Athlon II M320 vs Athlon II X4 651

Aggregate performance score

Athlon II X4 651
2011
4 cores / 4 threads, 100 Watt
2.26
+381%
Athlon II M320
2009
2 cores / 2 threads, 35 Watt
0.47

Athlon II X4 651 outperforms Athlon II M320 by a whopping 381% based on our aggregate benchmark results.

Primary details

Comparing Athlon II X4 651 and Athlon II M320 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking18172907
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataAMD Athlon II
Power efficiency2.141.27
Architecture codenameLlano (2011−2012)Caspian (2009)
Release date14 November 2011 (13 years ago)10 September 2009 (15 years ago)

Detailed specifications

Athlon II X4 651 and Athlon II M320 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)2 (Dual-core)
Threads42
Base clock speed3 GHzno data
Boost clock speed3 GHz2.1 GHz
Bus rateno data3200 MHz
L1 cache128 KB (per core)128 KB
L2 cache1 MB (per core)1 MB
L3 cache0 KBno data
Chip lithography32 nm45 nm
Die size228 mm2no data
Number of transistors1,178 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Athlon II X4 651 and Athlon II M320 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 configuration1no data
SocketFM1Socket S1 (S1g3)
Power consumption (TDP)100 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II X4 651 and Athlon II M320. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization
PowerNow-+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X4 651 and Athlon II M320 are enumerated here.

AMD-V+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 651 and Athlon II M320. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR2

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
+381%
Athlon II M320 0.47

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
+379%
Athlon II M320 749

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
+83%
Athlon II M320 182

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
+241%
Athlon II M320 325

Gaming performance

Pros & cons summary


Performance score 2.26 0.47
Recency 14 November 2011 10 September 2009
Physical cores 4 2
Threads 4 2
Chip lithography 32 nm 45 nm
Power consumption (TDP) 100 Watt 35 Watt

Athlon II X4 651 has a 380.9% higher aggregate performance score, an age advantage of 2 years, 100% more physical cores and 100% more threads, and a 40.6% more advanced lithography process.

Athlon II M320, on the other hand, has 185.7% lower power consumption.

The Athlon II X4 651 is our recommended choice as it beats the Athlon II M320 in performance tests.

Note that Athlon II X4 651 is a desktop processor while Athlon II M320 is a notebook one.


Should you still have questions on choice between Athlon II X4 651 and Athlon II M320, 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 651
Athlon II X4 651
AMD Athlon II M320
Athlon II M320

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


3.9 185 votes

Rate Athlon II X4 651 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.5 32 votes

Rate Athlon II M320 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Athlon II X4 651 or Athlon II M320, agree or disagree with our judgements, or report an error or mismatch.