EPYC 9654 vs A4 Micro-6400T

Primary details

Comparing A4 Micro-6400T and EPYC 9654 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2586	4
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	10.12
Market segment	Laptop	Server
Series	AMD A-Series	AMD EPYC
Architecture codename	Mullins (2014)	Genoa
Release date	29 April 2014 (10 years ago)	10 November 2022 (1 year ago)
Launch price (MSRP)	no data	$11,805
Current price	$340	$4544 (0.4x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

A4 Micro-6400T and EPYC 9654 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)	96
Threads	4	192
Base clock speed	1 GHz	2.4 GHz
Boost clock speed	1.6 GHz	3.7 GHz
L1 cache	no data	64K (per core)
L2 cache	2048 KB	1 MB (per core)
L3 cache	no data	384 MB (shared)
Chip lithography	28 nm	5 nm, 6 nm
Die size	no data	12x 72 mm2
Number of transistors	no data	78,840 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	No	No

Compatibility

Information on A4 Micro-6400T and EPYC 9654 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	2
Socket	FT3b	SP5
Power consumption (TDP)	4.5 Watt	360 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A4 Micro-6400T and EPYC 9654. You'll probably need this information if you require some particular technology.

Instruction set extensions	86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, Single-Channel DDR3L-1333a	no data
AES-NI	+	+
FMA	FMA4	no data
AVX	+	+
PowerTune	-	no data
TrueAudio	-	no data
PowerNow	+	no data
PowerGating	+	no data
Out-of-band client management	-	no data
VirusProtect	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by A4 Micro-6400T and EPYC 9654 are enumerated here.

AMD-V	1	+
IOMMU 2.0	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by A4 Micro-6400T and EPYC 9654. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1333	DDR5-4800
Maximum memory size	no data	6 TiB
Max memory channels	1	no data
Maximum memory bandwidth	no data	460.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon R3 Graphics	no data
Enduro	+	no data
Switchable graphics	1	no data
UVD	+	no data
VCE	+	no data

Graphics interfaces

Available interfaces and connections of A4 Micro-6400T and EPYC 9654 integrated GPUs.

DisplayPort	+	no data
HDMI	+	no data

Graphics API support

APIs supported by A4 Micro-6400T and EPYC 9654 integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 12	no data
Vulkan	1	no data

Peripherals

Specifications and connection of peripherals supported by A4 Micro-6400T and EPYC 9654.

PCIe version	2.0	5.0
PCI Express lanes	no data	128

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.

EPYC 9654 outperforms A4 Micro-6400T by 11183% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	0.70	78.98
Recency	29 April 2014	10 November 2022
Physical cores	4	96
Threads	4	192
Chip lithography	28 nm	5 nm
Power consumption (TDP)	4 Watt	360 Watt

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Should you still have questions on choice between A4 Micro-6400T and EPYC 9654, ask them in Comments section, and we shall answer.

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