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Ricoh GR Digital IV vs Sony A77

Portability
92
Imaging
35
Features
47
Overall
39
Ricoh GR Digital IV front
 
Sony SLT-A77 front
Portability
59
Imaging
63
Features
83
Overall
71

Ricoh GR Digital IV vs Sony A77 Key Specs

Ricoh GR Digital IV
(Full Review)
  • 10MP - 1/1.7" Sensor
  • 3" Fixed Screen
  • ISO 80 - 3200
  • Sensor-shift Image Stabilization
  • 640 x 480 video
  • 28mm (F1.9) lens
  • 190g - 109 x 59 x 33mm
  • Launched September 2011
  • Older Model is Ricoh GR Digital III
Sony A77
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 50 - 16000 (Expand to 25600)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 732g - 143 x 104 x 81mm
  • Launched October 2011
  • Superseded the Sony A700
  • Replacement is Sony A77 II
Photography Glossary

Ricoh GR Digital IV vs Sony A77 Overview

Here is a thorough assessment of the Ricoh GR Digital IV versus Sony A77, former being a Small Sensor Compact while the latter is a Advanced DSLR by manufacturers Ricoh and Sony. There is a sizable difference among the image resolutions of the GR Digital IV (10MP) and A77 (24MP) and the GR Digital IV (1/1.7") and A77 (APS-C) enjoy totally different sensor dimensions.

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The GR Digital IV was manufactured around the same time to the A77 which means that they are both of a similar age. Each of these cameras come with different body type with the Ricoh GR Digital IV being a Compact camera and the Sony A77 being a Mid-size SLR camera.

Before diving in to a complete comparison, below is a short view of how the GR Digital IV scores versus the A77 for portability, imaging, features and an overall rating.

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Reasons to pick Ricoh GR Digital IV over the Sony A77

 GR Digital IV A77 
Screen resolution1230k921kClearer screen (+309k dot)

Reasons to pick Sony A77 over the Ricoh GR Digital IV

 A77 GR Digital IV 
Screen typeFully ArticulatedFixed Fully Articulating screen
Selfie screen Easy selfies

Common features in the Ricoh GR Digital IV and Sony A77

 GR Digital IV A77 
LaunchedSeptember 2011October 2011Same age
Focus manually Very accurate focusing
Screen dimension3"3"Identical screen sizing
Touch friendly screen Missing Touch friendly screen

Ricoh GR Digital IV vs Sony A77 Physical Comparison

When you are going to carry your camera often, you are going to need to consider its weight and dimensions. The Ricoh GR Digital IV has physical dimensions of 109mm x 59mm x 33mm (4.3" x 2.3" x 1.3") and a weight of 190 grams (0.42 lbs) and the Sony A77 has dimensions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") having a weight of 732 grams (1.61 lbs).

Compare the Ricoh GR Digital IV versus Sony A77 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will change dependant on the lens you have attached at that moment. The following is the front view over all size comparison of the GR Digital IV against the A77.

Ricoh GR Digital IV vs Sony A77 size comparison

Considering size and weight, the portability score of the GR Digital IV and A77 is 92 and 59 respectively.

Ricoh GR Digital IV vs Sony A77 top view buttons comparison

Ricoh GR Digital IV vs Sony A77 Sensor Comparison

Generally, it's tough to see the difference in sensor sizing only by seeing specs. The graphic underneath will provide you a much better sense of the sensor sizes in the GR Digital IV and A77.

All in all, both of those cameras have got different megapixels and different sensor sizing. The GR Digital IV because of its smaller sensor will make achieving bokeh trickier and the Sony A77 will show more detail due to its extra 14MP. Higher resolution can also let you crop pictures much more aggressively.

Ricoh GR Digital IV vs Sony A77 sensor size comparison

Ricoh GR Digital IV vs Sony A77 Screen and ViewFinder

Ricoh GR Digital IV vs Sony A77 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GR Digital IV Portrait photography highlights
Sony A77 Portrait photography highlights
41
manual focus
saves RAW files
low resolution sensor (10MP)
sensor is small (1/1.7")
77
has manual focus
decent MP (24MP)
sensor size is nice (APS-C)
offers face detect autofocus
supports RAW formats
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Street Comparison

Ricoh GR Digital IV Street photography highlights
Sony A77 Street photography highlights
65
image stabilization (Sensor-shift)
saves RAW files
no articulating screen
sensor is small (1/1.7")
74
screen articulates fully
image stabilization (Sensor based)
sensor size is nice (APS-C)
supports RAW formats
weather sealing
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Sports Comparison

