Xeon Phi 7290F vs E5-2666 V3

#ad 
Buy on Amazon
VS

Primary details

Comparing Xeon E5-2666 V3 and Xeon Phi 7290F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking842not rated
Place by popularitynot in top-100not in top-100
Market segmentServerServer
Power efficiency6.30no data
Architecture codenameHaswell-EP (2014−2015)Knights Landing (2016)
Release date13 November 2014 (9 years ago)20 June 2016 (8 years ago)

Detailed specifications

Xeon E5-2666 V3 and Xeon Phi 7290F 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 cores10 (Deca-Core)72 (Doheptaconta-Core)
Threads20288
Base clock speed2.9 GHz1.5 GHz
Boost clock speed3.5 GHz1.7 GHz
L1 cache64K (per core)32 KB (per core)
L2 cache256K (per core)512 KB (per core)
L3 cache25 MB (shared)0 KB (shared)
Chip lithography22 nm14 nm
Die size356 mm2no data
Number of transistors2,600 million8,000 million
64 bit support++
Windows 11 compatibilityno data-

Compatibility

Information on Xeon E5-2666 V3 and Xeon Phi 7290F 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 configuration21
Socket2011-33647
Power consumption (TDP)135 Watt260 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2666 V3 and Xeon Phi 7290F. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
vPro++
Enhanced SpeedStep (EIST)++
TSX+-

Security technologies

Xeon E5-2666 V3 and Xeon Phi 7290F technologies aimed at improving security, for example, by protecting against hacks.

TXT++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2666 V3 and Xeon Phi 7290F are enumerated here.

VT-d++
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2666 V3 and Xeon Phi 7290F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4 2133 MHz Quad-channelDDR4

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2666 V3 and Xeon Phi 7290F.

PCIe version3.0no data
PCI Express lanes40no data

Pros & cons summary


Recency 13 November 2014 20 June 2016
Physical cores 10 72
Threads 20 288
Chip lithography 22 nm 14 nm
Power consumption (TDP) 135 Watt 260 Watt

Xeon E5-2666 V3 has 92.6% lower power consumption.

Xeon Phi 7290F, on the other hand, has an age advantage of 1 year, 620% more physical cores and 1340% more threads, and a 57.1% more advanced lithography process.

We couldn't decide between Xeon E5-2666 V3 and Xeon Phi 7290F. We've got no test results to judge.


Should you still have questions on choice between Xeon E5-2666 V3 and Xeon Phi 7290F, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Xeon E5-2666 V3
Xeon E5-2666 V3
Intel Xeon Phi 7290F
Xeon Phi 7290F

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.


4.4 3078 votes

Rate Xeon E5-2666 V3 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
5 5 votes

Rate Xeon Phi 7290F on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Xeon E5-2666 V3 or Xeon Phi 7290F, agree or disagree with our judgements, or report an error or mismatch.