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PowerColor Radeon HD 7790 Turbo Duo Review

ccokeman    -   March 24, 2013
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PowerColor Radeon HD 7790 Turbo Duo Testing:

Testing of the PowerColor HD 7790 Turbo Duo will consist of running it and comparison cards through the OverclockersClub.com suite of games and synthetic benchmarks. This will test the performance against many popular competitors. Comparisons will be made to cards of a range of capabilities to show where each card falls on the performance ladder. The games used are some of today's newest and most popular titles, which should be able to provide an idea of how the cards perform relative to each other.

The system specifications will remain the same throughout the testing. No adjustments will be made to the respective control panels during the testing to approximate the performance the end user can expect with a stock driver installation. I will first test the cards at stock speeds, and then overclocked to see the effects of an increase in clock speed. The cards will be placed in order from highest to lowest performance in each graph to show where they fall by comparison. The NVIDIA comparison cards will be using the 314.21 beta drivers.The AMD-based cards will be using the Catalyst 13.1 drivers and latest CAP profile with the exception of the HD 7790 which will use the press evaluation driver.

 

Testing Setup:

 

Comparison Video Cards:

 

 

Overclocking:

  • PowerColor HD 7790 Turbo Duo:Core 1200Hz, Memory 1600MHz

Overclocking on PowerColor's factory overclocked Turbo Duo HD 7790 was again limited to the maximum levels locked into the vBIOS of 1200MHz (core) and 1600MHz (memory). To get there only required moving the sliders to the right in any one of the popular GPU tuning utilities available today including PowerColor's Powerup Tuner. Adjusting the sliders to the maximum level raised the core clock by 125MHz and the memory clock speed by 100MHz. This increase did provide a measurable FPS performance increase over the baseline clock speeds. Voltage options are non-existent due to the way the new core dynamically manages the core voltage and clock speeds to stay underneath the TDP levels set by AMD for the core. My feeling is that there is more clock speed left on the table at this point that hopefully can be unlocked as tools mature to work with this new GCN core from AMD.

 

Maximum Clock Speeds:

Testing for the maximum clock speed consisted of looping Unigine Heaven 4.0 for 30 minutes each to see where the clock speeds failed when pushed. If the clock speed adjustment failed, then the clock speeds and tests were rerun until they passed a full hour of testing.

 

 

  • Gaming Tests:
  1. Metro 2033
  2. Crysis 3
  3. Batman: Arkham City
  4. Battlefield 3
  5. Unigine Heaven Benchmark 4.0
  6. Unigine Valley 1.0
  7. Sid Meier's Civilization V
  8. DiRT 3
  9. Far Cry 3
  10. 3DMark

 

  • Usage:

  1. Temperatures
  2. Power Consumption



  1. PowerColor Radeon HD 7790 Turbo Duo Introduction & Closer Look
  2. PowerColor Radeon HD 7790 Turbo Duo Closer Look: The Video card
  3. PowerColor Radeon HD 7790 Turbo Duo Specifications & Features
  4. PowerColor Radeon HD 7790 Turbo Duo Testing: Setup & Overclocking
  5. PowerColor Radeon HD 7790 Turbo Duo Testing: Metro 2033
  6. PowerColor Radeon HD 7790 Turbo Duo Testing: Crysis 3
  7. PowerColor Radeon HD 7790 Turbo Duo Testing: Batman Arkham City
  8. PowerColor Radeon HD 7790 Turbo Duo Testing: Battlefield 3
  9. PowerColor Radeon HD 7790 Turbo Duo Testing: DiRT 3
  10. PowerColor Radeon HD 7790 Turbo Duo Testing: Civilization V
  11. PowerColor Radeon HD 7790 Turbo Duo Testing: Far Cry 3
  12. PowerColor Radeon HD 7790 Turbo Duo Testing: Unigine Heaven 4.0
  13. PowerColor Radeon HD 7790 Turbo Duo Testing: Unigine Valley 1.0
  14. PowerColor Radeon HD 7790 Turbo Duo Testing: Futuremark 3DMark
  15. PowerColor Radeon HD 7790 Turbo Duo Testing: Temperatures
  16. PowerColor Radeon HD 7790 Turbo Duo Testing: Power Consumption
  17. PowerColor Radeon HD 7790 Turbo Duo Conclusion
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