Xeon E5-4640 v2 vs i7-920

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Primary details

Comparing Core i7-920 and Xeon E5-4640 v2 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2025not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.22no data
Market segmentDesktop processorServer
SeriesCore i7 (Desktop)no data
Power efficiency1.30no data
Architecture codenameBloomfield (2008−2010)no data
Release dateNovember 2008 (16 years ago)1 January 2014 (10 years ago)
Launch price (MSRP)$340no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-920 and Xeon E5-4640 v2 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)10 (Deca-Core)
Threads820
Base clock speed2.66 GHz2.2 GHz
Boost clock speed2.93 GHz2.7 GHz
Bus rate1333 MHz8 GT/s
L1 cache64 KB (per core)no data
L2 cache256 KB (per core)no data
L3 cache8 MB (shared)20 MB Intel® Smart Cache
Chip lithography45 nm22 nm
Die size263 mm2no data
Maximum core temperature68 °C75 °C
Number of transistors731 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-920 and Xeon E5-4640 v2 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 configuration14
SocketFCLGA1366,PLGA1366FCLGA2011
Power consumption (TDP)130 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-920 and Xeon E5-4640 v2. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2Intel® AVX
AES-NI-+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology1.02.0
Hyper-Threading Technology++
Idle States++
Thermal Monitoring-+
Demand Based Switching-+
PAE36 Bit46 Bit

Security technologies

Core i7-920 and Xeon E5-4640 v2 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-920 and Xeon E5-4640 v2 are enumerated here.

VT-dno data+
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-920 and Xeon E5-4640 v2. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3-800, DDR3-1066, DDR3-1333, DDR3-1600, DDR3-1866
Maximum memory size24 GB768 GB
Max memory channels34
Maximum memory bandwidth25.6 GB/s59.7 GB/s
ECC memory support-+

Peripherals

Specifications and connection of peripherals supported by Core i7-920 and Xeon E5-4640 v2.

PCIe versionno data3.0
PCI Express lanesno data40

Pros & cons summary


Physical cores 4 10
Threads 8 20
Chip lithography 45 nm 22 nm
Power consumption (TDP) 130 Watt 95 Watt

Xeon E5-4640 v2 has 150% more physical cores and 150% more threads, a 104.5% more advanced lithography process, and 36.8% lower power consumption.

We couldn't decide between Core i7-920 and Xeon E5-4640 v2. We've got no test results to judge.

Note that Core i7-920 is a desktop processor while Xeon E5-4640 v2 is a server/workstation one.


Should you still have questions on choice between Core i7-920 and Xeon E5-4640 v2, ask them in Comments section, and we shall answer.

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Intel Core i7-920
Core i7-920
Intel Xeon E5-4640 v2
Xeon E5-4640 v2

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Community ratings

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Questions & comments

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