Updated (June, 2014): Compare the Nikon D810 vs Nikon D3X

Nikon D800

Winner
Nikon D800

94

vs

Nikon D3X

82

Nikon D3X

Runner-up
     

Reasons to buy the Nikon D800

Great image quality
Overall image quality
95.0
Full HD
Movie format
1080p @ 30fps
High true resolution
True resolution
36.2 MP
In-camera HDR
HDR
Combines multiple exposures
 

Reasons to buy the Nikon D3X

Shutter lag
Barely any delay taking photos
161 ms shutter lag
Battery life
Great battery life
4400 shots
Fastest shutter speed
Fast shutter speed
1/8000 of a second
 

differences

Advantages of the Nikon D800

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Low light performance
Lower noise at high ISO
2,853 ISO vs 1,992 ISO
Help
The D800 has a slight edge (0.5 f-stops) in low noise, high ISO performance
HDR
Has in-camera HDR
Yes vs No
Help
Combines multiple exposures to capture high dynamic range
True resolution
Much higher true resolution
36.2 MP vs 24.4 MP
Help
Capture around 50% more detail in your photos
Screen size
Significantly larger screen
3.2" vs 3.0"
Help
Around 10% larger screen
External mic jack
Has an external mic jack
Yes vs No
Help
Record high quality audio with an external microphone
Overall image quality
Better image quality
95.0 vs 88.0
Help
Around 10% better image quality
Autofocus
Video autofocus
Contrast detection vs None
Help
Automatically focuses shooting video
Sensor cleaning
Has a self cleaning sensor
Yes vs No
Help
Removes dust from the sensor automatically, avoiding spots in photos
Size
Much smaller
146x123x82 mm vs 160x157x88 mm
Help
More than 30% smaller
Lowest price
Much cheaper
$2,996.95 vs $7,125.59
Help
The best price we've seen is $4,129 cheaper (2.4x less)
Color depth
Better color depth
25.3 bits vs 24.7 bits
Help
Distinguishes 0.6 more bits of color
Dynamic range
More dynamic range
14.4 EV vs 13.7 EV
Help
0.7 f-stops more dynamic range
Light sensitivity
Better maximum light sensitivity
6,400 ISO vs 1,600 ISO
Help
The D800's maximum light sensitivity is 2 f-stops better
Startup delay
Slightly less startup delay
200 ms vs 300 ms
Help
More than 30% less delay when turning on
Weight
Significantly lighter
1,000 g vs 1,260 g
Help
More than 20% lighter
Built-in flash
Built-in flash
Yes vs No
Help
A built-in flash is useful for taking indoor shots where there is little light
Thickness
Thinner
3.2" vs 3.5"
Help
Around 10% thinner
Light sensitivity (boost)
Better boost ISO
25,600 ISO vs 6,400 ISO
Help
The D800's boost ISO is 2 f-stops better
Nikon D800 Learn more about
the Nikon D800

Advantages of the Nikon D3X

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Battery life
Much longer battery life
4400 shots vs 900 shots
Help
Around 5x more shots per battery charge
Shutter lag
Less shutter lag
161 ms vs 209 ms
Help
More than 20% less delay when taking photos
Continuous shooting
Shoots faster
5 fps vs 4 fps
Help
Around 30% faster continuous shooting
Nikon D3X Learn more about
the Nikon D3X
vs

recommendations

Which camera do we recommend? Relative to the best recent pro DSLRs, and ignoring price

Snapsort Recommends
Nikon D800 Nikon D800 94
Retailer
    Style
      Color
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        vs

