Average Bench: 85.5% (35th of 108)

Based on 543 user benchmarks.  Model: Corsair CMU32GX4M4A2666C16 4x8GB

Very good average bench

The Corsair CMU32GX4M4A2666C16 4x8GB averaged just 14.4% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Corsair CMU32GX4M4A2666C16 4x8GB near the top of the comparison list.

Strengths

Avg. 16 Core Write Bench 34GB/s
Avg. 16 Core Read Bench 31GB/s

Average consistency

The range of scores (95th - 5th percentile) for the Corsair CMU32GX4M4A2666C16 4x8GB is 46.2%. This is a relatively wide range which indicates that the Corsair CMU32GX4M4A2666C16 4x8GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 1 Core Read Bench 17.4GB/s
Avg. Physical RAM Latency 71.5ns
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Average Bench

(Based on 543 samples)
Min Avg Max
23.5 MC Read 31 42.2
24.9 MC Write 34 54.5
21.3 MC Mixed 28.1 41.9
88.6% 31 GB/s
Min Avg Max
8.41 SC Read 17.4 22.1
19.4 SC Write 30.1 38.5
11.2 SC Mixed 23.4 29.7
67.6% 23.7 GB/s
Min Avg Max
57.4 Latency 71.5 106
55.9% 71.5 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
4 of 8 slots used
32GB DIMM DDR4 2134 MHz clocked @ 1067 MHz
MC Read 53
MC Write 56.4
MC Mixed 51.9
154% 53.8 GB/s
SC Read 15.3
SC Write 31.3
SC Mixed 22.2
66% 22.9 GB/s
Latency 115
35% 115 ns
4 of 4 slots used
32GB DIMM DDR4 clocked @ 2666 MHz
MC Read 36.8
MC Write 33.5
MC Mixed 33
98% 34.4 GB/s
SC Read 24.7
SC Write 35.6
SC Mixed 28.6
85% 29.6 GB/s
Latency 84.3
48% 84.3 ns
4 of 4 slots used
32GB DIMM DDR4 2667 MHz clocked @ 1333 MHz
MC Read 36.6
MC Write 32.5
MC Mixed 32.2
96% 33.8 GB/s
SC Read 22.1
SC Write 34.2
SC Mixed 27.4
80% 27.9 GB/s
Latency 85.9
47% 85.9 ns
4 of 4 slots used
32GB DIMM DDR4 clocked @ 2666 MHz
MC Read 30.7
MC Write 32.4
MC Mixed 26
85% 29.7 GB/s
SC Read 17.2
SC Write 36.3
SC Mixed 25.4
75% 26.3 GB/s
Latency 66.6
60% 66.6 ns
4 of 4 slots used
32GB DIMM DDR4 clocked @ 2400 MHz
MC Read 29.4
MC Write 31
MC Mixed 25.3
82% 28.6 GB/s
SC Read 19.4
SC Write 33.1
SC Mixed 25.7
74% 26.1 GB/s
Latency 62.7
64% 62.7 ns
4 of 4 slots used
32GB DIMM DDR4 clocked @ 2133 MHz
MC Read 25.6
MC Write 26.8
MC Mixed 22.3
71% 24.9 GB/s
SC Read 18.1
SC Write 29.7
SC Mixed 24.4
69% 24.1 GB/s
Latency 71.9
56% 71.9 ns
4 of 4 slots used
32GB DIMM DDR4 clocked @ 2133 MHz
MC Read 23.2
MC Write 23.4
MC Mixed 18.6
62% 21.7 GB/s
SC Read 14.9
SC Write 23.8
SC Mixed 21.5
57% 20.1 GB/s
Latency 68.9
58% 68.9 ns
543 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,761,136 RAM Kits tested.

Typical CMU32GX4M4A2666C16 4x8GB Builds (Compare 4,988 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 112%
UFO
Desktop
Desktop 112%
UFO
Workstation
Workstation 77%
Battleship

Motherboard: Asus MAXIMUS IX FORMULA - $413

EDIT WITH CUSTOM PC BUILDER Value: 49% - Average Total price: $1,706

Popular CMU32GX4M4A2666C16 4x8GB compatible motherboards:

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  • - CPU tests include: integer, floating and string.
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  • - Drive tests include: read, write, sustained write and mixed IO.
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Memory Kit Rankings (Price vs Performance) December 2019 RAM Rankings.

We calculate effective RAM speed which measures performance for typical desktop users. Effective speed is adjusted by current cost per GB to yield value for money. 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 Memory Kits. [RAMPro]

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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

108 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.
CPUGPUSSD
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Intel Core i7-9700K $360AMD RX 590 $180Samsung 860 Evo 250GB $55
HDDRAMUSB
Seagate Barracuda 1TB (2016) $38Corsair Vengeance LPX DDR4 3200 C16 2x8GB $76SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $58SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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