Xeon E-2456 vs w5-2455X

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Aggregate performance score

Xeon w5-2455X
2023
12 cores / 24 threads, 200 Watt
23.77
+58.9%
Xeon E-2456
2023
6 cores / 12 threads, 80 Watt
14.96

Xeon w5-2455X outperforms Xeon E-2456 by an impressive 59% based on our aggregate benchmark results.

Primary details

Comparing Xeon w5-2455X and Xeon E-2456 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking217475
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation62.0993.22
Market segmentServerServer
Power efficiency11.2517.70
Architecture codenameSapphire Rapids (2023−2024)Raptor Lake-S (2023−2024)
Release date15 February 2023 (1 year ago)14 December 2023 (1 year ago)
Launch price (MSRP)$1,039$375

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E-2456 has 50% better value for money than Xeon w5-2455X.

Detailed specifications

Xeon w5-2455X and Xeon E-2456 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 cores12 (Dodeca-Core)6 (Hexa-Core)
Threads2412
Base clock speed3.2 GHz3.3 GHz
Boost clock speed4.6 GHz5.1 GHz
Bus rateno data16 GT/s
L1 cache80 KB (per core)80 KB (per core)
L2 cache2 MB (per core)1.25 MB (per core)
L3 cache30 MB18 MB (shared)
Chip lithographyIntel 7 nmIntel 7 nm
Die sizeno data163 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)77 °Cno data
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Xeon w5-2455X and Xeon E-2456 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 configuration11
SocketFCLGA4677FCLGA1700
Power consumption (TDP)200 Watt80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon w5-2455X and Xeon E-2456. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
Speed Shift+no data
Turbo Boost Technology2.02
Hyper-Threading Technology++
TSX+-
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0+-
Deep Learning Boost+-

Security technologies

Xeon w5-2455X and Xeon E-2456 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Keyno data+
SGX-no data
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon w5-2455X and Xeon E-2456 are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon w5-2455X and Xeon E-2456. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-4800DDR5-4800
Maximum memory size2 TB128 GB
Max memory channels42
ECC memory support++

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AN/A

Peripherals

Specifications and connection of peripherals supported by Xeon w5-2455X and Xeon E-2456.

PCIe version5.05
PCI Express lanes6416

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


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.

Xeon w5-2455X 23.77
+58.9%
Xeon E-2456 14.96

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Xeon w5-2455X 37759
+58.9%
Xeon E-2456 23770

Gaming performance

Pros & cons summary


Performance score 23.77 14.96
Recency 15 February 2023 14 December 2023
Physical cores 12 6
Threads 24 12
Power consumption (TDP) 200 Watt 80 Watt

Xeon w5-2455X has a 58.9% higher aggregate performance score, and 100% more physical cores and 100% more threads.

Xeon E-2456, on the other hand, has an age advantage of 9 months, and 150% lower power consumption.

The Xeon w5-2455X is our recommended choice as it beats the Xeon E-2456 in performance tests.


Should you still have questions on choice between Xeon w5-2455X and Xeon E-2456, ask them in Comments section, and we shall answer.

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Intel Xeon w5-2455X
Xeon w5-2455X
Intel Xeon E-2456
Xeon E-2456

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Community ratings

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Questions & comments

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