Best Gaming CPU Under £300 in 2026
Lennon Byatt
Finding the best gaming CPU under £300 has never been easier. Both AMD and Intel offer outstanding processors capable of delivering excellent frame rates in modern games without breaking the bank.
Whether you're building your first gaming PC or upgrading an older system, choosing the right processor can make a huge difference to gaming performance, especially when paired with a capable graphics card.
In this guide, we'll compare the best gaming CPUs under £300 in 2026 and help you choose the right processor for your budget.
1. AMD Ryzen 7 5700X3D – Best Value Gaming CPU
The Ryzen 7 5700X3D continues to be one of the best-value gaming processors available for AM4 users.
Specifications
- 8 Cores
- 16 Threads
- 96MB 3D V-Cache
- AM4 Platform
- DDR4 Memory
Why Buy It?
- Outstanding gaming performance
- Affordable upgrade for existing AM4 PCs
- Excellent 1080p and 1440p gaming
- Low platform upgrade cost
If you already own an AM4 motherboard, this is one of the smartest CPU upgrades available.
If you already own an AM4 motherboard, this is one of the smartest CPU upgrades available.
2. AMD Ryzen 5 9600X – Best New Platform Choice
For anyone building a brand-new gaming PC, the Ryzen 5 9600X is an excellent choice.
Benefits
- AM5 platform
- DDR5 support
- PCIe 5.0 compatibility
- Excellent single-core performance
- Future upgrade path
It performs exceptionally well in modern games while offering access to AMD's latest platform.
It's a great option for gamers who also stream or edit videos.
3. Intel Core i5-14600KF
Intel's Core i5-14600KF remains one of the strongest gaming processors in its price range.
Highlights include:
- 14 cores
- Excellent multitasking
- Strong productivity performance
- High gaming frame rates
It's a great option for gamers who also stream or edit videos.
Gaming Performance Comparison
| CPU | 1080p Gaming | 1440p Gaming | Best For |
|
Ryzen 7 5700X3D
|
★★★★★
|
★★★★★
|
AM4 upgrades
|
|
Ryzen 5 9600X
|
★★★★★
|
★★★★★
|
New builds
|
|
Intel Core i5-14600KF
|
★★★★★
|
★★★★☆
|
Gaming & productivity
|
At 1440p and above, differences between these processors become much smaller as the graphics card takes on more of the workload.
Can Your PC Keep Up?
A high refresh rate monitor is only worthwhile if your gaming PC can produce enough frames.
For example:
- A PC running 200 FPS on a 60Hz monitor will only display 60 frames each second.
- The same PC connected to a 144Hz monitor can display up to 144 frames each second, making gameplay noticeably smoother.
That's why it's important to pair your monitor with hardware capable of delivering high frame rates.
Which CPU Should You Buy?
Choose the Ryzen 7 5700X3D if:
- You already own an AM4 motherboard.
- You want the best gaming performance for your money.
- You don't want to replace your RAM or motherboard.
Choose the Ryzen 5 9600X if:
- You're building a completely new PC.
- You want DDR5 memory.
- You plan to upgrade your CPU again in the future.
Choose the Intel Core i5-14600KF if:
- You use your PC for gaming and productivity.
- You regularly stream or create content.
- You prefer Intel's platform.
Which CPU Should You Buy?
Best GPU Pairings
For the best gaming experience, consider pairing these processors with:
- Radeon RX 9060 XT
- Radeon RX 9070 XT
- NVIDIA RTX 5060 Ti
- NVIDIA RTX 5070
These combinations offer excellent performance at 1080p and 1440p while providing enough power for demanding modern games.
Best Sim Racing Setup for Beginners: Start With the Essentials
You don’t need a full cockpit immediately. A well‑chosen beginner setup helps you develop skills faster and keeps costs under control.
1. Steering Wheel and Pedals (Top Priority)
Your wheel and pedals are the most important part of any sim racing rig. Force feedback allows you to feel grip changes, kerbs, and steering resistance—crucial for learning car control.
Beginner tip: Focus on force feedback quality rather than raw power.
Your wheel and pedals are the most important part of any sim racing rig. Force feedback allows you to feel grip changes, kerbs, and steering resistance—crucial for learning car control.
Creators in attendance
Stacked lineup
Experience zones
Arcades · Sim rigs · PCs
Tech on display
Latest gen builds
Verdict
Showroom certified
Pick Your Tier
We've named each tier after a tournament stage, because let's be honest, that's exactly the kind of thing we'd do. Find your budget and dive in.
Group Stage
Round of 32
Quarter Final
World Cup Final
Should You Upgrade from a Ryzen 5?
If you're currently using:
- Ryzen 5 3600
- Ryzen 5 5600
- Ryzen 5 5500
Either X3D processor will provide a noticeable improvement in gaming performance, particularly in CPU-intensive titles.
Because both CPUs use the AM4 socket, upgrading is often as simple as updating your motherboard BIOS and installing the new processor.
Because both CPUs use the AM4 socket, upgrading is often as simple
Recommended Power Supply
When upgrading your graphics card, don't forget to check your power supply.
Recommended wattages:
|
GPU
|
Recommended PSU
|
|
RX 9060 XT
|
650W
|
|
RTX 5070
|
750W
|
|
RX 9070 XT
|
750W-850W
|
|
RTX 5080
|
850W
|
|
RTX 5090
|
1000W+
|
Choose a high-quality 80 Plus Gold certified power supply from a trusted manufacturer for the best stability.
The point is don't buy a £150 mouse expecting it to fix your aim. Buy it because the weight, shape, and quality will make long gaming sessions more comfortable.
AWD-IT stocks gaming mice from Razer, Corsair, and ASUS at a range of price points. If you're unsure where to start, a mid-range wireless mouse from any of these brands will give you everything you need for competitive gaming.
Signs your PC has genuinely run its race
When It IS Time for a Full Rebuild
Even Messi will retire eventually. And there are signs your PC has genuinely run its race:
• CPU is pre-2018 and DDR3 (no DDR5 upgrade path available)
• Motherboard doesn't support PCIe 4.0 — you're bottlenecking modern GPUs
• Power supply is under 500W — can't safely run anything modern
• Multiple components failing, temperatures consistently hitting 90°C+
If you're ticking more than two of those boxes, a fresh AWD-IT pre-built is often better value than stacking upgrades onto a dead-end platform. You get a warranty, a coherent spec, and you know everything works together from day one.
Frequently Asked Questions
Is a CPU under £300 good enough for gaming?
Yes. Many processors under £300 deliver excellent gaming performance, especially when paired with a capable graphics card.
Should I choose AM4 or AM5?
If you already own an AM4 system, upgrading your CPU is usually the most cost-effective option. If you're building from scratch, AM5 provides a better long-term upgrade path.
Does gaming performance depend more on the CPU or GPU?
At 1080p, the CPU plays a larger role in achieving high frame rates. At 1440p and 4K, the graphics card becomes increasingly important.
Final Verdict
There are several fantastic gaming CPUs available for under £300 in 2026.
For existing AM4 users, the Ryzen 7 5700X3D offers incredible value and remains one of the best gaming upgrades on the market.
If you're building a brand-new PC, the Ryzen 5 9600X delivers excellent performance with the added benefit of AMD's latest AM5 platform.
Whichever processor you choose, pairing it with a modern graphics card and fast storage will ensure an outstanding gaming experience for years to come.
