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Nikon D3100 vs Nikon D750

Portability
68
Imaging
53
Features
59
Overall
55
Nikon D3100 front
 
Nikon D750 front
Portability
57
Imaging
70
Features
87
Overall
76

Nikon D3100 vs Nikon D750 Key Specs

Nikon D3100
(Full Review)
  • 14MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 3200 (Expand to 12800)
  • 1920 x 1080 video
  • Nikon F Mount
  • 505g - 124 x 96 x 75mm
  • Revealed December 2010
  • Replaced the Nikon D3000
  • Successor is Nikon D3200
Nikon D750
(Full Review)
  • 24MP - Full frame Sensor
  • 3.2" Tilting Display
  • ISO 100 - 12800 (Boost to 51200)
  • 1920 x 1080 video
  • Nikon F Mount
  • 840g - 141 x 113 x 78mm
  • Revealed September 2014
  • Superseded the Nikon D700
  • Replacement is Nikon D780
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Nikon D3100 vs Nikon D750 Overview

Lets look much closer at the Nikon D3100 and Nikon D750, former being a Entry-Level DSLR while the other is a Advanced DSLR and both of them are sold by Nikon. There exists a substantial gap between the resolutions of the D3100 (14MP) and D750 (24MP) and the D3100 (APS-C) and D750 (Full frame) possess totally different sensor size.

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The D3100 was introduced 4 years earlier than the D750 and that is quite a big difference as far as technology is concerned. Each of these cameras offer different body type with the Nikon D3100 being a Compact SLR camera and the Nikon D750 being a Mid-size SLR camera.

Before diving through a full comparison, below is a concise view of how the D3100 scores vs the D750 when considering portability, imaging, features and an overall rating.

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Reasons to pick Nikon D3100 over the Nikon D750

 D3100 D750 

Reasons to pick Nikon D750 over the Nikon D3100

 D750 D3100 
RevealedSeptember 2014December 2010Fresher by 45 months
Display typeTiltingFixed Tilting display
Display sizing3.2"3"Larger display (+0.2")
Display resolution1229k230kCrisper display (+999k dot)

Common features in the Nikon D3100 and Nikon D750

 D3100 D750 
Focus manually Very exact focus
Selfie screen Neither includes selfie screen
Touch friendly display Neither includes Touch friendly display

Nikon D3100 vs Nikon D750 Physical Comparison

If you're looking to carry your camera often, you'll need to factor in its weight and proportions. The Nikon D3100 features outer dimensions of 124mm x 96mm x 75mm (4.9" x 3.8" x 3.0") accompanied by a weight of 505 grams (1.11 lbs) and the Nikon D750 has measurements of 141mm x 113mm x 78mm (5.6" x 4.4" x 3.1") accompanied by a weight of 840 grams (1.85 lbs).

Look at the Nikon D3100 and Nikon D750 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will change dependant on the lens you are working with at that moment. Following is the front view sizing comparison of the D3100 vs the D750.

Nikon D3100 vs Nikon D750 size comparison

Looking at dimensions and weight, the portability score of the D3100 and D750 is 68 and 57 respectively.

Nikon D3100 vs Nikon D750 top view buttons comparison

Nikon D3100 vs Nikon D750 Sensor Comparison

Quite often, it is very tough to see the gap between sensor sizing purely by reading a spec sheet. The visual underneath should offer you a better sense of the sensor dimensions in the D3100 and D750.

As you can see, the two cameras enjoy different megapixels and different sensor sizing. The D3100 having a tinier sensor will make achieving bokeh trickier and the Nikon D750 will offer more detail using its extra 10 Megapixels. Greater resolution will also make it easier to crop images far more aggressively. The older D3100 is going to be behind with regard to sensor innovation.

Nikon D3100 vs Nikon D750 sensor size comparison

Nikon D3100 vs Nikon D750 Screen and ViewFinder

Nikon D3100 vs Nikon D750 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Nikon D3100 Portrait photography factors
Nikon D750 Portrait photography factors
71
has manual focus
megapixel count decent (14MP)
sensor size is nice (APS-C)
includes face detect focusing
saves RAW files
82
has manual focus
sensor resolution is decent (24MP)
sensor size is great (Full frame)
includes face detect focusing
delivers RAW formats
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Street Comparison

Nikon D3100 Street photography factors
Nikon D750 Street photography factors
58
sensor size is nice (APS-C)
saves RAW files
screen does not articulate
does not have image stabilization
68
tilting screen
sensor size is great (Full frame)
delivers RAW formats
weather sealing
does not have image stabilization
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Sports Comparison

Nikon D3100 Sports photography highlights
Nikon D750 Sports photography highlights
59
megapixel count decent (14 megapixels)
sensor size is nice (APS-C)
includes tracking focus
has phase detect AF
low fps (3.0 frames/s)
does not have image stabilization
77
sensor resolution is decent (24MP)
sensor size is great (Full frame)
includes tracking focus
weather sealing
great battery life (1,230 shots)
has phase detect AF
does not have image stabilization
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Travel Comparison

