Nikon D3100 vs Nikon D750
68 Imaging
53 Features
59 Overall
55
57 Imaging
70 Features
87 Overall
76
Nikon D3100 vs Nikon D750 Key Specs
(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
(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- Superseded the Nikon D700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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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.
President Biden pushes bill mandating TikTok sale or banThe 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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Following is a sample of the gallery pictures for Nikon D3100 & Nikon D750. The whole galleries are viewable at Nikon D3100 Gallery & Nikon D750 Gallery.
Reasons to pick Nikon D3100 over the Nikon D750
| D3100 | D750 |
|---|
Reasons to pick Nikon D750 over the Nikon D3100
| D750 | D3100 | |||
|---|---|---|---|---|
| Revealed | September 2014 | December 2010 | Fresher by 45 months | |
| Display type | Tilting | Fixed | Tilting display | |
| Display sizing | 3.2" | 3" | Larger display (+0.2") | |
| Display resolution | 1229k | 230k | Crisper 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.
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.

Looking at dimensions and weight, the portability score of the D3100 and D750 is 68 and 57 respectively.
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 Screen and ViewFinder
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Nikon D3100 vs Nikon D750 Specifications
| Nikon D3100 | Nikon 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 |