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Kingston

KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G 64GB

▲ 500 ▼

Release date ≈ Q3 2017.

Average Bench: 92.8% (15th of 115)

Based on 4 user benchmarks.  Model: Kingston KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G 64GB
Poor: 92%Average: 92.8% Great: 94%

Popular builds with this RAM

Excellent average bench

The Kingston KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G 64GB averaged just 7.1% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Kingston KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G 64GB near the top of the comparison list.

Strengths

Avg. 16 Core Write Bench 50.7GB/s
Avg. 16 Core Mixed IO Bench 31GB/s

Unknown consistency

There are too few samples to reasonably determine how consistently this RAM perfroms. This result should be interpreted with caution.

Weaknesses

Avg. 1 Core Read Bench 7.5GB/s
Avg. 1 Core Mixed IO Bench 10GB/s
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Average Bench

(Based on 4 samples)
Rank 1592.8%
Min Avg Max
29.4 MC Read 30 30.8
50.2 MC Write 50.7 51
30.8 MC Mixed 31 31.3
106% 37.2 GB/s
Min Avg Max
7.4 SC Read 7.5 7.6
17.5 SC Write 18 18.8
9.7 SC Mixed 10 10.8
33.9% 11.9 GB/s
Min Avg Max
87.8 Latency 89.2 91
44.9% 89.2 ns
User Benchmarks BenchMulti coreSingle coreLatency
The fastest RAM (mainstream) averages a speed of 100%
2133, 2133, 2133, 2133, 2133, 2133, 2133, 2133 MHz
8192, 8192, 8192, 8192, 8192, 8192, 8192, 8192 MB
94.2% Outstanding
MC Read 30.8
MC Write 51
MC Mixed 31.3
108% 37.7 GB/s
SC Read 7.5
SC Write 18.8
SC Mixed 10.8
35% 12.4 GB/s
Latency 87.8
46% 87.8 ns
2133, 2133, 2133, 2133, 2133, 2133, 2133, 2133 MHz
8192, 8192, 8192, 8192, 8192, 8192, 8192, 8192 MB
92.7% Outstanding
MC Read 29.8
MC Write 51
MC Mixed 31
106% 37.3 GB/s
SC Read 7.5
SC Write 17.5
SC Mixed 9.7
33% 11.6 GB/s
Latency 89.8
45% 89.8 ns
2133, 2133, 2133, 2133, 2133, 2133, 2133, 2133 MHz
8192, 8192, 8192, 8192, 8192, 8192, 8192, 8192 MB
92.7% Outstanding
MC Read 29.9
MC Write 50.7
MC Mixed 31
106% 37.2 GB/s
SC Read 7.4
SC Write 17.9
SC Mixed 9.8
33% 11.7 GB/s
Latency 88.2
45% 88.2 ns
2133, 2133, 2133, 2133, 2133, 2133, 2133, 2133 MHz
8192, 8192, 8192, 8192, 8192, 8192, 8192, 8192 MB
91.8% Outstanding
MC Read 29.4
MC Write 50.2
MC Mixed 30.8
105% 36.8 GB/s
SC Read 7.6
SC Write 18
SC Mixed 9.8
34% 11.8 GB/s
Latency 91
44% 91 ns

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,029,112 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 KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G 64GB Builds (Compare 1,067 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 103%
UFO
Desktop
Desktop 89%
Aircraft carrier
Workstation
Workstation 104%
UFO

Motherboard: Asus PRIME X299-DELUXE - $190

CPU
Core i7-7820XIntel  $375Bench 80%, 28,524 samples267x
Core i9-7900XIntel  $462Bench 82%, 19,432 samples254x
Core i7-7800XIntel  $216Bench 78%, 22,334 samples130x
GPU
GTX 1080-TiNvidia  $485Bench 124%, 840,268 samples258x
RTX 2080-TiNvidia  $441Bench 156%, 357,946 samples73x
GTX 1080Nvidia  $400Bench 102%, 1,082,454 samples72x
SSD
970 Evo Plus NVMe PCIe M.2 1TBSamsung  $95Bench 310%, 455,997 samples59x
970 Evo NVMe PCIe M.2 500GBSamsung  $43Bench 273%, 381,216 samples53x
960 Pro NVMe PCIe M.2 512GBSamsung  $139Bench 266%, 63,520 samples44x
RAM
KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G 64GBKingstonBench 93%, 4 samples1x
EDIT WITH CUSTOM PC BUILDER Value: 71% - Very good Total price: $1,145

Popular KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G KHX2666C15D4/8G KHX2133C14D4/8G 64GB 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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  • - 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

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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.

 Frequently Asked Questions

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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $274Nvidia RTX 4060 $295Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $183Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk 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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