Nikon D3100 as a Travel photography camera
Nikon D750 as a Travel photography camera
57
megapixel count decent (14 megapixels)
has built in flash
lack of Time Lapse function
doesn't feature selfie friendly screen
68
great battery life (1,230 per charge)
weather sealing
sensor resolution is decent (24MP)
has built in flash
does not posses selfie friendly screen
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Landscape Comparison

Landscape photography with Nikon D3100
Landscape photography with Nikon D750
65
has manual focus
change lenses (Nikon F mount)
pretty good screen size (3 inches)
megapixel count decent (14 megapixels)
sensor size is nice (APS-C)
saves RAW files
does not have image stabilization
lack of Time Lapse function
78
has manual focus
swap lenses (Nikon F mount)
nice screen size (3.2 inch)
sensor resolution is decent (24MP)
sensor size is great (Full frame)
delivers RAW formats
weather sealing
great battery life (1,230 CIPA)
two card slots
does not have image stabilization
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Vlogging Comparison

Vlogging with Nikon D3100
Vlogging with Nikon D750
26
includes face detect focusing
high quality video (1920 x 1080 resolution)
doesn't feature selfie friendly screen
does not have image stabilization
lack of mic port
30
includes face detect focusing
high quality video (1920 x 1080 resolution)
has mic socket
does not posses selfie friendly screen
does not have image stabilization
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Nikon D3100 vs Nikon D750 Specifications

Detailed spec comparison table for Nikon D3100 and Nikon D750
 Nikon D3100Nikon D750
General Information
Brand Name Nikon Nikon
Model type Nikon D3100 Nikon D750
Class Entry-Level DSLR Advanced DSLR
Revealed 2010-12-21 2014-09-12
Physical type Compact SLR Mid-size SLR
Sensor Information
Processor Chip Expeed 2 Expeed 4
Sensor type CMOS CMOS
Sensor size APS-C Full frame
Sensor dimensions 23.1 x 15.4mm 35.9 x 24mm
Sensor surface area 355.7mm² 861.6mm²
Sensor resolution 14 megapixels 24 megapixels
Anti alias filter
Aspect ratio 3:2 3:2
Max resolution 4608 x 3072 6016 x 4016
Max native ISO 3200 12800
Max enhanced ISO 12800 51200
Lowest native ISO 100 100
RAW data
Lowest enhanced ISO - 50
Autofocusing
Manual focusing
Touch to focus
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 11 51
Cross type focus points 1 15
Lens
Lens mount type Nikon F Nikon F
Total lenses 309 309
Crop factor 1.6 1
Screen
Screen type Fixed Type Tilting
Screen sizing 3" 3.2"
Resolution of screen 230 thousand dots 1,229 thousand dots
Selfie friendly
Liveview
Touch function
Screen technology TFT LCD monitor -
Viewfinder Information
Viewfinder type Optical (pentamirror) Optical (pentaprism)
Viewfinder coverage 95% 100%
Viewfinder magnification 0.53x 0.7x
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/4000 secs 1/4000 secs
Continuous shutter rate 3.0fps 6.5fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash distance 12.00 m (at ISO 100) 12.00 m (at ISO 100)
Flash options Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain Auto, Auto FP high-speed sync, auto w/redeye reduction, auto slow sync, auto slow sync w/redeye reduction, fill flash, rear-curtain sync, rear-curtain w/slow sync, redeye reduction, redeye reduction w/slow sync, slow sync, off
External flash
AEB
White balance bracketing
Fastest flash synchronize 1/200 secs 1/200 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (24 fps), 1280 x 720 (30, 25, 24 fps), 640 x 424 (24 fps) 1920 x 1080 (60p, 50p, 30p, 25p, 24p), 1280 x 720 (60p, 50p)
Max video resolution 1920x1080 1920x1080
Video file format MPEG-4 MPEG-4, H.264
Mic port
Headphone port
Connectivity
Wireless Eye-Fi Connected Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS Optional Optional
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 505 grams (1.11 lbs) 840 grams (1.85 lbs)
Dimensions 124 x 96 x 75mm (4.9" x 3.8" x 3.0") 141 x 113 x 78mm (5.6" x 4.4" x 3.1")
DXO scores
DXO Overall rating 67 93
DXO Color Depth rating 22.5 24.8
DXO Dynamic range rating 11.3 14.5
DXO Low light rating 919 2956
Other
Battery life 550 photographs 1230 photographs
Form of battery Battery Pack Battery Pack
Battery ID EN-EL14 EN-EL15
Self timer Yes Yes (2, 5, 10, 20 secs)
Time lapse recording
Storage type SD/SDHC/SDXC SD/SDHC/SDXC (dual slots)
Card slots One Two
Cost at release $565 $2,000