Xeon X5660 vs E5-2643 v4

VS

Aggregate performance score

Xeon E5-2643 v4
2016
6 cores / 12 threads, 135 Watt
7.28
+85.2%

Xeon E5-2643 v4 outperforms Xeon X5660 by an impressive 85% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5-2643 v4 and Xeon X5660 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking9911462
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.303.05
Market segmentServerServer
SeriesIntel Xeon E5no data
Power efficiency4.923.77
Architecture codenameBroadwell (2015−2019)Westmere-EP (2010−2011)
Release date20 June 2016 (8 years ago)16 March 2010 (14 years ago)
Launch price (MSRP)$1,552$33

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon X5660 has 135% better value for money than Xeon E5-2643 v4.

Detailed specifications

Xeon E5-2643 v4 and Xeon X5660 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)6 (Hexa-Core)
Threads1212
Base clock speed3.4 GHz2.8 GHz
Boost clock speed3.7 GHz3.2 GHz
Bus typeQPIno data
Bus rate2 × 9.6 GT/sno data
Multiplier34no data
L1 cacheno data64 KB (per core)
L2 cache1.5 MB256 KB (per core)
L3 cache20 MB12 MB (shared)
Chip lithography14 nm32 nm
Die size246.24 mm2239 mm2
Maximum core temperature75 °C81 °C
Number of transistors3200 Million1,170 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon E5-2643 v4 and Xeon X5660 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 configuration2 (Multiprocessor)2
SocketFCLGA2011FCLGA1366,LGA1366
Power consumption (TDP)135 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2643 v4 and Xeon X5660. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVX2Intel® SSE4.2
AES-NI++
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.01.0
Hyper-Threading Technology++
TSX+-
Idle States++
Thermal Monitoring+-
Flex Memory Access-no data
Demand Based Switching++
PAE46 Bit40 Bit

Security technologies

Xeon E5-2643 v4 and Xeon X5660 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key+no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2643 v4 and Xeon X5660 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2643 v4 and Xeon X5660. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400DDR3
Maximum memory size1.5 TB288 GB
Max memory channels43
Maximum memory bandwidth76.8 GB/s32 GB/s
ECC memory support++

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2643 v4 and Xeon X5660.

PCIe version3.02.0
PCI Express lanes40no data

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 E5-2643 v4 7.28
+85.2%
Xeon X5660 3.93

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 E5-2643 v4 11134
+85.1%
Xeon X5660 6015

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Xeon E5-2643 v4 1226
+166%
Xeon X5660 461

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Xeon E5-2643 v4 5937
+170%
Xeon X5660 2196

Gaming performance

Pros & cons summary


Performance score 7.28 3.93
Recency 20 June 2016 16 March 2010
Chip lithography 14 nm 32 nm
Power consumption (TDP) 135 Watt 95 Watt

Xeon E5-2643 v4 has a 85.2% higher aggregate performance score, an age advantage of 6 years, and a 128.6% more advanced lithography process.

Xeon X5660, on the other hand, has 42.1% lower power consumption.

The Xeon E5-2643 v4 is our recommended choice as it beats the Xeon X5660 in performance tests.


Should you still have questions on choice between Xeon E5-2643 v4 and Xeon X5660, ask them in Comments section, and we shall answer.

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Intel Xeon E5-2643 v4
Xeon E5-2643 v4
Intel Xeon X5660
Xeon X5660

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Community ratings

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Questions & comments

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