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CF/SD/XQD Performance Database - Continued

Canon EOS 7D write speed (firmware version 1.2.5)
This page was last updated on April 10, 2012

7d.jpg

The data in the table below was derived by timing how long it took the Canon EOS 7D to write 24 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 three times (if the card's capacity allowed for that) to ensure accurate results. The data has been converted to megabytes-per-second (MB/s). Higher numbers are better.

The figure in the Burst column represents how many CR2 + JPEG pictures the camera was able to take in 30 seconds. Higher numbers are better, and a relatively small difference in the number of frames captured translates to a noticeable difference in how much faster one card feels than another, when shooting frequent extended bursts.

Prior to both JPEG and RAW CR2 testing, all CompactFlash cards were first secure erased on a computer, then formatted in the camera. This camera has also been tested with a handful of SD/SDHC cards inside an adapter. These cards were cleared for testing using the low level format option of an EOS Rebel T3i/600D. The same scene was photographed, under the same illumination, for all tests. The identical camera settings and lens were also used throughout.
 
The EOS 7D has one CompactFlash Type I/II card slot.

Interpreting the results The data can be sorted by manufacturer, card type, rated capacity, file format and 30-second burst, 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. All calculations are based on 1 megabyte = 1,048,576 bytes. The word Error in a results field means the card was not able to complete the test and is most likely incompatible with the camera.

