Cache Beats Cores: Why the Best Gaming CPU in 2026 Is Still a Ryzen X3D Like the 7800X3D
Buy a Ryzen 7 X3D. The Ryzen 7 9850X3D is the fastest gaming CPU you can buy in 2026. The Ryzen 7 7800X3D is still good: in TechSpot’s CPU-limited tests the 9850X3D was 15% faster, and the 7800X3D still finished ahead of Intel’s fastest chips.
Your build, your processor:
- Fastest for gamesRyzen 7 9850X3D. Why
- Is the 7800X3D still good?Yes. The numbers
- Budget X3DRyzen 5 7500X3D. Why
- Tight budget, cooler in the boxRyzen 5 7600. Why
- Gaming plus heavy workRyzen 9 9950X3D. Why
- Team IntelCore Ultra 7 270K Plus. Why
- Playing at 4KSpend on the graphics card. Why
Why cache beats cores in games, and the two mistakes that waste the most money: below.
The best gaming CPUs for 2026, side by side
Six processors, one line each. The cache column is the one that matters most for games.
| Pick | Cores / threads | L3 cache | Max boost | Socket |
|---|---|---|---|---|
| Fastest: Ryzen 7 9850X3D | 8 / 16 | 96MB, 3D V-Cache | 5.6GHz | AM5 |
| Still good: Ryzen 7 7800X3D | 8 / 16 | 96MB, 3D V-Cache | 5.0GHz | AM5 |
| Budget X3D: Ryzen 5 7500X3D | 6 / 12 | 96MB, 3D V-Cache | 4.5GHz | AM5 |
| Budget: Ryzen 5 7600 | 6 / 12 | 32MB | 5.1GHz | AM5 |
| Gaming and work: Ryzen 9 9950X3D | 16 / 32 | 128MB, 3D V-Cache | 5.7GHz | AM5 |
| Intel: Core Ultra 7 270K Plus | 24 (8P + 16E) / 24 | 36MB | 5.5GHz | LGA1851 |
Of the AMD chips, only the Ryzen 5 7600 has a cooler in the box.
Best gaming CPU in 2026: AMD Ryzen 7 9850X3D
The fastest gaming processor you can buy: 15% ahead of the 7800X3D in CPU-limited tests.
- Cores8 cores, 16 threads
- Cache96MB L3, 3D V-Cache
- BoostUp to 5.6GHz
- PlatformAM5, DDR5
- CoolerNot included
AMD Ryzen 7 9850X3D (AM5)
In stock
£477.35- AMD Ryzen 7 9850X3D processor with 8 cores and 16 threads
- Boost frequency up to 5.6 GHz with 4.7 GHz base clock
- 96 MB L3 cache powered by AMD 3D V-Cache technology
- AM5 platform support with DDR5 dual-channel memory
- AI Ready with built-in AMD Radeon Graphics
- Compatible with AMD B650, X670, X870 and A620 chipsets
- 120 W TDP with Zen 5 architecture on 4 nm process
- Good for: high refresh rate gaming at 1080p or 1440p with a fast graphics card
- Good for: competitive shooters, strategy and simulation games, which lean hardest on the processor
- Skip it if: you play at 4K: the graphics card sets your frame rate there
- Skip it if: you render or compile for hours: see the 9950X3D
The 9850X3D is an 8-core Zen 5 chip with 96MB of L3 cache and a 5.6GHz boost. Across TechSpot’s 14 games it was 5% faster than the Ryzen 7 9800X3D, its 5.2GHz twin, shrinking to about 3% at Ultra settings, and it drew about 27% more power, 162W against 128W. TechSpot’s advice: if you were already considering the 9800X3D, choose the 9850X3D.
AMD Ryzen 7 9800X3D Processor 8 Cores Socket AM5 5.2 GHz Boost 104 MB Cache Box
In stock
£477.24- AMD Ryzen 9000 Series 8-core desktop processor
- 5.2 GHz boost frequency with 104 MB cache
- Socket AM5 interface supporting DDR5 memory up to 192 GB
- PCI Express 5.0 connectivity with 28 lanes
- On-board AMD Radeon Graphics at 2200 MHz base
- Windows 11 and Linux operating system compatibility
- 120 W TDP without included cooler
Is the Ryzen 7 7800X3D still good in 2026? Yes
It is still one of the fastest gaming CPUs, with the same 96MB of 3D V-Cache, and it still finished ahead of Intel’s fastest chips.
