Overclocking Intel's Core i7 920

November 6, 2008 | 08:57

Tags: #920 #benchmark #bios #by #core #easy #eclipse #guide #i7 #i7-920 #overclocking #p6t #performance #result #step

Companies: #asus #intel #msi #test

TMPEG DivX 6.8 Encoding

Website: DivX and TMPEG

We used the latest version of TMPEG 4.5.2.255 and DivX 6.8, and encoded a 980MB 720x480px 4-8k VBR MPEG-2 video with 48KHz PCM stereo sound into a 320x240px DivX under the "Mobile" profile with a single pass, with 112kbps LAME .MP3 joint stereo sound. This included setting multi-threading and SSE2/4 where possible in the DivX settings.

TMPEG 4.0 Xpress

Source File: 980MB 4-8k VBR MPEG-2 PCM Stereo. Encoding: Divx 6.8 Mobile Profile, 720x480 to 320x240

  • Core i7 920 OC (4x4GHz, 1,600MHz DDR3, 3.6GHz QPI)
  • Core i7 965 (4x3.2GHz, 6.4GHz QPI, SMT enabled)
  • Core i7 965 (4x3.2GHz, 4.8GHz QPI, SMT enabled)
  • Core i7 965 (4x3.2GHz, 6.4GHz QPI, SMT disabled)
  • Core i7 965 (4x3.2GHz, Turbo disabled, SMT enabled)
  • Core i7 965 (4x3.2GHz, Dual Channel, SMT enabled)
  • Core i7 965 (4x3.2GHz, Single Channel, SMT enabled)
  • Core i7 940 (4x2.93GHz, 6.4GHz QPI, SMT enabled)
  • Core 2 Extreme QX9770 (4x3.2GHz, 1,600MHz FSB, DDR3)
  • Core 2 Extreme QX9770 (4x3.2GHz, 1,600MHz FSB, DDR2)
  • Core i7 920 (4x2.66GHz, 6.4GHz QPI, SMT enabled)
  • Core 2 Quad Q9650 (4x3.0GHz, 1,333MHz FSB, DDR3)
  • Core 2 Duo E8500 (2x3.16GHz, 1,333MHz FSB, DDR3)
  • Core 2 Quad Q9650 (4x3.0GHz, 1,333MHz FSB, DDR2)
  • Core 2 Duo E8500 (2x3.16GHz, 1,333MHz FSB, DDR2)
  • Core 2 Quad Q9550 (4x2.83GHz, 1,333MHz FSB, DDR3)
  • Core 2 Quad Q9550 (4x2.83GHz, 1,333MHz FSB, DDR2)
  • Core 2 Quad Q9450 (4x2.66GHz, 1,333MHz FSB, DDR3)
  • Core 2 Quad Q9450 (4x2.66GHz, 1,333MHz FSB, DDR2)
  • Core 2 Quad Q6700 (4x2.66GHz, 1,066MHz FSB, DDR2)
  • Core 2 Quad Q6700 (4x2.66GHz, 1,066MHz FSB, DDR3)
  • AMD Phenom X4 9850 BE (4x2.5GHz, 2.0GHz HTT)
  • AMD Phenom X4 9950 BE (4x2.6GHz, 2.0GHz HTT)
  • AMD Phenom X4 9750 (4x2.4GHz, 1.8GHz HTT)
    • 222
    • 253
    • 255
    • 260
    • 261
    • 263
    • 283
    • 287
    • 298
    • 302
    • 305
    • 317
    • 319
    • 319
    • 331
    • 336
    • 337
    • 345
    • 354
    • 400
    • 410
    • 480
    • 480
    • 519
0
100
200
300
400
500
Time in Seconds (lower is better)
  • Seconds

Yet again, the overclocked Core i7 920 leads the table by a healthy margin - 14 percent over a Core i7 965 four times its price, and 38 percent faster than the Core i7 920 at its stock speed. Compared to the closest non-Core i7 CPU, it's 34 percent faster - a very healthy margin.

