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Canon G7 X vs Sigma DP3 Merrill

Portability
88
Imaging
52
Features
75
Overall
61
Canon PowerShot G7 X front
 
Sigma DP3 Merrill front
Portability
83
Imaging
57
Features
33
Overall
47

Canon G7 X vs Sigma DP3 Merrill Key Specs

Canon G7 X
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Display
  • ISO 125 - 12800
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 24-100mm (F1.8-2.8) lens
  • 304g - 103 x 60 x 40mm
  • Announced September 2014
  • Successor is Canon G7 X MII
Sigma DP3 Merrill
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • 640 x 480 video
  • 75mm (F2.8) lens
  • 330g - 122 x 67 x 59mm
  • Announced January 2013
  • Previous Model is Sigma DP2 Merrill
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Canon G7 X vs Sigma DP3 Merrill Overview

Here, we will be analyzing the Canon G7 X and Sigma DP3 Merrill, both Large Sensor Compact digital cameras by rivals Canon and Sigma. There is a noticeable difference between the sensor resolutions of the G7 X (20MP) and DP3 Merrill (15MP) and the G7 X (1") and DP3 Merrill (APS-C) provide different sensor sizes.

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The G7 X was introduced 21 months after the DP3 Merrill which makes them a generation away from each other. Both cameras feature the same body design (Large Sensor Compact).

Before delving into a step-by-step comparison, here is a quick introduction of how the G7 X scores against the DP3 Merrill in relation to portability, imaging, features and an overall mark.

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Reasons to pick Canon G7 X over the Sigma DP3 Merrill

 G7 X DP3 Merrill 
AnnouncedSeptember 2014January 2013Newer by 21 months
Screen typeTiltingFixed Tilting screen
Screen resolution1040k920kCrisper screen (+120k dot)
Selfie screen Take selfies
Touch friendly screen Quickly navigate

Reasons to pick Sigma DP3 Merrill over the Canon G7 X

 DP3 Merrill G7 X 

Common features in the Canon G7 X and Sigma DP3 Merrill

 G7 X DP3 Merrill 
Focus manually Dial accurate focus
Screen size3"3"Same screen dimensions

Canon G7 X vs Sigma DP3 Merrill Physical Comparison

In case you're going to travel with your camera often, you are going to need to think about its weight and volume. The Canon G7 X provides external measurements of 103mm x 60mm x 40mm (4.1" x 2.4" x 1.6") with a weight of 304 grams (0.67 lbs) while the Sigma DP3 Merrill has sizing of 122mm x 67mm x 59mm (4.8" x 2.6" x 2.3") and a weight of 330 grams (0.73 lbs).

Take a look at the Canon G7 X and Sigma DP3 Merrill in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will change dependant on the lens you are utilizing during that time. Here is a front view scale comparison of the G7 X compared to the DP3 Merrill.

Canon G7 X vs Sigma DP3 Merrill size comparison

Taking into consideration size and weight, the portability grade of the G7 X and DP3 Merrill is 88 and 83 respectively.

Canon G7 X vs Sigma DP3 Merrill top view buttons comparison

Canon G7 X vs Sigma DP3 Merrill Sensor Comparison

In many cases, its difficult to picture the contrast between sensor dimensions just by reading through a spec sheet. The pic below might offer you a clearer sense of the sensor measurements in the G7 X and DP3 Merrill.

As you can see, the two cameras feature different resolutions and different sensor dimensions. The G7 X with its tinier sensor is going to make achieving shallower DOF more difficult and the Canon G7 X will give more detail using its extra 5 Megapixels. Higher resolution will let you crop pictures way more aggressively. The younger G7 X should have an edge in sensor technology.

Canon G7 X vs Sigma DP3 Merrill sensor size comparison

Canon G7 X vs Sigma DP3 Merrill Screen and ViewFinder

Canon G7 X vs Sigma DP3 Merrill Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Canon G7 X Portrait photography highlights
Sigma DP3 Merrill Portrait photography highlights
64
has manual focus
megapixel count decent (20MP)
sensor size is nice (1")
includes face detection focusing
saves RAW files
external flash not possible
74
you can focus manually
good megapixels (15MP)
sensor size is decent (APS-C)
saves RAW files
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Street Comparison

Canon G7 X Street photography details
Sigma DP3 Merrill Street photography details
85
tilting screen
built in image stabilization (Optical)
sensor size is nice (1")
saves RAW files
has focus by touch
lighter than average (304 grams)
65
sensor size is decent (APS-C)
saves RAW files
screen is fixed
lack of image stabilization
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Sports Comparison

