Xeon E5-2440 v2 vs E5-4640

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Aggregate performance score

Xeon E5-4640
2012
8 cores / 16 threads, 95 Watt
4.41
Xeon E5-2440 v2
2013
8 cores / 16 threads, 95 Watt
4.70
+6.6%

Xeon E5-2440 v2 outperforms Xeon E5-4640 by a small 7% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5-4640 and Xeon E5-2440 v2 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking13421279
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.292.26
Market segmentServerServer
Power efficiency4.394.68
Architecture codenameSandy Bridge-EP (2012)Ivy Bridge-EN (2013−2014)
Release date14 May 2012 (12 years ago)1 September 2013 (11 years ago)
Launch price (MSRP)$2,730$400

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E5-2440 v2 has 679% better value for money than Xeon E5-4640.

Detailed specifications

Xeon E5-4640 and Xeon E5-2440 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 cores8 (Octa-Core)8 (Octa-Core)
Threads1616
Base clock speed2.4 GHz1.9 GHz
Boost clock speed2.8 GHz2.4 GHz
Bus rate8 GT/s7.2 GT/s
L1 cache64 KB (per core)64 KB (per core)
L2 cache256 KB (per core)256 KB (per core)
L3 cache20480 KB (shared)20 MB (shared)
Chip lithography32 nm22 nm
Die size435 mm2160 mm2
Maximum core temperatureno data80 °C
Number of transistors2,270 million1,400 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon E5-4640 and Xeon E5-2440 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 configuration42
SocketFCLGA2011FCLGA1356
Power consumption (TDP)95 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-4640 and Xeon E5-2440 v2. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXIntel® AVX
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
Idle States++
Thermal Monitoring++
Flex Memory Access+-
Demand Based Switching++
PAEno data46 Bit

Security technologies

Xeon E5-4640 and Xeon E5-2440 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 Xeon E5-4640 and Xeon E5-2440 v2 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-4640 and Xeon E5-2440 v2. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size384 GB384 GB
Max memory channels43
Maximum memory bandwidth51.2 GB/s38.4 GB/s
ECC memory support++

Peripherals

Specifications and connection of peripherals supported by Xeon E5-4640 and Xeon E5-2440 v2.

PCIe version3.03.0
PCI Express lanes4024

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 E5-4640 4.41
Xeon E5-2440 v2 4.70
+6.6%

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 E5-4640 7012
Xeon E5-2440 v2 7473
+6.6%

Gaming performance

Pros & cons summary


Performance score 4.41 4.70
Recency 14 May 2012 1 September 2013
Chip lithography 32 nm 22 nm

Xeon E5-2440 v2 has a 6.6% higher aggregate performance score, an age advantage of 1 year, and a 45.5% more advanced lithography process.

Given the minimal performance differences, no clear winner can be declared between Xeon E5-4640 and Xeon E5-2440 v2.


Should you still have questions on choice between Xeon E5-4640 and Xeon E5-2440 v2, ask them in Comments section, and we shall answer.

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Intel Xeon E5-4640
Xeon E5-4640
Intel Xeon E5-2440 v2
Xeon E5-2440 v2

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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4.5 6 votes

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Questions & comments

Here you can ask a question about Xeon E5-4640 or Xeon E5-2440 v2, agree or disagree with our judgements, or report an error or mismatch.