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Corsair CMD32GX4M4A2666C16

Dominator DDR4 2666 C16 2x8GB

▲ 500 ▼

Release date ≈ Q4 2016.

Average Bench: 79.2% (60th of 115)

Based on 138 user benchmarks.  Model: Corsair Dominator CMD32GX4M4A2666C16 2x8GB
Poor: 55%Average: 79.2% Great: 100%

Popular builds with this RAM

Good average bench

The Corsair Dominator DDR4 2666 C16 2x8GB averaged 20.8% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Corsair Dominator DDR4 2666 C16 2x8GB near the top of the comparison list.

Strengths

Avg. 16 Core Read Bench 30.5GB/s
Avg. 1 Core Write Bench 28.4GB/s

Average consistency

The range of scores (95th - 5th percentile) for the Corsair Dominator DDR4 2666 C16 2x8GB is 45.4%. This is a relatively wide range which indicates that the Corsair Dominator DDR4 2666 C16 2x8GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 1 Core Read Bench 18.6GB/s
Avg. Physical RAM Latency 70.2ns
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Average Bench

(Based on 138 samples)
Rank 6079.2%
Min Avg Max
17.8 MC Read 30.5 39.6
17.3 MC Write 28.4 37.2
14.8 MC Mixed 25.5 34.1
80.4% 28.1 GB/s
Min Avg Max
12.2 SC Read 18.6 25.4
15.9 SC Write 28.4 40.6
14.1 SC Mixed 24.3 31
67.9% 23.8 GB/s
Min Avg Max
55.9 Latency 70.2 99.4
57% 70.2 ns
User Benchmarks BenchMulti coreSingle coreLatency
The fastest RAM (mainstream) averages a speed of 100%
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2666 MHz
87.5% Excellent
MC Read 35.5
MC Write 28.5
MC Mixed 31.3
91% 31.8 GB/s
SC Read 20.7
SC Write 30.8
SC Mixed 26.7
74% 26.1 GB/s
Latency 86.2
46% 86.2 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2666 MHz
82.4% Excellent
MC Read 35
MC Write 19.7
MC Mixed 32.4
83% 29 GB/s
SC Read 27.7
SC Write 19.6
SC Mixed 33.5
77% 26.9 GB/s
Latency 72.8
55% 72.8 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2666 MHz
82.3% Excellent
MC Read 34.8
MC Write 20.1
MC Mixed 32.2
83% 29 GB/s
SC Read 27.8
SC Write 20
SC Mixed 33.1
77% 27 GB/s
Latency 74.1
54% 74.1 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
80.1% Excellent
MC Read 29.9
MC Write 30
MC Mixed 25.3
81% 28.4 GB/s
SC Read 17.7
SC Write 30.2
SC Mixed 24.3
69% 24.1 GB/s
Latency 64.9
62% 64.9 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
78.4% Very good
MC Read 28.9
MC Write 29.8
MC Mixed 25.1
80% 27.9 GB/s
SC Read 15.6
SC Write 30.2
SC Mixed 24.2
67% 23.3 GB/s
Latency 68.8
58% 68.8 ns
2 of 8 slots used
16GB DIMM clocked @ 2133 MHz
66.7% Good
MC Read 29.1
MC Write 21.6
MC Mixed 21.8
69% 24.2 GB/s
SC Read 14.2
SC Write 18.2
SC Mixed 19.6
50% 17.3 GB/s
Latency 74.2
54% 74.2 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2666 MHz
49.2% Average
MC Read 17.5
MC Write 16.3
MC Mixed 16.6
48% 16.8 GB/s
SC Read 18
SC Write 17.9
SC Mixed 15.6
49% 17.2 GB/s
Latency 94.4
42% 94.4 ns
138 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,008,098 RAM Kits tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical Dominator DDR4 2666 C16 2x8GB Builds (Compare 156 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 68%
Battle cruiser
Desktop
Desktop 87%
Aircraft carrier
Workstation
Workstation 58%
Gunboat

Motherboard: Gigabyte GA-Z170X-GamingG1

CPU
Core i7-6700KIntel  $180Bench 81%, 588,978 samples117x
Core i7-7700KIntel  $242Bench 84%, 712,312 samples18x
Core i7-6700Intel  $180Bench 72%, 282,363 samples14x
GPU
GTX 980-TiNvidia  $560Bench 79%, 214,030 samples24x
GTX 1080Nvidia  $400Bench 102%, 1,082,454 samples21x
GTX 1070Nvidia  $132Bench 80%, 1,459,281 samples17x
SSD
850 Evo 500GBSamsung  $109Bench 112%, 695,664 samples6x
970 Evo NVMe PCIe M.2 500GBSamsung  $43Bench 273%, 381,216 samples6x
950 NVMe PCIe M.2 512GBSamsung  $625Bench 223%, 54,978 samples6x
RAM
Dominator DDR4 2666 C16 2x8GBCorsairBench 79%, 138 samples1x
EDIT WITH CUSTOM PC BUILDER Value: 44% - Average Total price: $849

Popular Dominator DDR4 2666 C16 2x8GB compatible motherboards:

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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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  • - Drive tests include: read, write, sustained write and mixed IO
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Memory Kit Rankings (Price vs Performance) April 2024 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.

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Speed Comparisons

vs Corsair Vengeance LPX DDR4 3200 C16 2x8GB
vs Corsair Vengeance LPX DDR4 3000 C15 2x8GB
vs G.SKILL Trident Z DDR4 3200 C14 4x16GB
vs G.SKILL Trident Z DDR4 3600 C16 2x8GB
vs HyperX Fury DDR4 2133 C14 2x8GB
vs Corsair Vengeance LPX DDR4 2666 C16 2x8GB
vs Corsair Vengeance LPX DDR4 2133 C13 2x8GB
vs G.SKILL Trident Z DDR4 3200 C16 2x8GB
vs G.SKILL Ripjaws 4 DDR4 2400 C14 8x16GB

115 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.

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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $182Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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