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Samsung

M393A2K40BB2-CTD 16x16GB

▲ 500 ▼

Release date ≈ Q1 2018.

Average Bench: 126% (1st of 115)

Based on 12 user benchmarks.  Model: Samsung M393A2K40BB2-CTD 16x16GB
Poor: 65%Average: 126% Great: 150%

Popular builds with this RAM

Outstanding average bench

The Samsung M393A2K40BB2-CTD 16x16GB averaged 25.9% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung M393A2K40BB2-CTD 16x16GB near the top of the comparison list.

Strengths

Avg. 16 Core Write Bench 62.4GB/s
Avg. 16 Core Read Bench 50GB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung M393A2K40BB2-CTD 16x16GB is 84.8%. This is a particularly wide range which indicates that the Samsung M393A2K40BB2-CTD 16x16GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 1 Core Write Bench 7.78GB/s
Avg. 1 Core Read Bench 7.97GB/s
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Average Bench

(Based on 12 samples)
Rank 1126%
Min Avg Max
20.6 MC Read 50 61.7
31.6 MC Write 62.4 77
20.4 MC Mixed 45.5 55
150% 52.7 GB/s
Min Avg Max
5.6 SC Read 7.97 22
6.7 SC Write 7.78 17.6
6.3 SC Mixed 8.39 26.4
23% 8.05 GB/s
Min Avg Max
72.2 Latency 85.1 105
47% 85.1 ns
User Benchmarks BenchMulti coreSingle coreLatency
The fastest RAM (mainstream) averages a speed of 100%
16 of 16 slots used
256GB DIMM DDR4 clocked @ 2666 MHz
152% Outstanding
MC Read 61.7
MC Write 77
MC Mixed 54.2
184% 64.3 GB/s
SC Read 6.8
SC Write 6.8
SC Mixed 7.1
20% 6.9 GB/s
Latency 83.3
48% 83.3 ns
16 of 16 slots used
256GB DIMM DDR4 clocked @ 2666 MHz
147% Outstanding
MC Read 61.5
MC Write 70.9
MC Mixed 54.2
178% 62.2 GB/s
SC Read 6.6
SC Write 7.1
SC Mixed 6.5
19% 6.73 GB/s
Latency 79.4
50% 79.4 ns
16 of 16 slots used
256GB DIMM DDR4 clocked @ 2666 MHz
145% Outstanding
MC Read 61.5
MC Write 70
MC Mixed 54.4
177% 62 GB/s
SC Read 6.8
SC Write 6.8
SC Mixed 6.5
19% 6.7 GB/s
Latency 105
38% 105 ns
16 of 16 slots used
256GB DIMM DDR4 clocked @ 2666 MHz
141% Outstanding
MC Read 54.4
MC Write 71.1
MC Mixed 53.8
171% 59.8 GB/s
SC Read 7.1
SC Write 6.8
SC Mixed 6.8
20% 6.9 GB/s
Latency 85.6
47% 85.6 ns
16 of 16 slots used
256GB DIMM DDR4 clocked @ 2666 MHz
117% Outstanding
MC Read 36.9
MC Write 68.8
MC Mixed 42.4
141% 49.4 GB/s
SC Read 5.6
SC Write 6.8
SC Mixed 7
18% 6.47 GB/s
Latency 92.7
43% 92.7 ns
12 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,082,022 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 M393A2K40BB2-CTD 16x16GB Builds (Compare 3 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 64%
Destroyer
Desktop
Desktop 82%
Aircraft carrier
Workstation
Workstation 87%
Aircraft carrier

System: Supermicro X11DAC

CPU
CPU: Intel Xeon Platinum 81601stBench 72%, 86 samples3x
GPU
RX Vega-56AMD  $170Bench 78%, 92,053 samples3x
SSD
Black SN750 NVMe PCIe M.2 500GB (2019)WD  $37Bench 244%, 109,999 samples2x
660p NVMe PCIe M.2 1TBIntel  $74Bench 191%, 163,917 samples1x
RAM
M393A2K40BB2-CTD 16x16GBSamsungBench 126%, 12 samples3x
EDIT WITH CUSTOM PC BUILDER Value: 109% - Outstanding Total price: $207

Popular M393A2K40BB2-CTD 16x16GB systems:

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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.

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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $254Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $163Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $48SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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