EPYC 9255 vs A12-9800

Primary details

Comparing A12-9800 and EPYC 9255 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1809	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.44	no data
Market segment	Desktop processor	Server
Power efficiency	3.31	no data
Architecture codename	Bristol Ridge (2016−2019)	Turin (2024)
Release date	27 July 2017 (7 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	$139	$2,495

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

A12-9800 and EPYC 9255 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)	24 (Tetracosa-Core)
Threads	4	48
Base clock speed	3.8 GHz	3.25 GHz
Boost clock speed	4.2 GHz	4.8 GHz
L1 cache	no data	80 KB (per core)
L2 cache	2048 KB	1 MB (per core)
L3 cache	0 KB	128 MB (shared)
Chip lithography	28 nm	4 nm
Die size	246 mm2	4x 70.6 mm2
Maximum core temperature	90 °C	no data
Maximum case temperature (TCase)	74 °C	no data
Number of transistors	1,178 million	33,260 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on A12-9800 and EPYC 9255 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	2
Socket	AM4	SP5
Power consumption (TDP)	65 Watt	200 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A12-9800 and EPYC 9255. 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 A12-9800 and EPYC 9255 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by A12-9800 and EPYC 9255. Depending on the motherboard, higher memory frequencies may be supported.

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

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon R7 Graphics	N/A
iGPU core count	8	no data
Enduro	+	-
UVD	+	-
VCE	+	-

Graphics interfaces

Available interfaces and connections of A12-9800 and EPYC 9255 integrated GPUs.

DisplayPort	+	-
HDMI	+	-

Graphics API support

APIs supported by A12-9800 and EPYC 9255 integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 12	no data
Vulkan	+	-

Peripherals

Specifications and connection of peripherals supported by A12-9800 and EPYC 9255.

PCIe version	3.0	5.0
PCI Express lanes	8	128

Pros & cons summary

---

Recency	27 July 2017	10 October 2024
Physical cores	4	24
Threads	4	48
Chip lithography	28 nm	4 nm
Power consumption (TDP)	65 Watt	200 Watt

---

Should you still have questions on choice between A12-9800 and EPYC 9255, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---