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Intel Core i5-13400F vs Intel Core i5-8400

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 1 - 100 %

Intel Core i5-13400F

Rank 2 - 61 %

Intel Core i5-8400

Multi-core performance

Rank 1 - 100 %

Intel Core i5-13400F

Rank 2 - 41 %

Intel Core i5-8400

Cinebench 2026 Single-Thread
Single-core performance

10C / 16T · 4.60 GHz

428 pts

6C / 6T · 4.00 GHz

241 pts

Cinebench 2026 Multi-Core
Multi-core performance

10C / 16T · 4.60 GHz

3,720 pts

6C / 6T · 4.00 GHz

1,207 pts

Cinebench 2024 Single-Core
Single-core performance

10C / 16T · 4.60 GHz

106 pts

6C / 6T · 4.00 GHz

62 pts

Cinebench 2024 Multi-Core
Multi-core performance

10C / 16T · 4.60 GHz

845 pts

6C / 6T · 4.00 GHz

283 pts

Geekbench 6 Single-Core
Single-core performance

10C / 16T · 4.60 GHz

2,375

6C / 6T · 4.00 GHz

1,322

Geekbench 6 Multi-Core
Multi-core performance

10C / 16T · 3.90 GHz

9,712

6C / 6T · 3.80 GHz

4,814

Cinebench R20 Single-Core
Single-core performance

10C / 16T · 4.60 GHz

687 cb

6C / 6T · 4.00 GHz

411 cb

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

10C / 16T · 4.60 GHz

1,644

6C / 6T · 4.00 GHz

1,053

Cinebench R20 Multi-Core
Multi-core performance

10C / 16T · 3.90 GHz

6,055 cb

6C / 6T · 3.80 GHz

2,291 cb

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

10C / 16T · 3.90 GHz

10,309

6C / 6T · 3.80 GHz

4,608

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

10C / 16T · 4.60 GHz

674

6C / 6T · 4.00 GHz

450

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

10C / 16T · 2.50 GHz

6,282

6C / 6T · 2.80 GHz

2,482

Cinebench R15 (Single-Core)
Single-core performance

10C / 16T · 4.60 GHz

253 cb

6C / 6T · 4.00 GHz

163 cb

Cinebench R15 (Multi-Core)
Multi-core performance

10C / 16T · 3.90 GHz

2,336 cb

6C / 6T · 3.80 GHz

925 cb

More benchmarks

Cinebench 2026 (ST)
218 entries

Cinebench 2026 (MC)
219 entries

Cinebench 2024 (SC)
427 entries

Cinebench 2024 (MC)
422 entries

Cinebench R23 (SC)
690 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

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

CPU performance per watt (efficiency)
140 entries

Specifications

At a glance

Wischen	Intel Core i5-13400F	Intel Core i5-8400
Family	Intel Core i5 (336)	Intel Core i5 (336)
CPU group	Intel Core i 13000 (AL) (16)	Intel Core i 8000 (20)
Architecture	Alder Lake S Refresh	Coffee Lake S
Technology	10 nm	14 nm
Segment	Desktop	Desktop
Socket	LGA 1700	LGA 1151-2
Predecessor	Intel Core i5-12400F	Intel Core i5-7400
Successor	Intel Core i5-14400F	Intel Core i5-9400

CPU Cores and Base Frequency

Wischen	Intel Core i5-13400F	Intel Core i5-8400
CPU Cores / Threads	10 / 16	6 / 6
Hyperthreading / SMT	✓	✗
Core architecture	hybrid (big.LITTLE)	normal
Core Cluster 1:	6x Golden Cove 2.50 - 4.60 GHz	6x 2.80 - 4.00 GHz
Core Cluster 2:	4x Gracemont 1.80 - 3.30 GHz
L2-Cache	9.50 MB
L3-Cache	20.00 MB	9.00 MB
Overclocking	✗	✗

Integrated graphics (iGPU)

Wischen	Intel Core i5-13400F	Intel Core i5-8400
GPU name	no iGPU	Intel UHD Graphics 630
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 i5-13400F	Intel Core i5-8400
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen	Intel Core i5-13400F	Intel Core i5-8400
Memory	DDR5-4800 (76.8 GB/s) DDR4-3200 (51.2 GB/s)	DDR4-2666 (42.7 GB/s)
Max. Memory	128 GB	128 GB
Memory channels	2	2
ECC	Yes	No
PCIe	5.0 x 20	3.0 x 16
PCIe Bandwidth	78.8 GB/s	15.8 GB/s

Thermal Management

Wischen	Intel Core i5-13400F	Intel Core i5-8400
TDP	65 W	65 W
TDP (PL2)	148 W
TDP up
TDP down
T. junction max.	100 °C

Technical details

Wischen	Intel Core i5-13400F	Intel Core i5-8400
Chip design	Monolithic	Monolithic
AES-NI	✓	✓
Operating systems	Windows 10, Windows 11, Linux	Windows 10, Windows 11, Linux
Instruction set	x86-64 (64 bit)	x86-64 (64 bit)
ISA extensions	SSE4.1, SSE4.2, AVX2, AVX2+	SSE4.1, SSE4.2, AVX2
Release date	Q1/2023	Q4/2017
Release price	196 $	260 $
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 i5-13400F is 4.2 stars (133 ratings), while Intel Core i5-8400 has received 4.1 stars (77 ratings).

Click on the stars to rate one or both processors.

Intel Core i5-13400F
10C / 16T · 2.50 - 4.60 GHz

★★★★★

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

★★★★★