- Cores8 cores, 16 threads
- Cache96MB L3, 3D V-Cache
- BoostUp to 5.0GHz
- PlatformAM5, DDR5
- CoolerNot included
AMD Ryzen 7 7800X3D (AM5)
In stock
£407.41- AMD Ryzen 7 7800X3D processor with 8 cores and 16 threads
- Base frequency 4.2 GHz boosting to 5.0 GHz
- AMD Zen 4 architecture with 104 MB 3D V-Cache
- AM5 socket support for DDR5 Dual Channel memory
- Integrated AMD Radeon Graphics at 2200 MHz
- Compatible with AMD B650, X670 and X870 chipsets
Here is where it sits, from TechSpot’s 14-game tests at 1080p with an RTX 5090:
- The 9850X3D was 15% faster than the 7800X3D at Medium settings (January 2026).
- The 9800X3D was 8 to 10% faster (April 2026).
- Good for: a gaming PC you will keep for years: AMD says it will support AM5 through 2029
- Good for: anyone who wants X3D speed and finds it clearly cheaper than the 9850X3D
- Skip it if: you already own one: a 9850X3D adds about 15% at 1080p and less at higher resolutions
Which to buy? Compare the prices on the cards. The 9850X3D was 15% faster in CPU-limited games, so if it costs less than 15% more, buy it. If the gap is bigger, the 7800X3D is the better value.
Best budget X3D: AMD Ryzen 5 7500X3D
Six cores with the full 96MB of 3D V-Cache, 7% behind the 7800X3D at Ultra settings.
- Cores6 cores, 12 threads
- Cache96MB L3, 3D V-Cache
- BoostUp to 4.5GHz
- PlatformAM5, DDR5
- Power65W TDP
AMD Ryzen 5 7500X3D
In stock
£282.28- AMD Ryzen 5 7500X3D processor with 6 cores and 12 threads
- Base frequency 4 GHz, turbo boost up to 4.5 GHz
- AMD 3D V-Cache technology with 96 MB L3 cache
- AMD AM5 socket with DDR5 Dual Channel memory support
- Compatible with AMD B650, X670, X870 and other AM5 chipsets
- 65 W TDP, 5 nm Zen 4 architecture, no integrated graphics
- Good for: a 1080p or 1440p gaming PC on a budget
- Good for: getting 3D V-Cache on AM5 without paying for eight cores
- Skip it if: you stream or edit while you play: six cores fill up
- Skip it if: you want the very fastest: the 8-core X3D chips are quicker
The 7500X3D has the same 96MB of L3 cache as the 7800X3D, six cores and a 4.5GHz boost. It was 7% slower than the 7800X3D at Ultra settings. There is no cooler in the box, so budget for one.
Best budget gaming CPU: AMD Ryzen 5 7600
Six Zen 4 cores, a cooler in the box and built-in graphics: everything a budget AM5 gaming PC needs.
- Cores6 cores, 12 threads
- Cache32MB L3
- BoostUp to 5.1GHz
- CoolerAMD Wraith Stealth, in the box
- GraphicsAMD Radeon, built in
AMD Ryzen 5 7600 (3.8 GHz / 5.1 GHz)
In stock
£197.05- AMD Ryzen 5 7600 Wraith Stealth processor with 6 cores and 12 threads
- Base frequency 3.8 GHz boosting to 5.1 GHz via Turbo Core
- AMD Zen 4 architecture built on a 5 nm process
- 32 MB L3 cache and 6 MB L2 cache for fast data access
- Compatible with AMD AM5 motherboards including B650, X670 and A620 chipsets
- Integrated AMD Radeon Graphics with a 2200 MHz chipset frequency
- Supports DDR5 Dual Channel memory up to 5200 MHz
- Good for: 1080p gaming with a mid-range card such as an RTX 5060
- Good for: a first AM5 PC that you upgrade to an X3D chip later, on the same board
- Skip it if: you want high frame rates with a fast graphics card: the X3D chips above are much quicker
The Ryzen 5 7600 comes with AMD’s Wraith Stealth cooler, so there is nothing else to buy, and its built-in Radeon graphics will run a desktop while you wait for a graphics card. Because it uses AM5, you can drop in an X3D chip later without changing the board.
