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AMD Ryzen 7 7840HS vs Intel Core i7-940

Last updated: 2026-07-01

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 %

AMD Ryzen 7 7840HS

Rank 2 - 26 %

Intel Core i7-940

Multi-core performance

Rank 1 - 100 %

AMD Ryzen 7 7840HS

Rank 2 - 15 %

Intel Core i7-940

Geekbench 6 Single-Core
Single-core performance

8C / 16T · 5.10 GHz

2,456

4C / 8T · 3.20 GHz

568

Geekbench 6 Multi-Core
Multi-core performance

8C / 16T · 4.25 GHz

12,135

4C / 8T · 2.93 GHz

1,890

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

8C / 16T · 5.10 GHz

1,857

4C / 8T · 3.20 GHz

537

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

8C / 16T · 4.25 GHz

11,334

4C / 8T · 2.93 GHz

2,253

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

Geekbench 5 (SC)
2,512 entries

Geekbench 5 (MC)
2,483 entries

FP32 SP (iGPU)
2,219 entries

3DMark Timespy (iGPU)
534 entries

PassMark CPU-Mark
2,504 entries

CPU-Z Benchmark 17 (SC)
250 entries

CPU-Z Benchmark 17 (MC)
751 entries

CPU performance per watt (efficiency)
140 entries

AI performance (NPU)
218 entries

Specifications

At a glance

Wischen	AMD Ryzen 7 7840HS	Intel Core i7-940
Family	AMD Ryzen 7 (79)	Intel Core i7 (300)
CPU group	AMD Ryzen 7040 (21)	Intel Core i7 900 (7)
Architecture	Phoenix (Zen 4)	Bloomfield
Technology	4 nm	45 nm
Segment	Notebook	Desktop
Socket	FP8	LGA 1366
Predecessor
Successor	AMD Ryzen 7 8840HS

CPU Cores and Base Frequency

Wischen	AMD Ryzen 7 7840HS	Intel Core i7-940
CPU Cores / Threads	8 / 16	4 / 8
Hyperthreading / SMT	✓	✓
Core architecture	normal	normal
Cores:	8x Zen 4	4x
Frequency:	3.80 GHz	2.93 GHz
Turbo (1 Core):	5.10 GHz	3.20 GHz
Turbo (All Cores):	4.25 GHz
L2-Cache	8.00 MB	1.00 MB
L3-Cache	16.00 MB	8.00 MB
Overclocking	✗	✗

Integrated graphics (iGPU)

Wischen	AMD Ryzen 7 7840HS	Intel Core i7-940
GPU name	AMD Radeon 780M	no iGPU
GPU frequency	0.80 - 2.70 GHz
CUs / Shader	12 / 768	/
Raytracing	✓	✗
Max. displays	4
Max. GPU Memory	32 GB
Technology	4 nm
Release date	Q1/2023

NPU AI performance

Wischen	AMD Ryzen 7 7840HS	Intel Core i7-940
AI hardware	AMD Ryzen™ AI
AI specifications	AMD dedicated AI XDNA Technology
NPU + CPU + iGPU

Memory & PCIe

Wischen	AMD Ryzen 7 7840HS	Intel Core i7-940
Memory	LPDDR5X-7500 (120.0 GB/s) LPDDR5-6400 (102.4 GB/s) DDR5-5600 (89.6 GB/s) DDR5-4800 (76.8 GB/s)	DDR3-1066 (25.6 GB/s)
Max. Memory	256 GB	24 GB
Memory channels	2	3
ECC	Yes	No
PCIe	4.0 x 20
PCIe Bandwidth	39.4 GB/s

Thermal Management

Wischen	AMD Ryzen 7 7840HS	Intel Core i7-940
TDP	54 W	130 W
TDP (PL2)
TDP up	60 W
TDP down	35 W
T. junction max.	100 °C

Technical details

Wischen	AMD Ryzen 7 7840HS	Intel Core i7-940
Chip design	Monolithic	Monolithic
AES-NI	✓	✗
Operating systems	Windows 10, Windows 11, Linux	Windows 10, Linux
Instruction set	x86-64 (64 bit)	x86-64 (64 bit)
ISA extensions	SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512	SSE4.1, SSE4.2
Release date	Q1/2023	Q4/2008
Release price		305 $
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 AMD Ryzen 7 7840HS is 4.6 stars (299 ratings), while Intel Core i7-940 has received 5.0 stars (2 ratings).

Click on the stars to rate one or both processors.

AMD Ryzen 7 7840HS
8C / 16T · 3.80 - 5.10 GHz

★★★★★

Intel Core i7-940
4C / 8T · 2.93 - 3.20 GHz

★★★★★