        82 Nikon D3X Nikon D3X
        Retailer
          Style
            Color
              You save

              similarities

              Compared to recent DSLRs

              Common Strengths
              Overall image quality Good image quality Help
              D800:95.0
              D3X:88.0
              Low light performance Relatively low noise at high ISO Help
              D800:2,853 ISO
              D3X:1,992 ISO
              Color depth Good color depth Help
              D800:25.3 bits
              D3X:24.7 bits
              Viewfinder size Above average viewfinder size Help
              0.70x
              Sensor size Very large sensors Help
              Full frame 35.9x24.0mm
              Dynamic range Good dynamic range Help
              D800:14.4 EV
              D3X:13.7 EV
              Focus points Many focus points Help
              51
              Startup delay Minimal startup delay Help
              D800:200 ms
              D3X:300 ms
              Weather sealed Weather sealed Help
              Shoot in extreme weather
              True resolution Capture very high resolution images Help
              D800:36.2 MP
              D3X:24.4 MP
              Viewfinder Both have pentaprism viewfinders Help
              Pentaprism
              Built-in focus motor Both have a built-in lens focus motor, which is uncommon in cameras similar to these Help
              Autofocuses with more lenses
              Storage slots Multiple storage slots Help
              2
              Viewfinder coverage Above average viewfinder coverage Help
              100%
              Fastest shutter speed Fast max shutter speeds Help
              1/8000 of a second
              Common Weaknesses
              Weight Heavy Help
              D800:1,000 g
              D3X:1,260 g
              Lowest price Very expensive Help
              D800:$2,996.95
              D3X:$7,125.59
              Thickness Quite thick Help
              D800:3.2"
              D3X:3.5"
              Size Large Help
              D800:146x123x82 mm
              D3X:160x157x88 mm
              Light sensitivity Poor maximum light sensitivity Help
              D800:6,400 ISO
              D3X:1,600 ISO
              Continuous shooting Slow continuous shooting Help
              D800:4 fps
              D3X:5 fps
              Screen flips out No flip-out screens Help
              Less flexible
              Image stabilization No image stabilization Help
              Risk of blur

              Compared to recent pro DSLRs

              Common Strengths

              Snapsort is not aware of any interesting strengths shared by these two products.

              Common Weaknesses
              Light sensitivity (boost) Poor boost ISO Help
              D800:25,600 ISO
              D3X:6,400 ISO
              GPS No built-in GPS Help
              Missing geo-tagging
              Screen resolution Low resolution screens Help
              D800:921k dots
              D3X:920k dots

              dxomark

              DXOMark

              competitors

              Shared Competitors

              Advantages

              Disadvantages

              Nikon D810

              Nikon D810

              Pro DSLR

              $2,997 - $3,297 body only

              $4,590 - $4,890 with 24-70mm lens

              Screen resolution Has a significantly higher resolution screen
              Weight Is slightly lighter
              Nikon D750

              Nikon D750

              Pro DSLR

              $2,149 - $2,297 body only

              $2,997 with 24-120mm lens

              Screen resolution Has a significantly higher resolution screen
              Continuous shooting Shoots faster continuously
              Fastest shutter speed Has a slower max shutter speed
              Canon EOS 5D Mark III

              Canon EOS 5D Mark III

              Pro DSLR

              $3,099 - $3,399 body only

              $3,699 - $3,999 with 24-105mm lens

              Screen resolution Has a slightly higher resolution screen
              Light sensitivity Significantly higher maximum light sensitivity
              Built-in focus motor Doesn't have a built-in focus motor
              Startup delay Has slightly more startup delay
              Nikon D610

              Nikon D610

              Pro DSLR

              $1,497 - $1,597 body only

              $1,897 - $2,040 with 24-85mm lens

              Continuous shooting Shoots faster continuously
              Size Is slightly smaller
              Fastest shutter speed Has a slower max shutter speed
              Shutter lag Has significantly more shutter lag
              Nikon D7100

              Nikon D7100

              Entry-level DSLR

              $897 - $1,097 body only

              $1,197 - $1,240 with 18-140mm lens

              Screen resolution Has a significantly higher resolution screen
              Continuous shooting Shoots faster continuously
              Sensor size Has a significantly smaller sensor
              Shutter lag Has slightly more shutter lag
              Nikon D600

              Nikon D600

              Pro DSLR

              $1,345 - $1,373 body only

              $1,550 with 50mm lens

              Size Is slightly smaller
              Lowest price Is significantly less expensive
              Fastest shutter speed Has a slower max shutter speed
              Shutter lag Has significantly more shutter lag
              Nikon D700

              Nikon D700

              Pro DSLR

              $4,337 body only

              Thickness Is thinner
              Lowest price Is slightly more expensive
              Storage slots Has fewer storage slots

              Nikon D800 Competitors

              Advantages

              Disadvantages

              No significant competitors found that are specific to the Nikon D800.

              Nikon D3X Competitors

              Advantages

              Disadvantages

              No significant competitors found that are specific to the Nikon D3X.

              appearance

              Nikon D800 Nikon D3X
              Nikon D800 Nikon D3X
              Nikon D800 Nikon D3X

              discussion

              Nikon D800
              D800
              Nikon

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              Nikon D3X
              D3X
              Nikon

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