Athlon II X4 631 vs Athlon II X4 651

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Aggregate performance score

Athlon II X4 651
2011
4 cores / 4 threads, 100 Watt
2.26
+68.7%
Athlon II X4 631
2011
4 cores / 4 threads, 100 Watt
1.34

Athlon II X4 651 outperforms Athlon II X4 631 by an impressive 69% based on our aggregate benchmark results.

Primary details

Comparing Athlon II X4 651 and Athlon II X4 631 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking18152244
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency2.141.27
Architecture codenameLlano (2011−2012)Llano (2011−2012)
Release date14 November 2011 (13 years ago)17 August 2011 (13 years ago)

Detailed specifications

Athlon II X4 651 and Athlon II X4 631 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 speed3 GHz2.6 GHz
Boost clock speed3 GHz2.6 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 651 and Athlon II X4 631 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
SocketFM1FM1
Power consumption (TDP)100 Watt100 Watt

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X4 651 and Athlon II X4 631 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 651 and Athlon II X4 631. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3

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 651 2.26
+68.7%
Athlon II X4 631 1.34

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 651 3584
+68.9%
Athlon II X4 631 2122

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Athlon II X4 651 333
+19.8%
Athlon II X4 631 278

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Athlon II X4 651 1108
+27.9%
Athlon II X4 631 866

Gaming performance

Pros & cons summary


Performance score 2.26 1.34
Recency 14 November 2011 17 August 2011

Athlon II X4 651 has a 68.7% higher aggregate performance score, and an age advantage of 2 months.

The Athlon II X4 651 is our recommended choice as it beats the Athlon II X4 631 in performance tests.


Should you still have questions on choice between Athlon II X4 651 and Athlon II X4 631, ask them in Comments section, and we shall answer.

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AMD Athlon II X4 651
Athlon II X4 651
AMD Athlon II X4 631
Athlon II X4 631

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Community ratings

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


3.9 185 votes

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Questions & comments

Here you can ask a question about Athlon II X4 651 or Athlon II X4 631, agree or disagree with our judgements, or report an error or mismatch.