Testing
We used Unigine's Valley benchmark, which stresses the card for prolonged periods, allowing thermal throttling to come into play - something that might not always be evident in shorter game benchmarks but is likely to offer similar results to extensive gaming sessions. The benchmark score is also fairly granular so any performance differences should be easily identifiable.
Click to enlarge
We used a Core i7-5960X running at stock speed, a Rampage V Extreme and a custom water-cooling loop consisting of an Alphacool NexXxos ST45 280 radiator and Corsair SP140mm fans set at 7V  to cool the Titan X, along with an EK-FC Titan X full-cover waterblock and Laing DDC pump. We carried out the tests in isolation from our original Titan X testing using different hardware so the results aren't comparable.
  
    
    
      - 
        Titan X (air-cooled, overclocked)
      
- 
        Titan X (air-cooled, max power + temp)
      
- 
        Titan X (air-cooled, stock speed)
      
- 
        Titan X (water-cooled, max overclock)
      
- 
        Titan X (water-cooled, overclocked)
      
- 
        Titan X (water-cooled, max power + temp
      
- 
        Titan X (water-cooled, stock speed)
      
Delta T in °C
   
 
  
    
    
      - 
        Titan X (water-cooled, max overclock)
      
- 
        Titan X (water-cooled, overclocked)
      
- 
        Titan X (air-cooled, overclocked)
      
- 
        Titan X (water-cooled, max power + temp
      
- 
        Titan X (water-cooled, stock speed)
      
- 
        Titan X (air-cooled, max power + temp)
      
- 
        Titan X (air-cooled, stock speed)
      
      
        - 
          
            6034
           
- 
          
            5912
           
- 
          
            5894
           
- 
          
            5817
           
- 
          
            5797
           
- 
          
            5498
           
- 
          
            5455
           
        
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          1000
        
        
          2000
        
        
          3000
        
        
          4000
        
        
          5000
        
        
          6000
        
       
     
    Delta T in °C
   
 
     
    
    
        
            
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