Rob Galbraith DPI: Canon EOS 50D

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CF/SD Performance Database - Continued

Canon EOS 50D Write Speed (Firmware Version 1.0.3)
This page was last updated on December 5, 2008

The data in the table below was derived by timing how long it took the Canon EOS 50D to write 20 Large Fine JPEG and then 15 RAW .CR2 photos to the memory card. Timing commenced when the camera's card status light illuminated, and stopped when the light went out. Each test cycle was performed 3 times (if the card's capacity allowed for that) to ensure accurate results.

Prior to both JPEG and RAW testing, all CompactFlash cards were first secure erased on a computer, then formatted in the camera. The same test scene was photographed, under the same illumination, for all tests. The identical camera settings and lens were also used for all tests.

Note: It's a quirk of the 50D that after secure erasing, some older Lexar cards must first be formatted in the computer before they can then be formatted and used in the camera.

Interpreting the results The data can be sorted by manufacturer, card type, rated capacity and file format, in both ascending and descending order, by clicking on the appropriate column header. When sorting by JPEG or RAW, the fastest 10% for that format are highlighted in blue. You can view extra information for a card by clicking the icon to the left of the card's name, or for all cards at once by clicking Show Extra Info in the Memory Card header field. Note that MB/sec refers to megabytes per second, and that all calculations are based on 1 megabyte = 1,048,576 bytes.

Memory Card

Show Extra Info

Card Type

Rated Cap.

