A8-3500M vs Athlon II X4 638

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Aggregate performance score

Athlon II X4 638
2012
4 cores / 4 threads, 65 Watt
1.42
+61.4%
A8-3500M
2011
4 cores / 4 threads, 35 Watt
0.88

Athlon II X4 638 outperforms A8-3500M by an impressive 61% based on our aggregate benchmark results.

Primary details

Comparing Athlon II X4 638 and A8-3500M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22122562
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataAMD A-Series
Power efficiency2.072.38
Architecture codenameLlano (2011−2012)Llano (2011−2012)
Release date6 February 2012 (12 years ago)14 June 2011 (13 years ago)

Detailed specifications

Athlon II X4 638 and A8-3500M basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)4 (Quad-Core)
Threads44
Base clock speed2.7 GHz1.5 GHz
Boost clock speed2.7 GHz2.4 GHz
L1 cache128 KB (per core)128 KB (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache0 KB0 KB
Chip lithography32 nm32 nm
Die size228 mm2228 mm2
Number of transistors1,178 million1,178 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Athlon II X4 638 and A8-3500M compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFM1FS1
Power consumption (TDP)65 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II X4 638 and A8-3500M. You'll probably need this information if you require some particular technology.

Instruction set extensionsno data3DNow!, MMX, SSE, SSE2, SSE3, SSE4a, Radeon HD 6620G

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X4 638 and A8-3500M are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 638 and A8-3500M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon HD 6620G (444 MHz)

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Athlon II X4 638 1.42
+61.4%
A8-3500M 0.88

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Athlon II X4 638 2250
+60.7%
A8-3500M 1400

Gaming performance

Pros & cons summary


Performance score 1.42 0.88
Recency 6 February 2012 14 June 2011
Power consumption (TDP) 65 Watt 35 Watt

Athlon II X4 638 has a 61.4% higher aggregate performance score, and an age advantage of 7 months.

A8-3500M, on the other hand, has 85.7% lower power consumption.

The Athlon II X4 638 is our recommended choice as it beats the A8-3500M in performance tests.

Note that Athlon II X4 638 is a desktop processor while A8-3500M is a notebook one.


Should you still have questions on choice between Athlon II X4 638 and A8-3500M, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD Athlon II X4 638
Athlon II X4 638
AMD A8-3500M
A8-3500M

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.1 34 votes

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3.6 118 votes

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Questions & comments

Here you can ask a question about Athlon II X4 638 or A8-3500M, agree or disagree with our judgements, or report an error or mismatch.