EPYC 9455 vs Celeron 2955U

Primary details

Comparing Celeron 2955U and EPYC 9455 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2829	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Celeron	no data
Power efficiency	3.47	no data
Architecture codename	Haswell (2013−2015)	Turin (2024)
Release date	1 September 2013 (11 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	no data	$5,412

Detailed specifications

Celeron 2955U and EPYC 9455 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)	48 (Octatetraconta-Core)
Threads	2	96
Base clock speed	1.4 GHz	3.15 GHz
Boost clock speed	1.4 GHz	4.4 GHz
Bus rate	5 GT/s	no data
L1 cache	64K (per core)	80 KB (per core)
L2 cache	256K (per core)	1 MB (per core)
L3 cache	2 MB (shared)	192 MB (shared)
Chip lithography	22 nm	4 nm
Die size	118 mm2	6x 70.6 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	105 °C	no data
Number of transistors	1,400 million	49,890 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Celeron 2955U and EPYC 9455 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	FCBGA1168	SP5
Power consumption (TDP)	15 Watt	300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 2955U and EPYC 9455. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Smart Response	-	no data
GPIO	+	no data
Smart Connect	+	no data
FDI	-	no data
AMT	9.5	no data
Matrix Storage	-	no data
HD Audio	+	no data
RST	+	no data
Precision Boost 2	no data	+

Security technologies

Celeron 2955U and EPYC 9455 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
Secure Key	+	no data
OS Guard	-	no data
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 2955U and EPYC 9455 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 2955U and EPYC 9455. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5
Maximum memory size	16 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 4th Generation Intel® Processors	N/A
Clear Video	+	no data
Graphics max frequency	1 GHz	no data

Graphics interfaces

Available interfaces and connections of Celeron 2955U and EPYC 9455 integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-

Peripherals

Specifications and connection of peripherals supported by Celeron 2955U and EPYC 9455.

PCIe version	2.0	5.0
PCI Express lanes	10	128
PCI support	-	no data
USB revision	3.0	no data
Total number of SATA ports	2	no data
Max number of SATA 6 Gb/s Ports	2	no data
Integrated IDE	-	no data
Number of USB ports	4	no data
Integrated LAN	-	no data
UART	+	no data

Pros & cons summary

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Recency	1 September 2013	10 October 2024
Physical cores	2	48
Threads	2	96
Chip lithography	22 nm	4 nm
Power consumption (TDP)	15 Watt	300 Watt

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