Xeon E5-2640 v2 vs E3-1585 v5

VS

Aggregate performance score

Xeon E3-1585 v5
2016
4 cores / 8 threads, 65 Watt
5.49
+10.7%

Xeon E3-1585 v5 outperforms Xeon E5-2640 v2 by a moderate 11% based on our aggregate benchmark results.

Primary details

Comparing Xeon E3-1585 v5 and Xeon E5-2640 v2 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking11661242
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.021.24
Market segmentServerServer
SeriesIntel Xeon E3no data
Power efficiency7.704.76
Architecture codenameSkylake-H (2015−2016)Ivy Bridge-EP (2013)
Release date31 May 2016 (8 years ago)1 September 2013 (11 years ago)
Launch price (MSRP)$556$728

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E3-1585 v5 has 63% better value for money than Xeon E5-2640 v2.

Detailed specifications

Xeon E3-1585 v5 and Xeon E5-2640 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)8 (Octa-Core)
Threads816
Base clock speed3.5 GHz2 GHz
Boost clock speed3.9 GHz2.5 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s7.2 GT/s
Multiplier35no data
L1 cache64 KB (per core)64 KB (per core)
L2 cache256 KB (per core)256 KB (per core)
L3 cache8 MB (shared)20 MB (shared)
Chip lithography14 nm22 nm
Die size171 mm2160 mm2
Maximum core temperature100 °C75 °C
Number of transistors2,300 million1,400 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon E3-1585 v5 and Xeon E5-2640 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 configuration1 (Uniprocessor)2
SocketFCBGA1440FCLGA2011
Power consumption (TDP)65 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1585 v5 and Xeon E5-2640 v2. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® AVX
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
eDRAM128 MBno data
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX+-
Idle States++
Thermal Monitoring-+
Flex Memory Accessno data-
Demand Based Switchingno data+
PAEno data46 Bit
FDI+no data

Security technologies

Xeon E3-1585 v5 and Xeon E5-2640 v2 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Keyno data+
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1585 v5 and Xeon E5-2640 v2 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1585 v5 and Xeon E5-2640 v2. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3L,LPDDR3 1600 MHz, DDR4 2133 MHz at 1.2VDDR3
Maximum memory size64 GB768 GB
Max memory channels24
Maximum memory bandwidth34.134 GB/s51.2 GB/s
ECC memory support++

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel Iris Pro Graphics P580no data
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Graphics max frequency1.15 GHzno data
Execution Units72no data

Graphics interfaces

Available interfaces and connections of Xeon E3-1585 v5 and Xeon E5-2640 v2 integrated GPUs.

Number of displays supported3no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1585 v5 and Xeon E5-2640 v2.

PCIe version3.03.0
PCI Express lanes1640

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 E3-1585 v5 5.49
+10.7%
Xeon E5-2640 v2 4.96

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 E3-1585 v5 8408
+10.8%
Xeon E5-2640 v2 7590

Gaming performance

Pros & cons summary


Performance score 5.49 4.96
Recency 31 May 2016 1 September 2013
Physical cores 4 8
Threads 8 16
Chip lithography 14 nm 22 nm
Power consumption (TDP) 65 Watt 95 Watt

Xeon E3-1585 v5 has a 10.7% higher aggregate performance score, an age advantage of 2 years, a 57.1% more advanced lithography process, and 46.2% lower power consumption.

Xeon E5-2640 v2, on the other hand, has 100% more physical cores and 100% more threads.

The Xeon E3-1585 v5 is our recommended choice as it beats the Xeon E5-2640 v2 in performance tests.


Should you still have questions on choice between Xeon E3-1585 v5 and Xeon E5-2640 v2, ask them in Comments section, and we shall answer.

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Intel Xeon E3-1585 v5
Xeon E3-1585 v5
Intel Xeon E5-2640 v2
Xeon E5-2640 v2

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