Xeon E-2478 vs D-2798NX

Primary details

Comparing Xeon D-2798NX and Xeon E-2478 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	319
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	82.67
Market segment	Server	Server
Power efficiency	no data	22.22
Architecture codename	no data	Raptor Lake-S (2023−2024)
Release date	1 July 2022 (2 years ago)	14 December 2023 (1 year ago)
Launch price (MSRP)	no data	$568

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon D-2798NX and Xeon E-2478 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)	8 (Octa-Core)
Threads	40	16
Base clock speed	2.1 GHz	2.8 GHz
Boost clock speed	3.1 GHz	5.2 GHz
Bus rate	no data	16 GT/s
L1 cache	no data	80 KB (per core)
L2 cache	no data	2 MB (per core)
L3 cache	30 MB	24 MB (shared)
Chip lithography	10 nm	Intel 7 nm
Die size	no data	257 mm2
Maximum core temperature	no data	100 °C
64 bit support	+	+

Compatibility

Information on Xeon D-2798NX and Xeon E-2478 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	1
Socket	FCBGA2579	FCLGA1700
Power consumption (TDP)	126 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-2798NX and Xeon E-2478. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
QuickAssist	+	no data
Turbo Boost Technology	2.0	2
Hyper-Threading Technology	+	+
Idle States	no data	+
Thermal Monitoring	+	+
Turbo Boost Max 3.0	no data	+
Deep Learning Boost	+	-

Security technologies

Xeon D-2798NX and Xeon E-2478 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
SGX	Yes with Intel® SPS	no data
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon D-2798NX and Xeon E-2478 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon D-2798NX and Xeon E-2478. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5-4800
Maximum memory size	1 TB	128 GB
Max memory channels	4	2
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon D-2798NX and Xeon E-2478.

PCIe version	4.0	5
PCI Express lanes	32	16
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	1 July 2022	14 December 2023
Physical cores	20	8
Threads	40	16
Power consumption (TDP)	126 Watt	80 Watt

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Should you still have questions on choice between Xeon D-2798NX and Xeon E-2478, ask them in Comments section, and we shall answer.

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