Xeon E3-1276 v3 vs E3-1270 v3

Aggregate performance score

Xeon E3-1270 v3
2013
4 cores / 8 threads, 80 Watt
4.58
Xeon E3-1276 v3
2014
4 cores / 8 threads, 84 Watt
4.72
+3.1%

Xeon E3-1276 v3 outperforms Xeon E3-1270 v3 by a minimal 3% based on our aggregate benchmark results.

Primary details

Comparing Xeon E3-1270 v3 and Xeon E3-1276 v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking13051270
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.32no data
Market segmentServerServer
Power efficiency5.425.32
Architecture codenameHaswell-WS (2013−2014)no data
Release date2 June 2013 (11 years ago)1 April 2014 (10 years ago)
Launch price (MSRP)$370no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E3-1270 v3 and Xeon E3-1276 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 cores4 (Quad-Core)4 (Quad-Core)
Threads88
Base clock speed3.5 GHz3.6 GHz
Boost clock speed3.9 GHz4 GHz
Bus rate5 GT/s5 GT/s
L1 cache64 KB (per core)no data
L2 cache256 KB (per core)no data
L3 cache8192 KB (shared)8 MB Intel® Smart Cache
Chip lithography22 nm22 nm
Die size160 mm2no data
Number of transistors1,400 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon E3-1270 v3 and Xeon E3-1276 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
SocketFCLGA1150FCLGA1150
Power consumption (TDP)80 Watt84 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1270 v3 and Xeon E3-1276 v3. 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® SSE4.2, Intel® AVX2
AES-NI++
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle States++
Thermal Monitoring++
Flex Memory Access++
SIPP++
FDIno data+
Fast Memory Access++

Security technologies

Xeon E3-1270 v3 and Xeon E3-1276 v3 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
Identity Protection++
OS Guard++
Anti-Theft++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1270 v3 and Xeon E3-1276 v3 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1270 v3 and Xeon E3-1276 v3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR3L-1333, DDR3L-1600
Maximum memory size32 GB32 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/s25.6 GB/s
ECC memory support++

Graphics specifications

General parameters of integrated GPUs, if any.

Max video memoryno data1.7 GB
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data1.25 GHz
Execution Unitsno data20
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Xeon E3-1270 v3 and Xeon E3-1276 v3 integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
VGAno data+

Graphics image quality

Maximum display resolutions supported by Xeon E3-1270 v3 and Xeon E3-1276 v3 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data3840x2160@60Hz
Max resolution over DisplayPortno data3840x2160@60Hz
Max resolution over VGAno data2880x1800@60Hz

Graphics API support

APIs supported by Xeon E3-1270 v3 and Xeon E3-1276 v3 integrated GPUs, sometimes API versions are included.

DirectXno data11.2
OpenGLno data4.3

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1270 v3 and Xeon E3-1276 v3.

PCIe version3.03.0
PCI Express lanes1616

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 E3-1270 v3 4.58
Xeon E3-1276 v3 4.72
+3.1%

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 E3-1270 v3 7273
Xeon E3-1276 v3 7505
+3.2%

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 E3-1270 v3 1229
Xeon E3-1276 v3 1267
+3.1%

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 E3-1270 v3 3903
Xeon E3-1276 v3 4007
+2.7%

Gaming performance

Pros & cons summary


Performance score 4.58 4.72
Recency 2 June 2013 1 April 2014
Power consumption (TDP) 80 Watt 84 Watt

Xeon E3-1270 v3 has 5% lower power consumption.

Xeon E3-1276 v3, on the other hand, has a 3.1% higher aggregate performance score, and an age advantage of 9 months.

Given the minimal performance differences, no clear winner can be declared between Xeon E3-1270 v3 and Xeon E3-1276 v3.


Should you still have questions on choice between Xeon E3-1270 v3 and Xeon E3-1276 v3, ask them in Comments section, and we shall answer.

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Intel Xeon E3-1270 v3
Xeon E3-1270 v3
Intel Xeon E3-1276 v3
Xeon E3-1276 v3

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Community ratings

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