AMD Athlon II X4 620 CPU Review

October 26, 2009 | 09:33

Tags: #28ghz #45nm #620 #95w #athlon #benchmarks #cheap #core #cpu #four #ii #oc #overclock #perform #performance #processor #quad #review #x4

Companies: #amd #test

CustomPC Media Benchmarks

Download from: www.custompc.co.uk/benchmarks

Custom PC, bit-tech's sister magazine, has developed its own Media Benchmarks to simulate the tasks that most of us perform on a regular basis. There are three tests, each of which measure different aspects of a PC's performance.

You can download the suite from the link above, and submit your score to the benchmark leaderboard to see how your PC compares with those of others.

GIMP Image Editing


GIMP Image Editing

CustomPC Benchmark

  • Core 2 Duo E7400 (2x4.2GHz, 1,600MHz FSB)
  • Phenom II X2 550 BE (2x3.8GHz, 2.6GHz NB, 2.0GHz HTT)
  • Athlon II X4 620 (4x3.5GHz, 2.45GHz NB, 2.2GHz HTT)
  • Phenom II X3 720 BE (3x3.5GHz, 2.4GHz NB, 2.0GHz HTT)
  • Core 2 Duo E7400 (2x2.8GHz, 1,066MHz FSB)
  • Phenom II X2 550 BE (2x3.1GHz, 2.0GHz NB, 2.0GHz HTT)
  • Phenom II X3 720 BE (3x2.8GHz, 2.0GHz NB, 2.0GHz HTT)
  • Athlon II X4 620 (4x2.6GHz, 2.0GHz NB, 2.0GHz HTT)
  • 242
  • 303
  • 353
  • 353
  • 353
  • 375
  • 411
  • 472
0
100
200
300
400
500
Seconds - lower is better

GIMP Image Editing: L3 Cache Test

CustomPC Benchmark

  • Phenom II X4 6MB L3 Cache (4x2.6GHz, 2.0Ghz NB)
  • Athlon II X4 620 0MB L3 Cache (4x2.6GHz, 2.0GHz NB)
  • 437
  • 472
0
100
200
300
400
500
Seconds - lower is better

Image editing performance is appalling. It's not just lacking clock speed: even only 200MHz behind the Phenom II X3 720 BE it's still 15 per cent slower. Compared to the same price Phenom II X2 550 BE it's 26 per cent slower and the Intel dual core price equivalent is over a third slower. It needs to be overclocked to the max to even match the Intel chip, however it also matches the 720 Black Edition too, so maybe that just says something about AMD CPUs at this price in general for productivity: extra cores and more MHz don't always make a better product and it depends what you use it for.

Again the Athlon II X4 is about seven or eight per cent slower than the Phenom II X4 at the same clock though, which isn't a particuarly large difference.

Handbrake x.264 Video Encoding


Handbreak x.264 Video Encoding

CustomPC Benchmark

  • Athlon II X4 620 (4x3.5GHz, 2.45GHz NB, 2.2GHz HTT)
  • Phenom II X3 720 BE (3x3.5GHz, 2.4GHz NB, 2.0GHz HTT)
  • Core 2 Duo E7400 (2x4.2GHz, 1,600MHz FSB)
  • Athlon II X4 620 (4x2.6GHz, 2.0GHz NB, 2.0GHz HTT)
  • Phenom II X2 550 BE (2x3.8GHz, 2.6GHz NB, 2.0GHz HTT)
  • Phenom II X3 720 BE (3x2.8GHz, 2.0GHz NB, 2.0GHz HTT)
  • Phenom II X2 550 BE (2x3.1GHz, 2.0GHz NB, 2.0GHz HTT)
  • Core 2 Duo E7400 (2x2.8GHz, 1,066MHz FSB)
  • 443
  • 528
  • 546
  • 588
  • 592
  • 675
  • 720
  • 761
0
100
200
300
400
500
600
700
800
Seconds - lower is better

Handbreak x.264 Video Encoding: L3 Cache Test

CustomPC Benchmark

  • Phenom II X4 6MB L3 Cache (4x2.6GHz, 2.0Ghz NB)
  • Athlon II X4 620 0MB L3 Cache (4x2.6GHz, 2.0GHz NB)
  • 584
  • 588
0
100
200
300
400
500
600
Seconds - lower is better

One such task that the X4 620 is good at is video encoding, where it manages to outclass every other CPU on test. What's more, the Phenom II X4's L3 cache doesn't appear to help in this scenario, as the identically clocked CPUs perform the same.
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