Memory Card  Show Extra Info
Card Size JPEG RAW Burst
Lexar Professional 1000X 32GB 
CF I 32GB 45.3MB/s 57.5MB/s 64
Lexar Professional 1000X 64GB 
CF I 64GB 44.2MB/s 56.8MB/s 64
Lexar Professional 1000X 128GB 
CF I 128GB 44MB/s 56MB/s 64
Lexar Professional 1000X 16GB 
CF I 16GB 43.2MB/s 54.7MB/s 62
Lexar Professional 600X 32GB 
CF I 32GB 41.9MB/s 52.3MB/s 62
Lexar Professional 600X 16GB 
CF I 16GB 41.1MB/s 51.9MB/s 62
PhotoFast 533X Plus 16GB 
CF I 16GB 41MB/s 51.5MB/s 62
PhotoFast 533X Plus 8GB note
CF I 8GB 42.4MB/s 51.2MB/s 62
Duracell Pro Photo 600X 8GB 
CF I 8GB 39.5MB/s 51MB/s 62
Lexar Professional 600X 8GB 
CF I 8GB 39.9MB/s 50.6MB/s 62
Delkin CombatFlash 625X 16GB 
CF I 16GB 40.1MB/s 50.2MB/s 60
Ridata Lightning 600X 16GB 
CF I 16GB 41.1MB/s 49.9MB/s 58
Hoodman RAW 675X 8GB 
CF I 8GB 37.9MB/s 48.2MB/s 54
Transcend 600X 8GB 
CF I 8GB 35.6MB/s 48.2MB/s 54
Delkin CombatFlash 685X 16GB 
CF I 16GB 38.6MB/s 47.9MB/s 56
SanDisk Extreme Pro 16GB 
CF I 16GB 37.8MB/s 45.7MB/s 54
PhotoFast 533X Plus 32GB note
CF I 32GB 36.8MB/s 45.5MB/s 54
SanDisk Extreme Pro 32GB 
CF I 32GB 37.8MB/s 45.5MB/s 54
SanDisk Extreme Pro 64GB 
CF I 64GB 37.6MB/s 45.1MB/s 54
SanDisk Extreme Pro 128GB 
CF I 128GB 38MB/s 45MB/s 54
Transcend 600X 16GB 
CF I 16GB 36.8MB/s 44.2MB/s 51
SanDisk Extreme 60MB/s 8GB 
CF I 8GB 35.1MB/s 41.7MB/s 50
SanDisk Extreme 60MB/s 16GB 
CF I 16GB 34.6MB/s 40.2MB/s 48
SanDisk Extreme 60MB/s 32GB 
CF I 32GB 34.4MB/s 40.1MB/s 48
Lexar Professional 400X 16GB 
CF I 16GB 32.7MB/s 38.1MB/s 46
Lexar Professional 400X 8GB 
CF I 8GB 32.8MB/s 38MB/s 46
Hoodman RAW 300X (500,000 cycle) 8GB note
CF I 8GB 32.4MB/s 37.4MB/s 48
Hoodman RAW 300X (500,000 cycle) 16GB note
CF I 16GB 31.9MB/s 36MB/s 46
PhotoFast 533X 32GB 
CF I 32GB 31.1MB/s 35.9MB/s 46
SanDisk Extreme Ducati 4GB 
CF I 4GB 31.4MB/s 35.7MB/s 44
SanDisk Extreme Ducati 8GB 
CF I 8GB 31.4MB/s 35.6MB/s 44
Transcend 400X 16GB 
CF I 16GB 30.4MB/s 35.2MB/s 42
Lexar Professional 300X 32GB 
CF I 32GB 30.8MB/s 35MB/s 42
Lexar Professional 300X 16GB 
CF I 16GB 30MB/s 34.7MB/s 42
SanDisk Extreme IV 45MB/s Edition 4GB note
CF I 4GB 31.4MB/s 34.6MB/s 42
Transcend UDMA 300X 16GB 
CF I 16GB 31MB/s 34.5MB/s 42
PhotoFast 533X 64GB 
CF I 64GB 31.1MB/s 34.5MB/s 42
SanDisk Extreme IV 45MB/s Edition 16GB note
CF I 16GB 30.8MB/s 34.2MB/s 42
Pretec 333X 16GB 
CF I 16GB 29.3MB/s 33.1MB/s 40
SanDisk Extreme IV 45MB/s Edition 8GB note
CF I 8GB 29.1MB/s 32.9MB/s 40
A-Data Turbo 350X 16GB 
CF I 16GB 29.8MB/s 32.7MB/s 38
Lexar Professional 300X 8GB 
CF I 8GB 27MB/s 32.4MB/s 38
Lexar Professional 300X 4GB 
CF I 4GB 27.6MB/s 32.3MB/s 38
SanDisk Extreme IV 2GB 
CF I 2GB 29.5MB/s 32.1MB/s 38
SanDisk Extreme IV 4GB 
CF I 4GB 29.5MB/s 32.1MB/s 38
SanDisk Extreme IV 8GB 
CF I 8GB 29.4MB/s 32MB/s 38
Transcend UDMA 300X 4GB 
CF I 4GB 27.3MB/s 31.3MB/s 38
