Home > CPU Comparisons > Core i9 10900K or Core i7 8700: what's better?

Intel Core i9 10900K vs i7 8700

We compared two desktop CPUs: the 3.7 GHz Intel Core i9 10900K with 10-cores against the 3.2 GHz i7 8700 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 8700 and 10900K
Advantages of Intel Core i9 10900K
  • Newer - released 2-years and 7-months later
  • Unlocked multiplier
  • Has 4 more physical cores
  • Has 8 MB larger L3 cache size
  • 15% higher Turbo Boost frequency (5.3 GHz vs 4.6 GHz)
  • 19% faster in a single-core Geekbench v5 test - 1391 vs 1166 points
  • Around 4.2 GB/s (10%) higher theoretical memory bandwidth
Advantages of Intel Core i7 8700
  • Consumes up to 48% less energy than the Core i9 10900K – 65 vs 125 Watt

Benchmarks

Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
1415
Cinebench R23 (Multi-Core)
17997
Passmark CPU (Single-Core)
3131
Passmark CPU (Multi-Core)
23636
12905
Geekbench 5 (Single-Core)
1384
Geekbench 5 (Multi-Core)
11192

Specifications

Full technical specification of Intel Core i9 10900K and i7 8700

General

Vendor Intel Intel
Released May 1, 2020 October 5, 2017
Launch price 488 USD 303 USD
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Comet Lake Coffee Lake
Model number i9-10900K i7-8700
Socket BGA-1200 LGA-1151
Integrated GPU UHD Graphics 630 UHD Graphics 630

Performance

Cores 10 6
Threads 20 12
Base Frequency 3.7 GHz 3.2 GHz
Turbo Boost Frequency 5.3 GHz 4.6 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 37x 32x
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 20MB (shared) 12MB (shared)
Unlocked Multiplier Yes No

Power

Fabrication process 14 nm 14 nm
TDP 125 W 65 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 1000 MHz 1000 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 DDR4-2933 DDR4-2666
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 45.8 GB/s 41.6 GB/s
ECC Support No No

Misc

Official site Intel Core i9 10900K official page Intel Core i7 8700 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
6 (60%)
4 (40%)
Total votes: 10

Comments

So which CPU will you choose: Intel Core i7 8700 or i9 10900K?