Athlon X4 750K 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
+25.6%
Athlon X4 750K
2012
4 cores / 4 threads, 100 Watt
1.80

Athlon II X4 651 outperforms Athlon X4 750K by a significant 26% based on our aggregate benchmark results.

Primary details

Comparing Athlon II X4 651 and Athlon X4 750K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking18302019
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency2.141.70
Architecture codenameLlano (2011−2012)Trinity (2012−2013)
Release date14 November 2011 (13 years ago)2 October 2012 (12 years ago)

Detailed specifications

Athlon II X4 651 and Athlon X4 750K 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 GHz3.4 GHz
Boost clock speed3 GHz4 GHz
L1 cache128 KB (per core)192K
L2 cache1 MB (per core)4 MB (shared)
L3 cache0 KBno data
Chip lithography32 nm32 nm
Die size228 mm2246 mm2
Maximum case temperature (TCase)no data74 °C
Number of transistors1,178 million1,303 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier-+

Compatibility

Information on Athlon II X4 651 and Athlon X4 750K 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
SocketFM1FM2
Power consumption (TDP)100 Watt100 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II X4 651 and Athlon X4 750K. You'll probably need this information if you require some particular technology.

AES-NI-+
FMA-+
AVX-+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X4 651 and Athlon X4 750K are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 651 and Athlon X4 750K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3-1866

Peripherals

Specifications and connection of peripherals supported by Athlon II X4 651 and Athlon X4 750K.

PCIe versionno data2.0

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
+25.6%
Athlon X4 750K 1.80

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
+25.3%
Athlon X4 750K 2861

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
Athlon X4 750K 443
+33%

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
+9.4%
Athlon X4 750K 1013

Gaming performance

Pros & cons summary


Performance score 2.26 1.80
Recency 14 November 2011 2 October 2012

Athlon II X4 651 has a 25.6% higher aggregate performance score.

Athlon X4 750K, on the other hand, has an age advantage of 10 months.

The Athlon II X4 651 is our recommended choice as it beats the Athlon X4 750K in performance tests.


Should you still have questions on choice between Athlon II X4 651 and Athlon X4 750K, ask them in Comments section, and we shall answer.

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AMD Athlon II X4 651
Athlon II X4 651
AMD Athlon X4 750K
Athlon X4 750K

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Community ratings

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


3.9 186 votes

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4 144 votes

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Questions & comments

Here you can ask a question about Athlon II X4 651 or Athlon X4 750K, agree or disagree with our judgements, or report an error or mismatch.