EPYC 9645 vs Celeron G3900E

Primary details

Comparing Celeron G3900E and EPYC 9645 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2278	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.12	no data
Market segment	Laptop	Server
Series	Intel Celeron	no data
Power efficiency	3.46	no data
Architecture codename	Skylake (2015−2016)	Turin (2024)
Release date	2 January 2016 (8 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	$107	$11,048

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Celeron G3900E and EPYC 9645 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)	96
Threads	2	192
Base clock speed	no data	2.3 GHz
Boost clock speed	2.4 GHz	3.7 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	24	no data
L1 cache	128 KB	80 KB (per core)
L2 cache	512 KB	1 MB (per core)
L3 cache	2 MB	256 MB (shared)
Chip lithography	14 nm	3 nm
Die size	98.57 mm2	no data
Number of transistors	1750 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Celeron G3900E and EPYC 9645 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 (Uniprocessor)	2
Socket	no data	SP5
Power consumption (TDP)	35 Watt	320 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron G3900E and EPYC 9645. 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 G3900E and EPYC 9645 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 G3900E and EPYC 9645. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	LPDDR3-1866	DDR5
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	34.134 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel HD Graphics 510

N/A

Peripherals

Specifications and connection of peripherals supported by Celeron G3900E and EPYC 9645.

PCIe version	3.0	5.0
PCI Express lanes	16	128

Pros & cons summary

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Recency	2 January 2016	10 October 2024
Physical cores	2	96
Threads	2	192
Chip lithography	14 nm	3 nm
Power consumption (TDP)	35 Watt	320 Watt

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