Intel Xeon w7-3455: specs and benchmarks

Summary

Intel started Xeon w7-3455 sales 1 January 2023. This is a Sapphire Rapids architecture desktop processor primarily aimed at professional systems. It has 24 cores and 48 threads, and is based on Intel 7 manufacturing technology, with a maximum frequency of 4800 MHz and a locked multiplier.

Compatibility-wise, this is FCLGA4677 processor with a TDP of 270 Watt and a maximum temperature of 72 °C. It supports DDR5-4800 memory.

Primary Details

Xeon w7-3455 processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in performance ranking	83
Place by popularity	not in top-100
Market segment	Server
Architecture codename	Sapphire Rapids
Release date	1 January 2023 (1 year ago)

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	24 (Tetracosa-Core)
Threads	48
Base clock speed	2.5 GHz	of 4.7 (Ryzen 9 7900X)
Boost clock speed	4.8 GHz	of 6.2 (Core i9-14900KS)
L1 cache	80K (per core)	of 7475.2 (Apple M2 Pro 10-Core)
L2 cache	2 MB (per core)	of 96 (Ryzen Threadripper PRO 7995WX)
L3 cache	67.5 MB	of 768 (EPYC 7773X)
Chip lithography	Intel 7 nm	of 3 (Apple M3 Max 16-Core)
Die size	4x 477 mm2
Maximum core temperature	72 °C	of 110 (Core Ultra 7 165H)
Maximum case temperature (TCase)	72 °C	of 105 (Core i7-5950HQ)
64 bit support	+
Windows 11 compatibility	+
Unlocked multiplier	No

Compatibility

Information on Xeon w7-3455 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	FCLGA4677
Power consumption (TDP)	270 Watt	of 400 (Xeon Platinum 9282)

Technologies and extensions

Technological capabilities and additional instructions supported by Xeon w7-3455. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+
AVX	+
vPro	+
Enhanced SpeedStep (EIST)	+
Speed Shift	+
Turbo Boost Technology	2.0
Hyper-Threading Technology	+
TSX	+
Turbo Boost Max 3.0	+
Status	Launched

Security technologies

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

TXT	+
EDB	+
SGX	-
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 w7-3455's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory types	DDR5-4800
Maximum memory size	4 TB	of 786 (Xeon E5-2670 v3)
Max memory channels	8	of 12 (Xeon Platinum 9221)
ECC memory support	+

Peripherals

Specifications and connection types of supported peripherals.

PCIe version	5.0
PCI Express lanes	112	of 128 (EPYC 9654)

Benchmark performance

Single-core and multi-core benchmark results of Xeon w7-3455. 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.

Relative performance

Overall Xeon w7-3455 performance compared to nearest competitors among server CPUs.

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