Best CPU for gaming and heavy work: AMD Ryzen 9 9950X3D
Sixteen cores for rendering and compiling, with 3D V-Cache for games, on the same AM5 board.
- Cores16 cores, 32 threads
- Cache128MB L3, 3D V-Cache
- BoostUp to 5.7GHz
- PlatformAM5, DDR5
- Power170W TDP, cooler not included
AMD Ryzen 9 9950X3D 4.3 GHz 144 MB Tray
In stock
£699.52- 16-core AMD Ryzen 9 9950X3D processor
- Base frequency 4.3 GHz, boost up to 5.7 GHz
- 144 MB combined L2 & L3 cache
- Socket AM5, 4 nm lithography, 170 W TDP
- Supports DDR5-SDRAM, up to 192 GB RAM
- Good for: video editing, 3D rendering, compiling or streaming on the same PC you game on
- Skip it if: you only play games: an 8-core X3D chip is as fast or faster in games
- Skip it if: you want to keep cooling simple: AMD recommends a liquid cooler
The 9950X3D has 16 cores, 128MB of L3 cache and a 5.7GHz boost, so you do not have to choose between a gaming chip and a work chip. For the very top, AMD’s Ryzen 9 9950X3D2 Dual Edition puts 3D V-Cache on both halves of the chip: 192MB of L3 at a 200W TDP. TechSpot names it the pick for the fastest productivity performance on a mainstream desktop.
AMD Ryzen 9 9950X3D2 Dual Edition Processor 4.3 GHz 192 MB L3
In stock
£912.32- AMD Ryzen™ 9 9000 Series processor with 16 cores and 32 threads
- Base clock of 4.3 GHz, boosting up to 5.6 GHz
- Massive 192 MB L3 cache for enhanced performance
- Integrated AMD Radeon Graphics with a base frequency of 2200 MHz
- Compatible with Socket AM5 motherboards and DDR5-SDRAM up to 256 GB
- PCI Express 5.0 support with 28 lanes
- Designed for desktop PCs, supporting Windows 10/11 x64, RHEL, and Ubuntu
Best Intel CPU for gaming: Core Ultra 7 270K Plus
The Intel chip to buy in 2026: 24 cores for work, and close enough in games for most players.
- Cores24 (8P + 16E), 24 threads
- Cache36MB Smart Cache
- BoostUp to 5.5GHz
- PlatformLGA1851, DDR5 up to 7200
- Power125W base, 250W max turbo
Intel Core Ultra 7 270K Plus Box
In stock
£353.78- Intel Core Ultra 7 270K Plus processor from the Arrow Lake (Series 2) generation
- 24 cores (8 Performance, 16 Efficient) with 24 threads and 36 MB Smart Cache
- Boost frequency up to 5.5 GHz with 125 W base and 250 W max turbo power
- FCLGA1851 socket with support for up to 256 GB dual-channel DDR5 memory (ECC compatible)
- Integrated Intel Graphics supporting 4 displays with max 7680 x 4320 resolution
- AI acceleration via Intel AI Boost NPU (up to 36 TOPs total) with Windows Studio effects
- Boxed package with PCG 2020A thermal solution; check motherboard BIOS for Q1’26 launch compatibility
- Good for: gaming plus streaming, editing or compiling on one PC
- Good for: Intel fans who want strong multi-core performance
- Skip it if: you only play games with a fast graphics card: X3D chips are quicker
- Skip it if: you want a long upgrade path: LGA1851 is a dead end
The 270K Plus is within 2 to 5% of a 16-core Ryzen 9 in core-heavy work. The “Plus” chips fixed the internal latency that held back the first Core Ultra processors in games. AMD still leads: in CPU-limited tests the 7800X3D was 13% faster and the 9800X3D 24% faster. On a smaller budget, the Core Ultra 5 250K Plus has 18 cores, and TechSpot named it its best mainstream CPU in May 2026.
