Corsair and SuperTalent DDR3

Written by Richard Swinburne

October 26, 2007 | 10:22

Tags: #1800mhz #1866mhz #2gb #ddr3 #super #talent #twinx

Companies: #corsair

Memory Performance


Everest Memory Read Test

Everest Memory Read Test

  • Corsair TWIN3X2048-1800C7DF G (1333MHz LL)
  • Super Talent W1866UX2G8 (1333MHz LL)
  • Corsair TWIN3X2048-1800C7DF G (1800MHz LL)
  • Corsair TWIN3X2048-1800C7DF G (1800MHz)
  • Corsair TWIN3X2048-1800C7DF G (1868MHz)
  • Super Talent W1866UX2G8 (1868MHz)
  • 9314
  • 9311
  • 11415
  • 10822
  • 11300
  • 11110
0
2500
5000
7500
10000
12500
MB/s

Everest Memory Write Test

Everest Memory Write Test

  • Corsair TWIN3X2048-1800C7DF G (1333MHz LL)
  • Super Talent W1866UX2G8 (1333MHz LL)
  • Corsair TWIN3X2048-1800C7DF G (1800MHz LL)
  • Corsair TWIN3X2048-1800C7DF G (1800MHz)
  • Corsair TWIN3X2048-1800C7DF G (1868MHz)
  • Super Talent W1866UX2G8 (1868MHz)
  • 6084
  • 6076
  • 8195
  • 8177
  • 8499
  • 8225
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
MB/s

Read performance benefits more from lower latency than outright bandwidth, however write performance is more affected by bandwidth than latency.

Everest Memory Latency

Everest Memory Latency

  • Corsair TWIN3X2048-1800C7DF G (1333MHz LL)
  • Super Talent W1866UX2G8 (1333MHz LL)
  • Corsair TWIN3X2048-1800C7DF G (1800MHz LL)
  • Corsair TWIN3X2048-1800C7DF G (1800MHz)
  • Corsair TWIN3X2048-1800C7DF G (1868MHz)
  • Super Talent W1866UX2G8 (1868MHz)
  • 52.3
  • 52.1
  • 58.5
  • 63.8
  • 60.5
  • 61.7
0
10
20
30
40
50
60
70
nanoseconds (lower is better)

5-5-5-15-1T is obviously quicker than CL-7s or 8s, but interestingly just 66MHz of 1,866MHz at CL-8 is a few ns faster than 1,800MHz Cl-7.

Unbuffered Memory Performance

Sisoft Sandra Unbuffered Memory Test

  • Corsair TWIN3X2048-1800C7DF G (1333MHz LL)
  • Super Talent W1866UX2G8 (1333MHz LL)
  • Corsair TWIN3X2048-1800C7DF G (1800MHz LL)
  • Corsair TWIN3X2048-1800C7DF G (1800MHz)
  • Corsair TWIN3X2048-1800C7DF G (1868MHz)
  • Super Talent W1866UX2G8 (1868MHz)
  • 6835.0
  • 6856.3
  • 8764.5
  • 8250.8
  • 8738.3
  • 8611.5
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
MB/s

Memory Latency

Sisoft Sandra Random Memory Latency Test

  • Corsair TWIN3X2048-1800C7DF G (1333MHz LL)
  • Super Talent W1866UX2G8 (1333MHz LL)
  • Corsair TWIN3X2048-1800C7DF G (1800MHz LL)
  • Corsair TWIN3X2048-1800C7DF G (1800MHz)
  • Corsair TWIN3X2048-1800C7DF G (1868MHz)
  • Super Talent W1866UX2G8 (1868MHz)
  • 63
  • 62
  • 55
  • 64
  • 57
  • 58
0
10
20
30
40
50
60
70
nanoseconds (lower is better)

Sandra offers an alternative, indicating that a combination of bandwidth and latency make for faster memory and again the Corsair 1,800MHz at 7-6-6-18-1T seems to perform the best.

At the same 1,866MHz speed and latency, the Super Talent memory seems to always come out a fraction slower in these synthetic benchmarks.
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