The Best Memory for Sandy Bridge

Written by Richard Swinburne

January 11, 2011 | 11:31

Tags: #1333mhz #1600mhz #1866mhz #2133mhz #2500k #2600k #cl7 #cl8 #cl9 #compare #core #ddr3 #frequency #i5 #i7 #lga1155 #lga1156 #lga1366 #motherboard #p67 #performance #result #sandy-bridge #scaling

Companies: #bit-tech #intel #test

Memory Performance Comparative: Sandy Bridge, Lynnfield & Nehalem

We've fired up the execution engines and put the pedal to the, uh, silicon, in order to see how the second generation compares to its older Core i7 brothers across several memory performance levels.

Sisoft Sandra 2011

Download from: Sisoftware

Sisoft Sandra Memory Bandwidth

Sisoft Sandra 2011. Average unbuffered Memory Benchmark

  • Intel Core i7 (Sandy Bridge) 1,333MHz CL9
  • Intel Core i7 (Sandy Bridge) 1,600MHz CL9
  • Intel Core i7 (Sandy Bridge) 1,866MHz CL9
  • Intel Core i7 (Sandy Bridge) 2,133MHz CL9
  • Intel Core i7 (Lynnfield) 1,333MHz CL9
  • Intel Core i7 (Lynnfield) 1,600MHz CL9
  • Intel Core i7 (Lynnfield) 1,866MHz CL9
  • Intel Core i7 (Lynnfield) 2,133MHz CL9
  • Intel Core i7 (Nehalem) 1,333MHz CL9
  • Intel Core i7 (Nehalem) 1,600MHz CL9
    • 16985
    • 20467
    • 23725
    • 25969
    • 15553
    • 18133
    • 21047
    • 23025
    • 21453
    • 25524
0
5000
10000
15000
20000
25000
MB/sec, Higher Is Better
  • Read MB/s

Sisoft Sandra Memory Latency

Sisoft Sandra 2011. Latency Benchmark

  • Intel Core i7 (Sandy Bridge) 1,333MHz CL9
  • Intel Core i7 (Sandy Bridge) 1,600MHz CL9
  • Intel Core i7 (Sandy Bridge) 1,866MHz CL9
  • Intel Core i7 (Sandy Bridge) 2,133MHz CL9
  • Intel Core i7 (Lynnfield) 1,333MHz CL9
  • Intel Core i7 (Lynnfield) 1,600MHz CL9
  • Intel Core i7 (Lynnfield) 1,866MHz CL9
  • Intel Core i7 (Lynnfield) 2,133MHz CL9
  • Intel Core i7 (Nehalem) 1,333MHz CL9
  • Intel Core i7 (Nehalem) 1,600MHz CL9
    • 76.3
    • 68.2
    • 62.1
    • 58.8
    • 72.3
    • 66.1
    • 59.0
    • 55.0
    • 71.8
    • 62.5
0
10
20
30
40
50
60
70
80
Nanoseconds, Lower Is Better
  • Read nanoseconds

Cinebench R10 64-bit

Download from: Maxon

Cinebench R10

xCPU, 64-bit

  • Intel Core i7 (Sandy Bridge) 1,333MHz CL9
  • Intel Core i7 (Sandy Bridge) 1,600MHz CL9
  • Intel Core i7 (Sandy Bridge) 1,866MHz CL9
  • Intel Core i7 (Sandy Bridge) 2,133MHz CL9
  • Intel Core i7 (Lynnfield) 1,333MHz CL9
  • Intel Core i7 (Lynnfield) 1,600MHz CL9
  • Intel Core i7 (Lynnfield) 1,866MHz CL9
  • Intel Core i7 (Lynnfield) 2,133MHz CL9
  • Intel Core i7 (Nehalem) 1,333MHz CL9
  • Intel Core i7 (Nehalem) 1,600MHz CL9
    • 20237.0
    • 20178.0
    • 19861.0
    • 20085.0
    • 17189.0
    • 17332.0
    • 17751.0
    • 18098.0
    • 17749.0
    • 17893.0
0
5000
10000
15000
20000
Points, Higher is Better
  • Points, Higher is Better

Read our performance analysis.
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