Phenom II X2 B55 vs PRO A8-8650B

Primary details

Comparing PRO A8-8650B and Phenom II X2 B55 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1782	2525
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	2.02
Market segment	Desktop processor	Desktop processor
Architecture codename	Godaveri (2014−2018)	Callisto (2009−2010)
Release date	29 September 2015 (8 years ago)	October 2009 (14 years ago)
Launch price (MSRP)	no data	$48
Current price	no data	$28 (0.6x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

PRO A8-8650B and Phenom II X2 B55 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)	2 (Dual-core)
Threads	4	2
Base clock speed	3.2 GHz	no data
Boost clock speed	3.9 GHz	3 GHz
L1 cache	no data	128 KB (per core)
L2 cache	4096 KB	512 KB (per core)
L3 cache	no data	6 MB (shared)
Chip lithography	28 nm	45 nm
Die size	245 mm2	258 mm2
Maximum core temperature	71 °C	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	2,411 million	758 million
64 bit support	+	+
Windows 11 compatibility	no data	-
Unlocked multiplier	No	No

Compatibility

Information on PRO A8-8650B and Phenom II X2 B55 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	1	1
Socket	FM2+	AM3
Power consumption (TDP)	65 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by PRO A8-8650B and Phenom II X2 B55. You'll probably need this information if you require some particular technology.

AES-NI	+	no data
FMA	+	no data
AVX	+	no data
FRTC	1	no data
FreeSync	1	no data
PowerTune	+	no data
DualGraphics	1	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	1	no data

Virtualization technologies

Virtual machine speed-up technologies supported by PRO A8-8650B and Phenom II X2 B55 are enumerated here.

AMD-V	+	no data
IOMMU 2.0	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by PRO A8-8650B and Phenom II X2 B55. Depending on the motherboard, higher memory frequencies may be supported.

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

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon R7 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 A8-8650B and Phenom II X2 B55 integrated GPUs.

DisplayPort	+	no data
HDMI	+	no data

Graphics API support

APIs supported by PRO A8-8650B and Phenom II X2 B55 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 A8-8650B and Phenom II X2 B55.

PCIe version	3.0	no data
PCI Express lanes	16	no 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.

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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.

PRO A8-8650B outperforms Phenom II X2 B55 by 174% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	2.08	0.76
Physical cores	4	2
Threads	4	2
Chip lithography	28 nm	45 nm
Power consumption (TDP)	65 Watt	80 Watt

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Should you still have questions on choice between PRO A8-8650B and Phenom II X2 B55, ask them in Comments section, and we shall answer.

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