Nikon D3100 vs. Sony SLT-A37

Side by side
2 cameras compared
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May 17, 2012
Aug 19, 2010
May 17, 2012
 
 
Body + 18-55mm lens: $599.99/ €599/£530
 
Compact SLR
Compact SLR
 
4608 x 3072
4912 x 3264
3456 x 2304, 2304 x 1536
4912 x 2760, 3568 x 2368, 3568 x 2000, 2448 x 1624, 2448 x 1376
3:2
3:2, 16:9
14 megapixels
16 megapixels
15 megapixels
17 megapixels
APS-C (23.1 x 15.4 mm)
APS-C (23.5 x 15.6 mm)
CMOS
CMOS
Expeed 2
 
 
sRGB, Adobe RGB
 
Primary color filters
 
Auto, 100, 200, 400, 800, 1600, 3200 (12800 with boost)
Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12800, 25600
12800
25600
12
6
Yes (1)
Yes (1)
No
Sensor-shift
RAW
RAW
Fine, Normal, Basic
Fine, Normal
 
  • RAW
  • RAW + JPEG
  • JPEG Fine
  • JPEG Standard
 
  • Contrast Detect (sensor)
  • Phase Detect
  • Multi-area
  • Selective single-point
  • Tracking
  • Single
  • Continuous
  • Face Detection
  • Live View
  • Phase Detect
  • Multi-area
  • Selective single-point
  • Single
  • Continuous
  • Face Detection
  • Live View
 
Built-in Flash type
No
Yes (2x Clear Image Zoom)
Yes
Yes
11
15
Nikon F
Sony/Minolta Alpha
1.5×
1.5×
 
Fixed
Tilting
3
2.6
230,000
230,400
No
No
TFT LCD monitor
 
Yes
Yes
Optical (pentamirror)
Electronic
95%
100%
0.8× (0.53× 35mm equiv.)
1.09× (0.73× 35mm equiv.)
 
1,440,000
 
30 sec
30 sec
1/4000 sec
1/4000 sec
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
 
  • iAuto
  • Superior Auto
  • Program
  • Aperture Priority,
  • Shutter Priority
  • Manual
 
  • Portrait
  • Sports Action
  • Macro
  • Landscape
  • Sunset
  • Night view
  • Hand-held Twilight (6 shot layering)
  • Night Portrait
  • Picture Effect
Yes (Pop-up)
Yes (Pop-up)
12.00 m (at ISO 100)
12.00 m
Yes (Hot-shoe, Wireless plus sync connector)
Yes (Hot-shoe, Wireless)
Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain
Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
 
1/160 sec
 
  • Single Shot
  • Continuous (Hi/Lo)
  • Self-timer (10/2 sec. delay)
  • Bracketing (Cont., Single, White Balance), Remote Control (with optional RM-DSLR1)
3.0 fps
5.5 fps
Yes
Yes (2 or 10 sec, 10 sec 3 or 5 images)
  • Multi
  • Center-weighted
  • Average
  • Multi
  • Center-weighted
  • Spot
±5 (at 1/3 EV steps)
±3 (at 1/3 EV steps)
 
(3 frames at 1/3 EV, 2/3 EV steps)
No
Yes (3 frames, H/L selectable)
 
1920 x 1080 (24 fps), 1280 x 720 (30, 25, 24 fps), 640 x 424 (24 fps)
1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
MPEG-4
MPEG-4, AVCHD, H.264
 
1080i60 or 24 on NTSC models
Mono
Stereo
None
Mono
 
SD/SDHC/SDXC
SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
None
 
 
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
Yes (Mini Type C)
Yes (Mini Type C)
Eye-Fi Connected
Eye-Fi Connected
Yes (Optional)
Yes (Optional)
 
No
No
Battery Pack
Battery Pack
Lithium-Ion EN-EL14 rechargeable battery & charger
Rechargeable NP-FW50 battery & charger
 
500
505 g (1.11 lb / 17.81 oz)
506 g (1.12 lb / 17.85 oz)
124 x 96 x 75 mm (4.88 x 3.78 x 2.95)
124 x 92 x 85 mm (4.88 x 3.62 x 3.35)
 
Yes
Yes
Optional
None
GP-1