intel core i9 12900ks vs amd ryzen 9 6900hx

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We compared two CPUs Intel Core i9 12900KS (Desktop) 16-cores against AMD Ryzen 9 6900HX (Laptop) 8-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 12900KS and AMD Ryzen 9 6900HX
Advantages of Intel Core i9 12900KS
  • Newer released 0 years later
  • Has 8 more physical cores
  • Has 14 MB larger L3 cache size
  • 8% higher Turbo Boost frequency (5.3 GHz vs 4.9 GHz)
Advantages of AMD Ryzen 9 6900HX
  • Consumes up to 70% less energy than the Intel Core i9 12900KS – 45 vs 150 Watt
  • More modern manufacturing process – 6 versus 7

Benchmarks

Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
29230
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
45011
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
17902

Specifications

Full technical specification of core i9 12900ks and ryzen 9 6900hx

General

Intel Core i9 12900KS AMD Ryzen 9 6900HX
Vendor Intel AMD
Released April 5 2022 January 4 2022
Type Desktop Laptop
instruction set x86-64 x86-64
Codename Alder Lake-S Rembrandt H
Socket FCLGA1700 FP7
Integrated GPU Intel UHD Graphics 770 AMD Radeon 680M

Performance

Intel Core i9 12900KS AMD Ryzen 9 6900HX
Cores 16 8
Threads 24 16
Base Frequency 3.4 GHz 3.3 GHz
Turbo Boost Frequency 5.3 GHz 4.9 GHz
L1 Cache 80K (per core) 64K (per core)
L2 Cache 1.25 MB (per core) 512K (per core)
L3 Cache 30 MB (shared) 16 MB (shared)
Unlocked Multiplier Yes Yes

Power

Intel Core i9 12900KS AMD Ryzen 9 6900HX
Fabrication process Intel 7 nm 6 nm
Power consumption (TDP) 150 W 45 W
Max. temperature 90°C 95°C

Memory support

Intel Core i9 12900KS AMD Ryzen 9 6900HX
Memory types DDR5-4800, DDR4-3200 DDR5-4800
Memory Size 128 GB GB
Max. Memory Channels 2
Max. Memory Bandwidth 76.8 GB/s -
ECC Support Yes No

iGPU

Intel Core i9 12900KS AMD Ryzen 9 6900HX
Integrated Graphics Intel UHD Graphics 770 AMD Radeon 680M
GPU Base Clock 300 MHz 2000 MHz
GPU Boost Clock 1.55 MHz MHz
Shading Units 256 768
TMUs 16 48
ROPs 8 32
Execution Units 32
TGP 15 W 15 W
iGPU FLOPS
0.78 TFLOPS
3.686 TFLOPS

Misc

Intel Core i9 12900KS AMD Ryzen 9 6900HX
Official site Intel Core i9 12900KS official page AMD Ryzen 9 6900HX official page
PCI Express Version 4
PCI Express Lanes 20

Comments

So which CPU will you choose: AMD Ryzen 9 6900HX or Intel Core i9 12900KS?