Compare Pentax K-3 Mark III vs Sony a5100 vs Pentax Q-S1
Connectivity
Ports
HDMI + Headphone + Microphone + Remote Control + USB 3.2 Gen 1
HDMI + Remote Control + USB 2.0
HDMI + Remote Control + USB 2.0
Wireless Connectivity
802.11b/g/n + Bluetooth
802.11b/g/n with NFC
Construction
Form Factor
DSLR camera
Mirrorless camera
Mirrorless camera
Image Size
APS-C (23 x 15.5 mm)
APS-C (23.5 x 15.6 mm)
1/1.7" (7.44 x 5.58 mm)
Lens Mount
Pentax K-mount
Sony E-mount
Pentax Q-mount
Microphone
Stereo
Stereo
Mono
Sensor | Resolution
26 MP (6192 x 4128)
24 MP (6000 x 4000)
12 MP (4000 x 3000)
Sensor | Type
CMOS
CMOS
BSI-CMOS
Speakers
Mono
Mono
Mono
Dimensions
Size | Depth
74 mm / 2.91 in
36 mm / 1.42 in
34 mm / 1.34 in
Size | Height
104 mm / 4.09 in
63 mm / 2.48 in
58 mm / 2.28 in
Size | Width
135 mm / 5.31 in
110 mm / 4.33 in
105 mm / 4.13 in
Weight
820 g / 28.98 oz
283 g / 10.00 oz
203 g / 7.17 oz
Display
Display Diagonal
3.2 inch
3 inch
3 inch
Display Type
Fixed TFT LCD
Tilting TFT LCD
Fixed TFT-LCD
Resolution
1,620,000 dots
921,600 dots
460,000 dots
Viewfinder | Coverage
100%
Viewfinder | Magnification
1.05x
Viewfinder | Type
Optical (pentaprism)
None
None
Function
AE Bracketing
±5 (2, 3, 5 frames at 1/3 EV, 1/2 EV steps)
±3 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV steps)
±3 (3 frames )
Autofocus
101 focus points (25 cross type)
179 focus points
Crop Factor
1.5
1.5
Exposure Compensation
±5 (at 1/3 EV, 1/2 EV steps)
±3 (at 1/3 EV steps)
±3 (at 1/3 EV steps)
Exposure Mode
Auto / Aperture Priority / Shutter Priority / Manual
Auto / Aperture Priority / Shutter Priority / Manual
Auto / Aperture Priority / Shutter Priority / Manual
Flash
Built-in
Built-in
GPS
No
No
No
ISO Range
(100 ~ 1600000)
100 ~ 25600
100 ~ 12800
Image Stabilization
5.5 stops
No
Intervalometer
Yes
Yes
Yes
Processor
PRIME V
Bionz X
Q Engine
Touch Screen
Yes
Yes
No
Video Codecs
MPEG-4, H.264
MPEG-4, AVCHD, XAVC S
MPEG-4, H.264
Weather Resistance
Yes
No
No
Performance
Battery Life
800 shots
400 shots
250 shots
Flash Range
4.00 m
4.90 m
Max Burst Rate
12.0 fps
6.0 fps
5.0 fps
Storage
Dual SD/SDHC/SDXC slots (UHS-II supported in slot 1)
SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
SD/SDHC/SDXC card
Production
Battery
D-LI90
NP-FW50 lithium-ion battery and USB charger
D-LI68 lithium-ion battery & charger
Debut
2021-03-30
2014-08-18
2014-08-04
Model Name
ILCE-5100
Reviews
Neofiliac score
69%
50%
43%
Pros
- Exceptional battery life
- 5.5 stops of IBIS
- Good 12.0 fps burst rate
- Weather-sealed
- Viewfinder with great 1.05x magnification
- Supports both WiFi and Bluetooth
- Exceptionally compact
- Very light
- Lacks weather sealing
- Exceptionally compact
- Very light
Cons
- Quite heavy
- Low 6.0 fps burst rate
- Menu not touch-enabled
- Poor battery life
- Very low 5.0 fps burst rate
- Very low 12 MP resolution
- Lacks weather sealing
- Not a serious system
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