EPYC 9655 vs A6 PRO-7400B

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Aggregate performance score

A6 PRO-7400B
2014
2 cores / 2 threads, 65 Watt
1.02
EPYC 9655
2024
96 cores / 192 threads, 400 Watt
97.25
+9434%

EPYC 9655 outperforms A6 PRO-7400B by a whopping 9434% based on our aggregate benchmark results.

Primary details

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

Place in the ranking25732
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data1.76
Market segmentDesktop processorServer
Power efficiency1.5123.33
DesignerAMDAMD
ManufacturerGlobalFoundriesTSMC
Architecture codenameKaveri (2014−2015)Turin (2024)
Release date31 July 2014 (10 years ago)10 October 2024 (less than a year ago)
Launch price (MSRP)no data$11,852

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Performance to price scatter graph

Detailed specifications

A6 PRO-7400B and EPYC 9655 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 cores2 (Dual-core)96
Threads2192
Base clock speed3.5 GHz2.6 GHz
Boost clock speed3.9 GHz4.5 GHz
L1 cacheno data80 KB (per core)
L2 cache1024 KB1 MB (per core)
L3 cacheno data384 MB (shared)
Chip lithography28 nm4 nm
Die size245 mm212x 70.6 mm2
Maximum core temperature70 °Cno data
Maximum case temperature (TCase)72 °Cno data
Number of transistors2,411 million99,780 million
64 bit support++

Compatibility

Information on A6 PRO-7400B and EPYC 9655 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 configuration12
SocketFM2+SP5
Power consumption (TDP)65 Watt400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6 PRO-7400B and EPYC 9655. You'll probably need this information if you require some particular technology.

AES-NI++
FMA+-
AVX++
PowerTune+-
DualGraphics+-
TrueAudio+-
PowerNow+-
PowerGating+-
Out-of-band client management+-
VirusProtect+-
RAID+-
HSA+-
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by A6 PRO-7400B and EPYC 9655 are enumerated here.

AMD-V++
IOMMU 2.0+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6 PRO-7400B and EPYC 9655. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1866DDR5
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon R5 GraphicsN/A
iGPU core count4no data
จำนวนพาธไลน์256no data
UVD+-
VCE+-

Graphics interfaces

Available interfaces and connections of A6 PRO-7400B and EPYC 9655 integrated GPUs.

DisplayPort+-
HDMI+-

Graphics API support

APIs supported by A6 PRO-7400B and EPYC 9655 integrated GPUs, sometimes API versions are included.

DirectXDirectX® 12no data

Peripherals

Specifications and connection of peripherals supported by A6 PRO-7400B and EPYC 9655.

PCIe version3.05.0
PCI Express lanes16128

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating.

A6 PRO-7400B 1.02
EPYC 9655 97.25
+9434%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.

A6 PRO-7400B 1640
EPYC 9655 156001
+9412%

Gaming performance

Pros & cons summary


Performance score 1.02 97.25
Recency 31 July 2014 10 October 2024
Physical cores 2 96
Threads 2 192
Chip lithography 28 nm 4 nm
Power consumption (TDP) 65 Watt 400 Watt

A6 PRO-7400B has 515.4% lower power consumption.

EPYC 9655, on the other hand, has a 9434.3% higher aggregate performance score, an age advantage of 10 years, 4700% more physical cores and 9500% more threads, and a 600% more advanced lithography process.

The AMD EPYC 9655 is our recommended choice as it beats the AMD A6 PRO-7400B in performance tests.

Note that A6 PRO-7400B is a desktop processor while EPYC 9655 is a server/workstation one.

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AMD A6 PRO-7400B
A6 PRO-7400B
AMD EPYC 9655
EPYC 9655

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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3.2 18 votes

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