Average Bench: 34.8% (69th of 72)

Based on 51 user benchmarks.  Model: Unknown Corsair CMY8GX3M2A1866C9 8GB

Poor average bench

The Unknown Corsair CMY8GX3M2A1866C9 8GB averaged 65.1% 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.


Avg. 16 Core Read Bench 15.4GB/s
Avg. Physical RAM Latency 97.3ns

Excellent consistency

The range of scores (95th - 5th percentile) for the Unknown Corsair CMY8GX3M2A1866C9 8GB is just 9.43%. This is an extremely narrow range which indicates that the Unknown Corsair CMY8GX3M2A1866C9 8GB performs superbly consistently under varying real world conditions.


Avg. 1 Core Read Bench 7.08GB/s
Avg. 1 Core Write Bench 7.1GB/s

Average Bench

(Based on 51 samples)
Min Avg Max
12.2 MC Read 15.4 18.1
6 MC Write 8.16 9.24
10.6 MC Mixed 13.8 16.7
35.5% 12.4 GB/s
Min Avg Max
4.66 SC Read 7.08 8.88
5.08 SC Write 7.1 8.5
6.36 SC Mixed 9.56 11.6
22.6% 7.92 GB/s
Min Avg Max
68 Latency 97.3 120
41.1% 97.3 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
1333, 1333 MHz
4096, 4096 MB
MC Read 16.3
MC Write 8.1
MC Mixed 13.7
36% 12.7 GB/s
SC Read 8
SC Write 8
SC Mixed 9.6
24% 8.53 GB/s
Latency 105
38% 105 ns
1333, 1333 MHz
4096, 4096 MB
MC Read 15.7
MC Write 6
MC Mixed 10.3
30% 10.7 GB/s
SC Read 8.3
SC Write 7.1
SC Mixed 10.1
24% 8.5 GB/s
Latency 77.1
52% 77.1 ns
1333, 1333 MHz
4096, 4096 MB
MC Read 13.3
MC Write 8.9
MC Mixed 12.1
33% 11.4 GB/s
SC Read 4.9
SC Write 5.8
SC Mixed 6.5
16% 5.73 GB/s
Latency 144
28% 144 ns
51 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 6,903,201 RAM Kits tested.

Typical Corsair CMY8GX3M2A1866C9 8GB Builds (Compare 1,250 builds) See popular component choices, score breakdowns and rankings.
Gaming 16%
Desktop 45%
Speed boat
Workstation 26%

Motherboard: Asus A88XM-PLUS - $104

EDIT WITH CUSTOM PC BUILDER Value: 71% - Very good Total price: $360

Popular Corsair CMY8GX3M2A1866C9 8GB compatible motherboards:

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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.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
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Memory Kit Rankings (Price vs Performance) February 2018 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]


Group Test Results

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


72 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

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Intel Core i7-7700K $290Nvidia GTX 1060-6GB $285Samsung 850 Evo 500GB $146
AMD Ryzen 5 1600 $170AMD RX 480 $400Samsung 850 Pro 256GB $125
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $185SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $79G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $23
Seagate Barracuda 7200.14 1TB $42Corsair Vengeance LPX DDR4 3200 C16 2x8GB $206SanDisk Extreme 16GB $18
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