EPYC 9555P vs Celeron E3400

Primary details

Comparing Celeron E3400 and EPYC 9555P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2827	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.72	no data
Market segment	Desktop processor	Server
Power efficiency	0.80	no data
Architecture codename	Wolfdale (2008−2010)	Turin (2024)
Release date	17 January 2010 (14 years ago)	10 October 2024 (recently)
Launch price (MSRP)	$76	$7,983

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Celeron E3400 and EPYC 9555P 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)	64 (Tetrahexaconta-Core)
Threads	2	128
Base clock speed	2.6 GHz	3.2 GHz
Boost clock speed	2.6 GHz	4.4 GHz
L1 cache	64 KB (per core)	80 KB (per core)
L2 cache	1 MB (shared)	1 MB (per core)
L3 cache	0 KB	256 MB (shared)
Chip lithography	45 nm	4 nm
Die size	82 mm2	8x 70.6 mm2
Maximum core temperature	74 °C	no data
Number of transistors	228 million	66,520 million
64 bit support	+	+
Windows 11 compatibility	-	no data
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Celeron E3400 and EPYC 9555P 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	1
Socket	LGA775	SP5
Power consumption (TDP)	65 Watt	360 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron E3400 and EPYC 9555P. 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
Thermal Monitoring	+	-
Precision Boost 2	no data	+

Security technologies

Celeron E3400 and EPYC 9555P technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron E3400 and EPYC 9555P 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 E3400 and EPYC 9555P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Celeron E3400 and EPYC 9555P.

PCIe version	2.0	5.0
PCI Express lanes	no data	128

Pros & cons summary

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Recency	17 January 2010	10 October 2024
Physical cores	2	64
Threads	2	128
Chip lithography	45 nm	4 nm
Power consumption (TDP)	65 Watt	360 Watt

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Should you still have questions on choice between Celeron E3400 and EPYC 9555P, ask them in Comments section, and we shall answer.

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