Camera Rocket Review Our evaluation of DMC-G3 vs 650D

Image Quality

RAW image quality independent of lens

DxOMark Low light, DxOMark Color depth and DxOMark Dynamic range

Focusing

How fast and easily does the camera nail focus

Focus lag, cross type focus points and focus points

Responsiveness

How much delay is there between you and your photo?

Focus lag, continuous shooting and Startup delay

Reviews

What do the experts think?

Reviews from photographyblog.com, dpreview.com and reviews.cnet.com

Camera Rocket Score

Image Quality, Focusing, Responsiveness and Reviews

Winner
Canon EOS 650D 

Camera Rocket recommends the Canon EOS 650D  based on its image quality, focusing and responsiveness.

See full details

Benchmarks Real world tests of Lumix DMC-G3 vs EOS 650D

Low light image quality Highest ISO setting that still achieves great image quality

Lumix DMC-G3
667 ISO
EOS 650D
722 ISO

Resolution Results from photos of standard resolution charts

Lumix DMC-G3
2,400 LPH
EOS 650D
2,600 LPH

Focus lag Delay between fully pressing shutter to image capture

Lumix DMC-G3
293 ms
EOS 650D
269 ms

Shutter lag Delay to take a photo when prefocused

Lumix DMC-G3
80 ms
EOS 650D
74 ms

Startup delay Delay from power on to first photo

Lumix DMC-G3
1,400 ms
EOS 650D
700 ms

Continuous shooting Delay between fully pressing shutter to image capture

Lumix DMC-G3
4 fps
EOS 650D
5 fps

Features Key features of the Lumix DMC-G3  vs EOS 650D 

Megapixels Maximum resolution images are captured at

Lumix DMC-G3
15.8 MP
EOS 650D
17.9 MP

Max ISO Maximum light sensitivity of the sensor

Lumix DMC-G3
6,400 ISO
EOS 650D
25,600 ISO

Focus points How many different points the camera can focus on

Screen size Larger screens make it easier to preview and review photos

Pixel size How much area of the sensor is dedicated to each pixel

Lumix DMC-G3
14.2 microns
EOS 650D
18.5 microns

Reviews Word on the street

Lumix DMC-G3  vs EOS 650D 

7.5
7.7
For users moving up from compact cameras, the 650D offers a very significant increase in image quality and a comfortable to hold camera wrapped in an interface that accommodates both touchscreen and external control operation.
EOS 650D

10.0
9.0
5.6. Now that Micro Four Thirds is more established as a system, there are a wider range of lenses on offer including an ultra-wide-angle and a macro lens.
Lumix DMC-G3

7.7
7.8
The control layout on the back remains essentially unchanged, but Canon tweaked the design on the menu and info buttons for the better; they're slighly easier to feel now.
EOS 650D

Overall

8.5 Out of 10
8.4 Out of 10

Specifications Full list of technical specs

sensor

Lumix DMC-G3  vs
EOS 650D 
Type CMOS CMOS
Megapixels 15.8 MP 17.9 MP
Resolution 4592 x 3448 5184 x 3456
Size Four Thirds APS-C
Area 17.3 x 13 mm 22.3 x 14.9 mm
Crop factor 2.1x 1.6x
Pixel size 14.2 microns 18.5 microns
Light sensitivity 160 ISO to 6,400 ISO 100 ISO to 12,800 ISO
Codecs
RAW
JPEG
Self cleaning sensor Yes Yes
Tested vertical resolution 2,400 LPH 2,600 LPH
Tested horizontal resolution 2,400 LPH 2,600 LPH

focus system

Type Contrast detection Phase detection
Focus points 23 9
Cross type focus points 0 9
Supports continuous No Yes

shutter

Min 60 s 30 s
Max 1/4000 s 1/4000 s

form factor

Size 115 x 84 x 47 mm 133.1 x 99.8 x 78.8 mm
Thickness 47 mm 78.8 mm
Weight 336 g 575 g
Is weather sealed No No

features

Includes a GPS No No
Supports HDR No Yes
Automatic panorama No No
Create realistic 3D images Yes No
Image stabilization

video

Lumix DMC-G3  vs
EOS 650D 
Video 1920 x 1080 @ 30 fps 1920 x 1080 @ 30 fps (MPEG-4)
Shoots video in 24p No Yes
Shoots high speed video No No
External mic jack None 3.5mm
Autofocus while shooting video Contrast detection Contrast detection
Autofocus type Contrast detection Contrast detection
Autofocus supports continuous Yes Yes

display

Type LCD LCD
Size 3" 3"
Resolution 460 k dots 1,040 k dots
Has a touch screen Yes Yes
Has a flip out screen Yes Yes
Supports live view Yes Yes

viewfinder

Viewfinder mirror None Opaque
Viewfinder Yes Yes
Type Electronic Pentamirror

performance

Max continuous shooting 4 fps 5 fps
Battery life 270 440
Continuous shooting
5 fps @ 5184 x 3456, JPEG, 22 shots
5 fps @ 5184 x 3456, RAW, 6 shots
20 fps, JPEG
4 fps, JPEG
3 fps, JPEG
2 fps, JPEG
Focus lag 293 ms 269 ms
Shutter lag 80 ms 74 ms
Startup delay 1,400 ms 700 ms
Panasonic Lumix DMC-G3
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Canon EOS 650D
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