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Pentax XG-1 vs Sony A100

Portability
66
Imaging
40
Features
37
Overall
38
Pentax XG-1 front
 
Sony Alpha DSLR-A100 front
Portability
64
Imaging
48
Features
38
Overall
44

Pentax XG-1 vs Sony A100 Key Specs

Pentax XG-1
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 100 - 3200
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 24-1248mm (F2.8-5.6) lens
  • 567g - 119 x 89 x 98mm
  • Introduced July 2014
Sony A100
(Full Review)
  • 10MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 1600
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 638g - 133 x 95 x 71mm
  • Launched July 2006
  • Superseded the Konica Minolta 5D
  • Replacement is Sony A550
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Pentax XG-1 vs Sony A100 Overview

Following is a in-depth analysis of the Pentax XG-1 and Sony A100, former is a Small Sensor Superzoom while the latter is a Entry-Level DSLR by competitors Pentax and Sony. There exists a large gap between the resolutions of the XG-1 (16MP) and A100 (10MP) and the XG-1 (1/2.3") and A100 (APS-C) posses totally different sensor dimensions.

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The XG-1 was revealed 8 years after the A100 which is quite a serious difference as far as technology is concerned. Both of these cameras feature different body design with the Pentax XG-1 being a SLR-like (bridge) camera and the Sony A100 being a Compact SLR camera.

Before getting straight to a complete comparison, here is a short summary of how the XG-1 scores against the A100 in relation to portability, imaging, features and an overall score.

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Reasons to pick Pentax XG-1 over the Sony A100

 XG-1 A100 
LaunchedJuly 2014July 2006More modern by 97 months
Screen size3"2.5"Bigger screen (+0.5")
Screen resolution460k230kSharper screen (+230k dot)

Reasons to pick Sony A100 over the Pentax XG-1

 A100 XG-1 

Common features in the Pentax XG-1 and Sony A100

 XG-1 A100 
Manual focus Very exact focus
Screen typeFixed Fixed Fixed screen
Selfie screen Neither comes with selfie screen
Touch friendly screen Absent Touch friendly screen

Pentax XG-1 vs Sony A100 Physical Comparison

If you are intending to carry around your camera often, you'll need to think about its weight and dimensions. The Pentax XG-1 comes with outer dimensions of 119mm x 89mm x 98mm (4.7" x 3.5" x 3.9") along with a weight of 567 grams (1.25 lbs) whilst the Sony A100 has dimensions of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") with a weight of 638 grams (1.41 lbs).

See the Pentax XG-1 and Sony A100 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will differ dependant on the lens you choose at that time. Underneath is a front view over all size comparison of the XG-1 versus the A100.

Pentax XG-1 vs Sony A100 size comparison

Looking at dimensions and weight, the portability grade of the XG-1 and A100 is 66 and 64 respectively.

Pentax XG-1 vs Sony A100 top view buttons comparison

Pentax XG-1 vs Sony A100 Sensor Comparison

More often than not, its hard to visualise the gap between sensor sizes simply by reading a spec sheet. The image underneath may give you a more clear sense of the sensor sizes in the XG-1 and A100.

As you can see, each of these cameras feature different megapixel count and different sensor sizes. The XG-1 having a tinier sensor will make getting shallow DOF harder and the Pentax XG-1 will deliver more detail because of its extra 6 Megapixels. Higher resolution will also enable you to crop photographs way more aggressively. The newer XG-1 is going to have an advantage when it comes to sensor tech.

Pentax XG-1 vs Sony A100 sensor size comparison

Pentax XG-1 vs Sony A100 Screen and ViewFinder

Pentax XG-1 vs Sony A100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax XG-1 Portrait photography info
Sony A100 Portrait photography info
40
focusing manually
megapixel count decent (16MP)
cannot use external flash
sensor is very small (1/2.3")
no RAW files
52
you can focus manually
sensor size is good (APS-C)
supports RAW formats
does not have liveview
megapixel count low (10 megapixels)
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Street Comparison

Pentax XG-1 Street photography details
Sony A100 Street photography details
43
image stabilization (Sensor-shift)
screen is fixed
sensor is very small (1/2.3")
no RAW files
heavier than average (567 grams)
64
built in image stabilization (Sensor based)
sensor size is good (APS-C)
supports RAW formats
fixed screen
Photography Glossary

Sports Comparison

Sports photography with Pentax XG-1
Sports photography with Sony A100
45
long zoom range (24-1248mm 52.0 x zoom)
image stabilization (Sensor-shift)
megapixel count decent (16 megapixels)
sensor is very small (1/2.3")
terrible battery pack (240 CIPA)
no phase detect autofocus
49
built in image stabilization (Sensor based)
sensor size is good (APS-C)
comes with phase detect AF
does not have liveview
continuous shooting slow (3.0 frames/s)
megapixel count low (10 megapixels)
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Travel Comparison

