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Intel Core i5-8400 vs AMD FX-6300

Last updated: 2026-06-06

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 1 - 100 %

Intel Core i5-8400

Rank 2 - 47 %

AMD FX-6300

Multi-core performance

Rank 1 - 100 %

Intel Core i5-8400

Rank 2 - 40 %

AMD FX-6300

Geekbench 6 Single-Core
Single-core performance

6C / 6T · 4.00 GHz

1,322

6C / 6T · 4.10 GHz

534

Geekbench 6 Multi-Core
Multi-core performance

6C / 6T · 3.80 GHz

4,814

6C / 6T · 4.10 GHz

1,586

Cinebench R20 Single-Core
Single-core performance

6C / 6T · 4.00 GHz

411 cb

6C / 6T · 4.10 GHz

195 cb

Geekbench 5, 64bit Single-Core
Single-core performance

6C / 6T · 4.00 GHz

1,053

6C / 6T · 4.10 GHz

529

Cinebench R20 Multi-Core
Multi-core performance

6C / 6T · 3.80 GHz

2,291 cb

6C / 6T · 4.10 GHz

854 cb

Geekbench 5, 64bit Multi-Core
Multi-core performance

6C / 6T · 3.80 GHz

4,608

6C / 6T · 4.10 GHz

1,916

Blender 3.1 Benchmark
Multi-core performance

6C / 6T · 3.80 GHz

6C / 6T · 4.10 GHz

Blender 2.81 (bmw27)
Multi-core performance

6C / 6T · 3.80 GHz

400.9 s

6C / 6T · 4.10 GHz

1,407.7 s

CPU-Z Benchmark 17 Single-Core
Single-core performance

6C / 6T · 4.00 GHz

450

6C / 6T · 4.10 GHz

221

CPU-Z Benchmark 17 Multi-Core
Multi-core performance

6C / 6T · 2.80 GHz

2,482

6C / 6T · 3.50 GHz

1,003

Cinebench R15 (Single-Core)
Single-core performance

6C / 6T · 4.00 GHz

163 cb

6C / 6T · 4.10 GHz

94 cb

Cinebench R15 (Multi-Core)
Multi-core performance

6C / 6T · 3.80 GHz

925 cb

6C / 6T · 4.10 GHz

456 cb

More benchmarks

Cinebench 2026 (ST)
218 entries

Cinebench 2026 (MC)
219 entries

Cinebench 2024 (SC)
427 entries

Cinebench 2024 (MC)
422 entries

Geekbench 6 (SC)
1,989 entries

Geekbench 6 (MC)
1,927 entries

Cinebench R20 (SC)
666 entries

Geekbench 5 (SC)
2,512 entries

Cinebench R20 (MC)
615 entries

Geekbench 5 (MC)
2,483 entries

FP32 SP (iGPU)
2,219 entries

3DMark Timespy (iGPU)
534 entries

Blender 3.1 Benchmark
213 entries

PassMark CPU-Mark
2,504 entries

Blender 2.81 (bmw27)
190 entries

CPU-Z Benchmark 17 (SC)
250 entries

CPU-Z Benchmark 17 (MC)
751 entries

V-Ray CPU-Render
251 entries

Cinebench R15 (SC)
1,113 entries

Cinebench R15 (MC)
1,110 entries

Geekbench 3 (SC)
945 entries

Geekbench 3 (MC)
941 entries

Cinebench R11.5 (SC)
826 entries

Cinebench R11.5 (MC)
837 entries

Cinebench R11.5 iGPU
383 entries

Specifications

At a glance

Wischen	Intel Core i5-8400	AMD FX-6300
Family	Intel Core i5 (336)	AMD FX (30)
CPU group	Intel Core i 8000 (20)	AMD FX-6300 (2)
Architecture	Coffee Lake S	Vishera (Bulldozer)
Technology	14 nm	32 nm
Segment	Desktop	Desktop
Socket	LGA 1151-2	AM3+
Predecessor	Intel Core i5-7400
Successor	Intel Core i5-9400

CPU Cores and Base Frequency

Wischen	Intel Core i5-8400	AMD FX-6300
CPU Cores / Threads	6 / 6	6 / 6
Hyperthreading / SMT	✗	✗
Core architecture	normal	normal
Cores:	6x	6x
Frequency:	2.80 GHz	3.50 GHz
Turbo (1 Core):	4.00 GHz	4.10 GHz
Turbo (All Cores):	3.80 GHz	4.10 GHz
L2-Cache
L3-Cache	9.00 MB	8.00 MB
Overclocking	✗	✓

Integrated graphics (iGPU)

Wischen	Intel Core i5-8400	AMD FX-6300
GPU name	Intel UHD Graphics 630	no iGPU
GPU frequency	0.35 - 1.15 GHz
CUs / Shader	24 / 192	/
Raytracing	✗	✗
Max. displays	3
Max. GPU Memory	64 GB
Technology	14 nm
Release date	Q4/2017

NPU AI performance

Wischen	Intel Core i5-8400	AMD FX-6300
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen	Intel Core i5-8400	AMD FX-6300
Memory	DDR4-2666 (42.7 GB/s)	DDR3-1866 (29.9 GB/s)
Max. Memory	128 GB	32 GB
Memory channels	2	2
ECC	No	No
PCIe	3.0 x 16	3.0
PCIe Bandwidth	15.8 GB/s

Thermal Management

Wischen	Intel Core i5-8400	AMD FX-6300
TDP	65 W	95 W
TDP (PL2)
TDP up
TDP down
T. junction max.		71 °C

Technical details

Wischen	Intel Core i5-8400	AMD FX-6300
Chip design	Monolithic	Unknown
AES-NI	✓	✓
Operating systems	Windows 10, Windows 11, Linux	Windows 10, Linux
Instruction set	x86-64 (64 bit)	x86-64 (64 bit)
ISA extensions	SSE4.1, SSE4.2, AVX2	SSE4.1, SSE4.2, AVX, FMA3, FMA4
Release date	Q4/2017	Q4/2012
Release price	260 $	95 $
Documents	Technical data sheet

User Reviews

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i5-8400 is 4.1 stars (75 ratings), while AMD FX-6300 has received 4.2 stars (63 ratings).

Click on the stars to rate one or both processors.

Intel Core i5-8400
6C / 6T · 2.80 - 4.00 GHz

★★★★★

AMD FX-6300
6C / 6T · 3.50 - 4.10 GHz

★★★★★