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Intel

Xeon E5-2666 v3

▲ 500 ▼

8 Cores, 16 Threads.
Release date ≈ Q3 2021.

Average Bench: 65.5% (490th of 1445)

Based on 4 user benchmarks.  Device: 178BFBFF000306F2 Model: Intel(R) Xeon(R) CPU E5-2666 v3 @ 2.90GHz
Poor: 56%Average: 65.5% Great: 76%
Gaming
Gaming 65%
Battle cruiser
Desktop
Desktop 67%
Battle cruiser
Workstation
Workstation 60%
Destroyer

Above average average bench

The Intel Xeon E5-2666 v3 averaged 34.5% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. Memory Latency 76.4Pts
Avg. Single Core Speed 81.7Pts

Unknown consistency

There are too few samples to reasonably determine how consistently this CPU perfroms. This result should be interpreted with caution.

Weaknesses

Avg. Octa Core Speed 541Pts
Avg. Multi Core Speed 775Pts
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Average Bench

(Based on 4 samples)
Rank 49065.5%
Min Avg Max
72.1 Memory 76.4 80.1
66.3 1-Core 81.7 96.3
117 2-Core 155 193
61.5% 104 Pts
Min Avg Max
214 4-Core 300 383
180 8-Core 541 734
50.4% 420 Pts
Min Avg Max
230 64-Core 775 1,017
48% 775 Pts
User Benchmarks BenchNormalHeavyServer
The fastest CPU (mainstream) averages a speed of 100%
CPU 1, 1 CPU, 8 cores, 16 threads
Base clock 2.9 GHz, turbo 2.9 GHz (avg)
75.7% Very good
Memory 80.1
1-Core 96.3
2-Core 193
70% 123 Pts
4-Core 383
8-Core 729
66% 556 Pts
64-Core 1,017
63% 1,017 Pts
CPU 1, 1 CPU, 8 cores, 16 threads
Base clock 2.9 GHz, turbo 2.9 GHz (avg)
72.5% Very good
Memory 76.5
1-Core 91.7
2-Core 183
67% 117 Pts
4-Core 368
8-Core 734
65% 551 Pts
64-Core 984
61% 984 Pts
CPU 1, 1 CPU, 2 cores, 4 threads
Base clock 2.9 GHz, turbo 2.9 GHz (avg)
57.8% Above average
Memory 77.1
1-Core 66.3
2-Core 127
55% 90 Pts
4-Core 233
8-Core 180
29% 206 Pts
64-Core 230
14% 230 Pts
CPU 1, 1 CPU, 8 cores, 16 threads
Base clock 2.9 GHz, turbo 2.9 GHz (avg)
55.9% Above average
Memory 72.1
1-Core 72.4
2-Core 117
54% 87.1 Pts
4-Core 214
8-Core 520
42% 367 Pts
64-Core 869
54% 869 Pts

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,899,514 CPUs tested

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Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

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Processor Rankings (Price vs Performance) May 2024 CPU Rankings

We calculate effective speed which measures real world performance for typical users. Effective speed is adjusted by current prices to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top CPUs. [CPUPro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

 Comments

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Age: 2 years

Speed Comparisons

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1445 Processors (Compared) Thousands of user benchmarks compiled into one comparison list

See how consistently different CPUs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

Processors FAQ
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What is thermal design power (TDP)?
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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-12600K $171Nvidia RTX 4060 $293Crucial MX500 250GB $39
Intel Core i5-13600K $273Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i3-12100F $80Nvidia RTX 4070 $542Samsung 870 Evo 250GB $45
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $39SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $48SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $62G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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