Sony a7R vs Sony a3000

This is a full comparison between the cameras Sony a7R and Sony a3000. We compare them by looking at the categories you see below.

Manufacturing

These cameras are both manufactured by Sony.

These two camera models were both released 2013.

Camera Released
Sony a7R 2013
Sony a3000 2013

Type of camera

Both these cameras are Mirrorless cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Sony a7R has a "Sony Full Frame"-sensor while Sony a3000 has a "Sony APS-C"-sensor, and their difference in sensors will also affect the crop factor and experience focal length. See the table below.

Camera Focal length, 50mm f/1.8 **
Sony a7R 50 mm
Full-frame sensor
No crop factor/focal length multiplier
Sony a3000 75 mm
Sony APS-C sensor
Crop factor/focal length multiplier by * 1.5

** Experienced focal length when using a lens such as a common "50mm f/1.8"

Learn more about crop factor and focal length multiplier here:
Camera selection can affect the focal length (Sony)

Resolution

Sony a7R has a 36 MP (Megapixels) resolution while Sony a3000 has 20 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Sony a7R 36 MP
36152320 pixels
7360 x 4912
Sony a3000 20 MP
19816192 pixels
5456 x 3632

Sony a7R has a 82 % larger resolution than Sony a3000. This could give you more details in the picture but also a possibility to crop more in the pictures, afterward while editing the pictures, if needed that is.

ISO range

Sony a7R has a larger ISO-range than Sony a3000. Sony a7R has an ISO range that stretches from 100 to 25600 while Sony a3000 has 100 to 16000.

Camera ISO Range
Sony a7R 100-25600
Sony a3000 100-16000

Autofocus and lens compatibility

Both of these cameras have a built-in autofocus motor. Some lenses, that support autofocus, do not have an autofocus motor of their own but this won't cause any problems with these two cameras.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Sony a7R
Lens compatibility chart for Sony a3000

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony a7R can shoot up to 4 pictures per seconds and Sony a3000 can shoot up to 2,5 pictures per seconds.

Camera FPS (Frames per second)
Sony a7R 4
Sony a3000 2,5

Ability to record movies

It is becoming more and more popular to record movies with digital cameras.

In this case, both Sony a7R and Sony a3000 can shoot movies.

Weight

The weight of the camera can be an extremely important factor, especially if the camera is about to be used, or carried around, for several hours at a time.

Sony a7R weighs 465 gr (equal to 1.03 lb) which is 13% heavier than Sony a3000 and its 411 gr (or 0.91 lb).

Camera Weight
Sony a7R 465 gr
1.03 lb
Sony a3000 411 gr
0.91 lb

Sony a7R vs Sony a3000 Specs

Below you will find the complete and detailed technical specs for both Sony a7R and Sony a3000, next to each other. Each category of data is a link to an article covering the subject, giving you a deeper understanding so you can better understand the strengths and weaknesses of the two camera models.

Product
Sony a7R
Sony a3000
Name Sony a7R Sony a3000
Manufacturer Sony Sony
Release Date and Price
Sony a7R
Sony a3000
Release Year 2013 2013
Release Date 2013-10-16 2013-08-27
MSRP 2299 USD 399 USD
Buy it today
Camera Type
Sony a7R
Sony a3000
Camera Type Mirrorless Mirrorless
Sensor
Sony a7R
Sony a3000
Sensor Size Full Frame (approx 36 x 24 mm) APS-C (approx 23.5 x 15.6 mm)
Sensor Type CMOS CMOS
Resolution 7360 x 4912 pixels 5456 x 3632 pixels
Megapixels 36 MP 20 MP
Image Processor Bionz X Bionz
Image
Sony a7R
Sony a3000
ISO Range 100 - 25600 100 - 16000
White Balance Presets 10 9
Custom White Balance Yes Yes
Image Stabilization No Yes
(Optical Steady Shot)
Image Stabilization CIPA Rating 0 stops 0 stops
Uncompressed format RAW RAW
Optics & Focus
Sony a7R
Sony a3000
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
Multi Area
Center
Selective Single Point
Single
Continuous
Face Detection
LiveView
Contract Detect (sensor)
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Face Detection
LiveView
Focus Points 25 25
Lens Mount Sony E

See Compatible Lenses
Sony E

See Compatible Lenses
Focal Length Multiplier Full frame
No multiplier
Example:
24 mm remains 24 mm
50 mm remains 50 mm
100 mm remains 100 mm
200 mm remains 200 mm
APS-C Sensor (1.5x)
1.5x multiplier
Example:
24 mm becomes 36 mm
50 mm becomes 75 mm
100 mm becomes 150 mm
200 mm becomes 300 mm
Screen & Viewfinder
Sony a7R
Sony a3000
Articulated LCD Tilting Fixed
Screen size 3” 3”
Screen dots 1230000 230400
Touch screen No No
Screen type Xtra Fine LCD TFT LCD
Live view Yes Yes
Viewfinder Type Electronic Electronic
Viewfinder Coverage 100% 100%
Viewfinder Magnification 0.71x 0.7× (0.47× 35mm equiv.)
Viewfinder Resolution N/A N/A
Photography features
Sony a7R
Sony a3000
Frames per second 4 fps 2,5 fps
Minimum Shutter Speed 30 seconds 30 seconds
Maximum Shutter Speed 1/8000 seconds 1/4000 seconds
Built-in Flash No Yes
Built-in Flash Range N/A 6 meters
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse No No
Metering modes Multi
Center Weighted
Spot
Multi
Center Weighted
Spot
Exposure Compensation +/- 5 (at 1/3 EV, 1/2 EV steps) +/- 3 (at 1/3 EV steps)
Videography features
Sony a7R
Sony a3000
Video recording Yes Yes
Video format MPEG4
AVCHD
H.264
AVCHD
Video resolution 1440 x 1080
1920 x 1080
Built-in Microphone Yes Yes
Built-in Speakers Yes Yes
Storage
Sony a7R
Sony a3000
Memory Card Memory Stick Pro Duo
SD/SDHC
Memory Stick Pro Duo
SD/SDHC
Connectivity
Sony a7R
Sony a3000
HDMI Output Yes Yes
Microphone Port Yes No
Headphone Port Yes No
Wireless Yes
Built-in (with NFC and wireless control via PlayMemories Mobile app)
No
Remote Control Yes (Wired) Yes (via optional RM-VPR1)
GPS No No
Body & Dimensions
Sony a7R
Sony a3000
Enviromentally sealed Yes No
Battery Battery Pack Battery Pack
Battery Details NP-FW50 lithium-ion battery and charger
NP-FW50
Battery Life (CIPA) 340 shots 470 shots
Width 127 mm 128 mm
Height 94 mm 91 mm
Depth 48 mm 85 mm
Weight 465 gram 411 gram