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Diamond Radeon HD 5750 Review

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Testing the Diamond HD 5750 will consist of running the card through the OverclockersClub.com suite of games and synthetic benchmarks to test the performance of the 5700 series cards against many popular competitors to gauge its performance. The games used are some of today's popular titles to give you an idea on how the cards perform relative to each other. The system specifications will remain the same throughout the testing. No adjustment will be made to the respective control panels during the testing with the exception of the 3DMark Vantage testing where PhysX will be disabled in the nVidia control panel. I will test the card at stock speeds and then overclocked to see how much additional performance is available, to see if it can run with or faster than the current fastest single GPU cards on the market. I have also changed up the benchmark suite to include some of the newest titles to market including Batman: Arkham Asylum, Resident Evil 5 and Darkest of Days. Of course, all settings are left at defaults in the control panels of each respective manufacturer except where noted. I will be using the latest drivers from each manufacturer at the time of this review. Catalyst 9.11 for all ATI cards save the 5800 and 5700 series, which require the 8.66 RC, and 191.07 for the nVidia cards


Comparison Video Cards:



Overclocked settings:

  • Diamond HD 5750 800/1295

The first thing you want to do if you plan on trying for clock speeds in excess of the limits in the Catalyst control Center you should download AMD GPU Clock tool and MSI AfterBurner to make sure you get all the functionality you can. The reason for the two utility approach is that when you set the clock speeds in AMD GPU Clock Tool and apply the setting you default the fan speed to auto. If you go back into the CCC to change the fan speed you lose the clock speeds you set in the GPU Clock Tool. Goofy, but it's what happens. Enter MSI Afterburner - this application was written by the same person responsible for Riva Tuner over at Guru3d and is an easy to use interface that is already able to work with the latest cards from ATI and their partners like Diamond. One thing to note before talking more about the overclocking is that this card shows a 20MHz bump on the memory and GPU core when measured with GPUz. On the manufacturers specification page for this model of the Diamond HD 5750 shows the clock speeds as 700/1150Mhz. This will provide a slight advantage in the benchmarking.

Overclocking the Diamond HD 5750 was a little disappointing. After much trial and error with combination's of GPU clock speed and memory speeds I was only able to get to a GPU core clock speed of 800MHz and a memory clock speed of 1295MHz. I could go up to 810/1305 depending on the test and resolution but no further. By comparison the clocks reached on this card were lower than either of the HD5750s I have looked at previously by about 60Mhz on the core and 45 to 50MHz on the memory. The card ran cool during the testing and did not factor into the lower clock speeds. Sometimes you get lucky sometimes you don't and the only guarantee is that the card will run at stock speeds. Anything else is a bonus. The bonus on this card is 100Mhz on the core or a 12.5% increase while the memory increase was 145Mhz or about a 13% increase. These increases did bring an increase in performance so it was definitely worth the time and effort to get the additional clocks.



  • Video:
  1. Far Cry 2
  2. Crysis Warhead
  3. Darkest of Days
  4. Call of Duty World at War
  5. Warhammer 40,000 DOW II
  6. Batman: Arkham Asylum
  7. Resident Evil 5
  8. Left 4 Dead
  9. 3DMark 06 Professional
  10. 3DMark Vantage

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