Intel Xeon E-2478: specs and benchmarks

Summary

Intel started Xeon E-2478 sales 14 December 2023 at a recommended price of $568. This is a Raptor Lake-S architecture desktop processor primarily aimed at office systems. It has 8 cores and 16 threads, and is based on Intel 7 manufacturing technology, with a maximum frequency of 5200 MHz and a locked multiplier.

Compatibility-wise, this is FCLGA1700 processor with a TDP of 80 Watt. It supports DDR5-4800 memory.

Primary details

Xeon E-2478 processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in the ranking	314
Place by popularity	not in top-100
Cost-effectiveness evaluation	82.64
Market segment	Server
Power efficiency	22.22	of 100.00 (Core Ultra 7 164U)
Architecture codename	Raptor Lake-S (2023−2024)
Release date	14 December 2023 (less than a year ago)
Launch price (MSRP)	$568	of 17,906 (Xeon Platinum 8280L)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores	8 (Octa-Core)
Threads	16
Base clock speed	2.8 GHz	of 4.7 GHz (Ryzen 9 7900X)
Boost clock speed	5.2 GHz	of 6.2 GHz (Core i9-14900KS)
Bus rate	16 GT/s
L1 cache	80 KB (per core)	of 80 KB (EPYC 9965)
L2 cache	2 MB (per core)	of 2 MB (Xeon 6980P)
L3 cache	24 MB (shared)	of 1152 MB (EPYC 9684X)
Chip lithography	Intel 7 nm	of 3 nm (Core Ultra 9 285K)
Die size	257 mm2
Maximum core temperature	100 °C	of 110 °C (Core Ultra 9 185H)
64 bit support	+

Compatibility

Information on Xeon E-2478 compatibility with other computer components and devices: 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	of 8 (Xeon Platinum 8454H)
Socket	FCLGA1700
Power consumption (TDP)	80 Watt	of 3100 ‑ 4500 (Ryzen 7 7435H)

Technologies and extensions

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

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+
AVX	+
Enhanced SpeedStep (EIST)	+
Turbo Boost Technology	2
Hyper-Threading Technology	+
Idle States	+
Thermal Monitoring	+
Turbo Boost Max 3.0	+

Security technologies

Processor technologies aimed at improving security, for example, by protecting against hacks.

TXT	+
EDB	+
Secure Key	+
OS Guard	+

Virtualization technologies

Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.

VT-d	+
VT-x	+
EPT	+

Memory specs

Types, maximum amount and channel number of RAM supported by Xeon E-2478's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory types	DDR5-4800
Maximum memory size	128 GB	of 6 TiB (EPYC 9654)
Max memory channels	2	of 12 (Xeon Platinum 9221)
ECC memory support	+

Graphics specifications

General parameters of a GPU integrated into Xeon E-2478.

Integrated graphics card

N/A

Peripherals

Specifications and connection types of supported peripherals.

PCIe version	5
PCI Express lanes	16	of 128 (EPYC 9655P)

Benchmark performance

Single-core and multi-core benchmark results of Xeon E-2478. Overall benchmark performance is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Closest competitors

Xeon E-2478's performance relative to its closest rivals among server CPUs.

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