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Samsung

M393A4K40CB2-CTD 7x31.9GB

▲ 500 ▼

Release date ≈ Q2 2019.

Average Bench: 137% (1st of 115)

Based on 10 user benchmarks.  Model: Samsung M393A4K40CB2-CTD 7x31.9GB
Poor: 51%Average: 137% Great: 170%

Popular builds with this RAM

Outstanding average bench

The Samsung M393A4K40CB2-CTD 7x31.9GB averaged 37.4% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung M393A4K40CB2-CTD 7x31.9GB near the top of the comparison list.

Strengths

Avg. 16 Core Write Bench 66GB/s
Avg. 16 Core Read Bench 54.2GB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung M393A4K40CB2-CTD 7x31.9GB is 118%. This is a particularly wide range which indicates that the Samsung M393A4K40CB2-CTD 7x31.9GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 1 Core Read Bench 8.11GB/s
Avg. 1 Core Mixed IO Bench 10.2GB/s
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Average Bench

(Based on 10 samples)
Rank 1137%
Min Avg Max
24.6 MC Read 54.2 70
13.3 MC Write 66 88.9
20.4 MC Mixed 51.5 64.2
164% 57.2 GB/s
Min Avg Max
6.6 SC Read 8.11 13.2
6.8 SC Write 15.3 21
6.7 SC Mixed 10.2 16.6
32.1% 11.2 GB/s
Min Avg Max
74 Latency 99.4 162
40.2% 99.4 ns
User Benchmarks BenchMulti coreSingle coreLatency
The fastest RAM (mainstream) averages a speed of 100%
7 of 7 slots used
223GB DIMM DDR4 clocked @ 2666 MHz
170% Outstanding
MC Read 62.5
MC Write 86.9
MC Mixed 64.2
203% 71.2 GB/s
SC Read 6.9
SC Write 20.4
SC Mixed 9.9
35% 12.4 GB/s
Latency 86.6
46% 86.6 ns
7 of 7 slots used
223GB DIMM DDR4 clocked @ 2666 MHz
169% Outstanding
MC Read 61
MC Write 88.9
MC Mixed 63.3
203% 71.1 GB/s
SC Read 7.3
SC Write 19.6
SC Mixed 10.5
36% 12.5 GB/s
Latency 92.6
43% 92.6 ns
7 of 7 slots used
223GB DIMM DDR4 clocked @ 2666 MHz
167% Outstanding
MC Read 61
MC Write 87.7
MC Mixed 62.7
201% 70.5 GB/s
SC Read 6.6
SC Write 19.6
SC Mixed 9.6
34% 11.9 GB/s
Latency 93.6
43% 93.6 ns
7 of 7 slots used
223GB DIMM DDR4 clocked @ 2666 MHz
164% Outstanding
MC Read 58.9
MC Write 83.3
MC Mixed 63.3
196% 68.5 GB/s
SC Read 6.6
SC Write 21
SC Mixed 10.1
36% 12.6 GB/s
Latency 85.2
47% 85.2 ns
7 of 12 slots used
223GB DIMM DDR4 clocked @ 2666 MHz
145% Outstanding
MC Read 70
MC Write 59.7
MC Mixed 54.9
176% 61.5 GB/s
SC Read 13.2
SC Write 6.9
SC Mixed 8.6
27% 9.57 GB/s
Latency 162
25% 162 ns
7 of 12 slots used
223GB DIMM DDR4 clocked @ 2666 MHz
117% Outstanding
MC Read 42.8
MC Write 61.3
MC Mixed 42.9
140% 49 GB/s
SC Read 8
SC Write 7.5
SC Mixed 7.5
22% 7.67 GB/s
Latency 87.7
46% 87.7 ns

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,168,025 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 M393A4K40CB2-CTD 7x31.9GB Builds (Compare 41 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 67%
Battle cruiser
Desktop
Desktop 80%
Aircraft carrier
Workstation
Workstation 74%
Battleship

Motherboard: Asrockrack EPC621D8A

CPU
Xeon Platinum 8124MIntelBench 67%, 32 samples7x
Bench 68%, 49 samples5x
Xeon Platinum 8180IntelBench 75%, 9 samples4x
GPU
Quadro P5000NvidiaBench 89%, 8,562 samples4x
RX 580AMD  $130Bench 52%, 360,351 samples4x
RTX 2080-TiNvidia  $441Bench 156%, 357,946 samples4x
SSD
NVMe SSD P7000Z 2TBAigoBench 430%, 38 samples6x
860 Evo 500GBSamsung  $76Bench 105%, 762,998 samples5x
980 NVMe PCIe M.2 1TBSamsung  $90Bench 251%, 262,559 samples4x
RAM
M393A4K40CB2-CTD 7x31.9GBSamsungBench 137%, 10 samples1x
EDIT WITH CUSTOM PC BUILDER

Popular M393A4K40CB2-CTD 7x31.9GB compatible motherboards:

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Memory Kit Rankings (Price vs Performance) May 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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 Best User Rated
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CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $280Crucial MX500 250GB $39
Intel Core i5-12400F $120Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $165Nvidia RTX 4070 $490Samsung 860 Evo 250GB $52
HDDRAMUSB
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Seagate Barracuda 2TB (2016) $62G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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