EPYC 9455 vs Xeon D-2799

Primary details

Comparing Xeon D-2799 and EPYC 9455 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	256	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	28.12	no data
Market segment	Server	Server
Power efficiency	15.52	no data
Architecture codename	Ice Lake-D (2022−2023)	Turin (2024)
Release date	24 February 2022 (2 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	$1,972	$5,412

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon D-2799 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	20 (Icosa-Core)	48 (Octatetraconta-Core)
Threads	40	96
Base clock speed	2.4 GHz	3.15 GHz
Boost clock speed	3.4 GHz	4.4 GHz
L1 cache	80 KB (per core)	80 KB (per core)
L2 cache	1.25 MB (per core)	1 MB (per core)
L3 cache	30 MB (shared)	192 MB (shared)
Chip lithography	10 nm	4 nm
Die size	no data	6x 70.6 mm2
Number of transistors	no data	49,890 million
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Xeon D-2799 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	FCBGA2579	SP5
Power consumption (TDP)	129 Watt	300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-2799 and EPYC 9455. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX-512	no data
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
QuickAssist	-	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Thermal Monitoring	+	-
Precision Boost 2	no data	+
Deep Learning Boost	+	-

Security technologies

Xeon D-2799 and EPYC 9455 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
SGX	Yes with Intel® SPS	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon D-2799 and EPYC 9455 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 Xeon D-2799 and EPYC 9455. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5
Maximum memory size	1 TB	no data
Max memory channels	4	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon D-2799 and EPYC 9455.

PCIe version	4.0	5.0
PCI Express lanes	32	128
USB revision	3.0	no data
Max number of SATA 6 Gb/s Ports	24	no data
Number of USB ports	4	no data
Integrated LAN	-	no data

Pros & cons summary

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Recency	24 February 2022	10 October 2024
Physical cores	20	48
Threads	40	96
Chip lithography	10 nm	4 nm
Power consumption (TDP)	129 Watt	300 Watt

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