intel core i7 12700k vs intel core i9 9900k

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We compared two CPUs Intel Core i7 12700K (Desktop) 12-cores against Intel Core i9 9900K (Desktop) 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 i7 12700K and Intel Core i9 9900K
Advantages of Intel Core i7 12700K
  • Newer released 3 years later
  • Has 4 more physical cores
  • Around 35.2 GB/s (46%) higher theoretical memory bandwidth
  • Has 9 MB larger L3 cache size
  • More modern manufacturing process – 7 versus 14
Advantages of Intel Core i9 9900K
  • Consumes up to 24% less energy than the Intel Core i7 12700K – 95 vs 125 Watt

Benchmarks

Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
1936
Cinebench R23 (Multi-Core)
23127
Passmark CPU (Single-Core)
4094
Passmark CPU (Multi-Core)
34441
Geekbench 5 (Single-Core)
2110
Geekbench 5 (Multi-Core)
15653

Specifications

Full technical specification of core i7 12700k and core i9 9900k

General

Intel Core i7 12700K Intel Core i9 9900K
Vendor Intel Intel
Released November 5 2021 October 8 2018
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Alder Lake-S Coffee Lake-R
Socket FCLGA1700 FCLGA1151
Integrated GPU Intel UHD Graphics 770 Intel UHD Graphics 630

Performance

Intel Core i7 12700K Intel Core i9 9900K
Cores 12 8
Threads 20 16
Base Frequency 3.6 GHz 3.6 GHz
Turbo Boost Frequency 5 GHz 5 GHz
L1 Cache 80K (per core) 64K (per core)
L2 Cache 1.25 MB (per core) 256K (per core)
L3 Cache 25 MB (shared) 16 MB (shared)
Unlocked Multiplier Yes Yes

Power

Intel Core i7 12700K Intel Core i9 9900K
Fabrication process Intel 7 nm 14 nm
Power consumption (TDP) 125 W 95 W
Max. temperature 100°C 100°C

Memory support

Intel Core i7 12700K Intel Core i9 9900K
Memory types DDR5, DDR4 DDR4
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 76.8 GB/s 41.6 GB/s
ECC Support Yes No

iGPU

Intel Core i7 12700K Intel Core i9 9900K
Integrated Graphics Intel UHD Graphics 770 Intel UHD Graphics 630
GPU Base Clock 300 MHz 350 MHz
GPU Boost Clock 1.5 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 i7 12700K Intel Core i9 9900K
Official site Intel Core i7 12700K official page Intel Core i9 9900K official page
PCI Express Version 3
PCI Express Lanes 20 16

Comments

So which CPU will you choose: Intel Core i9 9900K or Intel Core i7 12700K?