intel core i7 8700k vs intel core i5 10400

VS

We compared two CPUs Intel Core i7 8700K (Desktop) 6-cores against Intel Core i5 10400 (Desktop) 6-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 8700K and Intel Core i5 10400
Advantages of Intel Core i7 8700K
  • 9% higher Turbo Boost frequency (4.7 GHz vs 4.3 GHz)
  • Unlocked multiplier
Advantages of Intel Core i5 10400
  • Newer released 3 years later
  • Consumes up to 32% less energy than the Intel Core i7 8700K – 65 vs 95 Watt

Benchmarks

Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
8864
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
13955
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
6667

Specifications

Full technical specification of core i7 8700k and core i5 10400

General

Intel Core i7 8700K Intel Core i5 10400
Vendor Intel Intel
Released January 5 2017 April 30 2020
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Coffee Lake-S Comet Lake
Socket FCLGA1151 FCLGA1200
Integrated GPU Intel UHD Graphics 630 Intel UHD Graphics 630

Performance

Intel Core i7 8700K Intel Core i5 10400
Cores 6 6
Threads 12 12
Base Frequency 3.7 GHz 2.9 GHz
Turbo Boost Frequency 4.7 GHz 4.3 GHz
L1 Cache 64K (per core) 64K (per core)
L2 Cache 256K (per core) 256K (per core)
L3 Cache 12288 KB 12 MB (shared)
Unlocked Multiplier Yes No

Power

Intel Core i7 8700K Intel Core i5 10400
Fabrication process 14 nm 14 nm
Power consumption (TDP) 95 W 65 W
Max. temperature 100°C 100°C

Memory support

Intel Core i7 8700K Intel Core i5 10400
Memory types DDR3, DDR4 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

iGPU

Intel Core i7 8700K Intel Core i5 10400
Integrated Graphics Intel UHD Graphics 630 Intel UHD Graphics 630
GPU Base Clock 350 MHz 350 MHz
GPU Boost Clock 1.2 MHz 1.1 MHz
Shading Units 192 192
TMUs 24 24
ROPs 3 3
TGP 15 W 15 W
iGPU FLOPS
0.38 TFLOPS
0.38 TFLOPS

Misc

Intel Core i7 8700K Intel Core i5 10400
Official site Intel Core i7 8700K official page Intel Core i5 10400 official page
PCI Express Version 3 3
PCI Express Lanes 16 16

Comments

So which CPU will you choose: Intel Core i5 10400 or Intel Core i7 8700K?