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Diamond Radeon HD5770 XOC Review



To gauge the performance of the Diamond HD5770 XOC graphics card, I will be putting it through our testbed of both games and benchmarking programs. To test the gaming graphics performance, we use a plethora of current games. Since gaming doesn't tell the whole story, we also use FutureMark's 3DMark06 and 3Dmark Vantage programs, which test both the DX9 and DX10 capabilities of the graphics card and give it an overall score depending on how well it holds up during the testing process. Since the HD 5770 graphics cards fit more into the mid-range market than the enthusiast, I will be running the tests at a level that is more in line with this audience's type of use. I will also be comparing the Diamond XOC to other mid-range graphics cards to determine the overall value of the card. One important note though - all the comparison cards were originally tested on an Intel platform, but have since been retested on the AMD test platform, so the numbers will vary from the comparison reviews that are found in the links below.



Comparison Video Cards:



When it came to overclocking the Diamond HD 5770 XOC, the Catalyst Control Center had the core clock capped at 960MHz and the memory at 1445MHz. These are actually decent speeds for an overclocked HD 5770, but since this card already comes with the core clocked at 930MHz, a 30MHz increase seemed a tad small for my tastes. So, to properly overclock the card, I turned to AMD's GPU Tool, which will allow you to push the clock speeds beyond the limits present in CCC. Since the core and memory were already increased over stock, I started raising the values of each by only 5MHz at a time and testing for stability using Furmark. During overclocking, I was able to reach clock speeds beyond the limits in the CCC, but not by much.The max reached during testing was 975MHz on the core and 1450MHz for the memory. These clocks are only 15MHz ahead of what CCC capped the core at and only 5MHz above the memory. Furmark is very demanding on a GPU, so I could have possibly gone higher without running into any issues while gaming, but since these were the highest speeds I could reach without errors, it is where I decided to stay at. These final speeds actually fall right in line with other HD 5770 models, but since the core comes clocked at 930MHz instead of 850MHz, you only get a 5% overclock instead of around 15%. I say, just think of it as Diamond doing most of the heavy lifting for you. Since this card comes with faster clocks, you might run into higher temperatures than what you would find with the stock card. While I was running Furmark with the fan at auto, I saw temperatures reaching into the high 80°C mark. To reduce the GPU temps, I started to turn the fan up, but I quickly found that anything over 60% rotation to be a bit too loud. For me, the sweet spot I found was around 49% fan rotation, which kept the temperatures during the benchmarks below the 80°C mark, without bothersome noise. I do use a benching table that is on my desktop though, so if your case is on the floor and closed, it might not be such an annoyance.






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

  1. Introduction & Closer Look
  2. Closer Look: The Video Card
  3. Closer Look: Drivers & Programs
  4. Closer Look: Catalyst Control Panel
  5. Specifications & Features
  6. Testing: Setup & Overclocking
  7. Testing: Far Cry 2
  8. Testing: Crysis Warhead
  9. Testing: Darkest of Days
  10. Testing: Call of Duty: World at War
  11. Testing: Warhammer 40,000: Dawn of War II
  12. Testing: Batman Arkham Asylum
  13. Testing: Resident Evil 5
  14. Testing: Left 4 Dead
  15. Testing: 3DMark 06
  16. Testing: 3DMark Vantage
  17. Conclusion
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