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NVIDIA GeForce GTX 780 Ti Review

ccokeman    -   November 7, 2013
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NVIDIA GeForce GTX 780 Ti Testing:

Testing of the NVIDIA GeForce GTX 780 Ti 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 330.58 drivers while AMD-based cards will be using the Catalyst 13.11 beta  drivers with the R9 290X running 13.11.Beta 8. The GTX 780 Ti will use the launch driver 331.70. The results generated in my testing were reached by utilizing the latest FCAT tools to illustrate the true picture of the gaming experience. To do so will require a second PC setup to capture the data stream generated by the compared video cards. We have tested the R9 290X in Uber mode to eliminate the clock speed inconsistencies we found while running the card in "Quiet" mode to show the best case scenario for this architecture. A comparison of the quiet mode and GTX 780 Ti in extended game play scenarios is something we look at on page 14 .

 

Testing Setup:

FCAT Capture Setup:

 

Comparison Video Cards:

 

 

Overclocking:

  • NVIDIA GeForce GTX 780 Ti : Core 1291MHz, Memory 1940MHz

Boosting the clock speeds on the GTX 780 Ti is accomplished in much the same way it is on every other Keplar-based GPU in NVIDIA's product stack. Set your power and thermal limits to the max, increase the fan speed to 85-100% and start raising the clock speeds up and doing the stability testing tango. With this sample I was able to use the newest version of EVGA's Precision utility to manage the core and memory clock speeds, the fan speed, and voltage controls. Rather than pussyfoot around with 5 and 10MHz jumps I pushed the core clock speed up on the core to a +250MHz offset and then started testing. I could pass stability testing at up to a +305MHz but the card would randomly crash in benchmarks. Dropping down to a +285MHz offset or up to 1304MHz proved fully stable. Using the same methodology, I pushed the memory clock speed up to a +350MHz offset with a final speed of +380MHz or 1940.5MHz proving fully stable. Keeping these speeds stable requires pushing the fan speed up to the maximum to ensure the best possible cooling for long term stability. I have to say I was impressed with what this card could do with NVIDIA's vapor chamber heat sink. If every card could run numbers like this, the performance has a new name and its called the GTX 780 Ti.

 

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: Last Light
  2. Splinter Cell Blacklist
  3. Bioshock Infinite
  4. Crysis 3
  5. Far Cry 3
  6. Battlefield 3
  7. Batman: Arkham City
  8. Unigine Heaven Benchmark 4.0
  9. 3DMark

 

  • Usage:

  1. Temperatures
  2. Power Consumption



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