Xeon w7-3455 vs i7-1255U

VS

Aggregate performance score

Core i7-1255U
2022
10 cores / 12 threads, 15 Watt
8.53
Xeon w7-3455
2023
24 cores / 48 threads, 270 Watt
36.76
+331%

Xeon w7-3455 outperforms Core i7-1255U by a whopping 331% based on our aggregate benchmark results.

Primary details

Comparing Core i7-1255U and Xeon w7-3455 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking89692
Place by popularity74not in top-100
Cost-effectiveness evaluationno data41.68
Market segmentLaptopServer
SeriesIntel Alder Lake-Mno data
Power efficiency53.7812.88
Architecture codenameAlder Lake-U (2022)Sapphire Rapids (2023−2024)
Release date23 February 2022 (2 years ago)15 February 2023 (1 year ago)
Launch price (MSRP)no data$2,489

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-1255U and Xeon w7-3455 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)24 (Tetracosa-Core)
Threads1248
Base clock speed1.7 GHz2.5 GHz
Boost clock speed4.7 GHz4.8 GHz
L1 cache80K (per core)80 KB (per core)
L2 cache1.25 MB (per core)2 MB (per core)
L3 cache12 MB (shared)67.5 MB
Chip lithography10 nmIntel 7 nm
Die sizeno data4x 477 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Core i7-1255U and Xeon w7-3455 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
SocketIntel BGA 1744FCLGA4677
Power consumption (TDP)15 Watt270 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-1255U and Xeon w7-3455. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
FMA+-
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX++
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Core i7-1255U and Xeon w7-3455 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDBno data+
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-1255U and Xeon w7-3455 are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-1255U and Xeon w7-3455. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR5DDR5-4800
Maximum memory sizeno data4 TB
Max memory channelsno data8
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel Iris Xe Graphics G7 96EUs ( - 1250 MHz)N/A

Peripherals

Specifications and connection of peripherals supported by Core i7-1255U and Xeon w7-3455.

PCIe version4.05.0
PCI Express lanes20112

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 w7-3455 36.76
+331%

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 13544
Xeon w7-3455 58393
+331%

Gaming performance

Pros & cons summary


Performance score 8.53 36.76
Recency 23 February 2022 15 February 2023
Physical cores 10 24
Threads 12 48
Power consumption (TDP) 15 Watt 270 Watt

i7-1255U has 1700% lower power consumption.

Xeon w7-3455, on the other hand, has a 330.9% higher aggregate performance score, an age advantage of 11 months, and 140% more physical cores and 300% more threads.

The Xeon w7-3455 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 w7-3455 is a server/workstation one.


Should you still have questions on choice between Core i7-1255U and Xeon w7-3455, 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.


Intel Core i7-1255U
Core i7-1255U
Intel Xeon w7-3455
Xeon w7-3455

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