Intel Core i7-975 Extreme Edition Review

Written by Clive Webster

June 22, 2009 | 09:17

Tags: #920 #965 #975 #benchmark #comparison #core-i7 #crazy-but-cool #extreme-edition #lga1366 #overclocking #performance

Companies: #ee #intel #test

Cinebench R10 64-bit

Download from: www.maxon.net

Cinebench R10 uses Maxon's Cinema 4D engine to render a photo-realistic scene of a shiny motorbike. The scene is highly complex, with reflections, ambient occlusion and procedural shaders so it gives a CPU a tough workout.

The test can be in run in single-threaded 1CPU mode or multi-threaded xCPU mode - just click the respective button. In this way, Cinebench R10 is useful for gauging the performance of each execution core of a CPU, as well as its overall performance.

As Cinema 4D is a real-world application - used on films such as Spider-Man, Star Wars among others - Cinebench R10 can be viewed as either a real-world benchmark or a theoretical one.

Intel Core i7-975 Extreme Edition Review Real World Performance - Cinebench R10 Intel Core i7-975 Extreme Edition Review Real World Performance - Cinebench R10

Maxon Cinebench R10 (64-bit)

Single-threaded, 1x CPU test

  • Intel Core i7-975 Extreme Edition
  • Intel Core i7-965 Extreme Edition
  • Intel Core i7-920
  • AMD Phenom II X4 955 Black Edition
    • 4850
    • 6145
    • 4487
    • 5842
    • 3765
    • 5677
    • 3725
    • 4485
0
1000
2000
3000
4000
5000
6000
points (higher is better)
  • Stock Speed
  • Overclocked

The single-threaded Cinebench test threw up an interesting result - the Phenom II X4 955 Black Edition and its 3.2GHz cores has roughly the same processing power as an Core i7-920's 2.66GHz core. That still means that the AMD architecture is doing less work per clock, but that if Intel hadn't implemented Hyper-Threading in Core i7 AMD's £195 CPU might have been almost as fast as Intel's £215 flagship-range CPU. But we digress...

The extra frequency of the 975 EE gives it the lead over the 965 EE either when both are at stock speed, or overclocked.

Maxon Cinebench R10 (64-bit)

Multi-threaded, xCPU test

  • Intel Core i7-975 Extreme Edition
  • Intel Core i7-965 Extreme Edition
  • Intel Core i7-920
  • AMD Phenom II X4 955 Black Edition
    • 19445
    • 24825
    • 18581
    • 24090
    • 14973
    • 23052
    • 13504
    • 16172
0
5000
10000
15000
20000
25000
points (higher is better)
  • Stock Speed
  • Overclocked

Even with the advantage of Hyper-Threading, the Core i7 920 is kept honest by the AMD 955 BE with only the 920 around 1,500 points (roughly 11 per cent) faster. Intel fanboys would've expected better from the 920.

Again, we see the 975 EE outpace the 965 EE by a fairly slender margin. Roughly 133MHz-worth, we'd say.
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