intel core i9 12900ks vs intel core i9 10900k

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We compared two CPUs Intel Core i9 12900KS (Desktop) 16-cores against Intel Core i9 10900K (Desktop) 10-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 Intel Core i9 10900K
Advantages of Intel Core i9 12900KS
  • Newer released 2 years later
  • Has 6 more physical cores
  • Around 31.0 GB/s (40%) higher theoretical memory bandwidth
  • Has 10 MB larger L3 cache size
  • 2% higher Turbo Boost frequency (5.3 GHz vs 5.2 GHz)
  • More modern manufacturing process – 7 versus 14
Advantages of Intel Core i9 10900K
  • Consumes up to 17% less energy than the Intel Core i9 12900KS – 125 vs 150 Watt

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 core i9 10900k

General

Intel Core i9 12900KS Intel Core i9 10900K
Vendor Intel Intel
Released April 5 2022 May 20 2020
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Alder Lake-S Comet Lake-S
Socket FCLGA1700 FCLGA1200
Integrated GPU Intel UHD Graphics 770 Intel UHD Graphics 630

Performance

Intel Core i9 12900KS Intel Core i9 10900K
Cores 16 10
Threads 24 20
Base Frequency 3.4 GHz 3.7 GHz
Turbo Boost Frequency 5.3 GHz 5.2 GHz
L1 Cache 80K (per core) 64K (per core)
L2 Cache 1.25 MB (per core) 256K (per core)
L3 Cache 30 MB (shared) 20 MB (shared)
Unlocked Multiplier Yes Yes

Power

Intel Core i9 12900KS Intel Core i9 10900K
Fabrication process Intel 7 nm 14 nm
Power consumption (TDP) 150 W 125 W
Max. temperature 90°C 100°C

Memory support

Intel Core i9 12900KS Intel Core i9 10900K
Memory types DDR5-4800, DDR4-3200 DDR4-2933
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 76.8 GB/s 45.8 GB/s
ECC Support Yes No

iGPU

Intel Core i9 12900KS Intel Core i9 10900K
Integrated Graphics Intel UHD Graphics 770 Intel UHD Graphics 630
GPU Base Clock 300 MHz 350 MHz
GPU Boost Clock 1.55 MHz 1.2 MHz
Shading Units 256 192
TMUs 16 24
ROPs 8 3
Execution Units 32
TGP 15 W 15 W
iGPU FLOPS
0.78 TFLOPS
0.38 TFLOPS

Misc

Intel Core i9 12900KS Intel Core i9 10900K
Official site Intel Core i9 12900KS official page Intel Core i9 10900K official page
PCI Express Version 3
PCI Express Lanes 20 16

Comments

So which CPU will you choose: Intel Core i9 10900K or Intel Core i9 12900KS?