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CF/SD Performance Database - Continued

Canon EOS-1D Mark III Write Speed (Firmware Version 1.1.3)
 This page was last updated on April 16, 2008

The data in the table below was derived by timing how long it took the Canon EOS-1D Mark III to write 20 Large (Quality 8) JPEG and then 20 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. SD/SDHC cards were both secure erased and formatted in the camera: this model's low-level format option performs the equivalent of a secure erase for this memory card type. 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.

 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 III 1GB 
SD 1GB 10.3MB/s 14.8MB/s
PNY Optima PRO 2GB note
SD 2GB 10.8MB/s 14.6MB/s
SanDisk Extreme III 2GB 
SD 2GB 10.4MB/s 14.1MB/s
SanDisk Extreme III 4GB 
SDHC 4GB 10MB/s 13.7MB/s
Lexar Professional 133X 4GB note
SDHC 4GB 10.4MB/s 13.6MB/s
Lexar Professional 133X 2GB 
SD 2GB 10.1MB/s 13.6MB/s
ATP Pro Max 4GB 
SDHC 4GB 9.9MB/s 13.3MB/s
SanDisk Extreme III 8GB 
SDHC 8GB 9.9MB/s 13.2MB/s
SanDisk Extreme Ducati (SD Plus) 4GB note
SDHC 4GB 9.3MB/s 12.5MB/s
Ridata Pro 150X 2GB 
SD 2GB 9MB/s 12.5MB/s
Kingston Ultimate 120X 2GB 
SD 2GB 8.7MB/s 12.2MB/s
Corsair 133X 2GB 
SD 2GB 8.7MB/s 12.2MB/s
Pretec 133X 1GB 
SD 1GB 8.3MB/s 11.5MB/s
SanDisk Extreme Ducati 8GB 
CF I 8GB 8.5MB/s 10.9MB/s
SanDisk Extreme Ducati 4GB 
CF I 4GB 8.3MB/s 10.9MB/s
SanDisk Extreme IV 2GB 
CF I 2GB 8.4MB/s 10.7MB/s
Hoodman PRO 150X-133X 2GB 
CF I 2GB 8.5MB/s 10.6MB/s
ATP Pro Max 1GB 
CF I 1GB 8.6MB/s 10.6MB/s
Kingston Ultimate 133X 1GB 
SD 1GB 7.4MB/s 10.6MB/s
SanDisk Extreme III 1GB 
CF I 1GB 7.4MB/s 10.6MB/s
Ridata Pro 150X 2GB 
CF I 2GB 8.3MB/s 10.5MB/s
Kingston Ultimate 133X 2GB 
CF I 2GB 8MB/s 10.5MB/s
SanDisk Extreme IV 4GB 
CF I 4GB 7.5MB/s 10.5MB/s
Lexar Professional 133X 2GB 
CF I 2GB 8.1MB/s 10.4MB/s
Panasonic Pro High Speed 1GB 
SD 1GB 7.8MB/s 10.3MB/s
SanDisk Extreme IV 8GB 
CF I 8GB 6.9MB/s 10.1MB/s
Hoodman PRO 150X-133X 4GB 
CF I 4GB 7.4MB/s 10MB/s
SanDisk Extreme III 2GB 
CF I 2GB 7MB/s 10MB/s
Lexar Professional 133X 4GB 
CF I 4GB 7.4MB/s 10MB/s
