This is the 64-bit version of the popular free image editing software, Paint.NET. It's not as advanced as something like Adobe Photoshop CS3 or Corel Paint Shop Pro Photo X2, but it does serve well for most image editing tasks.
We used the PDNBench script to test the processing times for a range of images and filters. The multi-threaded software also takes advantage of multi-core processors quite effectively.
For more information on what the benchmark script entails, please see this thread on the Paint.NET forums.
AMD Phenom II X4 955 BE (4x3.2GHz, 2.0GHz HTT, DDR3)
Core 2 Quad Q6700 (4x2.66GHz, 1,066MHz FSB, DDR3)
AMD Phenom II X4 945 (4x3.0GHz, 2.0GHz HTT, DDR3)
AMD Phenom II X4 940 (4x3.0GHz, 1.8GHz HTT, DDR2)
AMD Phenom II X4 920 (4x2.8GHz, 1.8GHz HTT, DDR2)
AMD Phenom II X4 810 (4x2.6GHz, 2.0GHz HTT, DDR3)
AMD Phenom X4 9950 BE (4x2.6GHz, 2.0GHz HTT, DDR2)
AMD Phenom II X4 805 (4x2.5GHz, 2.0GHz HTT, DDR3)
AMD Phenom II X3 720 BE (3x2.8GHz, 2.0GHz HTT, DDR3)
Core 2 Duo E8500 (2x3.16GHz, 1,333MHz FSB, DDR3)
Core 2 Duo E8500 (2x3.16GHz, 1,333MHz FSB, DDR2)
AMD Phenom II X3 710 (3x2.6GHz, 2.0GHz HTT, DDR3)
AMD Athlon X2 7750 BE (2x2.7GHz, 1.8GHz HTT, DDR2)
16.9
21.7
22.2
23.3
23.6
24.4
24.6
24.8
26.2
26.3
28.5
30.3
31.3
31.4
36.5
37.3
37.8
39.3
57.7
0
10
20
30
40
50
60
Time in Seconds (lower is better)
Seconds
Again, AMD slowly edges up the graphs but Paint.NET is still largely an Intel dominated test, with slower clocked Core 2 CPUs affording a greater work efficiency than AMD's K10.5 core in the Phenom II. It's only a second or so off the Q9400, but it's 13 percent slower than the next jump to Q9550 and 45.5 percent slower than the massively threaded Core i7-920.
We tested x264 compression using AutoMKV version 0.97.1 and x264 to to compress a 1.1GB DVD VOB file into 350MB MP4 file using a two-pass encode and we used a 112kbps LAME encoder to compress the audio. The whole process is dependent on both single and multi-core performance and the entire encoding time was recorded.
There's quite a shift to using MKV or MP4 wrappers for x264 content now, especially for movie content and those in the large anime fansubbing community. x264 doesn't have the same SSE enhancements as DivX 6.8, but the benefits of extra cache and better memory performance should still show notable improvements.
AMD Phenom II X4 955 BE (4x3.2GHz, 2.0GHz HTT, DDR3)
AMD Phenom II X4 945 (4x3.0GHz, 2.0GHz HTT, DDR3)
AMD Phenom II X4 940 (4x3.0GHz, 1.8GHz HTT, 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)
AMD Phenom II X4 920 (4x2.8GHz, 1.8GHz HTT, DDR2)
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 II X4 810 (4x2.6GHz, 2.0GHz HTT, DDR3)
AMD Phenom II X4 805 (4x2.5GHz, 2.0GHz HTT, DDR3)
AMD Phenom X4 9950 BE (4x2.6GHz, 2.0GHz HTT, DDR2)
AMD Phenom II X3 720 BE (3x2.8GHz, 2.0GHz HTT, DDR3)
AMD Phenom II X3 710 (3x2.6GHz, 2.0GHz HTT, DDR3)
Core 2 Duo E8500 (2x3.16GHz, 1,333MHz FSB, DDR3)
Core 2 Duo E8500 (2x3.16GHz, 1,333MHz FSB, DDR2)
AMD Athlon X2 7750 BE (2x2.7GHz, 1.8GHz HTT, DDR2)
546
570
604
611
611
616
645
651
651
688
692
693
717
721
764
816
882
885
1161
0
250
500
750
1000
1250
Time in Seconds (lower is better)
Seconds
On the other side of things for AMD, video encoding gave us a big surprise! The 955 is just 4.4 percent below the Core i7 920 here and it's nearly 7.2 percent faster than the more expensive Q9550. The greater memory bandwidth from an improved northbridge clock and DDR3 also benefit the video encoding too.
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