Xeon E3-1585 v5 vs E5-1660 v3

Aggregate performance score

Xeon E5-1660 v3
2014
8 cores / 16 threads, 140 Watt
7.86
+48.6%
Xeon E3-1585 v5
2016
4 cores / 8 threads, 65 Watt
5.29

Xeon E5-1660 v3 outperforms Xeon E3-1585 v5 by a considerable 49% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5-1660 v3 and Xeon E3-1585 v5 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking9461174
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data2.07
Market segmentServerServer
Seriesno dataIntel Xeon E3
Power efficiency5.317.70
Architecture codenameHaswell-EP (2014−2015)Skylake-H (2015−2016)
Release date8 September 2014 (10 years ago)31 May 2016 (8 years ago)
Launch price (MSRP)no data$556

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E5-1660 v3 and Xeon E3-1585 v5 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)4 (Quad-Core)
Threads168
Base clock speed3 GHz3.5 GHz
Boost clock speed3.5 GHz3.9 GHz
Bus typeno dataDMI 3.0
Bus rate0 GT/s4 × 8 GT/s
Multiplierno data35
L1 cache64K (per core)64 KB (per core)
L2 cache256K (per core)256 KB (per core)
L3 cache20 MB (shared)8 MB (shared)
Chip lithography22 nm14 nm
Die size356 mm2171 mm2
Maximum core temperature66 °C100 °C
Number of transistors2,600 million2,300 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Xeon E5-1660 v3 and Xeon E3-1585 v5 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 (Uniprocessor)
SocketFCLGA2011FCBGA1440
Power consumption (TDP)140 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-1660 v3 and Xeon E3-1585 v5. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
eDRAMno data128 MB
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX-+
Idle States++
Thermal Monitoring+-
Flex Memory Access-no data
Demand Based Switching+no data
PAE46 Bitno data
FDIno data+

Security technologies

Xeon E5-1660 v3 and Xeon E3-1585 v5 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key+no data
Identity Protection+-
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-1660 v3 and Xeon E3-1585 v5 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-1660 v3 and Xeon E3-1585 v5. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-1333, DDR4-1600, DDR4-1866, DDR4-2133DDR3L,LPDDR3 1600 MHz, DDR4 2133 MHz at 1.2V
Maximum memory size768 GB64 GB
Max memory channels42
Maximum memory bandwidth68 GB/s34.134 GB/s
ECC memory support++

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel Iris Pro Graphics P580
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Graphics max frequencyno data1.15 GHz
Execution Unitsno data72

Graphics interfaces

Available interfaces and connections of Xeon E5-1660 v3 and Xeon E3-1585 v5 integrated GPUs.

Number of displays supportedno data3

Peripherals

Specifications and connection of peripherals supported by Xeon E5-1660 v3 and Xeon E3-1585 v5.

PCIe version3.03.0
PCI Express lanes4016

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 E5-1660 v3 7.86
+48.6%
Xeon E3-1585 v5 5.29

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 E5-1660 v3 12488
+48.5%
Xeon E3-1585 v5 8408

Gaming performance

Pros & cons summary


Performance score 7.86 5.29
Recency 8 September 2014 31 May 2016
Physical cores 8 4
Threads 16 8
Chip lithography 22 nm 14 nm
Power consumption (TDP) 140 Watt 65 Watt

Xeon E5-1660 v3 has a 48.6% higher aggregate performance score, and 100% more physical cores and 100% more threads.

Xeon E3-1585 v5, on the other hand, has an age advantage of 1 year, a 57.1% more advanced lithography process, and 115.4% lower power consumption.

The Xeon E5-1660 v3 is our recommended choice as it beats the Xeon E3-1585 v5 in performance tests.


Should you still have questions on choice between Xeon E5-1660 v3 and Xeon E3-1585 v5, ask them in Comments section, and we shall answer.

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Intel Xeon E5-1660 v3
Xeon E5-1660 v3
Intel Xeon E3-1585 v5
Xeon E3-1585 v5

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