Colour Temperature
We measure the colour temperature of each monitor using whichever preset RGB settings are closest to the ideal value of 6,500K. We display the measured value as well as the deviation from the ideal in a second graph for easier comparison.
  
    
    
      - 
        Acer Predator GN246HLBbid
      
 
      - 
        AOC G2460Pqu
      
 
      - 
        ASUS VG248QE
      
 
      - 
        ASUS VG278H
      
 
      - 
        BenQ RL2455HM
      
 
      - 
        BenQ XL2720Z
      
 
      - 
        Eizo Foris FG2421
      
 
      - 
        Iiyama ProLite E2473HS-GB1
      
 
      - 
        Iiyama ProLite GB2488HSU
      
 
      - 
        Philips 242G5DJEB
      
 
      - 
        Samsung U28D590D
      
 
    
    
      
        - 
          
            7537
          
         
        - 
          
            7640
          
         
        - 
          
            7846
          
         
        - 
          
            6601
          
         
        - 
          
            6540
          
         
        - 
          
            7631
          
         
        - 
          
            6590
          
         
        - 
          
            7133
          
         
        - 
          
            7146
          
         
        - 
          
            7080
          
         
        - 
          
            6279
          
         
      
      
        
          0
        
        
          1000
        
        
          2000
        
        
          3000
        
        
          4000
        
        
          5000
        
        
          6000
        
        
          7000
        
        
          8000
        
       
     
    Colour temperature (kelvin)
   
 
  
    
    
      - 
        BenQ RL2455HM
      
 
      - 
        Eizo Foris FG2421
      
 
      - 
        ASUS VG278H
      
 
      - 
        Samsung U28D590D
      
 
      - 
        Philips 242G5DJEB
      
 
      - 
        Iiyama ProLite E2473HS-GB1
      
 
      - 
        Iiyama ProLite GB2488HSU
      
 
      - 
        Acer Predator GN246HLBbid
      
 
      - 
        BenQ XL2720Z
      
 
      - 
        AOC G2460Pqu
      
 
      - 
        ASUS VG248QE
      
 
    
    
      
        - 
          
          40
        
 
        - 
          
          90
        
 
        - 
          
          101
        
 
        - 
          
            221
          
         
        - 
          
            580
          
         
        - 
          
            633
          
         
        - 
          
            646
          
         
        - 
          
            1037
          
         
        - 
          
            1131
          
         
        - 
          
            1140
          
         
        - 
          
            1346
          
         
      
      
        
          0
        
        
          250
        
        
          500
        
        
          750
        
        
          1000
        
        
          1250
        
        
          1500
        
       
     
    Colour temp deviation (kelvin) - lower is better
   
 
Gamma
We measure the gamma of each monitor at its factory settings at nine different luminance levels (between 10 percent and 90 percent brightness using 10 percent intervals). We display the average of the measured values as well as the deviation from the ideal value of 2.2 in a second graph for easier comparison.
  
    
    
      - 
        Acer Predator GN246HLBbid
      
 
      - 
        AOC G2460Pqu
      
 
      - 
        ASUS VG248QE
      
 
      - 
        ASUS VG278H
      
 
      - 
        BenQ RL2455HM
      
 
      - 
        BenQ XL2720Z
      
 
      - 
        Eizo Foris FG2421
      
 
      - 
        Iiyama ProLite E2473HS-GB1
      
 
      - 
        Iiyama ProLite GB2488HSU
      
 
      - 
        Philips 242G5DJEB
      
 
      - 
        Samsung U28D590D
      
 
    
    
      
        - 
          
            2.61
          
         
        - 
          
            1.92
          
         
        - 
          
            2.09
          
         
        - 
          
            2.54
          
         
        - 
          
            1.13
          
         
        - 
          
            2.62
          
         
        - 
          
            2.39
          
         
        - 
          
            2.32
          
         
        - 
          
            1.79
          
         
        - 
          
            2.32
          
         
        - 
          
            2.19
          
         
      
      
     
    Average gamma
   
 
  
    
    
      - 
        Samsung U28D590D
      
 
      - 
        ASUS VG248QE
      
 
      - 
        Philips 242G5DJEB
      
 
      - 
        Iiyama ProLite E2473HS-GB1
      
 
      - 
        Eizo Foris FG2421
      
 
      - 
        AOC G2460Pqu
      
 
      - 
        ASUS VG278H
      
 
      - 
        Iiyama ProLite GB2488HSU
      
 
      - 
        Acer Predator GN246HLBbid
      
 
      - 
        BenQ XL2720Z
      
 
      - 
        BenQ RL2455HM
      
 
    
    
      
        - 
          
          0.01
        
 
        - 
          
            0.11
          
         
        - 
          
            0.12
          
         
        - 
          
            0.12
          
         
        - 
          
            0.19
          
         
        - 
          
            0.28
          
         
        - 
          
            0.34
          
         
        - 
          
            0.41
          
         
        - 
          
            0.41
          
         
        - 
          
            0.42
          
         
        - 
          
            1.07
          
         
      
      
     
    Average gamma deviation - lower is better
   
 
     
    
    
        
            
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