EPYC 9455 vs PRO A4-8350B

Primary details

Comparing PRO A4-8350B and EPYC 9455 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2448	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Power efficiency	1.51	no data
Architecture codename	Kaveri (2014−2015)	Turin (2024)
Release date	29 September 2015 (9 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	no data	$5,412

Detailed specifications

PRO A4-8350B and EPYC 9455 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	2 (Dual-core)	48 (Octatetraconta-Core)
Threads	2	96
Base clock speed	3.5 GHz	3.15 GHz
Boost clock speed	3.9 GHz	4.4 GHz
L1 cache	no data	80 KB (per core)
L2 cache	1024 KB	1 MB (per core)
L3 cache	no data	192 MB (shared)
Chip lithography	28 nm	4 nm
Die size	245 mm2	6x 70.6 mm2
Maximum core temperature	71 °C	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	2,411 million	49,890 million
64 bit support	+	+

Compatibility

Information on PRO A4-8350B and EPYC 9455 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	FM2+	SP5
Power consumption (TDP)	65 Watt	300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by PRO A4-8350B and EPYC 9455. You'll probably need this information if you require some particular technology.

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

Virtualization technologies

Virtual machine speed-up technologies supported by PRO A4-8350B and EPYC 9455 are enumerated here.

AMD-V	+	+
IOMMU 2.0	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by PRO A4-8350B and EPYC 9455. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1866	DDR5
Max memory channels	2	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon R5 Graphics	N/A
iGPU core count	4	no data
จำนวนพาธไลน์	256	no data
Enduro	+	-
Switchable graphics	+	-
UVD	+	-
VCE	+	-

Graphics interfaces

Available interfaces and connections of PRO A4-8350B and EPYC 9455 integrated GPUs.

DisplayPort	+	-
HDMI	+	-

Graphics API support

APIs supported by PRO A4-8350B and EPYC 9455 integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 12	no data
Vulkan	+	-

Peripherals

Specifications and connection of peripherals supported by PRO A4-8350B and EPYC 9455.

PCIe version	3.0	5.0
PCI Express lanes	16	128

Pros & cons summary

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Recency	29 September 2015	10 October 2024
Physical cores	2	48
Threads	2	96
Chip lithography	28 nm	4 nm
Power consumption (TDP)	65 Watt	300 Watt

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