AMD

AMD Ryzen 9 7940H

Expert rating8.1 / 10

Brand:: AMD
Form Factor:: Laptop
CPU Socket:: BGA (soldered, mobile)
Core/Thread Count:: 8C/16T
TDP:: 45W
iGPU:: AMD Radeon 780M
CPU Series:: Ryzen

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Manufacturer: AMD Last updated: 2026-09-12

AMD Ryzen 9 7940H Review

AMD Ryzen 9 7940H 8-core 16-thread mobile processor, 3.1GHz base / 5.0GHz boost, 45W TDP, Zen 4 (Phoenix/Rembrandt refresh)

The AMD Ryzen 9 7940H is a mainstream performance laptop chip for everyday multitasking and light creative work. Built on AMD's Zen 4 (Phoenix/Rembrandt refresh), it pairs 8 cores and 16 threads with a 3.1GHz base clock boosting to 5.0GHz and 16MB of L3 cache, all within a 45W power envelope.

Performance and Architecture

With 8 cores and 16 threads, the AMD Ryzen 9 7940H is built on AMD's Zen 4 (Phoenix/Rembrandt refresh). Its 3.1GHz base clock boosts up to 5.0GHz, backed by 16MB of L3 cache for solid multitasking and application performance in a laptop chassis.

Graphics and Efficiency

The AMD Ryzen 9 7940H operates within a 45W power envelope, positioned as a mainstream performance laptop chip for everyday multitasking and light creative work. Integrated graphics come from AMD Radeon 660M Graphics (RDNA 2), handling everyday graphics tasks and light gaming without a discrete GPU.

Comparison to Alternatives

Within AMD's Ryzen mobile lineup in this catalog, the AMD Ryzen 9 7940H sits among other Zen 4 (Phoenix/Rembrandt refresh) parts at the 8-core tier, differentiated by suffix and TDP class. Against Intel's Core Mobile processors in this catalog, the AMD Ryzen 9 7940H offers competitive multi-threaded performance and efficiency, while against AMD's own Ryzen AI Mobile chips in this catalog it trades a dedicated NPU/AI acceleration block for a simpler, often lower-cost platform.

Our verdict

Reviewed by Burooj Alam. Rated by us, not by users.

Expert rating8.1 / 10

The AMD Ryzen 9 7940H strikes a strong balance between performance and portability for mainstream laptops.

Best for

Mainstream laptops
Multitasking and productivity
Light creative work

Not for

High-end gaming
Extreme battery-life-first designs
Workstation-class rendering

Specifications

What these specs mean

Identity

Codename	Phoenix
Release Year	2023

Segment and platform

Market Segment	Laptop
Microarchitecture	Zen 4 (Phoenix)
Socket	BGA (soldered, mobile)
Process Node	4 nm

Core configuration

Total Cores	8
Performance Cores	8
Efficiency Cores	0
Total Threads	16
SMT Enabled	Yes

Clock speeds

P-Core Base Clock	4.0 GHz
P-Core Boost Clock	5.2 GHz

Cache

L3 Cache	16 MB

Memory

Memory Type	DDR5

Graphics and AI

Integrated Graphics	Yes

Form Factor	Laptop
TDP	45 W
iGPU	AMD Radeon 780M

FAQs

What are the key specifications of the AMD Ryzen 9 7940H?

The AMD Ryzen 9 7940H has 8 cores and 16 threads, a 4.0 GHz base and 5.2 GHz boost clock, 16 MB of L3 cache and a 45 W TDP. Integrated graphics: AMD Radeon 780M. Socket: BGA (soldered, mobile).

Will the AMD Ryzen 9 7940H work with my current setup?

The AMD Ryzen 9 7940H lists Socket is BGA (soldered, mobile). Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.

Who is the AMD Ryzen 9 7940H best suited to?

Best suited to: Mainstream laptops; Multitasking and productivity; Light creative work.

What are the drawbacks of the AMD Ryzen 9 7940H?

Not the best fit for: High-end gaming; Extreme battery-life-first designs; Workstation-class rendering.