Xeon E3-1271 v3 vs E5-2667 v2

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Aggregate performance score

Xeon E5-2667 v2
2013
8 cores / 16 threads, 130 Watt
7.73
+63.4%
Xeon E3-1271 v3
2014
4 cores / 8 threads, 80 Watt
4.73

Xeon E5-2667 v2 outperforms Xeon E3-1271 v3 by an impressive 63% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5-2667 v2 and Xeon E3-1271 v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking9621269
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.08no data
Market segmentServerServer
Power efficiency5.625.59
Architecture codenameIvy Bridge-EP (2013)no data
Release date1 September 2013 (11 years ago)1 April 2014 (10 years ago)
Launch price (MSRP)$2,300no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E5-2667 v2 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 cores8 (Octa-Core)4 (Quad-Core)
Threads168
Base clock speed3.3 GHz3.6 GHz
Boost clock speed4 GHz4 GHz
Bus rate8 GT/s5 GT/s
L1 cache64 KB (per core)no data
L2 cache256 KB (per core)no data
L3 cache20 MB (shared)8 MB Intel® Smart Cache
Chip lithography22 nm22 nm
Die size160 mm2no data
Maximum core temperature74 °Cno data
Number of transistors1,400 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon E5-2667 v2 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 configuration21
SocketFCLGA2011FCLGA1150
Power consumption (TDP)130 Watt80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2667 v2 and Xeon E3-1271 v3. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX+-
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX-+
Idle States++
Thermal Monitoring++
Flex Memory Access-+
SIPP-+
Demand Based Switching+no data
PAE46 Bitno data
Fast Memory Accessno data+

Security technologies

Xeon E5-2667 v2 and Xeon E3-1271 v3 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
Identity Protection-+
OS Guard++
Anti-Theftno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2667 v2 and Xeon E3-1271 v3 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2667 v2 and Xeon E3-1271 v3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3L-1333, DDR3L-1600
Maximum memory size768 GB32 GB
Max memory channels42
Maximum memory bandwidth59.7 GB/s25.6 GB/s
ECC memory support++

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2667 v2 and Xeon E3-1271 v3.

PCIe version3.03.0
PCI Express lanes4016

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 E5-2667 v2 7.73
+63.4%
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.

Xeon E5-2667 v2 12282
+63.5%
Xeon E3-1271 v3 7510

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Xeon E5-2667 v2 644
Xeon E3-1271 v3 1189
+84.6%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Xeon E5-2667 v2 4012
+4.6%
Xeon E3-1271 v3 3834

Gaming performance

Pros & cons summary


Performance score 7.73 4.73
Recency 1 September 2013 1 April 2014
Physical cores 8 4
Threads 16 8
Power consumption (TDP) 130 Watt 80 Watt

Xeon E5-2667 v2 has a 63.4% higher aggregate performance score, and 100% more physical cores and 100% more threads.

Xeon E3-1271 v3, on the other hand, has an age advantage of 7 months, and 62.5% lower power consumption.

The Xeon E5-2667 v2 is our recommended choice as it beats the Xeon E3-1271 v3 in performance tests.


Should you still have questions on choice between Xeon E5-2667 v2 and Xeon E3-1271 v3, ask them in Comments section, and we shall answer.

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Intel Xeon E5-2667 v2
Xeon E5-2667 v2
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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