EPYC 9255 vs Celeron J4025

Primary details

Comparing Celeron J4025 and EPYC 9255 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2526	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.67	no data
Market segment	Desktop processor	Server
Power efficiency	8.80	no data
Architecture codename	Gemini Lake Refresh (2019)	Turin (2024)
Release date	4 November 2019 (5 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	$107	$2,495

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Celeron J4025 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	2 (Dual-core)	24 (Tetracosa-Core)
Threads	2	48
Base clock speed	2 GHz	3.25 GHz
Boost clock speed	2.9 GHz	4.8 GHz
L1 cache	56 KB (per core)	80 KB (per core)
L2 cache	4 MB (shared)	1 MB (per core)
L3 cache	no data	128 MB (shared)
Chip lithography	14 nm	4 nm
Die size	93 mm2	4x 70.6 mm2
Maximum core temperature	105 °C	no data
Number of transistors	no data	33,260 million
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Celeron J4025 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	Intel BGA 1090	SP5
Power consumption (TDP)	10 Watt	200 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron J4025 and EPYC 9255. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Precision Boost 2	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron J4025 and EPYC 9255 are enumerated here.

AMD-V	-	+
VT-d	+	no data
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron J4025 and EPYC 9255. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR4

DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel UHD Graphics 600 (250 - 700 MHz)

N/A

Peripherals

Specifications and connection of peripherals supported by Celeron J4025 and EPYC 9255.

PCIe version	2.0	5.0
PCI Express lanes	6	128

Pros & cons summary

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Recency	4 November 2019	10 October 2024
Physical cores	2	24
Threads	2	48
Chip lithography	14 nm	4 nm
Power consumption (TDP)	10 Watt	200 Watt

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