Xeon w5-2555X vs i7-1255U

VS

Aggregate performance score

Core i7-1255U
2022
10 cores / 12 threads, 15 Watt
8.53
Xeon w5-2555X
2024
14 cores / 28 threads, 252 Watt
32.68
+283%

Xeon w5-2555X outperforms Core i7-1255U by a whopping 283% based on our aggregate benchmark results.

Primary details

Comparing Core i7-1255U and Xeon w5-2555X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking895122
Place by popularity74not in top-100
Market segmentLaptopServer
SeriesIntel Alder Lake-Mno data
Power efficiency53.8212.27
Architecture codenameAlder Lake-U (2022)no data
Release date23 February 2022 (2 years ago)1 July 2024 (less than a year ago)

Detailed specifications

Core i7-1255U and Xeon w5-2555X 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 cores10 (Deca-Core)14 (Tetradeca-Core)
Threads1228
Base clock speed1.7 GHz3.3 GHz
Boost clock speed4.7 GHz4.8 GHz
L1 cache80K (per core)no data
L2 cache1.25 MB (per core)no data
L3 cache12 MB (shared)33.75 MB Intel® Smart Cache
Chip lithographyIntel 7 nmIntel 7 nm
Maximum core temperature100 °C75 °C
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier-+

Compatibility

Information on Core i7-1255U and Xeon w5-2555X 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
SocketFCBGA1744FCLGA4677
Power consumption (TDP)15 Watt252 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-1255U and Xeon w5-2555X. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
FMA+-
AVX+-
Enhanced SpeedStep (EIST)++
Speed Shift++
Turbo Boost Technologyno data2.0
Hyper-Threading Technology++
TSX++
Thermal Monitoring+-
Flex Memory Access+no data
Turbo Boost Max 3.0no data+
Deep Learning Boost++

Security technologies

Core i7-1255U and Xeon w5-2555X technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key+no data
SGXno data-
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-1255U and Xeon w5-2555X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-1255U and Xeon w5-2555X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR5DDR5-4800
Maximum memory size64 GB2 TB
Max memory channels24
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® Iris® Xe Graphics eligibleno data
Quick Sync Video+-
Graphics max frequency1.25 GHzno data
Execution Units96no data

Graphics interfaces

Available interfaces and connections of Core i7-1255U and Xeon w5-2555X integrated GPUs.

Number of displays supported4no data

Graphics image quality

Maximum display resolutions supported by Core i7-1255U and Xeon w5-2555X integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2304 @ 60Hzno data
Max resolution over eDP4096 x 2304 @ 120Hzno data
Max resolution over DisplayPort7680 x 4320 @ 60Hzno data

Graphics API support

APIs supported by Core i7-1255U and Xeon w5-2555X integrated GPUs, sometimes API versions are included.

DirectX12.1no data
OpenGL4.6no data

Peripherals

Specifications and connection of peripherals supported by Core i7-1255U and Xeon w5-2555X.

PCIe version4.05.0
PCI Express lanes2064

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.

i7-1255U 8.53
Xeon w5-2555X 32.68
+283%

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.

i7-1255U 13545
Xeon w5-2555X 51912
+283%

Gaming performance

Pros & cons summary


Performance score 8.53 32.68
Recency 23 February 2022 1 July 2024
Physical cores 10 14
Threads 12 28
Power consumption (TDP) 15 Watt 252 Watt

i7-1255U has 1580% lower power consumption.

Xeon w5-2555X, on the other hand, has a 283.1% higher aggregate performance score, an age advantage of 2 years, and 40% more physical cores and 133.3% more threads.

The Xeon w5-2555X is our recommended choice as it beats the Core i7-1255U in performance tests.

Be aware that Core i7-1255U is a notebook processor while Xeon w5-2555X is a server/workstation one.


Should you still have questions on choice between Core i7-1255U and Xeon w5-2555X, ask them in Comments section, and we shall answer.

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Intel Core i7-1255U
Core i7-1255U
Intel Xeon w5-2555X
Xeon w5-2555X

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