Intel Core Ultra 5 250K Processor Box
In stock
Original price was: £271.19.£257.14Current price is: £257.14.- Intel Core Ultra 5 250K Plus processor (Series 2, Arrow Lake codename)
- 18 cores and 18 threads (6 Performance-cores, 12 Efficient-cores)
- Boost frequency up to 5.3 GHz with 30 MB Smart Cache
- DDR5-SDRAM support up to 256 GB with dual-channel and ECC
- Intel AI Boost NPU delivering up to 30 TOPs total performance
- Box package with LGA 1851 socket and PCIe 5.0 support
Why the best gaming CPU in 2026 uses 3D V-Cache
Games love cache. A processor’s L3 cache is a small pool of very fast memory next to the cores. When the data a game needs is already there, the cores never wait for slower system memory. AMD’s X3D chips stack extra cache on the chip, which is why the 7800X3D has 96MB of L3 against 32MB on a Ryzen 5 7600.
That bigger pool is why X3D chips win so many gaming tests despite modest clock speeds. The gains are biggest where the processor does the most work: 1080p and 1440p with a strong graphics card, strategy and simulation games, and busy online games.
How much CPU you actually need
More cores do not mean more frames. Most games lean on a handful of fast cores, so six to eight strong cores is the right balance for gaming in 2026. Extra cores help when you stream, edit video or run heavy work in the background.
| What you do | Cores that make sense | Pick on this page |
|---|---|---|
| 1080p and 1440p gaming | 6 to 8 | Ryzen 5 7500X3D, Ryzen 7 7800X3D |
| High refresh rate competitive gaming | 8, with 3D V-Cache | Ryzen 7 9850X3D |
| Gaming plus streaming, editing or rendering | 16 or more | Ryzen 9 9950X3D, Core Ultra 7 270K Plus |
Does a faster CPU matter at 4K?
Much less. At 4K the graphics card sets the frame rate. With 4K and high settings, every platform HotHardware tested landed within a couple of frames per second, and the 9850X3D’s lead over the 9800X3D shrank from 5% to about 3% once Ultra settings loaded the RTX 5090. If you play at 4K, a Ryzen 7 X3D is plenty: put the rest into the graphics card. Our graphics card guide shows how much card each resolution needs.
AMD or Intel for gaming?
For pure gaming in 2026, AMD’s X3D chips hold the lead, and AM5 gives you an upgrade path: AMD said on 31 May 2026 that it will support the socket through 2029. Intel’s 270K Plus is strong for mixed work and gaming, but its LGA1851 socket is a dead end, and Intel’s next desktop chips, Nova Lake, are expected to need a new socket. If frames per pound is the goal, AMD is the simpler answer. Our AMD vs Intel guide goes deeper.
What RAM, cooler and power supply to pair with a gaming CPU
A gaming CPU only shines with the right parts around it.
- Memory: 32GB of DDR5-6000 is the usual pairing on AM5. AMD says its second-generation 3D V-Cache chips lose only about 1% on slower DDR5-4800 across more than 30 games, so do not overspend on memory. Our RAM guide for Ryzen X3D has the details.
- Cooler: none of the X3D chips comes with one, and AMD’s spec pages recommend a liquid cooler for the best results. See the best CPU cooler guide, and why high temperatures under load are by design.
- Power supply: size it to your graphics card. Our power supply guide covers wattage and ATX 3.1.
Do not overpay, and do not bottleneck
Two mistakes cost gamers money. The first is buying a 16-core chip for a PC that only plays games, where most of those cores sit idle. The second is the opposite: a weak processor with a powerful graphics card at 1080p, where the CPU cannot feed frames fast enough and your expensive card coasts. Aim for balance. Will a Ryzen 5 bottleneck a GPU? A Ryzen 5 7600 is fine with a mid-range card; with a top card at 1080p, the X3D chips pull far ahead.
Before you build: AM5 notes worth knowing
- DDR5 only. AM5 boards do not take DDR4, so budget for a DDR5 kit and check the board’s memory list.
- No cooler with the X3D chips. Of the AMD chips here, only the Ryzen 5 7600 includes one.
- Turn on EXPO. New memory runs at a slow default speed until you enable its EXPO profile in the BIOS. If your PC starts shutting down afterwards, read XMP vs EXPO on AMD.
- Update the BIOS for new chips. A board built before your processor came out may need a BIOS update. Boards with a BIOS FlashBack or Q-Flash Plus button can do it with no processor fitted. See our best AM5 motherboard guide.
Gaming CPU questions
Yes. The 9850X3D is only 15% faster in CPU-limited games, and the 7800X3D still finished ahead of Intel’s fastest chips. It uses AM5, which AMD will support through 2029. Compare the prices on the cards: if the 9850X3D costs less than 15% more, buy that instead.
