Pro A6-8500B vs A6-6400K

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2779	2738
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	AMD A-Series (Desktop)	AMD Carrizo
Power efficiency	0.56	2.55
Designer	AMD	AMD
Architecture codename	Richland (2013−2014)	Carrizo (2015−2018)
Release date	1 June 2013 (12 years ago)	3 June 2015 (10 years ago)

Detailed specifications

A6-6400K and Pro A6-8500B 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	2 (Dual-core)	2 (Dual-core)
Threads	2	4
Base clock speed	3.9 GHz	1.6 GHz
Boost clock speed	4.1 GHz	3 GHz
L1 cache	96 KB	no data
L2 cache	1024 KB	1024 KB
L3 cache	0 KB	no data
Chip lithography	32 nm	28 nm
Die size	246 mm2	no data
Maximum core temperature	70 °C	no data
Maximum case temperature (TCase)	70 °C	no data
Number of transistors	1,178 million	3100 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on A6-6400K and Pro A6-8500B 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	no data
Socket	FM2	FP4
Power consumption (TDP)	65 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-6400K and Pro A6-8500B. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX, SSE1-4a, AES, ABM, AVX, BMI1, AMD64, VT, EVP, Turbo Core 3.0	HSA 1.0
AES-NI	+	+
FMA	FMA4	FMA4
AVX	+	AVX
FRTC	-	+
FreeSync	-	+
TrueAudio	-	+
PowerNow	+	+
PowerGating	+	+
Out-of-band client management	-	+
VirusProtect	+	+
RAID	-	+
HSA	-	+

Virtualization technologies

Virtual machine speed-up technologies supported by A6-6400K and Pro A6-8500B are enumerated here.

AMD-V	+	+
IOMMU 2.0	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-6400K and Pro A6-8500B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1866	DDR3/DDR3L-1600
Max memory channels	2	2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare R5 Graphics and HD 8470D	AMD Radeon HD 8470D	AMD Radeon R5 Graphics
iGPU core count	no data	4
จำนวนพาธไลน์	192	256
Enduro	+	+
Switchable graphics	+	+
UVD	+	+
VCE	+	+

Graphics interfaces

Available interfaces and connections of A6-6400K and Pro A6-8500B integrated GPUs.

DisplayPort	+	+
HDMI	+	+

Graphics API support

APIs supported by A6-6400K and Pro A6-8500B integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 11	DirectX® 12
Vulkan	-	+

Peripherals

Specifications and connection of peripherals supported by A6-6400K and Pro A6-8500B.

PCIe version

2.0

3.0

Synthetic benchmarks

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.

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Pros & cons summary

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Performance score	0.86	0.90
Recency	1 June 2013	3 June 2015
Threads	2	4
Chip lithography	32 nm	28 nm
Power consumption (TDP)	65 Watt	15 Watt

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