Average Bench: 77.8% (36th of 70)

Based on 7,853 user benchmarks.  Model: Corsair Vengeance LPX CMK16GX4M2A2666C16 2x8GB

Good average bench

The Corsair Vengeance LPX DDR4 2666 C16 2x8GB averaged 22.2% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Corsair Vengeance LPX DDR4 2666 C16 2x8GB near the top of the comparison list.


Avg. 16 Core Read Bench 29.4GB/s
Avg. 16 Core Write Bench 29.3GB/s

Average consistency

The range of scores (95th - 5th percentile) for the Corsair Vengeance LPX DDR4 2666 C16 2x8GB is 46.8%. This is a relatively wide range which indicates that the Corsair Vengeance LPX DDR4 2666 C16 2x8GB performs inconsistently under varying real world conditions.


Avg. 1 Core Read Bench 17.7GB/s
Avg. Physical RAM Latency 73.4ns

Average Bench

(Based on 7,853 samples)
Min Avg Max
17.3 MC Read 29.4 38
16.5 MC Write 29.3 35.8
13.5 MC Mixed 24.7 32.3
79.4% 27.8 GB/s
Min Avg Max
12.5 SC Read 17.7 21.8
16.4 SC Write 28.7 37
14.4 SC Mixed 23.2 28.1
66.3% 23.2 GB/s
Min Avg Max
56.5 Latency 73.4 102
54.5% 73.4 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
2 of 2 slots used
16GB DIMM DDR4 2666 MHz clocked @ 1333 MHz
MC Read 36.2
MC Write 31.2
MC Mixed 31.4
94% 32.9 GB/s
SC Read 20.2
SC Write 31.9
SC Mixed 24.6
73% 25.6 GB/s
Latency 97.3
41% 97.3 ns
2 of 4 slots used
16GB DIMM DDR4 2133 MHz clocked @ 2666 MHz
MC Read 31.3
MC Write 31.6
MC Mixed 24
83% 29 GB/s
SC Read 17.8
SC Write 31.5
SC Mixed 26.3
72% 25.2 GB/s
Latency 58.2
69% 58.2 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2667 MHz
MC Read 30.9
MC Write 30.8
MC Mixed 21.8
80% 27.8 GB/s
SC Read 18.6
SC Write 32.7
SC Mixed 24
72% 25.1 GB/s
Latency 61.7
65% 61.7 ns
7,853 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 5,354,910 RAM Kits tested.


EbayUS CMK16GX4M2A2666C16R $170.0014 mins ago.
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Typical Vengeance LPX DDR4 2666 C16 2x8GB Builds (Compare 14,355 builds) See popular component choices, score breakdowns and rankings.
Gaming 95%
Nuclear submarine
Desktop 86%
Aircraft carrier
Workstation 66%
Battle cruiser

Motherboard: Asus Z170 PRO GAMING - $157

EDIT WITH CUSTOM PC BUILDER Value: 84% - Excellent Total price: $1,104

Popular Vengeance LPX DDR4 2666 C16 2x8GB compatible motherboards:

How Fast Is Your RAM? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware 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 upgrades.

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How it works

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  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
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  • - RAM tests include: single/multi core bandwidth and latency.
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Memory Kit Rankings (Price vs Performance) November 2017 RAM Rankings.

Welcome to our DDR4 Memory Kit comparison. We calculate effective RAM speed which measures performance for typical desktop users. Effective speed is adjusted by cost per GB to yield value for money. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top Memory Kits. Share your opinion by voting. [RAMPro]


70 Memory Kits (Compared) Thousands of user benchmarks compiled into one comparison list.

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

 Frequently Asked Questions

 Best User Rated

The Best.
Intel Core i7-7700K $280Nvidia GTX 1070 $410Samsung 850 Evo 250GB $88
AMD Ryzen 7 1700 $250AMD RX 480 $240Samsung 850 Pro 256GB $110
Intel Core i5-7600K $180Nvidia GTX 1060-6GB $240Samsung 850 Evo 500GB $150
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $160SanDisk Extreme 64GB $30
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $1,050SanDisk Extreme 32GB $17
Seagate Barracuda 7200.14 1TB $52Corsair Vengeance LPX DDR4 3200 C16 2x8GB $195SanDisk Ultra Fit 32GB $12
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