TEST
YOUR RAM
ADD TO PC
BUILD

Corsair CMK16GX4M2A2666C16(|R)

Vengeance LPX DDR4 2666 C16 2x8GB

▲ 61174 ▼

Release date: Q4 2014.

VS

Average Bench: 78.3% (55th of 105)

Based on 18,768 user benchmarks.  Model: Corsair Vengeance LPX CMK16GX4M2A2666C16 2x8GB
Poor: 52%Average: 78.3% Great: 96%

Popular builds with this RAM

Good average bench

The Corsair Vengeance LPX DDR4 2666 C16 2x8GB averaged 21.7% 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 30GB/s
Avg. 16 Core Write Bench 29.3GB/s

Average consistency

The range of scores (95th - 5th percentile) for the Corsair Vengeance LPX DDR4 2666 C16 2x8GB is 44.4%. 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. 1 Core Read Bench 18.1GB/s
Avg. Physical RAM Latency 70.8ns
ADVERTISEMENT

Average Bench

(Based on 18,768 samples)
Rank 5578.3%
Min Avg Max
18.6 MC Read 30 37.7
18 MC Write 29.3 36
16.4 MC Mixed 24.2 32.1
79.6% 27.8 GB/s
Min Avg Max
12.8 SC Read 18.1 23.2
15.3 SC Write 28.6 37.1
14.8 SC Mixed 23.5 28.7
66.8% 23.4 GB/s
Min Avg Max
56.1 Latency 70.8 100
56.5% 70.8 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 @ 3200 MHz
97.6% Outstanding
MC Read 38.4
MC Write 36.3
MC Mixed 27.3
97% 34 GB/s
SC Read 23.7
SC Write 38.6
SC Mixed 33.1
91% 31.8 GB/s
Latency 51.1
78% 51.1 ns
2 of 4 slots used
16GB DIMM DDR4 2666 MHz clocked @ 1333 MHz
95.4% Outstanding
MC Read 37.7
MC Write 35.1
MC Mixed 31.6
99% 34.8 GB/s
SC Read 23.3
SC Write 34.9
SC Mixed 26.9
81% 28.4 GB/s
Latency 86.3
46% 86.3 ns
2 of 4 slots used
16GB DIMM DDR4 2666 MHz clocked @ 1333 MHz
89% Excellent
MC Read 36.3
MC Write 32
MC Mixed 31
95% 33.1 GB/s
SC Read 19.7
SC Write 26.5
SC Mixed 23.2
66% 23.1 GB/s
Latency 87.1
46% 87.1 ns
18,768 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 11,523,878 RAM Kits tested.

 Prices

Approx. $79 @ launch in Oct '14
AmazonUS CMK16GX4M2A2666C16 $13024 mins
NeweggUS CMK16GX4M2A2666C16 $13010 hrs
NeweggUS CMK16GX4M2A2666C16R $13010 hrs
OutletPCUS CMK16GX4M2A2666C16R $13818 hrs
OutletPCUS CMK16GX4M2A2666C16 $13818 hrs
AmazonUS CMK16GX4M2A2666C16R $20024 mins
EbayUS CMK16GX4M2A2666C16R $2105 mins
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 19,162 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 92%
Nuclear submarine
Desktop
Desktop 84%
Aircraft carrier
Workstation
Workstation 64%
Destroyer

Motherboard: Asus Z170 PRO GAMING - $157

CPU
Core i7-6700KIntel  $280Bench 87%, 209,763 samples8,505x
Core i5-6600KIntel  $234Bench 84%, 135,646 samples6,020x
Core i7-6700Intel  $304Bench 75%, 83,014 samples1,167x
GPU
GTX 1070Nvidia  $330Bench 98%, 400,102 samples3,846x
GTX 1080Nvidia  $460Bench 123%, 332,411 samples2,594x
GTX 970Nvidia  $300Bench 64%, 328,704 samples2,472x
SSD
850 Evo 250GBSamsung  $85Bench 103%, 342,830 samples2,544x
850 Evo 500GBSamsung  $103Bench 110%, 237,348 samples1,852x
960 Evo NVMe PCIe M.2 250GBSamsung  $100Bench 196%, 101,901 samples566x
RAM
Vengeance LPX DDR4 2666 C16 2x8GBCorsair  $130Bench 78%, 18,768 samples1x
EDIT WITH CUSTOM PC BUILDER Value: 99% - Outstanding Total price: $982

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

Desktop Gaming Workstation

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.
  • - 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.
  • - Share your opinion by voting.
Memory Kit Rankings (Price vs Performance) November 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]

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
735

Official site www.corsair.com/...

Added 2 years ago.
USA-User
Avatar level
4,474

Liked (edit your comment) Add link

21 days ago.

BloodK1nG
Avatar level
4

Excellent

8 months ago.

perfect

Your
opinion?
▲Like ▼Dislike
Ready to retire
Age: 4 years

Speed Comparisons

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

105 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 i7-8700K $359Nvidia GTX 1070 $330Samsung 850 Evo 250GB $85
AMD Ryzen 5 1600 $130Nvidia GTX 1060-6GB $243Samsung 850 Evo 500GB $103
Intel Core i5-8600K $237Nvidia GTX 1080-Ti $770Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $130SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $130SanDisk Ultra Fit 32GB $12
Today's hottest
Amazon Ebay Newegg
deals
CPU GPU SSD HDD USB RAM MBD
Test your PC Build a PC
FPS Estimates
User Guide  •  About  •  FAQs  •  Email  •  Privacy  •  Developer Feedback