TEST
YOUR RAM
ADD TO PC
BUILD

Corsair CMK16GX4M2A2666C16(|R)

Vengeance LPX DDR4 2666 C16 2x8GB

▲ 55215 ▼

Release date: Q4 2014.

Average Bench: 76.7% (65th of 115)

Based on 131,007 user benchmarks.  Model: Corsair Vengeance LPX CMK16GX4M2A2666C16 2x8GB
Poor: 56%Average: 76.7% Great: 95%

Popular builds with this RAM

Good average bench

The Corsair Vengeance LPX DDR4 2666 C16 2x8GB averaged 23.3% 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.

Strengths

Avg. 16 Core Read Bench 29.8GB/s
Avg. 16 Core Write Bench 28GB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Corsair Vengeance LPX DDR4 2666 C16 2x8GB is 39.1%. This is a relatively wide range which indicates that the Corsair Vengeance LPX DDR4 2666 C16 2x8GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Physical RAM Latency 76.9ns
Avg. 1 Core Read Bench 18.3GB/s
ADVERTISEMENT

Average Bench

(Based on 131,007 samples)
Rank 6576.7%
Min Avg Max
21.7 MC Read 29.8 37.3
16.1 MC Write 28 36
18.8 MC Mixed 24.3 31.3
78.1% 27.3 GB/s
Min Avg Max
13 SC Read 18.3 25.1
15.5 SC Write 27.6 37.4
16.6 SC Mixed 23.3 29.2
65.9% 23.1 GB/s
Min Avg Max
58.1 Latency 76.9 106
52% 76.9 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
2 of 4 slots used
16GB DIMM DDR4 clocked @ 3000 MHz
101% Outstanding
MC Read 40.7
MC Write 37.2
MC Mixed 32.3
105% 36.7 GB/s
SC Read 26.9
SC Write 34.9
SC Mixed 28.3
86% 30 GB/s
Latency 73.2
55% 73.2 ns
2 of 2 slots used
16GB DIMM DDR4 clocked @ 2666 MHz
84.6% Excellent
MC Read 31.8
MC Write 34.1
MC Mixed 25.1
87% 30.3 GB/s
SC Read 17.4
SC Write 27.8
SC Mixed 25
67% 23.4 GB/s
Latency 59.1
68% 59.1 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
69% Good
MC Read 26
MC Write 22.9
MC Mixed 24.5
70% 24.5 GB/s
SC Read 21.1
SC Write 22.2
SC Mixed 23.3
63% 22.2 GB/s
Latency 90
44% 90 ns
2 of 4 slots used
16GB DIMM DDR4 clocked @ 2133 MHz
65.4% Good
MC Read 20.8
MC Write 25.5
MC Mixed 23.2
66% 23.2 GB/s
SC Read 14.1
SC Write 25.2
SC Mixed 20
56% 19.8 GB/s
Latency 78.9
51% 78.9 ns
131,007 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 63,772,206 RAM Kits tested.

 Prices

If you buy via one of these links, our site may earn a commission.

MSRP ≈ $79 @ launch in Oct '14
AmazonUS CMK16GX4M2A2666C16 $403 mins
EbayUS CMK16GX4M2A2666C16 $5014 mins
AmazonUS CMK16GX4M2A2666C16R $857 months
Send price feedback
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 2x8GB Builds (Compare 27,602 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 112%
UFO
Desktop
Desktop 96%
Nuclear submarine
Workstation
Workstation 103%
UFO

Motherboard: MSI Z390-A PRO (MS-7B98) - $164

CPU
Core i7-9700KIntel  $279Bench 97%, 550,833 samples6,968x
Core i5-9600KIntel  $120Bench 93%, 321,194 samples6,727x
Core i9-9900KIntel  $500Bench 98%, 354,223 samples3,335x
GPU
RTX 2070S (Super)Nvidia  $378Bench 115%, 663,603 samples2,087x
RTX 2060Nvidia  $235Bench 90%, 645,160 samples1,987x
RTX 2070Nvidia  $450Bench 104%, 478,117 samples1,854x
SSD
860 Evo 500GBSamsung  $50Bench 105%, 762,998 samples1,065x
860 Evo 1TBSamsung  $129Bench 112%, 602,853 samples915x
970 Evo Plus NVMe PCIe M.2 1TBSamsung  $49Bench 310%, 455,997 samples855x
RAM
Vengeance LPX DDR4 2666 C16 2x8GBCorsair  $40Bench 77%, 131,007 samples1x
EDIT WITH CUSTOM PC BUILDER Value: 84% - Excellent Total price: $912

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.

UserBenchmark of the month

Gaming Desktop ProGaming

How it works

  • - Download and run UserBenchmark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - SkillBench (space shooter) tests user input accuracy.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
Memory Kit Rankings (Price vs Performance) September 2023 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]

ADVERTISEMENT

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

RAMPro
Avatar level
1,235

Official site www.corsair.com/...

Added 7 years ago.
USA-User
Avatar level
9,516

Liked (edit your comment) Add link

2 days ago.

gangsteras
Avatar level
6

Excellent

4 years ago.

Just great and i rock it !!!

silenttouch20
Avatar level
6

Good

2 years ago.

cheap yet one of the best ddr4 memory

BloodK1nG
Avatar level
4

Excellent

5 years ago.

perfect

Titaniumbear75
Avatar level
4

Average

4 years ago.

Had to RMA a stick due to constant BSOD and failed memtest86. Still experienced rare BSOD with new ram due to the failed stick corrupting windows system files, had to reinstall windows to fix the issue.

Your
opinion?
▲Like ▼Dislike
Ready to retire
Age: 8 years

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 Corsair Vengeance LPX DDR4 2666 C16 2x8GB
vs G.SKILL Trident Z DDR4 3600 C16 2x8GB
vs HyperX Fury DDR4 2133 C14 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.

 Frequently Asked Questions

Computer Components FAQ
What is the UBM value for money rating?
What is UBM Effective Speed?
Thunderbolt speed?
Are USB 3.0 cables different?
USB 3.0 vs 2.0 speed difference?
Why buy USB 3.0 today?
USB 3.0 / 4.0 release dates and max speeds?
Graphics Cards
How to force Optimus or Switchable discrete GPUs?
What are the UBM DX11 GPU tests?
What are the UBM DX10 GPU tests?
What are the UBM DX09 GPU tests?
What is the Splatting GPU benchmark?
What is the Gravity (NBody) GPU benchmark?
Memory Kits
What is the RAM value for money rating?
What is the effective RAM speed index?
What is the system memory latency ladder?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $310Nvidia RTX 4060 $300Crucial MX500 250GB $30
Intel Core i5-12400F $150Nvidia RTX 4060-Ti $397Samsung 850 Evo 120GB $60
Intel Core i5-12600K $215Nvidia RTX 3060-Ti $260Samsung 860 Evo 250GB $50
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair 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) $50G.SKILL Trident Z DDR4 3200 C14 4x16GB $381SanDisk Ultra Fit 32GB $16
Today's hottest
Amazon Ebay
deals
CPU GPU SSD HDD USB RAM MBD
Build Test EFps
Can You Run It?
►
YouTube
*NEW*
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback