Athlon II X4 640 vs Pro A8-8600B

Primary details

Comparing Pro A8-8600B and Athlon II X4 640 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2094	2077
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	2.92
Market segment	Laptop	Desktop processor
Series	AMD Carrizo	no data
Architecture codename	Carrizo (2015−2018)	Propus (2009−2011)
Release date	3 June 2015 (8 years ago)	11 May 2010 (14 years ago)
Launch price (MSRP)	no data	$80
Current price	$500	$49 (0.6x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pro A8-8600B and Athlon II X4 640 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 cores	4 (Quad-Core)	4 (Quad-Core)
Threads	4	4
Base clock speed	1.6 GHz	3 GHz
Boost clock speed	3 GHz	3 GHz
L1 cache	no data	128 KB (per core)
L2 cache	2048 KB	512 KB (per core)
L3 cache	no data	0 KB
Chip lithography	28 nm	45 nm
Die size	no data	169 mm2
Number of transistors	3100 Million	300 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Pro A8-8600B and Athlon II X4 640 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 configuration	no data	1
Socket	FP4	AM3
Power consumption (TDP)	12-35 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pro A8-8600B and Athlon II X4 640. You'll probably need this information if you require some particular technology.

Instruction set extensions	HSA 1.0	no data
AES-NI	1	no data
FMA	FMA4	no data
AVX	AVX	no data
FRTC	1	no data
FreeSync	1	no data
PowerTune	-	no data
TrueAudio	+	no data
PowerNow	+	no data
PowerGating	+	no data
Out-of-band client management	+	no data
VirusProtect	+	no data
RAID	+	no data
HSA	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pro A8-8600B and Athlon II X4 640 are enumerated here.

AMD-V	1	no data
IOMMU 2.0	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pro A8-8600B and Athlon II X4 640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3/DDR3L-2133	DDR3
Max memory channels	2	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon R6 Graphics	no data
iGPU core count	6	no data
Number of pipelines	384	no data
Enduro	+	no data
Switchable graphics	1	no data
UVD	+	no data
VCE	+	no data

Graphics interfaces

Available interfaces and connections of Pro A8-8600B and Athlon II X4 640 integrated GPUs.

DisplayPort	+	no data
HDMI	+	no data

Graphics API support

APIs supported by Pro A8-8600B and Athlon II X4 640 integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 12	no data
Vulkan	1	no data

Peripherals

Specifications and connection of peripherals supported by Pro A8-8600B and Athlon II X4 640.

PCIe version

3.0

2.0

Synthetic benchmark performance

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

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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 640 outperforms Pro A8-8600B by 2% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	1.42	1.45
Recency	3 June 2015	11 May 2010
Chip lithography	28 nm	45 nm
Power consumption (TDP)	12 Watt	95 Watt

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Should you still have questions on choice between Pro A8-8600B and Athlon II X4 640, ask them in Comments section, and we shall answer.

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