i7-7740K vs Xeon E5-2640

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Primary details

Comparing Xeon E5-2640 and Core i7-7740K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1437not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.96no data
Market segmentServerDesktop processor
Power efficiency3.95no data
Architecture codenameSandy Bridge-EP (2012)Kaby Lake-X (2017)
Release date6 March 2012 (12 years ago)no data
Launch price (MSRP)$162no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E5-2640 and Core i7-7740K 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 cores6 (Hexa-Core)4 (Quad-Core)
Threads12no data
Base clock speed2.5 GHzno data
Boost clock speed3 GHz4.3 GHz
Bus rate7.2 GT/sno data
L1 cache64 KB (per core)64 KB (per core)
L2 cache256 KB (per core)256 KB (per core)
L3 cache15360 KB (shared)8192 KB (shared)
Chip lithography32 nm14 nm
Die size435 mm2no data
Maximum core temperature73 °Cno data
Maximum case temperature (TCase)no data72 °C
Number of transistors2,270 millionno data
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on Xeon E5-2640 and Core i7-7740K 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
SocketFCLGA20111151
Power consumption (TDP)95 Watt112 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2640 and Core i7-7740K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXno data
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology1.0no data
Hyper-Threading Technology+no data
TSX-+
Idle States+no data
Thermal Monitoring+-
Flex Memory Access-no data
Demand Based Switching+no data

Security technologies

Xeon E5-2640 and Core i7-7740K technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2640 and Core i7-7740K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2640 and Core i7-7740K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4
Maximum memory size384 GBno data
Max memory channels4no data
Maximum memory bandwidth42.6 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataHD 630

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2640 and Core i7-7740K.

PCIe version3.0no data
PCI Express lanes40no data

Pros & cons summary


Physical cores 6 4
Chip lithography 32 nm 14 nm
Power consumption (TDP) 95 Watt 112 Watt

Xeon E5-2640 has 50% more physical cores, and 17.9% lower power consumption.

i7-7740K, on the other hand, has a 128.6% more advanced lithography process.

We couldn't decide between Xeon E5-2640 and Core i7-7740K. We've got no test results to judge.

Be aware that Xeon E5-2640 is a server/workstation processor while Core i7-7740K is a desktop one.


Should you still have questions on choice between Xeon E5-2640 and Core i7-7740K, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Xeon E5-2640
Xeon E5-2640
Intel Core i7-7740K
Core i7-7740K

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Community ratings

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4.1 1106 votes

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1.8 12 votes

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Questions & comments

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