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Kingston

KHX2666C16/8G CMK8GX4M1A2666C16 16GB

▲ 500 ▼

Release date ≈ Q2 2018.

Average Bench: 74.1% (72nd of 115)

Based on 50 user benchmarks.  Model: Kingston KHX2666C16/8G CMK8GX4M1A2666C16 16GB
Poor: 48%Average: 74.1% Great: 92%

Popular builds with this RAM

Good average bench

The Kingston KHX2666C16/8G CMK8GX4M1A2666C16 16GB averaged 25.9% 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.

Strengths

Avg. 16 Core Read Bench 29.2GB/s
Avg. 16 Core Mixed IO Bench 26.4GB/s

Average consistency

The range of scores (95th - 5th percentile) for the Kingston KHX2666C16/8G CMK8GX4M1A2666C16 16GB is 44.3%. This is a relatively wide range which indicates that the Kingston KHX2666C16/8G CMK8GX4M1A2666C16 16GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Physical RAM Latency 93.7ns
Avg. 1 Core Read Bench 19.6GB/s
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Average Bench

(Based on 50 samples)
Rank 7274.1%
Min Avg Max
14.1 MC Read 29.2 41.4
11.1 MC Write 24.6 37.8
12.1 MC Mixed 26.4 33.1
76.4% 26.7 GB/s
Min Avg Max
11.8 SC Read 19.6 24.4
9.8 SC Write 24.2 38.7
9.9 SC Mixed 22.8 32.1
63.4% 22.2 GB/s
Min Avg Max
74 Latency 93.7 146
42.7% 93.7 ns
User Benchmarks BenchMulti coreSingle coreLatency
The fastest RAM (mainstream) averages a speed of 100%
2667, 2667 MHz
8192, 8192 MB
94.9% Outstanding
MC Read 37.6
MC Write 35.4
MC Mixed 31.7
100% 34.9 GB/s
SC Read 21.8
SC Write 33.5
SC Mixed 25.5
77% 26.9 GB/s
Latency 88.2
45% 88.2 ns
2667, 2667 MHz
8192, 8192 MB
89.5% Excellent
MC Read 33.5
MC Write 34.5
MC Mixed 30.7
94% 32.9 GB/s
SC Read 21.7
SC Write 29.9
SC Mixed 25.2
73% 25.6 GB/s
Latency 95.5
42% 95.5 ns
2666, 2666 MHz
8192, 8192 MB
88.1% Excellent
MC Read 34.8
MC Write 32.3
MC Mixed 31.1
94% 32.7 GB/s
SC Read 20.6
SC Write 23.8
SC Mixed 25.1
66% 23.2 GB/s
Latency 88.9
45% 88.9 ns
2667, 2667 MHz
8192, 8192 MB
87.7% Excellent
MC Read 35.9
MC Write 29.7
MC Mixed 29
90% 31.5 GB/s
SC Read 22.8
SC Write 34.1
SC Mixed 27.5
80% 28.1 GB/s
Latency 93.6
43% 93.6 ns
2667, 2667 MHz
8192, 8192 MB
86.1% Excellent
MC Read 35.6
MC Write 25.8
MC Mixed 30.2
87% 30.5 GB/s
SC Read 24.6
SC Write 33.9
SC Mixed 26.7
81% 28.4 GB/s
Latency 78.8
51% 78.8 ns
2133, 2133 MHz
8192, 8192 MB
79.8% Very good
MC Read 30.5
MC Write 29.3
MC Mixed 26.5
82% 28.8 GB/s
SC Read 21.9
SC Write 27.4
SC Mixed 24
70% 24.4 GB/s
Latency 90
44% 90 ns
2133, 2133 MHz
8192, 8192 MB
66% Good
MC Read 28.4
MC Write 16
MC Mixed 25.2
66% 23.2 GB/s
SC Read 23.1
SC Write 16.1
SC Mixed 25.1
61% 21.4 GB/s
Latency 86.6
46% 86.6 ns
2133, 2133 MHz
8192, 8192 MB
61.9% Good
MC Read 26.3
MC Write 21.4
MC Mixed 23.1
67% 23.6 GB/s
SC Read 10.5
SC Write 17.2
SC Mixed 14.2
40% 14 GB/s
Latency 146
28% 146 ns
50 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,010,054 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 KHX2666C16/8G CMK8GX4M1A2666C16 16GB Builds (Compare 721 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 33%
Sail boat
Desktop
Desktop 71%
Battleship
Workstation
Workstation 27%
Raft

Motherboard: MSI A320M PRO-E (MS-7A36)

CPU
Ryzen 3 2200GAMD  $104Bench 60%, 181,631 samples153x
Ryzen 5 2600AMD  $125Bench 73%, 179,588 samples150x
Ryzen 5 2600XAMD  $120Bench 74%, 142,983 samples58x
GPU
RX 570AMD  $130Bench 45%, 473,685 samples88x
GTX 1050-TiNvidia  $59Bench 29%, 946,701 samples64x
RX 580AMD  $130Bench 52%, 360,351 samples46x
SSD
SU630 240GBAdataBench 64%, 60,212 samples50x
A400 240GBKingston  $28Bench 66%, 424,288 samples36x
Burst 240GBPatriotBench 73%, 26,886 samples19x
RAM
KHX2666C16/8G CMK8GX4M1A2666C16 16GBKingstonBench 74%, 50 samples1x
EDIT WITH CUSTOM PC BUILDER Value: 81% - Excellent Total price: $234

Popular KHX2666C16/8G CMK8GX4M1A2666C16 16GB compatible motherboards:

How Fast Is Your RAM? (Bench your build) Size up your PC in less than a minute

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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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
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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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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 $133Nvidia 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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