Xeon E3-1271 v3 vs Ultra 7 155H

VS

Aggregate performance score

Core Ultra 7 155H
2023
16 cores / 22 threads, 28 Watt
15.82
+234%
Xeon E3-1271 v3
2014
4 cores / 8 threads, 80 Watt
4.73

Core Ultra 7 155H outperforms Xeon E3-1271 v3 by a whopping 234% based on our aggregate benchmark results.

Primary details

Comparing Core Ultra 7 155H and Xeon E3-1271 v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking4331269
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
SeriesIntel Meteor Lake-Hno data
Power efficiency53.475.60
Architecture codenameMeteor Lake-H (2023)no data
Release date14 December 2023 (1 year ago)1 April 2014 (10 years ago)
Launch price (MSRP)$503no data

Detailed specifications

Core Ultra 7 155H and Xeon E3-1271 v3 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 cores16 (Hexadeca-Core)4 (Quad-Core)
Threads228
Base clock speed3.8 GHz3.6 GHz
Boost clock speed4.8 GHz4 GHz
Bus rateno data5 GT/s
L1 cache112 KB (per core)no data
L2 cache2 MB (per core)no data
L3 cache24 MB (shared)8 MB Intel® Smart Cache
Chip lithography7 nm22 nm
Maximum core temperature110 °Cno data
64 bit support++
Windows 11 compatibilityno data-

Compatibility

Information on Core Ultra 7 155H and Xeon E3-1271 v3 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 2049FCLGA1150
Power consumption (TDP)28 Watt80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 7 155H and Xeon E3-1271 v3. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX++
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
SIPP-+
Fast Memory Accessno data+

Security technologies

Core Ultra 7 155H and Xeon E3-1271 v3 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDBno data+
Secure Keyno data+
Identity Protection-+
OS Guardno data+
Anti-Theftno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 7 155H and Xeon E3-1271 v3 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 155H and Xeon E3-1271 v3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR3L-1333, DDR3L-1600
Maximum memory sizeno data32 GB
Max memory channelsno data2
Maximum memory bandwidthno data25.6 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel Arc 8-Cores iGPU ( - 2250 MHz)no data

Peripherals

Specifications and connection of peripherals supported by Core Ultra 7 155H and Xeon E3-1271 v3.

PCIe version5.03.0
PCI Express lanes816

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.

Ultra 7 155H 15.82
+234%
Xeon E3-1271 v3 4.73

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.

Ultra 7 155H 25131
+235%
Xeon E3-1271 v3 7510

Gaming performance

Pros & cons summary


Performance score 15.82 4.73
Recency 14 December 2023 1 April 2014
Physical cores 16 4
Threads 22 8
Chip lithography 7 nm 22 nm
Power consumption (TDP) 28 Watt 80 Watt

Ultra 7 155H has a 234.5% higher aggregate performance score, an age advantage of 9 years, 300% more physical cores and 175% more threads, a 214.3% more advanced lithography process, and 185.7% lower power consumption.

The Core Ultra 7 155H is our recommended choice as it beats the Xeon E3-1271 v3 in performance tests.

Be aware that Core Ultra 7 155H is a notebook processor while Xeon E3-1271 v3 is a server/workstation one.


Should you still have questions on choice between Core Ultra 7 155H and Xeon E3-1271 v3, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core Ultra 7 155H
Core Ultra 7 155H
Intel Xeon E3-1271 v3
Xeon E3-1271 v3

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Community ratings

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Questions & comments

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