Xeon E-2478 vs D-2899NT

Primary details

Comparing Xeon D-2899NT and Xeon E-2478 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	313
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	Ice Lake-D (2022−2023)	Raptor Lake-S (2023−2024)
Release date	14 December 2023 (less than a year ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	$2,138	$568

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon D-2899NT 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	22 (Docosa-Core)	8 (Octa-Core)
Threads	44	16
Base clock speed	2.2 GHz	2.8 GHz
Boost clock speed	3.1 GHz	5.2 GHz
Bus rate	no data	16 GT/s
L1 cache	80 KB (per core)	80 KB (per core)
L2 cache	1.25 MB (per core)	2 MB (per core)
L3 cache	30 MB (shared)	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-2899NT 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	1	1
Socket	FCBGA2579	FCLGA1700
Power consumption (TDP)	135 Watt	80 Watt

Technologies and extensions

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

N/A

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon D-2899NT 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

---

Physical cores	22	8
Threads	44	16
Power consumption (TDP)	135 Watt	80 Watt

---

Should you still have questions on choice between Xeon D-2899NT and Xeon E-2478, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---