Ricoh GR Digital IV Sports photography advice
Sony A77 Sports photography advice
34
image stabilization (Sensor-shift)
good battery (390 CIPA)
can't change focal length (28mm)
low resolution sensor (10 megapixels)
sensor is small (1/1.7")
does not have phase detect autofocus
74
max shutter speed is good (1/8,000 seconds)
image stabilization (Sensor based)
decent MP (24 megapixels)
sensor size is nice (APS-C)
weather sealing
supports phase detect autofocus
bad battery pack (470 per charge)
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Travel Comparison

Ricoh GR Digital IV Travel photography information
Sony A77 Travel photography information
67
good battery (390 CIPA)
flash built-in
fast max aperture (f1.9)
low resolution sensor (10 megapixels)
screen isn't selfie friendly
62
weather sealing
decent MP (24 megapixels)
flash built-in
screen is selfie friendly
lack of Timelapse recording
bad battery pack (470 CIPA)
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Landscape Comparison

Ricoh GR Digital IV Landscape photography highlights
Sony A77 Landscape photography highlights
53
manual focus
fast max aperture (f1.9)
decent sized screen (3")
image stabilization (Sensor-shift)
saves RAW files
good battery (390 per charge)
cannot change lenses (fixed lens mount)
can't change focal length (28mm)
low resolution sensor (10MP)
sensor is small (1/1.7")
71
has manual focus
swap lenses (Sony/Minolta Alpha mount)
nice screen size (3 inch)
image stabilization (Sensor based)
decent MP (24 megapixels)
sensor size is nice (APS-C)
supports RAW formats
weather sealing
bad battery pack (470 shots)
lack of Timelapse recording
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Vlogging Comparison

Ricoh GR Digital IV Vlogging info
Sony A77 Vlogging info
29
fast max aperture (f1.9)
image stabilization (Sensor-shift)
screen isn't selfie friendly
low res video (640 x 480 pxls)
lack of microphone socket
76
screen is selfie friendly
image stabilization (Sensor based)
offers face detect autofocus
video resolution high (1920 x 1080 pxls)
comes with microphone socket
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Ricoh GR Digital IV vs Sony A77 Specifications

Detailed spec comparison table for Ricoh GR Digital IV and Sony A77
 Ricoh GR Digital IVSony SLT-A77
General Information
Make Ricoh Sony
Model type Ricoh GR Digital IV Sony SLT-A77
Category Small Sensor Compact Advanced DSLR
Launched 2011-09-15 2011-10-25
Physical type Compact Mid-size SLR
Sensor Information
Processor - Bionz
Sensor type CCD CMOS
Sensor size 1/1.7" APS-C
Sensor measurements 7.44 x 5.58mm 23.5 x 15.6mm
Sensor area 41.5mm² 366.6mm²
Sensor resolution 10 megapixel 24 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3 and 3:2 3:2 and 16:9
Peak resolution 3648 x 2736 6000 x 4000
Highest native ISO 3200 16000
Highest enhanced ISO - 25600
Lowest native ISO 80 50
RAW data
Autofocusing
Manual focusing
Touch to focus
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points - 19
Cross type focus points - 11
Lens
Lens support fixed lens Sony/Minolta Alpha
Lens zoom range 28mm (1x) -
Maximal aperture f/1.9 -
Macro focusing distance 1cm -
Available lenses - 143
Crop factor 4.8 1.5
Screen
Screen type Fixed Type Fully Articulated
Screen size 3 inch 3 inch
Screen resolution 1,230 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type Optical (optional) Electronic
Viewfinder resolution - 2,359 thousand dots
Viewfinder coverage - 100%
Viewfinder magnification - 0.73x
Features
Min shutter speed 1 seconds 30 seconds
Max shutter speed 1/2000 seconds 1/8000 seconds
Continuous shutter rate - 12.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash distance 3.00 m 12.00 m
Flash settings Auto, On, Off, Red-Eye, Slow Sync, Manual Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
AEB
WB bracketing
Max flash synchronize - 1/250 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Highest video resolution 640x480 1920x1080
Video data format Motion JPEG MPEG-4, AVCHD, H.264
Microphone port
Headphone port
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 190g (0.42 lb) 732g (1.61 lb)
Dimensions 109 x 59 x 33mm (4.3" x 2.3" x 1.3") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO Overall rating not tested 78
DXO Color Depth rating not tested 24.0
DXO Dynamic range rating not tested 13.2
DXO Low light rating not tested 801
Other
Battery life 390 pictures 470 pictures
Battery type Battery Pack Battery Pack
Battery ID DB65 NP-FM500H
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Storage type SD/SDHC, Internal SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots 1 1
Launch price $599 $900