Dane-Elec 300Xs UDMA 8GB 
CF I 8GB 27.2MB/s 31.2MB/s 38
PNY Optima PRO UDMA 266X 8GB 
CF I 8GB 26.6MB/s 31.1MB/s 38
PNY Optima PRO UDMA 266X 4GB 
CF I 4GB 26.1MB/s 31MB/s 38
Lexar Professional 233X 16GB 
CF I 16GB 26.9MB/s 31MB/s 38
Transcend UDMA 300X 8GB 
CF I 8GB 26.3MB/s 30.9MB/s 38
Hoodman RAW 300X 8GB 
CF I 8GB 27MB/s 30.8MB/s 38
Ridata Supreme 300X 4GB 
CF I 4GB 25.9MB/s 29.7MB/s 38
PNY Opt. PRO UDMA (2007) 8GB 
CF I 8GB 24.6MB/s 29.5MB/s 36
PNY Opt. PRO UDMA (2007) 2GB 
CF I 2GB 24.3MB/s 29.4MB/s 36
Lexar Professional 233X 4GB 
CF I 4GB 24.7MB/s 27.6MB/s 34
Lexar Professional 233X 8GB 
CF I 8GB 24.1MB/s 26.5MB/s 34
SanDisk Extreme III 30MB/s Edition 16GB note
CF I 16GB 24.4MB/s 25.9MB/s 34
SanDisk Extreme III 30MB/s Edition 8GB note
CF I 8GB 23.7MB/s 25.4MB/s 32
My Digital Discount 600X 64GB 
CF I 64GB 22.9MB/s 25.2MB/s 34
SanDisk Ultra 30MB/s 8GB 
CF I 8GB 23.3MB/s 24.9MB/s 32
SanDisk Extreme III 30MB/s Edition 4GB note
CF I 4GB 23.2MB/s 24.5MB/s 32
SanDisk Ultra 30MB/s 16GB 
CF I 16GB 23MB/s 23.9MB/s 32
SanDisk Ultra 30MB/s 4GB 
CF I 4GB 23MB/s 23.8MB/s 32
SanDisk Extreme III 30MB/s Edition 32GB 
CF I 32GB 21.8MB/s 23.3MB/s 32
Delkin UDMA 420X 16GB 
CF I 16GB 18MB/s 19.9MB/s 30
Kingston standard 8GB note
CF I 8GB 16.7MB/s 18.4MB/s 28
PhotoFast Class 6 SLC 4GB 
SDHC 4GB 17MB/s 17.7MB/s 28
PhotoFast Class 6 SLC 4GB 
SDHC 4GB 17MB/s 17.7MB/s 28
Lexar Professional 133X 4GB note
SDHC 4GB 16.3MB/s 17MB/s 28
Kingston Ultimate 133X 2GB 
CF I 2GB 16.1MB/s 16.9MB/s 28
Ridata Pro 150X 2GB 
CF I 2GB 16MB/s 16.7MB/s 28
Lexar Professional 133X 8GB 
CF I 8GB 15.8MB/s 16.7MB/s 28
Hoodman PRO 150X-133X 2GB 
CF I 2GB 16.3MB/s 16.7MB/s 28
Hoodman PRO 150X-133X 4GB 
CF I 4GB 16.1MB/s 16.7MB/s 28
Kingston Ultimate 133X 8GB 
CF I 8GB 16MB/s 16.6MB/s 28
Lexar Professional 133X 2GB 
SD 2GB 16MB/s 16.5MB/s 28
SanDisk Extreme 8GB 
SDHC 8GB 15.7MB/s 16.5MB/s 28
Kingston Ultimate 600X 32GB 
CF I 32GB 15.7MB/s 16.4MB/s 28
Fujifilm 310X 8GB 
CF I 8GB 16.1MB/s 16.4MB/s 28
Delkin 163X 16GB 
SDHC 16GB 15.4MB/s 16.3MB/s 28
SanDisk Extreme III 2GB 
CF I 2GB 15.4MB/s 16.3MB/s 28
SanDisk Extreme III 4GB note
CF I 4GB 15.3MB/s 16.2MB/s 28
Ridata Pro 150X 2GB 
SD 2GB 15.2MB/s 15.9MB/s 28
SanDisk Extreme 32GB 
SDHC 32GB 15.4MB/s 15.9MB/s 28
Kingston Ultimate 266X 2GB 
CF I 2GB 14.4MB/s 15.8MB/s 26
SanDisk Extreme III 8GB 
CF I 8GB 15MB/s 15.8MB/s 28
SanDisk Extreme III 12GB 
CF I 12GB 15.1MB/s 15.7MB/s 28
Lexar Professional 600X 32GB 
SDHC 32GB 14.8MB/s 15.7MB/s 28
SanDisk Extreme III 16GB 
CF I 16GB 14.9MB/s 15.6MB/s 28
Delkin PRO 305X 16GB 
CF I 16GB 15MB/s 15.4MB/s 26
Kingston Ultimate 266X 4GB 
CF I 4GB 14MB/s 15.4MB/s 26
Kingston Ultimate 266X 8GB 
CF I 8GB 14.1MB/s 15.3MB/s 26
Transcend 266X 8GB 
CF I 8GB 14.1MB/s 15.2MB/s 26
Delkin PRO 305X 4GB 
CF I 4GB 13.9MB/s 15.2MB/s 26
Transcend 266X 2GB 