Canon G7 X as a Sports photography camera
Sigma DP3 Merrill as a Sports photography camera
56
built in image stabilization (Optical)
megapixel count decent (20MP)
sensor size is nice (1")
bad battery (210 per charge)
doesn't have phase detect AF
45
good megapixels (15 megapixels)
sensor size is decent (APS-C)
focal length is fixed (75mm)
max fps very slow (4.0 frames/s)
lack of image stabilization
has no phase detect autofocus
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Travel Comparison

Canon G7 X Travel photography information
Sigma DP3 Merrill Travel photography information
80
lighter than average (304g)
has focus by touch
megapixel count decent (20MP)
built-in flash
screen is selfie friendly
really wide (24mm)
fast maximum aperture (f1.8)
bad battery (210 shots)
54
good megapixels (15MP)
no Timelapse recording
display isn't selfie friendly
sluggish maximum aperture (f2.8)
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Landscape Comparison

Canon G7 X Landscape photography info
Sigma DP3 Merrill Landscape photography info
69
has manual focus
really wide (24mm)
fast maximum aperture (f1.8)
screen is a decent size (3 inch)
built in image stabilization (Optical)
megapixel count decent (20 megapixels)
sensor size is nice (1")
saves RAW files
fixed lens (fixed lens mount)
bad battery (210 CIPA)
56
you can focus manually
nice screen size (3 inches)
good megapixels (15MP)
sensor size is decent (APS-C)
saves RAW files
fixed lens (fixed lens mount)
focal length is fixed (75mm)
sluggish maximum aperture (f2.8)
lack of image stabilization
no Timelapse recording
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Vlogging Comparison

Canon G7 X Vlogging highlights
Sigma DP3 Merrill Vlogging highlights
81
really wide (24mm)
fast maximum aperture (f1.8)
screen is selfie friendly
touchscreen capability
built in image stabilization (Optical)
includes face detection focusing
great video quality (1920 x 1080 resolution)
lighter than average (304g)
doesn't have external mic socket
22
sluggish maximum aperture (f2.8)
display isn't selfie friendly
lack of image stabilization
low res video (640 x 480 resolution)
no microphone socket
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Canon G7 X vs Sigma DP3 Merrill Specifications

Detailed spec comparison table for Canon G7 X and Sigma DP3 Merrill
 Canon PowerShot G7 XSigma DP3 Merrill
General Information
Brand Canon Sigma
Model Canon PowerShot G7 X Sigma DP3 Merrill
Category Large Sensor Compact Large Sensor Compact
Announced 2014-09-15 2013-01-08
Physical type Large Sensor Compact Large Sensor Compact
Sensor Information
Processor Chip DIGIC 6 Dual TRUE II engine
Sensor type BSI-CMOS CMOS (Foveon X3)
Sensor size 1" APS-C
Sensor measurements 13.2 x 8.8mm 24 x 16mm
Sensor surface area 116.2mm² 384.0mm²
Sensor resolution 20MP 15MP
Anti aliasing filter
Aspect ratio 4:3, 3:2 and 16:9 -
Maximum resolution 5472 x 3648 4704 x 3136
Maximum native ISO 12800 6400
Min native ISO 125 100
RAW pictures
Autofocusing
Focus manually
Touch to focus
AF continuous
Single AF
AF tracking
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 31 -
Cross focus points - -
Lens
Lens mounting type fixed lens fixed lens
Lens focal range 24-100mm (4.2x) 75mm (1x)
Maximal aperture f/1.8-2.8 f/2.8
Macro focus range 5cm -
Focal length multiplier 2.7 1.5
Screen
Type of display Tilting Fixed Type
Display size 3 inches 3 inches
Resolution of display 1,040k dots 920k dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type None None
Features
Slowest shutter speed 40 seconds -
Maximum shutter speed 1/2000 seconds -
Continuous shooting rate 6.5 frames per second 4.0 frames per second
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash range 7.00 m no built-in flash
Flash options Auto, on, slow synchro, off no built-in flash
External flash
Auto exposure bracketing
WB bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (60p, 30p), 1280 x 720 (30p), 640 x 480 (30p) 640 x 480
Maximum video resolution 1920x1080 640x480
Video format MPEG-4, H.264 Motion JPEG
Microphone port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 304 grams (0.67 pounds) 330 grams (0.73 pounds)
Physical dimensions 103 x 60 x 40mm (4.1" x 2.4" x 1.6") 122 x 67 x 59mm (4.8" x 2.6" x 2.3")
DXO scores
DXO All around score 71 not tested
DXO Color Depth score 23.0 not tested
DXO Dynamic range score 12.7 not tested
DXO Low light score 556 not tested
Other
Battery life 210 images -
Battery type Battery Pack -
Battery model NB-13L -
Self timer Yes (2 0r 10 secs, custom) -
Time lapse recording
Storage type SD/SDHC/SDXC (UHS-I compatible) -
Card slots 1 1
Retail pricing $490 $1,353