EPYC 9655 vs Celeron N2940

Primary details

Comparing Celeron N2940 and EPYC 9655 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2740	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Celeron	no data
Power efficiency	8.89	no data
Architecture codename	Bay Trail-M (2013−2014)	Turin (2024)
Release date	22 May 2014 (10 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	no data	$11,852

Detailed specifications

Celeron N2940 and EPYC 9655 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)	96
Threads	4	192
Base clock speed	1.83 GHz	2.6 GHz
Boost clock speed	2.25 GHz	4.5 GHz
L1 cache	56K (per core)	80 KB (per core)
L2 cache	512K (per core)	1 MB (per core)
L3 cache	0 KB	384 MB (shared)
Chip lithography	22 nm	4 nm
Die size	no data	12x 70.6 mm2
Maximum core temperature	100 °C	no data
Number of transistors	no data	99,780 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Celeron N2940 and EPYC 9655 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	FCBGA1170	SP5
Power consumption (TDP)	7.5 Watt	400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron N2940 and EPYC 9655. You'll probably need this information if you require some particular technology.

AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Smart Connect	+	no data
Precision Boost 2	no data	+

Security technologies

Celeron N2940 and EPYC 9655 technologies aimed at improving security, for example, by protecting against hacks.

EDB	+	no data
Secure Key	+	no data
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron N2940 and EPYC 9655 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 N2940 and EPYC 9655. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5
Maximum memory size	8 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21.32 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Intel Atom® Processor Z3700 Series	N/A
Quick Sync Video	+	-
Graphics max frequency	854 MHz	no data

Graphics interfaces

Available interfaces and connections of Celeron N2940 and EPYC 9655 integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Celeron N2940 and EPYC 9655.

PCIe version	2.0	5.0
PCI Express lanes	4	128
USB revision	3.0 and 2.0	no data
Total number of SATA ports	2	no data
Number of USB ports	5	no data

Pros & cons summary

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Recency	22 May 2014	10 October 2024
Physical cores	4	96
Threads	4	192
Chip lithography	22 nm	4 nm
Power consumption (TDP)	7 Watt	400 Watt

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