Xeon E5-2670 v4 vs E3-1281 v3

Primary details

Comparing Xeon E3-1281 v3 and Xeon E5-2670 v4 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1269not rated
Place by popularitynot in top-100not in top-100
Market segmentServerServer
Seriesno dataIntel Xeon E5
Power efficiency5.42no data
Architecture codenameno dataBroadwell (2015−2019)
Release date1 April 2014 (10 years ago)20 June 2016 (8 years ago)

Detailed specifications

Xeon E3-1281 v3 and Xeon E5-2670 v4 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)14 (Tetradeca-Core)
Threads828
Base clock speed3.7 GHzno data
Boost clock speed4.1 GHz3.1 GHz
Bus typeno dataQPI
Bus rate5 GT/s2 × 9.6 GT/s
Multiplierno data31
L2 cacheno data3.5 MB
L3 cache8 MB Intel® Smart Cache35 MB
Chip lithography22 nm14 nm
Die sizeno data306.18 mm2
Number of transistorsno data4700 Million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon E3-1281 v3 and Xeon E5-2670 v4 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 configuration12 (Multiprocessor)
SocketFCLGA1150no data
Power consumption (TDP)82 Watt120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1281 v3 and Xeon E5-2670 v4. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI++
AVX-+
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX++
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
SIPP+-
Fast Memory Access+no data

Security technologies

Xeon E3-1281 v3 and Xeon E5-2670 v4 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB+no data
Secure Key+no data
Identity Protection+-
OS Guard+no data
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1281 v3 and Xeon E5-2670 v4 are enumerated here.

VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1281 v3 and Xeon E5-2670 v4. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3L-1333, DDR3L-1600no data
Maximum memory size32 GB1,536 GB
Max memory channels2no data
Maximum memory bandwidth25.6 GB/sno data
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1281 v3 and Xeon E5-2670 v4.

PCIe version3.03.0
PCI Express lanes1640

Pros & cons summary


Recency 1 April 2014 20 June 2016
Physical cores 4 14
Threads 8 28
Chip lithography 22 nm 14 nm
Power consumption (TDP) 82 Watt 120 Watt

Xeon E3-1281 v3 has 46.3% lower power consumption.

Xeon E5-2670 v4, on the other hand, has an age advantage of 2 years, 250% more physical cores and 250% more threads, and a 57.1% more advanced lithography process.

We couldn't decide between Xeon E3-1281 v3 and Xeon E5-2670 v4. We've got no test results to judge.


Should you still have questions on choice between Xeon E3-1281 v3 and Xeon E5-2670 v4, ask them in Comments section, and we shall answer.

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Intel Xeon E3-1281 v3
Xeon E3-1281 v3
Intel Xeon E5-2670 v4
Xeon E5-2670 v4

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