intel core i9 12900kf vs amd ryzen 9 5900x

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We compared two CPUs Intel Core i9 12900KF (Desktop) 16-cores against AMD Ryzen 9 5900X (Desktop) 12-cores. In this comparison page, we check which of these two processor has better performance in benchmark results, Games, architecture, price and other useful information.

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Performance
Measure performance when all cores are involved

Key Differences

What are the key differences between Intel Core i9 12900KF and AMD Ryzen 9 5900X
Advantages of Intel Core i9 12900KF
  • Newer released 1 years later
  • Has 4 more physical cores
  • Around 25.6 GB/s (33%) higher theoretical memory bandwidth
  • 8% higher Turbo Boost frequency (5.2 GHz vs 4.8 GHz)
Advantages of AMD Ryzen 9 5900X
  • Consumes up to 16% less energy than the Intel Core i9 12900KF – 105 vs 125 Watt
  • Has 34 MB larger L3 cache size

Benchmarks

Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
27409
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
41320
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
17530

Specifications

Full technical specification of core i9 12900kf and ryzen 9 5900x

General

Intel Core i9 12900KF AMD Ryzen 9 5900X
Vendor Intel AMD
Released October 27 2021 October 8 2020
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Alder Lake, Golden Cove, Gracemont Vermeer
Socket FCLGA1700 AM4
Integrated GPU -

Performance

Intel Core i9 12900KF AMD Ryzen 9 5900X
Cores 16 12
Threads 24 24
Base Frequency 3.2 GHz 3.7 GHz
Turbo Boost Frequency 5.2 GHz 4.8 GHz
L1 Cache 80K (per core) 64K (per core)
L2 Cache 1.25 MB (per core) 512K (per core)
L3 Cache 30 MB (shared) 64 MB
Unlocked Multiplier Yes Yes

Power

Intel Core i9 12900KF AMD Ryzen 9 5900X
Fabrication process Intel 7 nm 7 nm
Power consumption (TDP) 125 W 105 W
Max. temperature 100°C °C

Memory support

Intel Core i9 12900KF AMD Ryzen 9 5900X
Memory types DDR5-4800, DDR4-3200 DDR4-3200
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 76.8 GB/s 51.196 GB/s
ECC Support No No

iGPU

Intel Core i9 12900KF AMD Ryzen 9 5900X
Integrated Graphics -

Misc

Intel Core i9 12900KF AMD Ryzen 9 5900X
Official site Intel Core i9 12900KF official page AMD Ryzen 9 5900X official page
PCI Express Version 4
PCI Express Lanes 20

Comments

So which CPU will you choose: AMD Ryzen 9 5900X or Intel Core i9 12900KF?