RAM
DDR5
DDR4
DDR3
DDR2
About the site
Menu
RAMs
RAM
DDR5
DDR4
DDR3
DDR2
About the site
en
Русский Русский English English Español Español Português Português Deutsch Deutsch Français Français Italiano Italiano Polski Polski 中文 中文 日本語 日本語
SK Hynix HMA851U6CJR6N-VK 4GB
Select RAM 2
Overall score
star star star star star
SK Hynix HMA851U6CJR6N-VK 4GB

Review RAM SK Hynix HMA851U6CJR6N-VK 4GB, specifications, benchmarks

SK Hynix HMA851U6CJR6N-VK 4GB 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
    SK Hynix HMA851U6CJR6N-VK
  • Characteristics
    PC4-21300, 1.2V, CAS Supported: 10 11 12 13 14 15 16 17 18 19 20
  • Memory bandwidth
    21300 mbps
  • Timings / Clock speed

    * check the manufacturer's website

    17-17-17, 18-18-18, 19-19-19, 20-20-20 / 2666 MHz
Performance by PassMark
  • Latency
    32 ns
  • Read speed
    16.8 GB/s
  • Write speed
    12.1 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 SK Hynix HMA851U6CJR6N-VK 4GB
Latency
PassMark average delay time
29 ns
29 ns
38 ns
33 ns
28 ns
29 ns
37 ns
33 ns
31 ns
33 ns
SK Hynix HMA851U6CJR6N-VK 4GB
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
16.8 ns
SK Hynix HMA851U6CJR6N-VK 4GB
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
12.2 ns
SK Hynix HMA851U6CJR6N-VK 4GB
Rate the RAM
SK Hynix HMA851U6CJR6N-VK 4GB

Latest comparisons

Popular RAM

Kingston 9905783-025.A01G 16GB Kingston 9905783-025.A01G 16GB View
G Skill Intl F4-3200C16-8GVKB 8GB G Skill Intl F4-3200C16-8GVKB 8GB View
A-DATA Technology AD5U480016G-B 16GB A-DATA Technology AD5U480016G-B 16GB View
Corsair CMK32GX5M2B5600C36 16GB Corsair CMK32GX5M2B5600C36 16GB View
Kingston HP26D4S9S1ME-4 4GB Kingston HP26D4S9S1ME-4 4GB View