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 HMT451S6AFR8A-PB 4GB
Kingston K821PJ-MIH 16GB

SK Hynix HMT451S6AFR8A-PB 4GB vs Kingston K821PJ-MIH 16GB

Overall score
star star star star star
SK Hynix HMT451S6AFR8A-PB 4GB

SK Hynix HMT451S6AFR8A-PB 4GB

Overall score
star star star star star
Kingston K821PJ-MIH 16GB

Kingston K821PJ-MIH 16GB

Differences Specifications Comments

Differences

SK Hynix HMT451S6AFR8A-PB 4GB Reasons to consider
SK Hynix HMT451S6AFR8A-PB 4GB
Report a bug
Kingston K821PJ-MIH 16GB Reasons to consider
Kingston K821PJ-MIH 16GB
Report a bug
  • Below the latency in the PassMark tests, ns
    34 left arrow 44
    Around -29% lower latency
  • Faster reading speed, GB/s
    14.6 left arrow 12.3
    Average value in the tests
  • Faster write speed, GB/s
    11.1 left arrow 7.9
    Average value in the tests
  • Higher memory bandwidth, mbps
    19200 left arrow 12800
    Around 1.5 higher bandwidth

Specifications

Complete list of technical specifications
SK Hynix HMT451S6AFR8A-PB 4GB
Kingston K821PJ-MIH 16GB
Main characteristics
  • Memory type
    DDR3 left arrow DDR4
  • Latency in PassMark, ns
    44 left arrow 34
  • Read speed, GB/s
    12.3 left arrow 14.6
  • Write speed, GB/s
    7.9 left arrow 11.1
  • Memory bandwidth, mbps
    12800 left arrow 19200
Other
  • Description
    PC3-12800, 1.5V, 1.35V , CAS Supported: 5 6 7 8 9 10 11 left arrow PC4-19200, 1.2V, CAS Supported: 10 11 12 13 14 15 16 17 18
  • Timings / Clock speed
    9-9-9-24 / 1600 MHz left arrow 15-15-15, 16-16-16, 17-17-17, 18-18-18 / 2400 MHz
  • Ranking PassMark (The more the better)
    2022 left arrow 2792

SK Hynix HMT451S6AFR8A-PB 4GB RAM comparisons

SK Hynix HMT351S6CFR8C-PB 4GB
Samsung M471B5173DB0-YK0 4GB

Kingston K821PJ-MIH 16GB RAM comparisons

Unifosa Corporation GU332G0ALEPR8H2C6F 2GB
Crucial Technology BLS4G4D240FSE.8FBD 4GB
RAM Latency Calculator
Calculate Ram speed clock interval in nanosecond format
RAM 1
RAM 2

Latest comparisons

Samsung M378B5673EH1-CF8 2GB
Samsung M378B5673EH1-CF8 2GB
G Skill Intl F4-3600C19-8GVRB 8GB
G Skill Intl F4-3600C19-8GVRB 8GB
Memory RAM
SK Hynix HMT451S6AFR8A-PB 4GB
SK Hynix HMT451S6AFR8A-PB 4GB
Kingston K821PJ-MIH 16GB
Kingston K821PJ-MIH 16GB
Memory RAM
Qimonda 72T128420EFA3SB2 1GB
Qimonda 72T128420EFA3SB2 1GB
Kingston KP6FH5-MIE 32GB
Kingston KP6FH5-MIE 32GB
Memory RAM
Kingston KHX1600C9D3/8G 8GB
Kingston KHX1600C9D3/8G 8GB
Chun Well Technology Holding Limited CL16-20-20 D4-3000 32GB
Chun Well Technology Holding Limited CL16-20-20 D4-3000
Memory RAM
Hoodisk Electronics Co Ltd GKE160SO102408-2666 16GB
Hoodisk Electronics Co Ltd GKE160SO102408-2666 16GB
Corsair CMSX32GX4M1A2666C18 32GB
Corsair CMSX32GX4M1A2666C18 32GB
Memory RAM
A-DATA Technology VDQVE1B16 2GB
A-DATA Technology VDQVE1B16 2GB
G Skill Intl F4-2400C17-8GNT 8GB
G Skill Intl F4-2400C17-8GNT 8GB
Memory RAM
Corsair CM5S16GM4800A40K2 16GB
Corsair CM5S16GM4800A40K2 16GB
Smart Modular SF4642G8CK8IEHLSBG 16GB
Smart Modular SF4642G8CK8IEHLSBG 16GB
Memory RAM
AMD AE34G2139U2 4GB
AMD AE34G2139U2 4GB
EXCELERAM EKBLACK4163016AD 8GB
EXCELERAM EKBLACK4163016AD 8GB
Memory RAM
Patriot Memory (PDP Systems) 1866 CL9 Series 4GB
Patriot Memory (PDP Systems) 1866 CL9 Series 4GB
G Skill Intl F4-3200C16-4GRK 4GB
G Skill Intl F4-3200C16-4GRK 4GB
Memory RAM
A-DATA Technology AM2U16BC4P2-B05B 4GB
A-DATA Technology AM2U16BC4P2-B05B 4GB
Corsair CMD16GX4M2B3600C18 8GB
Corsair CMD16GX4M2B3600C18 8GB
Memory RAM
Hoodisk Electronics Co Ltd GKE160SO102408-2666 16GB
Hoodisk Electronics Co Ltd GKE160SO102408-2666 16GB
G Skill Intl F4-4133C19-8GTZKKF 8GB
G Skill Intl F4-4133C19-8GTZKKF 8GB
Memory RAM
Kingston ACR512X64D3S13C9G 4GB
Kingston ACR512X64D3S13C9G 4GB
Corsair CM4X16GE2666C18S4 16GB
Corsair CM4X16GE2666C18S4 16GB
Memory RAM
A-DATA Technology DDR4 2666 2OZ 4GB
A-DATA Technology DDR4 2666 2OZ 4GB
A-DATA Technology DDR3 1600 2OZ 4GB
A-DATA Technology DDR3 1600 2OZ 4GB
Memory RAM
Micron Technology 8ATF2G64HZ-3G2E2 16GB
Micron Technology 8ATF2G64HZ-3G2E2 16GB
Samsung M471A2K43CB1-CRCR 16GB
Samsung M471A2K43CB1-CRCR 16GB
Memory RAM