Canon EOS 5DS R vs Canon EOS Rebel XTi

This is a full comparison between the cameras Canon EOS 5DS R and Canon EOS Rebel XTi. We compare them by looking at the categories you see below.

Manufacturing

These cameras are both manufactured by Canon.

Canon EOS 5DS R were released 2015 and Canon EOS Rebel XTi was released 2006. That is a 9 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Canon EOS 5DS R 2015
Canon EOS Rebel XTi 2006

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Canon EOS 5DS R has a "Canon Full Frame"-sensor while Canon EOS Rebel XTi has a "Canon 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 **
Canon EOS 5DS R 50 mm
Full-frame sensor
No crop factor/focal length multiplier
Canon EOS Rebel XTi 80 mm
Canon APS-C sensor
Crop factor/focal length multiplier by * 1.6

** 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 (Canon)

Resolution

Canon EOS 5DS R has a 51 MP (Megapixels) resolution while Canon EOS Rebel XTi has 10,1 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Canon EOS 5DS R 51 MP
50320896 pixels
8688 x 5792
Canon EOS Rebel XTi 10,1 MP
10077696 pixels
3888 x 2592

Canon EOS 5DS R has a 399 % larger resolution than Canon EOS Rebel XTi. 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

Canon EOS 5DS R has a larger ISO-range than Canon EOS Rebel XTi. Canon EOS 5DS R has an ISO range that stretches from 100 to 6400 while Canon EOS Rebel XTi has 100 to 1600.

Camera ISO Range
Canon EOS 5DS R 100-6400
Canon EOS Rebel XTi 100-1600

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 Canon EOS 5DS R
Lens compatibility chart for Canon EOS Rebel XTi

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Canon EOS 5DS R can shoot up to 5 pictures per seconds and Canon EOS Rebel XTi can shoot up to 3 pictures per seconds.

Camera FPS (Frames per second)
Canon EOS 5DS R 5
Canon EOS Rebel XTi 3

Ability to record movies

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

When comparing these two cameras there is only one of them that can shoot movies and that is Canon EOS 5DS R. Unfortunately Canon EOS Rebel XTi does not support recording movies and movie clips.

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.

Canon EOS 5DS R weighs 930 gr (equal to 2.05 lb) which is 67% heavier than Canon EOS Rebel XTi and its 556 gr (or 1.23 lb).

Camera Weight
Canon EOS 5DS R 930 gr
2.05 lb
Canon EOS Rebel XTi 556 gr
1.23 lb

Canon EOS 5DS R vs Canon EOS Rebel XTi Specs

Below you will find the complete and detailed technical specs for both Canon EOS 5DS R and Canon EOS Rebel XTi, 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
Canon EOS 5DS R
Canon EOS Rebel XTi
Name Canon EOS 5DS R Canon EOS Rebel XTi
Manufacturer Canon Canon
Release Date and Price
Canon EOS 5DS R
Canon EOS Rebel XTi
Release Year 2015 2006
Release Date 2015-02-06 2006-08-24
MSRP 4249 USD 799 USD
Buy it today
Camera Type
Canon EOS 5DS R
Canon EOS Rebel XTi
Camera Type DSLR DSLR
Sensor
Canon EOS 5DS R
Canon EOS Rebel XTi
Sensor Size Full Frame (approx 36 x 24 mm) APS-C (approx 22.3 x 14.9 mm)
Sensor Type CMOS CMOS
Resolution 8688 x 5792 pixels 3888 x 2592 pixels
Megapixels 51 MP 10,1 MP
Image Processor DUAL DIGIC 6 DIGIC 2
Image
Canon EOS 5DS R
Canon EOS Rebel XTi
ISO Range 100 - 6400 100 - 1600
White Balance Presets 8 6
Custom White Balance Yes Yes
Image Stabilization No No
Image Stabilization CIPA Rating 0 stops 0 stops
Uncompressed format RAW RAW
Optics & Focus
Canon EOS 5DS R
Canon EOS Rebel XTi
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Face Detection
LiveView
Phase Detect
Multi Area
Selective Single Point
Single
Continuous
Focus Points 61 9
Lens Mount Canon EF

See Compatible Lenses
Canon EF
Canon EF-S

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
1.6x multiplier
Example:
24 mm becomes 38 mm
50 mm becomes 80 mm
100 mm becomes 160 mm
200 mm becomes 320 mm
Screen & Viewfinder
Canon EOS 5DS R
Canon EOS Rebel XTi
Articulated LCD Fixed Fixed
Screen size 3.2” 2.5”
Screen dots 1040000 230000
Touch screen No No
Screen type ClearView II TFT-LCD TFT LCD
Live view Yes No
Viewfinder Type Optical (pentaprism) Optical (pentamirror)
Viewfinder Coverage 100% 95%
Viewfinder Magnification 0.71× 0.8× (0.5× 35mm equiv.)
Viewfinder Resolution N/A N/A
Photography features
Canon EOS 5DS R
Canon EOS Rebel XTi
Frames per second 5 fps 3 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 12 meters
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse Yes Yes
Metering modes Multi
Center Weighted
Spot
Partial
Multi
Center Weighted
Partial
Exposure Compensation +/- 5 (at 1/3 EV, 1/2 EV steps) +/- 2 (at 1/3 EV, 1/2 EV steps)
Videography features
Canon EOS 5DS R
Canon EOS Rebel XTi
Video recording Yes No
Video format H.264
N/A
Video resolution 1280 x 720
1920 x 1080
N/A
Built-in Microphone Yes No
Built-in Speakers Yes No
Storage
Canon EOS 5DS R
Canon EOS Rebel XTi
Memory Card Compact Flash
SD/SDHC
Compact Flash
Connectivity
Canon EOS 5DS R
Canon EOS Rebel XTi
HDMI Output Yes No
Microphone Port Yes No
Headphone Port No No
Wireless No No
Remote Control Yes (Wired and wireless) Yes (E3 connector, InfraRed)
GPS No No
Body & Dimensions
Canon EOS 5DS R
Canon EOS Rebel XTi
Enviromentally sealed Yes No
Battery Battery Pack Battery Pack
Battery Details LP-E6 lithium-ion battery & charger
Battery Pack NB-2LH
Battery Life (CIPA) 700 shots 360 shots
Width 152 mm 127 mm
Height 116 mm 94 mm
Depth 76 mm 65 mm
Weight 930 gram 556 gram