EPYC 9745 vs Celeron M U3400

Primary details

Comparing Celeron M U3400 and EPYC 9745 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	3121	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Celeron M	no data
Power efficiency	1.52	no data
Architecture codename	Arrandale (2010−2011)	Turin (2024)
Release date	24 May 2010 (14 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	no data	$12,141

Detailed specifications

Celeron M U3400 and EPYC 9745 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)	128
Threads	2	256
Base clock speed	no data	2.4 GHz
Boost clock speed	1.06 GHz	3.7 GHz
Bus rate	2500 MHz	no data
L1 cache	no data	80 KB (per core)
L2 cache	512 KB	1 MB (per core)
L3 cache	2 MB	256 MB (shared)
Chip lithography	32 nm	3 nm
Die size	81+114 mm2	no data
Maximum core temperature	105 °C	no data
Number of transistors	382+177 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Celeron M U3400 and EPYC 9745 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	no data	2
Socket	BGA1288	SP5
Power consumption (TDP)	18 Watt	400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron M U3400 and EPYC 9745. You'll probably need this information if you require some particular technology.

AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
Fast Memory Access	+	no data
Precision Boost 2	no data	+

Security technologies

Celeron M U3400 and EPYC 9745 technologies aimed at improving security, for example, by protecting against hacks.

EDB

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron M U3400 and EPYC 9745 are enumerated here.

AMD-V	-	+
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron M U3400 and EPYC 9745. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

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 M U3400 and EPYC 9745.

PCIe version	no data	5.0
PCI Express lanes	no data	128

Pros & cons summary

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Recency	24 May 2010	10 October 2024
Physical cores	2	128
Threads	2	256
Chip lithography	32 nm	3 nm
Power consumption (TDP)	18 Watt	400 Watt

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