EPYC Embedded 3451 vs A8-7650K

Primary details

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

Place in the ranking	2200	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.31	no data
Market segment	Desktop processor	Server
Series	AMD A-Series (Desktop)	AMD EPYC Embedded
Power efficiency	0.79	no data
Designer	AMD	AMD
Manufacturer	GlobalFoundries	GlobalFoundries
Architecture codename	Kaveri (2014−2015)	Zen (2017−2020)
Release date	7 January 2015 (10 years ago)	21 February 2018 (7 years ago)
Launch price (MSRP)	$152	$880

Cost-effectiveness evaluation

Performance per price, higher is better.

Performance to price scatter graph

Detailed specifications

A8-7650K and EPYC Embedded 3451 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)	16 (Hexadeca-Core)
Threads	4	32
Base clock speed	3.3 GHz	2.15 GHz
Boost clock speed	3.8 GHz	3 GHz
Multiplier	no data	21.5
L1 cache	256 KB	96K (per core)
L2 cache	4096 KB	512K (per core)
L3 cache	no data	32 MB (shared)
Chip lithography	28 nm	14 nm
Die size	245 mm2	2x 213 mm2
Maximum core temperature	72 °C	no data
Number of transistors	2,411 million	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on A8-7650K and EPYC Embedded 3451 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 (Uniprocessor)
Socket	FM2+	AMD BGA SP4r2
Power consumption (TDP)	95 Watt	100 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-7650K and EPYC Embedded 3451. 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 EPYC Embedded 3451 are enumerated here.

AMD-V	+	+
IOMMU 2.0	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-7650K and EPYC Embedded 3451. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-2133	DDR4-2666
Maximum memory size	no data	1 TiB
Max memory channels	2	4
Maximum memory bandwidth	no data	85.33 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon R7 Graphics	no data
iGPU core count	6	no data
จำนวนพาธไลน์	384	no data
Enduro	+	-
Switchable graphics	+	-
UVD	+	-
VCE	+	-

Graphics interfaces

Available interfaces and connections of A8-7650K and EPYC Embedded 3451 integrated GPUs.

DisplayPort	+	-
HDMI	+	-

Graphics API support

APIs supported by A8-7650K and EPYC Embedded 3451 integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 12	no data
Vulkan	+	-

Peripherals

Specifications and connection of peripherals supported by A8-7650K and EPYC Embedded 3451.

PCIe version	3.0	3.0
PCI Express lanes	16	64

Pros & cons summary

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Recency	7 January 2015	21 February 2018
Physical cores	4	16
Threads	4	32
Chip lithography	28 nm	14 nm
Power consumption (TDP)	95 Watt	100 Watt

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