AMDVery goodDesktop

AMD Ryzen 5 8645HS

Explore AMD Ryzen 5 8645HS technical reviews, specifications and benchmark results, with practical context for performance, compatibility and upgrade comparisons.

Last updated: 2026-10-20
7.3/ 10
Technical rating

Very good

AMD Ryzen 5 8645HS is a Desktop, Laptop processor with 6 cores and 12 threads. It runs at 4.3 GHz and boosts up to 5 GHz. It records a PassMark CPU Mark of 21963 and a single-thread rating of 3550. Its stated TDP is 45 W.

CPU Mark21,963
885 samples
Single Thread3,550
Overall rank#924
of 6,054
Reference price—

Technical assessment

A summary based on specifications and results.

Very good
7.3Very good

AMD Ryzen 5 8645HS is a Desktop, Laptop processor with 6 cores and 12 threads. It runs at 4.3 GHz and boosts up to 5 GHz. It records a PassMark CPU Mark of 21963 and a single-thread rating of 3550. Its stated TDP is 45 W.

Specification context

What do these specifications mean in practice?

The AMD Ryzen 5 8645HS is a Desktop released in 2024. Recorded specifications include 6 cores and 12 threads, up to 5.00 GHz turbo, a 45 W reference TDP, a 21,963 CPU Mark. Use these figures to understand its position, then compare the results with your software and the complete platform.

Reading guide

Read the performance results

The 21,963 CPU Mark is a broad overall-performance measure, while the 3,550 single-thread result adds context for less-parallel work. Compare the nearby alternatives on this page and do not treat one score as a verdict for every application.

Platform and compatibility

It uses socket FP7,FP7R2,FP. A matching socket is only the first check; confirm the official motherboard CPU-support list, BIOS revision and board power limits.

Memory and power

The 45 W TDP helps size the cooling class, but it is not the same as peak wall-power consumption.

FAQ

Common processor questions

What are the key AMD Ryzen 5 8645HS specifications?

The main recorded details are 6 cores and 12 threads, up to 5.00 GHz turbo, a 45 W reference TDP, a 21,963 CPU Mark. The tables on this page show socket, memory, cache and graphics data when available.

Is the AMD Ryzen 5 8645HS good for gaming?

The product name or CPU Mark alone cannot answer that. Check single-thread performance, core count, the target graphics card, gaming resolution and results from the games you play.

Which motherboards support the AMD Ryzen 5 8645HS?

Start with FP7,FP7R2,FP motherboards, then confirm the official CPU-support list and required BIOS revision for the exact board before buying.

How much power does the AMD Ryzen 5 8645HS use?

The recorded reference TDP is 45 W. Real consumption can be lower or higher depending on power limits, motherboard, workload and cooling.

This guidance interprets recorded specifications and results; it does not claim hands-on device testing. Results can vary with motherboard, power, memory and cooling.

Multi-axis comparison

How does this processor compare?

A direct comparison with nearby processors from the same brand and a similar core count.

5 CPU

Overall and multi-core performance

A higher CPU Mark indicates stronger overall performance.

01Apple M2 Pro 10 Core 3480 MHzApple21,976 points
02AMD Ryzen 5 8645HSThis CPU21,963 points
03Apple M1 Pro 10 Core 3200 MHzApple21,932 points
04AMD Ryzen 5 5600X3DAMD21,928 points
05AMD Ryzen 5 PRO 5645AMD21,904 points

Single-thread performance

Measures speed in tasks that depend on one CPU thread.

03AMD Ryzen 5 8645HSThis CPU3,550 points
04AMD Ryzen 5 PRO 5645AMD3,441 points
05AMD Ryzen 5 5600X3DAMD3,187 points

Performance per watt

Estimated as CPU Mark divided by TDP.

01AMD Ryzen 5 8645HSThis CPU488.1 Mark/W
02AMD Ryzen 5 5600X3DAMD208.8 Mark/W

Bars are relative to the processors shown here, not a global ranking of every CPU.

Detailed benchmark results

Snapshot from 2026-10-20

Data CompressionKBytes/Sec
257,284.00
Data EncryptionMBytes/Sec
15,153.00
Extended InstructionsMillion Matrices/Sec
19,520.00
Find Prime NumbersMillion Primes/Sec
73.00
Floating Point MathMOps/Sec
43,595.00
Integer MathMOps/Sec
70,435.00
PhysicsFrames/Sec
1,075.00
Random String SortingThousand Strings/Sec
31,046.00

Core specifications

BrandAMD
CategoryDesktop
Release year2024
SocketFP7,FP7R2,FP
Cores / threads6 / 12
Base clock4.30 GHz
Max turbo5.00 GHz
TDP45 W
Integrated graphicsw/ Radeon 760M Graphics

Memory support

—
Memory type—
Official speed—
Maximum capacity—

Cache hierarchy

L1I6 x 32 KB
L1D6 x 32 KB
L26 x 1024 KB
L316 MB