A9-9400 SoC vs A8-7650K

Primary details

Comparing A8-7650K and A9-9400 SoC processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1896	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.25	no data
Market segment	Desktop processor	Desktop processor
Series	AMD A-Series (Desktop)	no data
Architecture codename	Kaveri (2014−2015)	Stoney Ridge (2016−2019)
Release date	14 January 2014 (10 years ago)	31 May 2016 (8 years ago)
Launch price (MSRP)	$152	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

A8-7650K and A9-9400 SoC 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	3.3 GHz	2.4 GHz
Boost clock speed	3.8 GHz	3.2 GHz
L1 cache	256 KB	160 KB
L2 cache	4096 KB	1 MB (per core)
L3 cache	no data	0 KB
Chip lithography	28 nm	28 nm
Die size	245 mm2	125 mm2
Maximum core temperature	72 °C	no data
Maximum case temperature (TCase)	no data	74 °C
Number of transistors	2410 Million	1,200 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on A8-7650K and A9-9400 SoC 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+	FT4
Power consumption (TDP)	95 Watt	10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-7650K and A9-9400 SoC. You'll probably need this information if you require some particular technology.

Instruction set extensions	SSE1-4a, AVX, AES, FMA4, VT	no data
AES-NI	+	+
FMA	+	+
AVX	+	+
FRTC	+	-
FreeSync	+	-
DualGraphics	+	-
TrueAudio	+	-
PowerNow	+	-
PowerGating	+	-
Out-of-band client management	+	-
VirusProtect	+	-
HSA	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by A8-7650K and A9-9400 SoC are enumerated here.

AMD-V	+	+
IOMMU 2.0	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-7650K and A9-9400 SoC. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-2133	DDR4
Max memory channels	2	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon R7 Graphics	Radeon R5 3CU
iGPU core count	6	no data
Number of pipelines	384	no data
Enduro	+	-
Switchable graphics	+	-
UVD	+	-
VCE	+	-

Graphics interfaces

Available interfaces and connections of A8-7650K and A9-9400 SoC integrated GPUs.

DisplayPort	+	-
HDMI	+	-

Graphics API support

APIs supported by A8-7650K and A9-9400 SoC integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 12	no data
Vulkan	+	-

Peripherals

Specifications and connection of peripherals supported by A8-7650K and A9-9400 SoC.

PCIe version	3.0	3.0
PCI Express lanes	16	8

Pros & cons summary

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Recency	14 January 2014	31 May 2016
Physical cores	4	2
Threads	4	2
Power consumption (TDP)	95 Watt	10 Watt

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Should you still have questions on choice between A8-7650K and A9-9400 SoC, ask them in Comments section, and we shall answer.

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