Sony Vegas Studio Platinum 8

Website: Sony Creative Software

Sony Vegas Movie Studio is an industry leading movie making application that offers support for a large variety of video formats. It can handle the latest multi-channel audio and high-definition content, even including AVCHD and HDV. Further features include mixing and editing, video composite creating and video restoration among others. As a highly threaded application it makes great use of multi-core processors.

Here we use the free version: Platinum 8, to transcode a 720x480px 945MB raw .MTS with PCM audio into a 720x480px WMV9 at VBR90, with 5.1 channel 44.1KHz 64Kbps WMA audio.

Sony Vegas Movie Studio Platinum 8

720x480 945MB .mts to 720x480 VBR90 WMV9, 5.1 44.1KHz 64Kbps WMA

  • Core i7 920 OC (4x4GHz, 1,600MHz DDR3, 3.6GHz QPI)
  • Core i7 965 (4x3.2GHz, 6.4GHz QPI, SMT enabled)
  • Core i7 965 (4x3.2GHz, Turbo disabled, SMT enabled)
  • Core i7 965 (4x3.2GHz, 4.8GHz QPI, SMT enabled)
  • Core i7 965 (4x3.2GHz, Dual Channel, SMT enabled)
  • Core i7 940 (4x2.93GHz, 6.4GHz QPI, SMT enabled)
  • Core i7 965 (4x3.2GHz, 6.4GHz QPI, SMT disabled)
  • Core i7 965 (4x3.2GHz, Single Channel, SMT enabled)
  • Core i7 920 (4x2.66GHz, 6.4GHz QPI, SMT enabled)
  • Core 2 Extreme QX9770 (4x3.2GHz, 1,600MHz FSB, DDR3)
  • Core 2 Extreme QX9770 (4x3.2GHz, 1,600MHz FSB, DDR2)
  • Core 2 Quad Q9650 (4x3.0GHz, 1,333MHz FSB, DDR3)
  • Core 2 Quad Q9650 (4x3.0GHz, 1,333MHz FSB, DDR2)
  • Core 2 Quad Q9550 (4x2.83GHz, 1,333MHz FSB, DDR3)
  • Core 2 Quad Q9550 (4x2.83GHz, 1,333MHz FSB, DDR2)
  • Core 2 Quad Q9450 (4x2.66GHz, 1,333MHz FSB, DDR3)
  • Core 2 Quad Q9450 (4x2.66GHz, 1,333MHz FSB, DDR2)
  • Core 2 Quad Q6700 (4x2.66GHz, 1,066MHz FSB, DDR3)
  • Core 2 Quad Q6700 (4x2.66GHz, 1,066MHz FSB, DDR2)
  • AMD Phenom X4 9950 BE (4x2.6GHz, 2.0GHz HTT)
  • AMD Phenom X4 9850 BE (4x2.5GHz, 2.0GHz HTT)
  • AMD Phenom X4 9750 (4x2.4GHz, 1.8GHz HTT)
  • Core 2 Duo E8500 (2x3.16GHz, 1,333MHz FSB, DDR2)
  • Core 2 Duo E8500 (2x3.16GHz, 1,333MHz FSB, DDR3)
    • 770
    • 824
    • 835
    • 838
    • 840
    • 873
    • 882
    • 921
    • 959
    • 1007
    • 1042
    • 1067
    • 1091
    • 1121
    • 1134
    • 1161
    • 1222
    • 1262
    • 1352
    • 1378
    • 1413
    • 1432
    • 1614
    • 1652
0
250
500
750
1000
1250
1500
1750
Time in Seconds (lower is better)
  • Seconds

Yet again, in video encoding the overclocked Core i7 920 scores a good lead of seven percent compared to the i7 965 and 25 percent over the stock 920 - that's not as much as previous encodes, but still a solid improvement none-the-less. Compared to the previous generation of Intel CPUs, it's over 30 percent faster as well.
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