intel core i9 12900ks vs intel core i7 12700h

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We compared two CPUs Intel Core i9 12900KS (Desktop) 16-cores against Intel Core i7 12700H (Laptop) 14-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 i7 12700H
Advantages of Intel Core i9 12900KS
  • Newer released 0 years later
  • Has 2 more physical cores
  • Has 6 MB larger L3 cache size
  • 11% higher Turbo Boost frequency (5.3 GHz vs 4.7 GHz)
  • Supports up to 128 GB DDR5-4800 RAM
  • Unlocked multiplier
Advantages of Intel Core i7 12700H
  • Consumes up to 70% less energy than the Intel Core i9 12900KS – 45 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 i7 12700h

General

Intel Core i9 12900KS Intel Core i7 12700H
Vendor Intel Intel
Released April 5 2022 January 4 2022
Type Desktop Laptop
instruction set x86-64 x86-64
Codename Alder Lake-S Alder Lake-H
Socket FCLGA1700 FCBGA1744
Integrated GPU Intel UHD Graphics 770 Intel® Iris® Xe Graphics eligible

Performance

Intel Core i9 12900KS Intel Core i7 12700H
Cores 16 14
Threads 24 20
Base Frequency 3.4 GHz 2.3 GHz
Turbo Boost Frequency 5.3 GHz 4.7 GHz
L1 Cache 80K (per core) 80K (per core)
L2 Cache 1.25 MB (per core) 1.25 MB (per core)
L3 Cache 30 MB (shared) 24 MB (shared)
Unlocked Multiplier Yes No

Power

Intel Core i9 12900KS Intel Core i7 12700H
Fabrication process Intel 7 nm Intel 7 nm
Power consumption (TDP) 150 W 45 W
Max. temperature 90°C 100°C

Memory support

Intel Core i9 12900KS Intel Core i7 12700H
Memory types DDR5-4800, DDR4-3200 DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Memory Size 128 GB 64 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 76.8 GB/s -
ECC Support Yes No

iGPU

Intel Core i9 12900KS Intel Core i7 12700H
Integrated Graphics Intel UHD Graphics 770 Intel® Iris® Xe Graphics eligible
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1.55 MHz 1.4 MHz
Shading Units 256 768
TMUs 16 48
ROPs 8 24
Execution Units 32 96
TGP 15 W 15 W
iGPU FLOPS
0.78 TFLOPS
1.69 TFLOPS

Misc

Intel Core i9 12900KS Intel Core i7 12700H
Official site Intel Core i9 12900KS official page Intel Core i7 12700H official page
PCI Express Version 4
PCI Express Lanes 20 28

Comments

So which CPU will you choose: Intel Core i7 12700H or Intel Core i9 12900KS?