PNY Opt. PRO UDMA (2007) 2GB 
CF I 2GB 7.2MB/s 9.9MB/s
Transcend 266X 2GB 
CF I 2GB 7MB/s 9.9MB/s
SanDisk Extreme III 30MB/s Edition 8GB note
CF I 8GB 7.5MB/s 9.9MB/s
Lexar Professional 300X 4GB 
CF I 4GB 7.2MB/s 9.8MB/s
Lexar Professional 300X 8GB 
CF I 8GB 7MB/s 9.8MB/s
SanDisk Extreme III 30MB/s Edition 4GB note
CF I 4GB 7.2MB/s 9.7MB/s
Transcend Class 6 4GB 
SDHC 4GB 7.6MB/s 9.7MB/s
SanDisk Extreme III 30MB/s Edition 16GB note
CF I 16GB 7.2MB/s 9.5MB/s
Transcend 266X 8GB 
CF I 8GB 6.2MB/s 9.5MB/s
SanDisk Extreme III 4GB note
CF I 4GB 6.4MB/s 9.4MB/s
PNY Opt. PRO UDMA (2007) 8GB 
CF I 8GB 6.5MB/s 9.4MB/s
Delkin PRO 305X 4GB 
CF I 4GB 6.6MB/s 9.4MB/s
SanDisk Extreme III 8GB 
CF I 8GB 6.6MB/s 9.4MB/s
Shikatronics Turbo 2GB 
SD 2GB 6.5MB/s 9.2MB/s
Maxell Extra High Speed 2GB 
SD 2GB 7.2MB/s 8.9MB/s
Transcend Class 6 8GB 
SDHC 8GB 7.2MB/s 8.9MB/s
Delkin PRO 8GB 
SDHC 8GB 7.3MB/s 8.9MB/s
Transcend 80X 1GB 
SD 1GB 7.4MB/s 8.8MB/s
A-Data Turbo 150X 2GB 
SD 2GB 6.2MB/s 8.8MB/s
Ridata Pro 150X 8GB 
CF I 8GB 6.4MB/s 8.7MB/s
Hoodman RAW 280X 2GB 
CF I 2GB 6.4MB/s 8.7MB/s
Delkin PRO 305X 16GB 
CF I 16GB 6.9MB/s 8.6MB/s
Maxell standard 2GB 
CF I 2GB 6.7MB/s 8.6MB/s
Hoodman RAW 280X 4GB 
CF I 4GB 6.3MB/s 8.5MB/s
Transcend 150X 4GB note
SD 4GB 6MB/s 8.5MB/s
Hoodman RAW 280X 8GB 
CF I 8GB 6.2MB/s 8.5MB/s
Delkin PRO 2GB 
SD 2GB 7MB/s 8.5MB/s
ATP Pro Max II 300X 8GB 
CF I 8GB 5.9MB/s 8.5MB/s
ATP 150X Class 6 16GB note
SDHC 16GB 6.7MB/s 8.2MB/s
Lexar Professional 133X 8GB 
CF I 8GB 4.5MB/s 8.1MB/s
Transcend 120X 4GB 
CF I 4GB 6.1MB/s 8.1MB/s
SanDisk Ultra II (SD Plus) 2GB note
SD 2GB 6.6MB/s 8.1MB/s
SanDisk Ultra II 2GB 
CF I 2GB 6.8MB/s 8.1MB/s
SanDisk Ultra II 2GB 
SD 2GB 6.2MB/s 8MB/s
SanDisk Extreme III 12GB 
CF I 12GB 4.6MB/s 8MB/s
Lexar Professional 60X 1GB 
SD 1GB 6.7MB/s 8MB/s
Transcend Class 6 16GB 
SDHC 16GB 6.8MB/s 7.9MB/s
Lexar Platinum 40X 1GB 
SD 1GB 6.7MB/s 7.8MB/s
SanDisk Extreme 2GB 
CF I 2GB 6.8MB/s 7.8MB/s
SanDisk Extreme III 16GB 
CF I 16GB 4.5MB/s 7.8MB/s
ATP Pro Max 4GB 
CF I 4GB 5.3MB/s 7.8MB/s
Kingston Ultimate 133X 8GB 
CF I 8GB 4.5MB/s 7.7MB/s
Lexar Prof. 80X (3rd ed.) 1GB note
