i5-7640K vs Xeon E3-1271 v3

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Primary details

Comparing Xeon E3-1271 v3 and Core i5-7640K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1249not rated
Place by popularitynot in top-100not in top-100
Market segmentServerDesktop processor
Power efficiency5.61no data
Architecture codenameno dataKaby Lake-X (2017)
Release date1 April 2014 (10 years ago)no data (2024 years ago)

Detailed specifications

Xeon E3-1271 v3 and Core i5-7640K 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)
Threads8no data
Base clock speed3.6 GHzno data
Boost clock speed4 GHz3.9 GHz
Bus rate5 GT/sno data
L1 cacheno data64 KB (per core)
L2 cacheno data256 KB (per core)
L3 cache8 MB Intel® Smart Cache6144 KB (shared)
Chip lithography22 nm14 nm
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on Xeon E3-1271 v3 and Core i5-7640K 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
SocketFCLGA11501151
Power consumption (TDP)80 Watt112 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1271 v3 and Core i5-7640K. 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-+
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 E3-1271 v3 and Core i5-7640K technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
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 E3-1271 v3 and Core i5-7640K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1271 v3 and Core i5-7640K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3L-1333, DDR3L-1600DDR4
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth25.6 GB/sno data
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1271 v3 and Core i5-7640K.

PCIe version3.0no data
PCI Express lanes16no data

Pros & cons summary


Chip lithography 22 nm 14 nm
Power consumption (TDP) 80 Watt 112 Watt

Xeon E3-1271 v3 has 40% lower power consumption.

i5-7640K, on the other hand, has a 57.1% more advanced lithography process.

We couldn't decide between Xeon E3-1271 v3 and Core i5-7640K. We've got no test results to judge.

Be aware that Xeon E3-1271 v3 is a server/workstation processor while Core i5-7640K is a desktop one.


Should you still have questions on choice between Xeon E3-1271 v3 and Core i5-7640K, ask them in Comments section, and we shall answer.

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Intel Xeon E3-1271 v3
Xeon E3-1271 v3
Intel Core i5-7640K
Core i5-7640K

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Community ratings

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