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Intel Core i5-6400 vs AMD Ryzen 7 5800XT

Last updated: 2026-07-04

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 2 - 50 %

Intel Core i5-6400

Rank 1 - 100 %

AMD Ryzen 7 5800XT

Multi-core performance

Rank 2 - 23 %

Intel Core i5-6400

Rank 1 - 100 %

AMD Ryzen 7 5800XT

Geekbench 6 Single-Core
Single-core performance

4C / 4T · 3.30 GHz

1,134

8C / 16T · 4.80 GHz

2,172

Geekbench 6 Multi-Core
Multi-core performance

4C / 4T · 3.00 GHz

3,086

8C / 16T · 4.40 GHz

10,940

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

4C / 4T · 3.30 GHz

841

8C / 16T · 4.80 GHz

1,745

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

4C / 4T · 3.00 GHz

2,706

8C / 16T · 4.40 GHz

11,465

More benchmarks

Cinebench 2026 (ST)
218 entries

Cinebench 2026 (MC)
219 entries

Cinebench 2024 (SC)
427 entries

Cinebench 2024 (MC)
422 entries

Cinebench R23 (MC)
665 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

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 i5-6400	AMD Ryzen 7 5800XT
Family	Intel Core i5 (336)	AMD Ryzen 7 (79)
CPU group	Intel Core i 6000 (24)	AMD Ryzen 5000 (17)
Architecture	Skylake S	Vermeer (Zen 3)
Technology	14 nm	7 nm
Segment	Desktop	Desktop
Socket	LGA 1151	AM4 (PGA 1331)
Predecessor		AMD Ryzen 7 3800XT
Successor	Intel Core i5-7400

CPU Cores and Base Frequency

Wischen	Intel Core i5-6400	AMD Ryzen 7 5800XT
CPU Cores / Threads	4 / 4	8 / 16
Hyperthreading / SMT	✗	✓
Core architecture	normal	normal
Cores:	4x	8x
Frequency:	2.70 GHz	3.80 GHz
Turbo (1 Core):	3.30 GHz	4.80 GHz
Turbo (All Cores):	3.00 GHz	4.40 GHz
L2-Cache		4.00 MB
L3-Cache	6.00 MB	32.00 MB
Overclocking	✗	✓

Integrated graphics (iGPU)

Wischen	Intel Core i5-6400	AMD Ryzen 7 5800XT
GPU name	Intel HD Graphics 530	no iGPU
GPU frequency	0.35 - 0.95 GHz
CUs / Shader	24 / 192	/
Raytracing	✗	✗
Max. displays	3
Max. GPU Memory	32 GB
Technology	14 nm
Release date	Q3/2015

NPU AI performance

Wischen	Intel Core i5-6400	AMD Ryzen 7 5800XT
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen	Intel Core i5-6400	AMD Ryzen 7 5800XT
Memory	DDR4-2133 (34.1 GB/s) DDR3-1600 (25.6 GB/s)	DDR4-3200 (51.2 GB/s)
Max. Memory	64 GB	128 GB
Memory channels	2	2
ECC	No	Yes
PCIe	3.0 x 16	4.0 x 20
PCIe Bandwidth	15.8 GB/s	39.4 GB/s

Thermal Management

Wischen	Intel Core i5-6400	AMD Ryzen 7 5800XT
TDP	65 W	105 W
TDP (PL2)
TDP up
TDP down
T. junction max.		90 °C

Technical details

Wischen	Intel Core i5-6400	AMD Ryzen 7 5800XT
Chip design	Monolithic	Chiplet
AES-NI	✓	✓
Operating systems	Windows 10, Linux	Windows 10, Windows 11, Linux
Instruction set	x86-64 (64 bit)	x86-64 (64 bit)
ISA extensions	SSE4.1, SSE4.2, AVX2	SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
Release date	Q3/2015	Q3/2024
Release price		249 $
Documents	Technical data sheet	Technical data sheet

User Reviews

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i5-6400 is 3.9 stars (33 ratings), while AMD Ryzen 7 5800XT has received 4.6 stars (97 ratings).

Click on the stars to rate one or both processors.

Intel Core i5-6400
4C / 4T · 2.70 - 3.30 GHz

★★★★★

AMD Ryzen 7 5800XT
8C / 16T · 3.80 - 4.80 GHz

★★★★★