A6-6400B vs PRO A8-8650B

VS

Aggregate performance score

PRO A8-8650B
2015
4 cores / 4 threads, 65 Watt
2.02
+98%
A6-6400B
2013
2 cores / 2 threads, 65 Watt
1.02

PRO A8-8650B outperforms A6-6400B by an impressive 98% based on our aggregate benchmark results.

Primary details

Comparing PRO A8-8650B and A6-6400B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking19252460
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency2.941.49
Architecture codenameGodaveri (2014−2016)Richland (2013−2014)
Release date29 September 2015 (9 years ago)1 June 2013 (11 years ago)

Detailed specifications

PRO A8-8650B and A6-6400B 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 speed3.2 GHz3.9 GHz
Boost clock speed3.9 GHz4.1 GHz
L1 cacheno data96K
L2 cache4096 KB1 MB (shared)
Chip lithography28 nm32 nm
Die size245 mm2246 mm2
Maximum core temperature71 °Cno data
Maximum case temperature (TCase)72 °C70 °C
Number of transistors2,411 million1,303 million
64 bit support++
Unlocked multiplier-+

Compatibility

Information on PRO A8-8650B and A6-6400B 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
SocketFM2+FM2
Power consumption (TDP)65 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by PRO A8-8650B and A6-6400B. You'll probably need this information if you require some particular technology.

AES-NI++
FMA++
AVX++
FRTC+-
FreeSync+-
PowerTune+-
DualGraphics+-
TrueAudio+-
PowerNow++
PowerGating+-
Out-of-band client management+-
VirusProtect+-
RAID+-
HSA+-

Virtualization technologies

Virtual machine speed-up technologies supported by PRO A8-8650B and A6-6400B are enumerated here.

AMD-V++
IOMMU 2.0+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by PRO A8-8650B and A6-6400B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-2133DDR3-1866
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon R7 GraphicsAMD Radeon HD 8470D
iGPU core count6no data
จำนวนพาธไลน์384no data
Enduro+-
Switchable graphics+-
UVD+-
VCE+-

Graphics interfaces

Available interfaces and connections of PRO A8-8650B and A6-6400B integrated GPUs.

DisplayPort+-
HDMI+-

Graphics API support

APIs supported by PRO A8-8650B and A6-6400B integrated GPUs, sometimes API versions are included.

DirectXDirectX® 12no data
Vulkan+-

Peripherals

Specifications and connection of peripherals supported by PRO A8-8650B and A6-6400B.

PCIe version3.02.0
PCI Express lanes16no data

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.

PRO A8-8650B 2.02
+98%
A6-6400B 1.02

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.

PRO A8-8650B 3212
+98.8%
A6-6400B 1616

Gaming performance

Pros & cons summary


Performance score 2.02 1.02
Recency 29 September 2015 1 June 2013
Physical cores 4 2
Threads 4 2
Chip lithography 28 nm 32 nm

PRO A8-8650B has a 98% higher aggregate performance score, an age advantage of 2 years, 100% more physical cores and 100% more threads, and a 14.3% more advanced lithography process.

The PRO A8-8650B is our recommended choice as it beats the A6-6400B in performance tests.


Should you still have questions on choice between PRO A8-8650B and A6-6400B, 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 PRO A8-8650B
PRO A8-8650B
AMD A6-6400B
A6-6400B

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.


4 162 votes

Rate PRO A8-8650B on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
5 5 votes

Rate A6-6400B on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about PRO A8-8650B or A6-6400B, agree or disagree with our judgements, or report an error or mismatch.