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Kingston KHX2666C16D4/16GX

HyperX DDR4 2666 C16 2x16GB

▲ 501 ▼

Release date ≈ Q3 2020.

Average Bench: 79.8% (59th of 115)

Based on 2,046 user benchmarks.  Model: Kingston KHX2666C16D4/16GX 2x16GB
Poor: 56%Average: 79.8% Great: 94%

Popular builds with this RAM

Good average bench

The Kingston HyperX DDR4 2666 C16 2x16GB averaged 20.1% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Kingston HyperX DDR4 2666 C16 2x16GB near the top of the comparison list.

Strengths

Avg. 16 Core Read Bench 31.7GB/s
Avg. 1 Core Write Bench 29.3GB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Kingston HyperX DDR4 2666 C16 2x16GB is 38.1%. This is a relatively wide range which indicates that the Kingston HyperX DDR4 2666 C16 2x16GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 1 Core Read Bench 18.8GB/s
Avg. Physical RAM Latency 71ns
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Average Bench

(Based on 2,046 samples)
Rank 5979.8%
Min Avg Max
19.4 MC Read 31.7 37.7
18.2 MC Write 29 35.7
17.2 MC Mixed 24.3 31.2
81% 28.3 GB/s
Min Avg Max
13 SC Read 18.8 26.5
18 SC Write 29.3 37
16.2 SC Mixed 24.8 30.9
69.4% 24.3 GB/s
Min Avg Max
57.4 Latency 71 93.4
56.4% 71 ns
User Benchmarks BenchMulti coreSingle coreLatency
The fastest RAM (mainstream) averages a speed of 100%
2 of 4 slots used
32GB DIMM DDR4 clocked @ 3200 MHz
99.9% Outstanding
MC Read 39.2
MC Write 36.1
MC Mixed 34.5
105% 36.6 GB/s
SC Read 21.1
SC Write 36.6
SC Mixed 27.3
81% 28.3 GB/s
Latency 76.7
52% 76.7 ns
2 of 4 slots used
32GB DIMM DDR4 clocked @ 2667 MHz
83.1% Excellent
MC Read 34.4
MC Write 27
MC Mixed 28.7
86% 30 GB/s
SC Read 21.2
SC Write 30.1
SC Mixed 24.7
72% 25.3 GB/s
Latency 89.7
45% 89.7 ns
2 of 4 slots used
32GB DIMM DDR4 clocked @ 2667 MHz
81.2% Excellent
MC Read 30.3
MC Write 33.1
MC Mixed 23.9
83% 29.1 GB/s
SC Read 16.7
SC Write 30.8
SC Mixed 22.7
67% 23.4 GB/s
Latency 66.3
60% 66.3 ns
2 of 4 slots used
32GB DIMM DDR4 clocked @ 2667 MHz
79.3% Very good
MC Read 30.9
MC Write 31
MC Mixed 23.4
81% 28.4 GB/s
SC Read 17.4
SC Write 29.1
SC Mixed 22.4
66% 23 GB/s
Latency 70.2
57% 70.2 ns
2 of 4 slots used
32GB DIMM DDR4 clocked @ 2666 MHz
75.5% Very good
MC Read 29.5
MC Write 28.5
MC Mixed 21.6
76% 26.5 GB/s
SC Read 15.9
SC Write 30
SC Mixed 24.7
67% 23.5 GB/s
Latency 66.8
60% 66.8 ns
2 of 2 slots used
32GB DIMM DDR4 2667 MHz clocked @ 2400 MHz
71.8% Very good
MC Read 26.9
MC Write 27.4
MC Mixed 21
72% 25.1 GB/s
SC Read 18
SC Write 28
SC Mixed 22.2
65% 22.7 GB/s
Latency 67.5
59% 67.5 ns
2 of 4 slots used
32GB DIMM DDR4 clocked @ 2666 MHz
48.6% Average
MC Read 17.4
MC Write 17.2
MC Mixed 14.2
46% 16.3 GB/s
SC Read 14.2
SC Write 18
SC Mixed 16
46% 16.1 GB/s
Latency 69.3
58% 69.3 ns
2 of 4 slots used
32GB DIMM DDR4 clocked @ 2666 MHz
45.5% Average
MC Read 17.4
MC Write 13.2
MC Mixed 18.8
47% 16.5 GB/s
SC Read 11
SC Write 19
SC Mixed 14.9
43% 15 GB/s
Latency 229
18% 229 ns
2 of 4 slots used
32GB DIMM DDR4 clocked @ 2666 MHz
32.1% Below average
MC Read 11.7
MC Write 12.4
MC Mixed 10.3
33% 11.5 GB/s
SC Read 6.9
SC Write 10.1
SC Mixed 8.9
25% 8.63 GB/s
Latency 139
29% 139 ns
2,046 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,044,713 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 HyperX DDR4 2666 C16 2x16GB Builds (Compare 1,379 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 143%
UFO
Desktop
Desktop 101%
UFO
Workstation
Workstation 142%
UFO

Motherboard: Asus PRIME Z490M-PLUS

CPU
Core i7-10700KIntel  $236Bench 97%, 198,859 samples269x
Core i5-10600KIntel  $139Bench 92%, 70,951 samples202x
Core i7-10700Intel  $232Bench 93%, 71,010 samples152x
GPU
RTX 3070Nvidia  $400Bench 148%, 619,642 samples157x
RTX 3060-TiNvidia  $340Bench 128%, 442,467 samples105x
UHD Graphics 630IntelBench 5%, 39,219 samples93x
SSD
970 Evo Plus NVMe PCIe M.2 1TBSamsung  $90Bench 310%, 455,997 samples66x
970 Evo Plus NVMe PCIe M.2 500GBSamsung  $43Bench 276%, 367,854 samples52x
970 Evo NVMe PCIe M.2 500GBSamsung  $43Bench 273%, 381,216 samples37x
RAM
HyperX DDR4 2666 C16 2x16GBKingstonBench 80%, 2,046 samples1x
EDIT WITH CUSTOM PC BUILDER Value: 96% - Outstanding Total price: $726

Popular HyperX DDR4 2666 C16 2x16GB compatible motherboards:

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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

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 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177Nvidia 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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