Only if the price gap is small. It is 4 to 5% faster on average, for more power. If you were already considering the 9800X3D, choose the 9850X3D. If you already own a 9800X3D, a 4 to 5% gain is not worth switching.
Much less than at 1080p. At 4K the graphics card sets your frame rate, and HotHardware found every platform it tested within a couple of frames per second. Spend the savings on a better graphics card.
32GB of DDR5-6000 is the usual pairing on AM5. AMD says its second-generation X3D chips lose only about 1% on DDR5-4800, so a fast, expensive kit buys little in games. Our RAM guide covers the details.
They need a cooler, because none comes in the box, and AMD’s spec pages recommend a liquid cooler for the best results. A good 240mm liquid cooler or a strong air tower are the usual choices; our CPU cooler guide compares them.
At 1080p with a top-tier card it can, because the processor works hardest at low resolutions. At 1440p and 4K the graphics card does more of the work, and a Ryzen 5 holds up well. The Ryzen 5 7500X3D adds the gaming cache if you want both.
Not if you need a PC now. No major new architecture is expected from either company before late 2026 at the earliest, and Intel’s Nova Lake is expected to need a new socket. AMD has committed to supporting AM5 through 2029.
Browse processors
AMD processors first, cheapest first, then Intel.
AMD Ryzen 5 4500 Processor 6 Cores 12 Threads Socket AM4 4.1 GHz Boost Desktop Box
In stock
AMD Ryzen 5 5500 (3.6 GHz, 4.2 GHz)
In stock
AMD Ryzen 5 5500F Processor 6 Cores 12 Threads Socket AM4 4.4 GHz Box with Cooler
In stock
AMD Ryzen 5 5600 3.5 GHz Processor
In stock
AMD Ryzen 5 7400 Processor 3.3GHz 16MB L3 Tray
In stock
AMD Ryzen 5 7400 4.30GHz 6-Core
In stock
Intel Pentium Gold G6405 Processor 4.1 GHz 4 MB Cache
In stock
Intel Core i3-12100 3.3GHz (LGA1700)
In stock
Intel Core i3-14100 (up to 4.7 GHz)
In stock
Intel Core i5-12400F 2.5 GHz LGA1700
In stock
Intel Core i5-14400F (up to 4.7 GHz)
In stock
Intel Core i5-12400 2.5GHz (LGA1700)
In stock
Sources
- Ryzen 7 9850X3D, AMD. 8 cores, 96MB L3, up to 5.6GHz, 120W, no cooler, launched 29 January 2026; boxed 100-100001973WOF.
- Ryzen 7 9800X3D, AMD, Ryzen 7 7800X3D, Ryzen 5 7500X3D and Ryzen 5 7600. Cores, cache, boost, TDP, cooler and product IDs.
- Ryzen 9 9950X3D, AMD and Ryzen 9 9950X3D2 Dual Edition. 16 cores; 128MB and 192MB L3; 170W and 200W.
- Core Ultra 7 270K Plus, Intel, Core Ultra 5 250K Plus. Cores, cache, boost, power and graphics.
- AMD Ryzen 7 9850X3D review, TechSpot, 28 January 2026. 5% faster than the 9800X3D and 15% faster than the 7800X3D at Medium settings, and well ahead of Intel’s Core i9-14900K and Core Ultra 9 285K; 162W vs 128W average power.
- We tested every Ryzen 5 and 7 X3D CPU, TechSpot, 13 April 2026. 9800X3D 8-10% faster than the 7800X3D.
- Ryzen 5 7500X3D review, TechSpot, 5 January 2026. 7% slower than the 7800X3D at Ultra settings.
- The best CPUs, mid-2026 update, TechSpot, 5 May 2026. 270K Plus within 2-5% of the 16-core Ryzen 9 9950X in multi-core work; 7800X3D 13% and 9800X3D 24% faster in CPU-limited gaming; 250K Plus best mainstream CPU; 9950X3D2 for productivity; LGA1851 a dead end; Nova Lake expected to need a new socket.
- Ryzen 7 9850X3D review, HotHardware. At 4K, all platforms within a couple of frames per second.
- AMD Computex 2026: AM5 support through 2029, AMD, 31 May 2026.
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