CF I 2GB 13.3MB/s 15.1MB/s 24
Hoodman RAW 280X 2GB 
CF I 2GB 12.6MB/s 13.6MB/s 24
Hoodman RAW 280X 4GB 
CF I 4GB 12.6MB/s 13.5MB/s 24
ATP Pro Max II 300X 8GB 
CF I 8GB 12.4MB/s 13.4MB/s 24
Hoodman RAW 280X 8GB 
CF I 8GB 12.5MB/s 13.4MB/s 24
Ridata Pro 150X 8GB 
CF I 8GB 12.5MB/s 13.2MB/s 24
Maxell standard 2GB 
CF I 2GB 12.8MB/s 13.2MB/s 24
Panasonic UHS-1 R90/W25 16GB 
SDHC 16GB 12.7MB/s 13.1MB/s 24
Transcend Class 6 4GB 
SDHC 4GB 12.3MB/s 13MB/s 24
Transcend 120X 4GB 
CF I 4GB 12.2MB/s 12.9MB/s 24
Lexar Platinum II 80X 16GB 
CF I 16GB 12.2MB/s 12.8MB/s 24
Lexar Platinum II 200X 8GB 
CF I 8GB 12.1MB/s 12.5MB/s 22
Transcend 133X 32GB 
CF I 32GB 12.3MB/s 12.4MB/s 23
Kingston UltimateXX 233X 16GB 
SDHC 16GB 11MB/s 11.3MB/s 22
Transcend 133X 16GB 
CF I 16GB 9.1MB/s 10.5MB/s 20
Transcend Class 6 16GB 
SDHC 16GB 10.1MB/s 10.4MB/s 22
SanDisk Ultra II 2GB 
CF I 2GB 10MB/s 10.3MB/s 22
SanDisk Ultra II 4GB 
CF I 4GB 10MB/s 10.3MB/s 22
ATP Pro Max 4GB 
CF I 4GB 10MB/s 10.2MB/s 22
Kingston Elite Pro 16GB 
CF I 16GB 9.3MB/s 10.1MB/s 20
Lexar 80X (3rd ed.) 2GB note
CF I 2GB 9.8MB/s 10.1MB/s 22
Lexar 80X (3rd ed.) 4GB note
CF I 4GB 9.7MB/s 10.1MB/s 22
SanDisk Extreme Pro 45MB/s 16GB 
SDHC 16GB 9.8MB/s 9.8MB/s 22
Ridata Lightning 233X 16GB 
CF I 16GB 9.1MB/s 9.8MB/s 22
Hoodman RAW 16GB 
SDHC 16GB 9.2MB/s 9.5MB/s 20
SanDisk Ultra II 8GB 
CF I 8GB 8.8MB/s 9.4MB/s 20
SanDisk Extreme 2GB 
CF I 2GB 9.1MB/s 9.3MB/s 20
Fujifilm standard 16GB 
SDHC 16GB 8.2MB/s 8.7MB/s 20
Hitachi Microdrive 6GB 
CF II 6GB 7.7MB/s 8.5MB/s 18
Seagate Photo Hard Drive 8GB 
CF II 8GB 7.3MB/s 8.3MB/s 18
Lexar Full-HD Video 16GB 
SDHC 16GB 8.1MB/s 8.1MB/s 20
Lexar Professional 133X 2GB 
CF I 2GB 6.2MB/s 6.2MB/s 18
Lexar Professional 133X 4GB 
CF I 4GB 6.1MB/s 6.2MB/s 18
Fujifilm 310X 4GB 
CF I 4GB 6.2MB/s 6.2MB/s 18
Kingston standard 4GB note
CF I 4GB 6MB/s 6.1MB/s 18
Ridata 80X PRO II 2GB 
CF I 2GB 5.6MB/s 6MB/s 16
SanDisk Extreme Pro 95MB/s 16GB 
SDHC 16GB 5.9MB/s 6MB/s 18
Kingston Elite Pro 2GB 
CF I 2GB 5.9MB/s 5.9MB/s 18
Kingston Ultimate 100X 4GB 
CF I 4GB 5.7MB/s 5.9MB/s 18
Delkin PRO 2GB 
CF I 2GB 5.7MB/s 5.9MB/s 16
Hitachi Microdrive 4GB note
CF II 4GB 5.2MB/s 5.7MB/s 16
Pretec 80X 2GB 
CF I 2GB 5.6MB/s 5.7MB/s 16
Hagiwara Zpro 2GB 
CF I 2GB 5.5MB/s 5.6MB/s 16
Ridata PRO 52X 2GB 
CF I 2GB 5.3MB/s 5.4MB/s 16
SanDisk standard 2GB note
CF I 2GB 5.1MB/s 5.3MB/s 16
Shikatronics TurboF1 100X 2GB 
CF I 2GB 5MB/s 5.2MB/s 16
Kingston Ultimate 100X 2GB 
CF I 2GB 4.9MB/s 5MB/s 16
TwinMOS Ultra-X 140X 2GB 
CF I 2GB 4.8MB/s 5MB/s 16
SanDisk standard 4GB 
CF I 4GB 4.1MB/s 4.7MB/s 16
Calumet ProSpec 110X 2GB 
CF I 2GB 4.5MB/s 4.4MB/s 16
Hama standard 2GB 
CF I 2GB 4.1MB/s 4.1MB/s 16
Delkin PRO 8GB 
CF I 8GB 3.9MB/s 4MB/s 16
Eye-Fi Pro X2 (firmware v5.0008) 8GB note
SDHC 8GB Error Error
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