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Corsair CMK64GX4M4A2666C16

Vengeance LPX DDR4 2666 C16 8x16GB

▲ 500 ▼

Release date ≈ Q1 2017.

Average Bench: 115% (2nd of 115)

Based on 175 user benchmarks.  Model: Corsair Vengeance LPX CMK64GX4M4A2666C16 8x16GB
Poor: 69%Average: 115% Great: 161%

Popular builds with this RAM

Outstanding average bench

The Corsair Vengeance LPX DDR4 2666 C16 8x16GB averaged 15.5% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Corsair Vengeance LPX DDR4 2666 C16 8x16GB near the top of the comparison list.

Strengths

Avg. 16 Core Write Bench 49GB/s
Avg. 16 Core Read Bench 44.8GB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Corsair Vengeance LPX DDR4 2666 C16 8x16GB is 92.7%. This is a particularly wide range which indicates that the Corsair Vengeance LPX DDR4 2666 C16 8x16GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Physical RAM Latency 103ns
Avg. 1 Core Read Bench 14.6GB/s
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Average Bench

(Based on 175 samples)
Rank 2115%
Min Avg Max
24.9 MC Read 44.8 66
23 MC Write 49 65.6
23.3 MC Mixed 42.8 65.7
130% 45.6 GB/s
Min Avg Max
5.9 SC Read 14.6 23.8
15.8 SC Write 24.1 38
8.28 SC Mixed 20.7 34.1
56.7% 19.8 GB/s
Min Avg Max
58.4 Latency 103 138
38.9% 103 ns
User Benchmarks BenchMulti coreSingle coreLatency
The fastest RAM (mainstream) averages a speed of 100%
8 of 8 slots used
128GB DIMM DDR4 2667 MHz clocked @ 3200 MHz
138% Outstanding
MC Read 56
MC Write 56
MC Mixed 53
157% 55 GB/s
SC Read 15.4
SC Write 20.2
SC Mixed 22.3
55% 19.3 GB/s
Latency 59.9
67% 59.9 ns
8 of 8 slots used
128GB DIMM DDR4 clocked @ 2666 MHz
122% Outstanding
MC Read 41.5
MC Write 65.2
MC Mixed 42.7
142% 49.8 GB/s
SC Read 7.7
SC Write 21.4
SC Mixed 11.1
38% 13.4 GB/s
Latency 91.2
44% 91.2 ns
8 of 8 slots used
128GB DIMM DDR4 clocked @ 2133 MHz
120% Outstanding
MC Read 49.9
MC Write 50.4
MC Mixed 43.4
137% 47.9 GB/s
SC Read 14
SC Write 18.9
SC Mixed 19.4
50% 17.4 GB/s
Latency 80.1
50% 80.1 ns
8 of 8 slots used
128GB DIMM DDR4 clocked @ 2133 MHz
114% Outstanding
MC Read 46.2
MC Write 47.7
MC Mixed 41.9
129% 45.3 GB/s
SC Read 12.6
SC Write 15.7
SC Mixed 18.8
45% 15.7 GB/s
Latency 72.4
55% 72.4 ns
8 of 8 slots used
128GB DIMM DDR4 2667 MHz clocked @ 2133 MHz
109% Outstanding
MC Read 39
MC Write 48.2
MC Mixed 41.5
123% 42.9 GB/s
SC Read 13.4
SC Write 18.5
SC Mixed 18.9
48% 16.9 GB/s
Latency 77.1
52% 77.1 ns
8 of 8 slots used
128GB DIMM DDR4 clocked @ 2666 MHz
105% Outstanding
MC Read 31.8
MC Write 61.2
MC Mixed 34.6
122% 42.5 GB/s
SC Read 8
SC Write 21.9
SC Mixed 10.8
39% 13.6 GB/s
Latency 93
43% 93 ns
8 of 8 slots used
128GB DIMM DDR4 clocked @ 2666 MHz
90% Outstanding
MC Read 27.2
MC Write 50.4
MC Mixed 29.8
102% 35.8 GB/s
SC Read 8
SC Write 22.2
SC Mixed 9.9
38% 13.4 GB/s
Latency 98.1
41% 98.1 ns
8 of 8 slots used
128GB DIMM DDR4 clocked @ 2133 MHz
87.1% Excellent
MC Read 27.8
MC Write 45.7
MC Mixed 30.7
99% 34.7 GB/s
SC Read 7.8
SC Write 21.2
SC Mixed 9
36% 12.7 GB/s
Latency 106
38% 106 ns
175 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,035,063 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 Vengeance LPX DDR4 2666 C16 8x16GB Builds (Compare 246 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 179%
UFO
Desktop
Desktop 94%
Nuclear submarine
Workstation
Workstation 314%
UFO

Motherboard: Asus ROG ZENITH II EXTREME ALPHA

CPU
Ryzen TR 3970XAMD  $1,900Bench 86%, 5,130 samples102x
Ryzen TR 3960XAMD  $1,350Bench 87%, 6,609 samples88x
Ryzen TR 3990XAMDBench 86%, 1,222 samples54x
GPU
RTX 3090Nvidia  $1,306Bench 210%, 158,856 samples91x
RTX 3080-TiNvidia  $660Bench 204%, 155,335 samples20x
RTX 3080Nvidia  $910Bench 187%, 424,051 samples14x
SSD
980 Pro NVMe PCIe M.2 2TBSamsung  $168Bench 416%, 138,083 samples46x
970 Evo Plus NVMe PCIe M.2 2TBSamsung  $150Bench 336%, 200,600 samples21x
980 Pro NVMe PCIe M.2 1TBSamsung  $107Bench 394%, 276,089 samples16x
RAM
Vengeance LPX DDR4 2666 C16 8x16GBCorsairBench 115%, 175 samples1x
EDIT WITH CUSTOM PC BUILDER Value: 52% - Above average Total price: $3,374

Popular Vengeance LPX DDR4 2666 C16 8x16GB compatible motherboards:

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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 Ripjaws 4 DDR4 2400 C14 8x16GB
vs G.SKILL Trident Z DDR4 3200 C16 2x8GB

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 $273Nvidia RTX 4060 $295Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $178Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair 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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