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Samsung M393A8K40B21-CTC 64GB
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Samsung M393A8K40B21-CTC 64GB

Review RAM Samsung M393A8K40B21-CTC 64GB, specifications, benchmarks

Samsung M393A8K40B21-CTC 64GB memory module review. Main technical characteristics and benchmark performance evaluation from PassMark. We suggest studying all the data and comparing it with the competitive model.
Specifications Performance tests Comments

Specifications

Complete list of technical specifications
Features
  • Type
    DDR4
  • Name
    Samsung M393A8K40B21-CTC
  • Characteristics
    PC4-19200, 1.2V, CAS Supported: 10 11 12 13 14 15 16 17 18 19 20
  • Memory bandwidth
    19200 mbps
  • Timings / Clock speed

    * check the manufacturer's website

    15-15-15, 16-16-16, 17-17-17, 18-18-18 / 2400 MHz
Performance by PassMark
  • Latency
    39 ns
  • Read speed
    8.9 GB/s
  • Write speed
    6.8 GB/s
# 1600 1866 2133 2400 2666 2800 3000 3200 3333 3400 3466 3600 3733 3866 4000 MT/s
8 10.00 8.57 7.50 6.67 6.00 5.71 5.33 5.00 4.80 4.71 4.62 4.44 4.29 4.14 4.00
9 11.25 9.65 8.44 7.50 6.75 6.43 6.00 5.63 5.40 5.29 5.19 5.00 4.82 4.66 4.50
10 12.50 10.72 9.38 8.33 7.50 7.14 6.67 6.25 6.00 5.88 5.77 5.56 5.36 5.17 5.00
11 13.75 11.79 10.31 9.17 8.25 7.86 7.33 6.88 6.60 6.47 6.35 6.11 5.89 5.69 5.50
12 15.00 12.86 11.25 10.00 9.00 8.57 8.00 7.50 7.20 7.06 6.92 6.67 6.43 6.21 6.00
13 16.25 13.93 12.19 10.83 9.75 9.29 8.67 8.13 7.80 7.65 7.50 7.22 6.96 6.73 6.50
14 17.50 15.01 13.13 11.67 10.50 10.00 9.33 8.75 8.40 8.24 8.08 7.78 7.50 7.24 7.00
15 18.75 16.08 14.06 12.50 11.25 10.71 10.00 9.38 9.00 8.82 8.66 8.33 8.04 7.76 7.50
16 20.00 17.15 15.00 13.33 12.00 11.43 10.67 10.00 9.60 9.41 9.23 8.89 8.57 8.28 8.00
17 21.25 18.22 15.94 14.17 12.75 12.14 11.33 10.63 10.20 10.00 9.81 9.44 9.11 8.79 8.50
18 22.50 19.29 16.88 15.00 13.50 12.86 12.00 11.25 10.80 10.59 10.39 10.00 9.64 9.31 9.00
19 23.75 20.36 17.82 15.83 14.25 13.57 12.67 11.88 11.40 11.18 10.96 10.56 10.18 9.83 9.50
20 25.00 21.44 18.75 16.67 15.00 14.29 13.33 12.50 12.00 11.76 11.54 11.11 10.72 10.35 10.00
CL

CAS latency measures the number of clock cycles that pass from when a request to read data is made to when such information is available

Performance tests

Real tests Samsung M393A8K40B21-CTC 64GB
Latency
PassMark average delay time
29 ns
28 ns
38 ns
33 ns
28 ns
29 ns
37 ns
33 ns
31 ns
39 ns
Samsung M393A8K40B21-CTC 64GB
Read Uncached Transfer Speed
Average memory read time without caching
17.9 ns
18.3 ns
13.8 ns
16.1 ns
18.2 ns
18.5 ns
13.9 ns
16.1 ns
16.8 ns
8.9 ns
Samsung M393A8K40B21-CTC 64GB
Write Transfer Speed
Average write speed
13.8 ns
14.5 ns
10.1 ns
11.7 ns
14.6 ns
14.4 ns
9.9 ns
13.0 ns
12.8 ns
6.8 ns
Samsung M393A8K40B21-CTC 64GB
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Samsung M393A8K40B21-CTC 64GB

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