A12-9800 vs EPYC 4345P

Primary details

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

Place in the ranking	262	1961
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	60.51	0.76
Market segment	Server	Desktop processor
Power efficiency	34.77	3.40
Designer	AMD	AMD
Manufacturer	TSMC	no data
Architecture codename	Grado (2025)	Bristol Ridge (2016−2019)
Release date	13 May 2025 (recently)	27 July 2017 (7 years ago)
Launch price (MSRP)	$329	$139

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 4345P has 7862% better value for money than A12-9800.

Performance to price scatter graph

Detailed specifications

EPYC 4345P and A12-9800 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	8 (Octa-Core)	4 (Quad-Core)
Threads	16	4
Base clock speed	3.8 GHz	3.8 GHz
Boost clock speed	5.5 GHz	4.2 GHz
L1 cache	80 KB (per core)	no data
L2 cache	1 MB (per core)	2048 KB
L3 cache	32 MB (shared)	0 KB
Chip lithography	4 nm	28 nm
Die size	70.6 mm2	246 mm2
Maximum core temperature	no data	90 °C
Maximum case temperature (TCase)	no data	74 °C
Number of transistors	8,315 million	1,178 million
64 bit support	+	+
Windows 11 compatibility	no data	-

Compatibility

Information on EPYC 4345P and A12-9800 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	AM5	AM4
Power consumption (TDP)	65 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 4345P and A12-9800. You'll probably need this information if you require some particular technology.

AES-NI	+	+
FMA	-	+
AVX	+	+
FRTC	-	+
FreeSync	-	+
PowerTune	-	+
TrueAudio	-	+
PowerNow	-	+
PowerGating	-	+
VirusProtect	-	+
Precision Boost 2	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 4345P and A12-9800 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 4345P and A12-9800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5	DDR4-2400
Max memory channels	no data	2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare R7 Graphics and Graphics	AMD Radeon Graphics	AMD Radeon R7 Graphics
iGPU core count	no data	8
Enduro	-	+
UVD	-	+
VCE	-	+

Graphics interfaces

Available interfaces and connections of EPYC 4345P and A12-9800 integrated GPUs.

DisplayPort	-	+
HDMI	-	+

Graphics API support

APIs supported by EPYC 4345P and A12-9800 integrated GPUs, sometimes API versions are included.

DirectX	no data	DirectX® 12
Vulkan	-	+

Peripherals

Specifications and connection of peripherals supported by EPYC 4345P and A12-9800.

PCIe version	5.0	3.0
PCI Express lanes	24	8

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.

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Pros & cons summary

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Performance score	23.43	2.29
Recency	13 May 2025	27 July 2017
Physical cores	8	4
Threads	16	4
Chip lithography	4 nm	28 nm

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