AMDOutdated for demanding workloadsDesktop

AMD Athlon 1640B

Explore AMD Athlon 1640B technical reviews, specifications and benchmark results, with practical context for performance, compatibility and upgrade comparisons.

Last updated: 2026-10-20
1.8/ 10
Technical rating

Outdated for demanding workloads

AMD Athlon 1640B is a Desktop processor with 1 cores and 1 threads. Its base clock is 2.7 GHz. It records a PassMark CPU Mark of 376 and a single-thread rating of 574. Its stated TDP is 45 W.

CPU Mark376
19 samples
Single Thread574
Overall rank#5,519
of 6,054
Reference price$50.00

Technical assessment

A summary based on specifications and results.

Outdated for demanding workloads
1.8Outdated for demanding workloads

AMD Athlon 1640B is a Desktop processor with 1 cores and 1 threads. Its base clock is 2.7 GHz. It records a PassMark CPU Mark of 376 and a single-thread rating of 574. Its stated TDP is 45 W.

Specification context

What do these specifications mean in practice?

The AMD Athlon 1640B is a Desktop released in 2009. Recorded specifications include 1 cores and 1 threads, a 45 W reference TDP, a 376 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 376 CPU Mark is a broad overall-performance measure, while the 574 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 AM2. 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 Athlon 1640B specifications?

The main recorded details are 1 cores and 1 threads, a 45 W reference TDP, a 376 CPU Mark. The tables on this page show socket, memory, cache and graphics data when available.

Is the AMD Athlon 1640B 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 Athlon 1640B?

Start with AM2 motherboards, then confirm the official CPU-support list and required BIOS revision for the exact board before buying.

How much power does the AMD Athlon 1640B 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.

02AMD Athlon 1640BThis CPU376 points
03AMD Athlon 64 3300+AMD375 points
05AMD Athlon 64 2200+AMD374 points

Single-thread performance

Measures speed in tasks that depend on one CPU thread.

01AMD Athlon 1640BThis CPU574 points
03AMD Athlon 64 3300+AMD477 points

Performance per watt

Estimated as CPU Mark divided by TDP.

01Intel Atom E3825 @ 1.33GHzIntel63.0 Mark/W
02AMD Athlon 1640BThis CPU8.4 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
4,524.00
Data EncryptionMBytes/Sec
76.40
Extended InstructionsMillion Matrices/Sec
178.00
Find Prime NumbersMillion Primes/Sec
2.00
Floating Point MathMOps/Sec
1,132.00
Integer MathMOps/Sec
1,814.00
PhysicsFrames/Sec
43.00
Random String SortingThousand Strings/Sec
583.00

Core specifications

BrandAMD
CategoryDesktop
Release year2009
SocketAM2
Cores / threads1 / 1
Base clock2.70 GHz
Max turbo—
TDP45 W
Integrated graphics—

Memory support

—
Memory type—
Official speed—
Maximum capacity—

Cache hierarchy

L1I1 x 64 KB
L1D1 x 64 KB
L21 x 512 KB