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Intel Core i5-8400 vs Intel Core i7-12700H

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 - 63 %

Intel Core i5-8400

Rank 1 - 100 %

Intel Core i7-12700H

Multi-core performance

Rank 2 - 36 %

Intel Core i5-8400

Rank 1 - 100 %

Intel Core i7-12700H

Cinebench 2026 Single-Thread
Single-core performance

6C / 6T · 4.00 GHz

241 pts

14C / 20T · 4.70 GHz

421 pts

Cinebench 2026 Multi-Core
Multi-core performance

6C / 6T · 4.00 GHz

1,207 pts

14C / 20T · 4.70 GHz

2,945 pts

Cinebench 2024 Single-Core
Single-core performance

6C / 6T · 4.00 GHz

62 pts

14C / 20T · 4.70 GHz

95 pts

Cinebench 2024 Multi-Core
Multi-core performance

6C / 6T · 4.00 GHz

283 pts

14C / 20T · 4.70 GHz

949 pts

Geekbench 6 Single-Core
Single-core performance

6C / 6T · 4.00 GHz

1,322

14C / 20T · 4.70 GHz

2,280

Geekbench 6 Multi-Core
Multi-core performance

6C / 6T · 3.80 GHz

4,814

14C / 20T · 3.80 GHz

11,424

Cinebench R20 Single-Core
Single-core performance

6C / 6T · 4.00 GHz

411 cb

14C / 20T · 4.70 GHz

694 cb

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

6C / 6T · 4.00 GHz

1,053

14C / 20T · 4.70 GHz

1,607

Cinebench R20 Multi-Core
Multi-core performance

6C / 6T · 3.80 GHz

2,291 cb

14C / 20T · 3.80 GHz

7,170 cb

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

6C / 6T · 3.80 GHz

4,608

14C / 20T · 3.80 GHz

12,103

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel UHD Graphics 630

442

Intel Iris Xe Graphics 96 (Alder Lake)

2,146

Blender 3.1 Benchmark
Multi-core performance

6C / 6T · 3.80 GHz

14C / 20T · 3.80 GHz

131

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 i5-8400	Intel Core i7-12700H
Family	Intel Core i5 (336)	Intel Core i7 (300)
CPU group	Intel Core i 8000 (20)	Intel Core i 12000H (23)
Architecture	Coffee Lake S	Alder Lake H
Technology	14 nm	10 nm
Segment	Desktop	Notebook
Socket	LGA 1151-2	BGA 1744
Predecessor	Intel Core i5-7400
Successor	Intel Core i5-9400	Intel Core i7-13700H

CPU Cores and Base Frequency

Wischen	Intel Core i5-8400	Intel Core i7-12700H
CPU Cores / Threads	6 / 6	14 / 20
Hyperthreading / SMT	✗	✓
Core architecture	normal	hybrid (big.LITTLE)
Core Cluster 1:	6x 2.80 - 4.00 GHz	6x Golden Cove 2.30 - 4.70 GHz
Core Cluster 2:		8x Gracemont 1.70 - 3.50 GHz
L2-Cache		11.50 MB
L3-Cache	9.00 MB	24.00 MB
Overclocking	✗	✗

Integrated graphics (iGPU)

Wischen	Intel Core i5-8400	Intel Core i7-12700H
GPU name	Intel UHD Graphics 630	Intel Iris Xe Graphics 96 (Alder Lake)
GPU frequency	0.35 - 1.15 GHz	0.40 - 1.40 GHz
CUs / Shader	24 / 192	96 / 768
Raytracing	✗	✗
Max. displays	3	4
Max. GPU Memory	64 GB	32 GB
Technology	14 nm	10 nm
Release date	Q4/2017	Q1/2022

NPU AI performance

Wischen	Intel Core i5-8400	Intel Core i7-12700H
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen	Intel Core i5-8400	Intel Core i7-12700H
Memory	DDR4-2666 (42.7 GB/s)	LPDDR5-5200 (83.2 GB/s) DDR5-4800 (76.8 GB/s) LPDDR4X-4266 (68.2 GB/s) DDR4-3200 (51.2 GB/s)
Max. Memory	128 GB	64 GB
Memory channels	2	2
ECC	No	No
PCIe	3.0 x 16	4.0 x 20
PCIe Bandwidth	15.8 GB/s	39.4 GB/s

Thermal Management

Wischen	Intel Core i5-8400	Intel Core i7-12700H
TDP	65 W	45 W
TDP (PL2)		115 W
TDP up
TDP down
T. junction max.		100 °C

Technical details

Wischen	Intel Core i5-8400	Intel Core i7-12700H
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	SSE4.1, SSE4.2, AVX2, AVX2+
Release date	Q4/2017	Q1/2022
Release price	260 $	457 $
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 i5-8400 is 4.1 stars (80 ratings), while Intel Core i7-12700H has received 4.2 stars (188 ratings).

Click on the stars to rate one or both processors.

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

★★★★★

Intel Core i7-12700H
14C / 20T · 2.30 - 4.70 GHz

★★★★★