CF I 1GB 6.5MB/s 7.7MB/s
Lexar Prof. 80X (3rd ed.) 2GB note
CF I 2GB 6.4MB/s 7.7MB/s
SanDisk Ultra II 4GB 
CF I 4GB 6.1MB/s 7.6MB/s
SanDisk Extreme 1GB 
CF I 1GB 6.1MB/s 7.5MB/s
ATP standard 2GB 
SD 2GB 6.4MB/s 7.5MB/s
ATP Pro Max 2GB 
SD 2GB 6.3MB/s 7.5MB/s
Lexar Prof. 80X (3rd ed.) 4GB note
CF I 4GB 6MB/s 7.4MB/s
Lexar Prof. 80X (1st ed.) 1GB note
CF I 1GB 5.6MB/s 7.3MB/s
Transcend 133X 32GB 
CF I 32GB 4.8MB/s 7.1MB/s
Lexar High-Speed 40X 1GB 
CF I 1GB 5.5MB/s 7MB/s
SanDisk Ultra II 4GB 
SDHC 4GB 3.7MB/s 6.2MB/s
Delkin PRO 4GB 
SDHC 4GB 5.2MB/s 6.1MB/s
Transcend 133X 16GB 
CF I 16GB 4.3MB/s 5.8MB/s
SanDisk Ultra II 8GB 
CF I 8GB 3.5MB/s 5.8MB/s
Hitachi Microdrive 6GB 
CF II 6GB 4.6MB/s 5.7MB/s
Ridata Lightning 233X 16GB 
CF I 16GB 3.9MB/s 5.7MB/s
PNY standard 8GB 
SDHC 8GB 4MB/s 5MB/s
ATP standard 1GB 
CF I 1GB 4.3MB/s 4.9MB/s
Kingston Elite Pro 2GB 
CF I 2GB 4.1MB/s 4.9MB/s
Delkin PRO 1GB 
CF I 1GB 4.1MB/s 4.8MB/s
Pretec 80X 2GB 
CF I 2GB 4.1MB/s 4.8MB/s
SanDisk standard 2GB note
CF I 2GB 4.1MB/s 4.8MB/s
Delkin PRO 2GB 
CF I 2GB 4MB/s 4.8MB/s
Corsair 80X 1GB 
CF I 1GB 4.1MB/s 4.7MB/s
Kingston Ultimate 100X 4GB 
CF I 4GB 4MB/s 4.7MB/s
Transcend 80X 1GB 
CF I 1GB 4.2MB/s 4.7MB/s
Ridata 80X PRO II 2GB 
CF I 2GB 4MB/s 4.7MB/s
Kingston Elite Pro 1GB 
CF I 1GB 4MB/s 4.6MB/s
Hagiwara Zpro 2GB 
CF I 2GB 3.9MB/s 4.6MB/s
Hitachi Microdrive 4GB note
CF II 4GB 3.8MB/s 4.6MB/s
Seagate Photo Hard Drive 8GB 
CF II 8GB 3.2MB/s 4.5MB/s
Transcend 45X 1GB 
CF I 1GB 3.7MB/s 4.4MB/s
Ridata PRO 52X 2GB 
CF I 2GB 3.6MB/s 4.4MB/s
PNY Optima 80X 1GB 
CF I 1GB 3.6MB/s 4.3MB/s
Shikatronics TurboF1 100X 2GB 
CF I 2GB 3.7MB/s 4.2MB/s
Kingston Ultimate 100X 2GB 
CF I 2GB 3.6MB/s 4.2MB/s
TwinMOS Ultra-X 140X 2GB 
CF I 2GB 3.6MB/s 4.1MB/s
Calumet ProSpec 110X 2GB 
CF I 2GB 3.2MB/s 3.9MB/s
Hama standard 2GB 
SD 2GB 3.3MB/s 3.6MB/s
Hama standard 2GB 
CF I 2GB 3MB/s 3.6MB/s
Delkin PRO 8GB 
CF I 8GB 3.1MB/s 3.4MB/s
SanDisk standard 4GB 
CF I 4GB 2MB/s 3.3MB/s
Transcend Class 2 8GB 
SDHC 8GB 2.5MB/s 3.3MB/s
SanDisk standard 1GB 
SD 1GB 2.6MB/s 2.8MB/s
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