DDR3: Kingston and OCZ at 1333MHz

September 27, 2007 | 11:46

Tags: #ddr3 #p35 #x38 #xtc

Companies: #hyperx #kingston #ocz

Xvid Encoding:

We tested video encoding performance using VirtualDub-MPEG version 1.6.15 and a multithreaded version of the Xvid codec, along with the LAME MT MP3 encoder for encoding audio. We did a two-pass encode of a 15-minute 276MB digital TV recording with a target file size of 100MB.

Xvid Encoding

VirtualDub MPEG-2 1.6.15, Xvid 1.2 beta, 276MB .mpg to 100MB .avi

  • Kingston HyperX KHX11000D3LLK2/2G (1066MHz LL)
  • OCZ DDR3 PC3-10666 Platinum Edition (1066MHz LL)
  • Kingston HyperX KHX11000D3LLK2/2G (1333MHz Stock)
  • OCZ DDR3 PC3-10666 Platinum Edition (1333MHz Stock)
  • Kingston HyperX KHX11000D3LLK2/2G (1432MHz OC)
  • OCZ DDR3 PC3-10666 Platinum Edition (1440MHz OC)
  • 580.0
  • 647.0
  • 565.3
  • 591.3
  • 567.0
  • 584.0
0
100
200
300
400
500
600
700
Time in Seconds (lower is better)

The Kingston is again consistently faster than the OCZ, especially with low latencies at 1,066MHz. Remember these benchmarks are an average of three runs so the OCZ is consistently taking longer.

MP3 Encoding:

We used LAME MT for our audio encoding test - it's the multi-threaded version of the popular LAME MP3 encoder. We ran tests with both Intel's and Microsoft's compilers - naturally, the Intel compiler resulted in some performance increases on Intel's processors. We converted all 18 tracks from Moby's popular Play album to a 192kbps variable bit-rate MP3.

MP3 Encoding (Intel)

LAME 3.97, Moby - Play, .wav to 192KHz .mp3, Intel Compiler

  • Kingston HyperX KHX11000D3lLK2/2G (1066MHz LL)
  • OCZ DDR3 PC3-10666 Platinum Edition (1066MHz LL)
  • Kingston HyperX KHX11000D3lLK2/2G (1333MHz Stock)
  • OCZ DDR3 PC3-10666 Platinum Edition (1333MHz Stock)
  • Kingston HyperX KHX11000D3lLK2/2G (1432MHz OC)
  • OCZ DDR3 PC3-10666 Platinum Edition (1440MHz OC)
  • 111.0
  • 100.0
  • 111.3
  • 113.3
  • 104.0
  • 105.7
0
25
50
75
100
125
Time in Seconds (lower is better)

MP3 Encoding (Microsoft)

LAME MT 3.97, Moby - Play, .wav to 192kbps .mp3, Microsoft Compiler

  • Kingston HyperX KHX11000D3LLK2/2G (1066MHz LL)
  • OCZ DDR3 PC3-10666 Platinum Edition (1066MHz LL)
  • Kingston HyperX KHX11000D3LLK2/2G (1333MHz Stock)
  • OCZ DDR3 PC3-10666 Platinum Edition (1333MHz Stock)
  • Kingston HyperX KHX11000D3LLK2/2G (1432MHz OC)
  • OCZ DDR3 PC3-10666 Platinum Edition (1440MHz OC)
  • 122.5
  • 108.3
  • 122.7
  • 124.7
  • 115.3
  • 116.3
0
25
50
75
100
125
Time in Seconds (lower is better)

MP3 Decoding


MP3 Decoding (Intel)

LAME 3.97, Moby - Play, .192KHz .mp3 to .wav, Intel Compiler

  • Kingston HyperX KHX11000D3LLK2/2G (1066MHz LL)
  • OCZ DDR3 PC3-10666 Platinum Edition (1066MHz LL)
  • Kingston HyperX KHX11000D3LLK2/2G (1333MHz Stock)
  • OCZ DDR3 PC3-10666 Platinum Edition (1333MHz Stock)
  • Kingston HyperX KHX11000D3LLK2/2G (1432MHz OC)
  • OCZ DDR3 PC3-10666 Platinum Edition (1440MHz OC)
  • 34.5
  • 31.7
  • 38.3
  • 41.7
  • 38.7
  • 41.3
0
10
20
30
40
Time in Seconds (lower is better)

MP3 Decoding (Microsoft)

LAME 3.97, Moby - Play, .192KHz .mp3 to .wav, MS Compiler

  • Kingston HyperX KHX11000D3LLK2/2G (1066MHz LL)
  • OCZ DDR3 PC3-10666 Platinum Edition (1066MHz LL)
  • Kingston HyperX KHX11000D3LLK2/2G (1333MHz Stock)
  • OCZ DDR3 PC3-10666 Platinum Edition (1333MHz Stock)
  • Kingston HyperX KHX11000D3LLK2/2G (1432MHz OC)
  • OCZ DDR3 PC3-10666 Platinum Edition (1440MHz OC)
  • 37.5
  • 33.3
  • 37.7
  • 40.0
  • 37.0
  • 36.7
0
10
20
30
40
Time in Seconds (lower is better)

Just like before the OCZ outperforms the Kingston memory with low latencies but the situation reverses at stock speeds and there's very little difference between the respective overclocked performance. Unlike the file decoding, the MP3 decoding is far less clear cut with the OCZ coming out ahead in both low latency scenarios.
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