Pentax XG-1 Travel photography factors
Sony A100 Travel photography factors
52
megapixel count decent (16 megapixels)
flash built-in
pretty wide (24mm)
very long reach (1248mm)
no Time Lapse recording
terrible battery pack (240 per charge)
heavier than average (567 grams)
screen is not selfie friendly
somewhat slow max aperture (f2.8)
45
flash built-in
no Time Lapse function
megapixel count low (10MP)
does not offer selfie friendly screen
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Landscape Comparison

Pentax XG-1 as a Landscape photography camera
Sony A100 as a Landscape photography camera
45
focusing manually
pretty wide (24mm)
pretty good screen size (3")
image stabilization (Sensor-shift)
megapixel count decent (16MP)
fixed lens (fixed lens mount)
somewhat slow max aperture (f2.8)
sensor is very small (1/2.3")
no RAW files
terrible battery pack (240 shots)
no Time Lapse recording
53
you can focus manually
swap lenses (Sony/Minolta Alpha mount)
built in image stabilization (Sensor based)
sensor size is good (APS-C)
supports RAW formats
tiny screen (2.5 inches)
does not have liveview
megapixel count low (10MP)
no Time Lapse function
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Vlogging Comparison

Vlogging with Pentax XG-1
Vlogging with Sony A100
25
pretty wide (24mm)
image stabilization (Sensor-shift)
video resolution high (1920 x 1080 pxls)
somewhat slow max aperture (f2.8)
screen is not selfie friendly
no external mic socket
heavier than average (567g)
9
can't shoot video
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Pentax XG-1 vs Sony A100 Specifications

Detailed spec comparison table for Pentax XG-1 and Sony A100
 Pentax XG-1Sony Alpha DSLR-A100
General Information
Make Pentax Sony
Model type Pentax XG-1 Sony Alpha DSLR-A100
Type Small Sensor Superzoom Entry-Level DSLR
Introduced 2014-07-15 2006-07-31
Physical type SLR-like (bridge) Compact SLR
Sensor Information
Sensor type BSI-CMOS CCD
Sensor size 1/2.3" APS-C
Sensor dimensions 6.17 x 4.55mm 23.6 x 15.8mm
Sensor surface area 28.1mm² 372.9mm²
Sensor resolution 16 megapixels 10 megapixels
Anti alias filter
Aspect ratio 4:3, 3:2 and 16:9 3:2
Peak resolution 4608 x 3456 3872 x 2592
Highest native ISO 3200 1600
Minimum native ISO 100 100
RAW support
Autofocusing
Manual focusing
Touch focus
Continuous AF
AF single
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Total focus points - 9
Lens
Lens mount type fixed lens Sony/Minolta Alpha
Lens zoom range 24-1248mm (52.0x) -
Largest aperture f/2.8-5.6 -
Macro focusing distance 1cm -
Amount of lenses - 143
Crop factor 5.8 1.5
Screen
Type of screen Fixed Type Fixed Type
Screen diagonal 3" 2.5"
Resolution of screen 460k dots 230k dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder Electronic Optical (pentamirror)
Viewfinder resolution 200k dots -
Viewfinder coverage - 95 percent
Viewfinder magnification - 0.55x
Features
Min shutter speed 4 seconds 30 seconds
Max shutter speed 1/2000 seconds 1/4000 seconds
Continuous shutter rate 9.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Integrated flash
Flash distance 6.00 m -
Flash options Force Off, Flash Auto, Force Flash, Slow Sync., Slow Sync. + Red-Eye, Red-Eye Reduction Auto, Fill-in, Red-Eye reduction, Slow Sync, Off
Hot shoe
Auto exposure bracketing
White balance bracketing
Max flash synchronize - 1/160 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps), 640 x 480 (120 fps) -
Highest video resolution 1920x1080 None
Video data format Motion JPEG -
Mic support
Headphone support
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 567 gr (1.25 lb) 638 gr (1.41 lb)
Physical dimensions 119 x 89 x 98mm (4.7" x 3.5" x 3.9") 133 x 95 x 71mm (5.2" x 3.7" x 2.8")
DXO scores
DXO Overall rating not tested 61
DXO Color Depth rating not tested 22.0
DXO Dynamic range rating not tested 11.2
DXO Low light rating not tested 476
Other
Battery life 240 photos -
Battery style Battery Pack -
Battery ID LB-060 NP-FM55H
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Storage type SD/SDHC Compact Flash (Type I or II)
Card slots One One
Pricing at release $599 $1,000