EPYC 9645 vs Xeon D-2899NT

Primary details

Comparing Xeon D-2899NT and EPYC 9645 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Architecture codename	Ice Lake-D (2022−2023)	Turin (2024)
Release date	14 December 2023 (less than a year ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	$2,138	$11,048

Detailed specifications

Xeon D-2899NT and EPYC 9645 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	22 (Docosa-Core)	96
Threads	44	192
Base clock speed	2.2 GHz	2.3 GHz
Boost clock speed	3.1 GHz	3.7 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)	256 MB (shared)
Chip lithography	10 nm	3 nm
64 bit support	+	+

Compatibility

Information on Xeon D-2899NT and EPYC 9645 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)	135 Watt	320 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-2899NT and EPYC 9645. 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-2899NT and EPYC 9645 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-2899NT and EPYC 9645 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-2899NT and EPYC 9645. 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-2899NT and EPYC 9645.

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	14 December 2023	10 October 2024
Physical cores	22	96
Threads	44	192
Chip lithography	10 nm	3 nm
Power consumption (TDP)	135 Watt	320 Watt

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