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[Dual CPU] Intel Xeon E5-2666 v3 @ 2.90GHz

Benchmarks for the [Dual CPU] Intel Xeon E5-2666 v3 can be found below. Release dates, price and performance comparisons are also listed when available. This is made using thousands of PerformanceTest benchmark results and is updated daily.

  • The first graph shows the relative performance of the CPU compared to the 10 other common (single) CPUs in terms of PassMark CPU Mark.
  • The 2nd graph shows the value for money, in terms of the CPUMark per dollar.
  • The pricing history data shows the price for a single Processor. For multiple Processors, multiply the price shown by the number of CPUs.

[Dual CPU] Intel Xeon E5-2666 v3 @ 2.90GHz

Description:

Class: Server

Socket: LGA2011-v3

Clockspeed: 2.9 GHz

Turbo Speed: 3.5 GHz

Cores: 10# Threads: 20#

Typical TDP: 135 W#

Cache per CPU Package:
L1 Instruction Cache: 10 x 32 KB
L1 Data Cache: 10 x 32 KB
L2 Cache: 10 x 256 KB
L3 Cache: 25 MB

Other names: Intel(R) Xeon(R) CPU E5-2666 v3 @ 2.90GHz, Intel Xeon CPU E5-2666 v3 @ 2.90GHz

CPU First Seen on Charts: Q1 2015

CPUmark/$Price: NA

Overall Rank:
389th fastest in multithreading out of all multi-CPU CPUs

Last Price Change: NA

Average CPU Mark rating
Multithread Rating
23311
Single Thread Rating
1895

Samples: 70*
*Margin for error: Low

#The number of cores/threads and TDP is per CPU. To determine the total, multiply by the total CPU count.

CPU Test Suite Average Results for [Dual CPU] Intel Xeon E5-2666 v3 @ 2.90GHz

Integer Math111,367 MOps/Sec
Floating Point Math55,961 MOps/Sec
Find Prime Numbers92 Million Primes/Sec
Random String Sorting60,171 Thousand Strings/Sec
Data Encryption7,204 MBytes/Sec
Data Compression457,191 KBytes/Sec
Physics1,110 Frames/Sec
Extended Instructions29,007 Million Matrices/Sec
Single Thread1,895 MOps/Sec
From submitted results to PerformanceTest V10 as of 16th of November 2025.

CPU Mark Distribution for [Dual CPU] Intel Xeon E5-2666 v3 @ 2.90GHz

Submitted Baseline Distribution Graph as of 12th of November 2025
From submitted results since PerformanceTest V10 as of 12th of November 2025.
For distribution graph only: Results are trimmed to exclude outliers by disregarding the bottom 1% and top 1% of submissions.

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CPU Mark Relative to Top 10 Common Server CPUs
As of 17th of November 2025 - Higher results represent better performance
Processor Average CPU Mark
AMD Ryzen Threadripper PRO 3955WX
 39,953
ARM Neoverse-N1 128 Core 3000 MHz
 39,780
ARM Neoverse-N1 80 Core 3000 MHz
 35,253
AMD Ryzen 7 PRO 7745
 34,827
ARM Neoverse-N1 64 Core 0 MHz
 28,040
AMD Ryzen 5 PRO 7645
 27,565
[Dual CPU] Intel Xeon E5-2666 v3 @ 2.90GHz
 23,311
Intel Xeon E5-2680 v4 @ 2.40GHz
 17,310
Intel Xeon E5-2697 v2 @ 2.70GHz
 14,277
Intel Xeon E5-1650 v3 @ 3.50GHz
 10,387
Intel Xeon E5-1650 v2 @ 3.50GHz
 9,293
CPU Value (CPU Mark / $Price )
As of 17th of November 2025 - Higher results represent better value
Processor CPU Mark / $Price
Intel Xeon E5-2680 v4 @ 2.40GHz
 81.67
Intel Xeon E5-2697 v2 @ 2.70GHz
 73.80
AMD Ryzen 5 PRO 7645
 61.71
AMD Ryzen 7 PRO 7745
 57.60
Intel Xeon E5-1650 v2 @ 3.50GHz
 40.41
AMD Ryzen Threadripper PRO 3955WX
 36.32
Intel Xeon E5-1650 v3 @ 3.50GHz
 7.29
[Dual CPU] Intel Xeon E5-2666 v3 @ 2.90GHz
 NA
ARM Neoverse-N1 80 Core 3000 MHz
 NA
ARM Neoverse-N1 128 Core 3000 MHz
 NA
ARM Neoverse-N1 64 Core 0 MHz
 NA
Single Thread Rating
As of 17th of November 2025 - Higher results represent better performance
Processor Average Thread Rating
AMD Ryzen 7 PRO 7745
 4,117
AMD Ryzen 5 PRO 7645
 3,954
AMD Ryzen Threadripper PRO 3955WX
 2,680
Intel Xeon E5-1650 v3 @ 3.50GHz
 2,125
Intel Xeon E5-1650 v2 @ 3.50GHz
 2,039
Intel Xeon E5-2680 v4 @ 2.40GHz
 1,933
[Dual CPU] Intel Xeon E5-2666 v3 @ 2.90GHz
 1,895
Intel Xeon E5-2697 v2 @ 2.70GHz
 1,786
ARM Neoverse-N1 128 Core 3000 MHz
 1,329
ARM Neoverse-N1 80 Core 3000 MHz
 1,328
ARM Neoverse-N1 64 Core 0 MHz
 1,093
Last 5 Baselines for [Dual CPU] Intel Xeon E5-2666 v3 @ 2.90GHz
Most recent listed first
Baseline CPU Mark
BL3006479 - Oct 26 2025
21781
BL2959711 - Oct 07 2025
25046
BL2950536 - Oct 03 2025
24627
BL2939181 - Sep 28 2025
19926
BL2932649 - Sep 25 2025
24326
Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.
Popular comparisons for Intel Xeon E5-2666 v3 @ 2.90GHz
As of 17th of November 2025 - Higher results represent better performance
Processor Average CPU Mark
Intel Xeon E5-2666 v3 @ 2.90GHz
 23,311
Intel Xeon E5-2697 v3 @ 2.60GHz vs Intel Xeon E5-2666 v3
 18,170 (-22.1%)
AMD Ryzen 7 PRO 8845HS vs Intel Xeon E5-2666 v3
 29,100 (+24.8%)
AMD Ryzen 7 PRO 8840U vs Intel Xeon E5-2666 v3
 23,942 (+2.7%)
AMD Ryzen 5 PRO 7645 vs Intel Xeon E5-2666 v3
 27,565 (+18.2%)
Intel Xeon W-2255 @ 3.70GHz vs Intel Xeon E5-2666 v3
 22,484 (-3.5%)
Intel Xeon E5-2696 v3 @ 2.30GHz vs Intel Xeon E5-2666 v3
 21,463 (-7.9%)
Intel Xeon W-2155 @ 3.30GHz vs Intel Xeon E5-2666 v3
 20,933 (-10.2%)
AMD EPYC 7262 vs Intel Xeon E5-2666 v3
 20,779 (-10.9%)
Intel Xeon W-2150B @ 3.00GHz vs Intel Xeon E5-2666 v3
 20,486 (-12.1%)
Intel Xeon E5-2699 v3 @ 2.30GHz vs Intel Xeon E5-2666 v3
 20,014 (-14.1%)
Intel Xeon E5-2698 v3 @ 2.30GHz vs Intel Xeon E5-2666 v3
 18,875 (-19.0%)
Intel Xeon E5-2687W v4 @ 3.00GHz vs Intel Xeon E5-2666 v3
 17,612 (-24.4%)