Intel Core i9 9900K vs i5 10600K

We compared two desktop CPUs: the 3.6 GHz Intel Core i9 9900K with 8-cores against the 4.1 GHz i5 10600K with 6-cores. On this page, you'll find out which processor has better performance in benchmarks, games 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
Power Efficiency
The efficiency score of electricity consumption
NanoReview Final Score
Generic CPU rating

Key Differences

What are the key differences between 10600K and 9900K
Advantages of Intel Core i9 9900K
  • Consumes up to 24% less energy than the Core i5 10600K – 95 vs 125 Watt
  • Has 2 more physical cores
  • Has 4 MB larger L3 cache size
  • 4% higher Turbo Boost frequency (5 GHz vs 4.8 GHz)
Advantages of Intel Core i5 10600K
  • Newer - released 1-year and 7-months later

Benchmarks

Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
12433
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
18569
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
8410
By purchasing through links on this site, we may receive a commission from Amazon. This does not affect our assessment methodology.

Specifications

Full technical specification of Intel Core i9 9900K and i5 10600K

General

Vendor Intel Intel
Released October 8, 2018 May 1, 2020
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Coffee Lake Comet Lake
Model number i9-9900K i5-10600K
Socket LGA-1151 LGA-1200
Integrated GPU UHD Graphics 630 UHD Graphics 630

Performance

Cores 8 6
Threads 16 12
Base Frequency 3.6 GHz 4.1 GHz
Turbo Boost Frequency 5 GHz 4.8 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 36x 41x
Bus Bandwidth 8 GT/s 8 GT/s
L1 Cache 64K (per core) 64K (per core)
L2 Cache 256K (per core) 256K (per core)
L3 Cache 16MB (shared) 12MB (shared)
Unlocked Multiplier Yes Yes

Power

Fabrication process 14 nm 14 nm
TDP 95 W 125 W
Max. temperature 100°C 100°C

iGPU

Integrated Graphics Intel UHD Graphics 630 Intel UHD Graphics 630
GPU Base Clock 350 MHz 350 MHz
GPU Boost Clock 1200 MHz 1200 MHz
Shading Units 192 192
TMUs 24 24
ROPs 3 3
Execution Units 24 24
TGP 15 W 15 W
Max. Resolution 4096x2304 - 60 Hz 4096x2304 - 60 Hz
iGPU FLOPS
0.38 TFLOPS
0.38 TFLOPS

Memory support

Memory types DDR4-2666 DDR4-2666
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 41.6 GB/s 41.6 GB/s
ECC Support No No

Misc

Official site Intel Core i9 9900K official page Intel Core i5 10600K official page
PCI Express Version 3.0 3.0
PCI Express Lanes 16 16
Extended instructions SSE4.1, SSE4.2, AVX-2 -

Cast your vote

Choose between two processors
153 (85%)
27 (15%)
Total votes: 180

Comments

So which CPU will you choose: Intel Core i5 10600K or i9 9900K?
Promotion