A6-6400B vs A8-3800

Primary details

Comparing A8-3800 and A6-6400B processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2170	2340
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.06	no data
Market segment	Desktop processor	Desktop processor
Architecture codename	Llano (2011−2012)	Richland (2013−2014)
Release date	30 June 2011 (13 years ago)	1 June 2013 (11 years ago)
Current price	$40	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

A8-3800 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 cores	4 (Quad-Core)	2 (Dual-core)
Threads	4	2
Base clock speed	2.4 GHz	3.9 GHz
Boost clock speed	2.7 GHz	4.1 GHz
L1 cache	128 KB (per core)	96K
L2 cache	1 MB (per core)	1 MB (shared)
L3 cache	0 KB	no data
Chip lithography	32 nm	32 nm
Die size	228 mm2	246 mm2
Maximum case temperature (TCase)	no data	70 °C
Number of transistors	1,178 million	1,303 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	No	Yes

Compatibility

Information on A8-3800 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 configuration	1	1
Socket	FM1	FM2
Power consumption (TDP)	65 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-3800 and A6-6400B. You'll probably need this information if you require some particular technology.

AES-NI	no data	+
FMA	no data	+
AVX	no data	+
PowerNow	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by A8-3800 and A6-6400B are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-3800 and A6-6400B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

DDR3-1866

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare

AMD Radeon HD 6550D

AMD Radeon HD 8470D

Peripherals

Specifications and connection of peripherals supported by A8-3800 and A6-6400B.

PCIe version

no data

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.

A8-3800 outperforms A6-6400B by 27% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	1.32	1.04
Integrated graphics card	1.04	0.94
Recency	30 June 2011	1 June 2013
Physical cores	4	2
Threads	4	2

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Should you still have questions on choice between A8-3800 and A6-6400B, ask them in Comments section, and we shall answer.

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