JPEG

RAW

SanDisk Extreme Ducati 8GB

CF I

8GB

24.6MB/s

33.7MB/s

SanDisk Extreme Ducati 4GB

CF I

4GB

24.6MB/s

33.4MB/s

SanDisk Extreme IV 45MB/s Edition 16GB note

CF I

16GB

23.6MB/s

31.6MB/s

Lexar Professional 300X 16GB

CF I

16GB

22.2MB/s

31.5MB/s

Transcend UDMA 300X 16GB

CF I

16GB

21.7MB/s

31MB/s

Lexar Professional 300X 8GB

CF I

8GB

20.1MB/s

30.8MB/s

A-Data Turbo 350X 16GB

CF I

16GB

22.9MB/s

30.7MB/s

SanDisk Extreme IV 8GB

CF I

8GB

22.5MB/s

30.5MB/s

SanDisk Extreme IV 2GB

CF I

2GB

22.5MB/s

30.4MB/s

SanDisk Extreme IV 45MB/s Edition 8GB note

CF I

8GB

23MB/s

30.3MB/s

SanDisk Extreme IV 4GB

CF I

4GB

22.4MB/s

30MB/s

Lexar Professional 300X 4GB

CF I

4GB

18.4MB/s

30MB/s

Dane-Elec 300Xs UDMA 8GB

CF I

8GB

20.3MB/s

29.9MB/s

PNY Optima PRO UDMA 266X 8GB

CF I

8GB

20.4MB/s

29.8MB/s

PNY Optima PRO UDMA 266X 4GB

CF I

4GB

20MB/s

28.9MB/s

Transcend UDMA 300X 8GB

CF I

8GB

19.8MB/s

28.7MB/s

Transcend UDMA 300X 4GB

CF I

4GB

19.5MB/s

28.7MB/s

PNY Opt. PRO UDMA (2007) 8GB

CF I

8GB

18.5MB/s

27.5MB/s

PNY Opt. PRO UDMA (2007) 2GB

CF I

2GB

18.3MB/s

27MB/s

SanDisk Extreme III 30MB/s Edition 16GB note

CF I

16GB

18.4MB/s

23.4MB/s

SanDisk Extreme III 30MB/s Edition 8GB note

CF I

8GB

18.4MB/s

23.1MB/s

SanDisk Extreme III 30MB/s Edition 4GB note

CF I

4GB

18.3MB/s

22.8MB/s

SanDisk Extreme III 30MB/s Edition 32GB

CF I

32GB

17.5MB/s

21.6MB/s

Hoodman PRO 150X-133X 2GB

CF I

2GB

14.4MB/s

16.5MB/s

Ridata Pro 150X 2GB

CF I

2GB

14.3MB/s

16.4MB/s

ATP Pro Max 1GB

CF I

1GB

13.9MB/s

16.4MB/s

Kingston Ultimate 133X 2GB

CF I

2GB

14.3MB/s

16.3MB/s

Hoodman PRO 150X-133X 4GB

CF I

4GB

13.4MB/s

16.1MB/s

SanDisk Extreme III 1GB

CF I

1GB

12.7MB/s

15.9MB/s

SanDisk Extreme III 2GB

CF I

2GB

12.4MB/s

15.5MB/s

SanDisk Extreme III 8GB

CF I

8GB

12.2MB/s

15.4MB/s

SanDisk Extreme III 4GB note

CF I

4GB

12.2MB/s

15.4MB/s

Kingston Ultimate 266X 8GB

CF I

8GB

12MB/s

15.4MB/s

Kingston Ultimate 266X 2GB

CF I

2GB

12MB/s

15.3MB/s

Kingston Ultimate 266X 4GB

CF I

4GB

11.7MB/s

15.1MB/s

Lexar Professional 133X 4GB

CF I

4GB

12.8MB/s

14.9MB/s

Lexar Professional 133X 8GB

CF I

8GB

10.6MB/s

14.7MB/s

SanDisk Extreme III 12GB

CF I

12GB

12.2MB/s

14.7MB/s

Kingston Ultimate 133X 8GB

CF I

8GB

10.4MB/s

14.7MB/s

Delkin PRO 305X 16GB

CF I

16GB

12.4MB/s

14.6MB/s

Delkin PRO 305X 4GB

CF I

4GB

10.9MB/s

14.6MB/s

SanDisk Extreme III 16GB

CF I

16GB

11.9MB/s

14.5MB/s

Transcend 266X 8GB

CF I

8GB

11.8MB/s

14.4MB/s

Transcend 266X 2GB

CF I

2GB

11.7MB/s

14.3MB/s

Hoodman RAW 280X 2GB

CF I

2GB

10.3MB/s

13MB/s

Hoodman RAW 280X 4GB

CF I

4GB

10.3MB/s

13MB/s

Hoodman RAW 280X 8GB

CF I

8GB

10.4MB/s

13MB/s

Maxell standard 2GB

CF I

2GB

11.2MB/s

12.9MB/s

ATP Pro Max II 300X 8GB

CF I

8GB

10.1MB/s

12.8MB/s

Ridata Pro 150X 8GB

CF I

8GB

10.8MB/s

12.5MB/s

Transcend 120X 4GB

CF I

4GB

10.3MB/s

12MB/s

Transcend 133X 32GB

CF I

32GB

9.9MB/s

11.2MB/s

Lexar Prof. 80X (3rd ed.) 1GB note

CF I

1GB

9.1MB/s

10.1MB/s

Lexar Prof. 80X (3rd ed.) 2GB note

CF I

2GB

9.1MB/s

10.1MB/s

SanDisk Ultra II 4GB

CF I

4GB

9.1MB/s

10MB/s

SanDisk Ultra II 2GB

CF I

2GB

8.9MB/s

10MB/s

Lexar Prof. 80X (3rd ed.) 4GB note

CF I

4GB

9MB/s

9.9MB/s

ATP Pro Max 4GB

CF I

4GB

8.7MB/s

9.9MB/s

Kingston Elite Pro 16GB

CF I

16GB

6.2MB/s

9.6MB/s

SanDisk Extreme 2GB

CF I

2GB

8.5MB/s

9.4MB/s

Transcend 133X 16GB

CF I

16GB

6.8MB/s

9.3MB/s

Ridata Lightning 233X 16GB

CF I

16GB

7.3MB/s

9.3MB/s

Lexar Prof. 80X (1st ed.) 1GB note

CF I

1GB

7.7MB/s

9MB/s

SanDisk Ultra II 8GB

CF I

8GB

6.6MB/s

8.6MB/s

SanDisk Extreme 1GB

CF I

1GB

8.1MB/s

8.5MB/s

Lexar High-Speed 40X 1GB

CF I

1GB

7.3MB/s

8.5MB/s

Hitachi Microdrive 6GB

CF II

6GB

5MB/s

6.4MB/s

Lexar Professional 133X 2GB

CF I

2GB

5.9MB/s

6.2MB/s

Delkin PRO 1GB

CF I

1GB

5.4MB/s

5.8MB/s

Kingston Elite Pro 2GB

CF I

2GB

5.5MB/s

5.8MB/s

ATP standard 1GB

CF I

1GB

5.5MB/s

5.8MB/s

Kingston Ultimate 100X 4GB

CF I

4GB

5.3MB/s

5.8MB/s

Delkin PRO 2GB

CF I

2GB

5.3MB/s

5.8MB/s

Transcend 80X 1GB

CF I

1GB

5.2MB/s

5.6MB/s

Kingston Elite Pro 1GB

CF I

1GB

5.2MB/s

5.6MB/s

Ridata 80X PRO II 2GB

CF I

2GB

5.2MB/s

5.6MB/s

Pretec 80X 2GB

CF I

2GB

5.2MB/s

5.6MB/s

Corsair 80X 1GB

CF I

1GB

5.2MB/s

5.5MB/s

Hagiwara Zpro 2GB

CF I

2GB

5.1MB/s

5.5MB/s

Seagate Photo Hard Drive 8GB

CF II

8GB

3.9MB/s

5.3MB/s

SanDisk standard 2GB note

CF I

2GB

4.9MB/s

5.3MB/s

Transcend 45X 1GB

CF I

1GB

4.9MB/s

5.3MB/s

Ridata PRO 52X 2GB

CF I

2GB

4.9MB/s

5.2MB/s

PNY Optima 80X 1GB

CF I

1GB

4.5MB/s

5.1MB/s

Shikatronics TurboF1 100X 2GB

CF I

2GB

4.7MB/s

5MB/s

Kingston Ultimate 100X 2GB

CF I

2GB

4.6MB/s

4.9MB/s

TwinMOS Ultra-X 140X 2GB

CF I

2GB

4.6MB/s

4.9MB/s

Hitachi Microdrive 4GB note

CF II

4GB

4MB/s

4.8MB/s

Calumet ProSpec 110X 2GB

CF I

2GB

4.2MB/s

4.4MB/s

SanDisk standard 4GB

CF I

4GB

3.4MB/s

4.1MB/s

Hama standard 2GB

CF I

2GB

3.9MB/s

4MB/s

Delkin PRO 8GB

CF I

8GB

3.8MB/s

4MB/s


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