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AMD
AMD Ryzen 9 9950X Tray
From £525
Intel
CORE I9-14900K 3.20GHZ SKTLGA1700 36.00MB CACHE BOXED
From £437
AMD
AMD Ryzen 7 7800X3D 8 x 4.2GHz Octa Core Processor (CPU) Tray Socket (PC): AM5 120W
From £318
Intel
Intel 24 Core i9 14900KF Raptor Lake Refresh CPU/Processor
From £396
Intel
Intel Core i7-13700K Desktop Processor 16 cores (8 P-cores + 8 E-cores) 30M Cache
From £440
AMD
AMD Ryzen 9 5950X Processor (16Cores/32Threads
From £329
Intel
Intel Core i7-14700F 20-core Desktop Processor - Up to 5.4 GHz
From £301
Intel
Intel Core i7-12700KF
From £254
Intel
Intel 20 Core i7 14700F Raptor Lake Refresh CPU/Processor
From £296
AMD
DiscontinuedAMD Ryzen 9 9950X3D
Reference - specs only
AMD
DiscontinuedAMD Ryzen Threadripper Pro 9995WX
Reference - specs only
AMD
DiscontinuedAMD Ryzen 7 9800X3D
Reference - specs only
AMD
DiscontinuedAMD Ryzen Threadripper Pro 7995WX
Reference - specs only
Intel
DiscontinuedIntel Core Ultra 9 285K
Reference - specs only
Intel
DiscontinuedIntel Core Ultra 7 265K
Reference - specs only
Intel
DiscontinuedIntel 20 Core i7 14700K Core i7 Raptor Lake Refresh CPU/Processor
Reference - specs only
CPUs guide
How to choose cpus
Desktop CPUs determine how fast a computer can compile code, render video, and run modern games. AMD and Intel both ship competitive product lines. The AMD Ryzen 9 9950X3D leads in 1080p gaming. The Intel Core Ultra 9 285K leads in lightly threaded productivity. Workstation buyers consider the AMD Ryzen Threadripper Pro family.
Core count and threading
Modern desktop CPUs ship with 6 to 16 cores. Each core runs one thread by default. Simultaneous Multi-Threading on AMD and Hyper-Threading on Intel double the thread count for parallel workloads. The AMD Ryzen 9 9950X has 16 cores and 32 threads. The Intel Core Ultra 9 285K has 24 cores and 24 threads.
Clock speed
Clock speed measures how many operations a core executes per second. Boost clock specifies the maximum sustainable frequency under load. The AMD Ryzen 9 9950X3D boosts to 5.7 GHz. The Intel Core Ultra 9 285K boosts to 5.7 GHz. Higher clocks raise per-core performance in lightly threaded software.
Cache
L3 cache reduces memory latency and feeds the cores with frequently used data. AMD 3D V-Cache stacks an extra L3 die on top of the CPU. The AMD Ryzen 9 9950X3D ships with 128 MB of L3 cache. Larger L3 cache improves frame rates in games that depend on memory access patterns.
Power and thermals
Thermal Design Power specifies the average heat output a cooler must dissipate. The AMD Ryzen 9 9950X3D has a 170 watt TDP. The Intel Core i9-14900K has a 125 watt base TDP and a 253 watt maximum turbo power. High-performance CPUs require liquid cooling or large air towers.
Platform and chipset
AMD Ryzen 9000 chips fit the AM5 socket and pair with X870E, X870, B850, and B650 chipsets. Intel Core Ultra 200S chips fit the LGA1851 socket and pair with the Z890 chipset. Platform support determines memory speed, PCIe generation, and USB capability.