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CF/SD Performance Database Archive - Continued

July 14, 2003: The DCS 760 section of the database is no longer being updated, as we no longer have access to this camera.

The DCS 760 combines a fast write interface with a large buffer and a relatively slow frame rate. This adds up to a camera that certainly welcomes a fast CompactFlash card, since it writes out large RAW .DCR files, but maximum write speed is by no means essential.

The DCS 720X sports the same write interface. Therefore, the relative performance of cards will be similar to that of the DCS 760 tested.

CompactFlash Write Speed - Kodak DCS 760 (Firmware Version 3.1.9)

The data in the table below was derived by timing how long it took the Kodak DCS 760 to write out 10 RAW .DCR photos to the 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.

Card-to-card speed variation within the same brand and model, photographing scenes of varying detail and at different ISO settings - these and other factors may slightly alter write speed performance. As a result, write speed differences of 5% or less from card to card in the table below should be considered insignificant. If one card's write speed is within 5% of another's, the two cards are likely to offer effectively the same performance in the real world. Similarly, it's unlikely that most photographers would notice a difference between the fastest card and one that was up to 10% slower.

The results are arranged in the table from fastest to slowest. The top 10% are marked in blue.

Brand and Model
(Card Identifier)1
Key Components Source2
Card
Type3
Date Added or Updated
Write Speed -
Raw .DCR4
Lexar 1GB 32X Write Acceleration
(Edge stamp, first two digits: 38; WA on front label)
Lexar
I
2003/4/1
3.086MB/sec
Hitachi Microdrive 1GB
Hitachi
II
2002/10/28
3.051MB/sec
Lexar 512MB 40X Write Acceleration
(Edge stamp, first two digits: 38; WA on front label)
Lexar
I
2003/4/1
3.029MB/sec
Lexar 512MB 24X Write Acceleration
(Edge stamp, first two digits: 38; WA on front label)
Lexar
I
2003/2/25
3.016MB/sec
Lexar 256MB 24X Write Acceleration
(Edge stamp, first two digits: 38; WA on front label)
Lexar
I
2003/2/25
2.977MB/sec
Delkin Devices PRO 640MB
(Label: CFPRO-640D)
For Delkin6
I
2003/2/25
2.814MB/sec
Delkin Devices PRO 512MB
(Label: CFPRO-512D)
For Delkin6
I
2003/2/25
2.793MB/sec
Lexar 512MB 24X
(Edge stamp, first two digits: 38)
Lexar
I
2002/10/28
2.721MB/sec
Delkin Devices PRO 256MB
(Label: CFPRO-256C)
For Delkin6
I
2003/2/25
2.714MB/sec
Delkin Devices PRO 320MB
(Label: CFPRO-320C)
For Delkin6
I
2003/2/25
2.698MB/sec
Lexar 256MB 24X
(Edge stamp, first two digits: 38)
Lexar
I
2002/10/28
2.688MB/sec
SimpleTech PRO X 512MB
(Internal: STI/FLASH 1T)
SST
I
2003/4/2
2.467MB/sec
Apacer Steno Pro 256MB
(Edge stamp: 83.29040.410 2002401-00006)
SST
I
2002/10/28
2.438MB/sec
SimpleTech PRO X 1GB
(Internal: STI/FLASH 1T)
SST
I
2003/4/2
2.418MB/sec
Ritek/Ridata 512MB
unknown8
I
2002/10/28
2.405MB/sec
Ritek/Ridata 256MB
unknown8
I
2002/10/28
2.346MB/sec
Transcend 256MB
(25X label on packaging)
unknown8
I
2002/10/28
2.325MB/sec
Sandisk Ultra 512MB
(Edge stamp: AX0211RX CHINA)
Sandisk
I
2003/2/25
2.294MB/sec
Microtech 256MB
(Internal: TOSHIBA THNCF256MAA)
Toshiba (SLC)5
I
2002/10/28
2.234MB/sec
Pretec 512MB
(Label: P/N: ACH512-P)
undisclosed7
I
2003/2/25
2.230MB/sec
Microtech 512MB
(Internal: TOSHIBA THNCF512MAA)
Toshiba (SLC)5
I
2002/10/28
2.142MB/sec
Delkin Devices 512MB
(Edge stamp: THNCF512MAA)
Toshiba (SLC)5
I
2002/10/28
2.114MB/sec
Delkin Devices 256MB
(Edge stamp: THNCF256MAA)
Toshiba (SLC)5
I
2002/10/28
2.095MB/sec
Sandisk Ultra 256MB
(Edge stamp: ARO110MQ USA)
Sandisk
I
2002/10/28
2.081MB/sec
SimpleTech 1GB
(Internal: STI/Flash 5.1.0)
Hitachi
II
2002/10/28
1.896MB/sec
SimpleTech 512MB
(Internal: STI/Flash 5.1.0)
Hitachi
I
2002/10/28
1.883MB/sec
SimpleTech 256MB
(Internal: STI/Flash 5.1.0)
Hitachi
I
2002/10/28
1.859MB/sec
Lexar 256MB 4X
Lexar
I
2003/2/25
1.836MB/sec
Lexar 256MB 12X
(Edge stamp, first two digits: 37)
Lexar
I
2002/10/28
1.639MB/sec
Lexar 160MB 10X
(Edge stamp, first two digits: 35)
Lexar
I
2002/10/28
1.323MB/sec
Think Perfect Pix 320MB
(Label: USA DEM LX-FLASH 320MB)
Lexar
I
2002/10/28
1.270MB/sec
Kingston Memory 1024MB
(Edge stamp: THNCF1G02MA)
Toshiba (MLC)5
I
2002/10/28
1.221MB/sec
Kingston Memory 512MB
(Edge stamp: THNCF512MMA)
Toshiba (MLC)5
I
2002/10/28
1.200MB/sec
Kingston Memory 256MB
(Edge stamp: THNCF256MMA)
Toshiba (MLC)5
I
2002/10/28
1.141MB/sec
Sandisk "standard" 512MB
Sandisk
I
2002/10/28
872K/sec
Pretec 1GB
(Label: P/N: CFP01G)
Pretec
I
2003/2/25
error9
Transcend 256MB
(30X label on packaging)
unknown8
I
2003/2/25
error9
Transcend 512MB
(30X label on packaging)
unknown8
I
2003/2/25
error9
(1) To help determine whether the card you purchase is substantially similar to the one tested, the card's description includes an identifier - series number, internal name or other unique value - where possible and applicable. See How can I be sure the card I buy is the same as the one tested in this report? for information on interpreting the card identifier. With CompactFlash cards from companies that source components from other manufacturers, it's particularly important to compare the identifier noted here with the card you might select.
(2) Many companies sell CompactFlash media; relatively few actually design and manufacture the key internal components, including the controller and flash memory. This column lists the manufacturer of the controller.
(3) Type I CompactFlash cards are 3.3mm in thickness; Type II, 5.0mm.
(4) K/sec = Kilobytes per second (1 kilobyte = 1024 bytes); MB/sec = Megabytes per second (1 megabyte = 1024 kilobytes).
(5) Companies that source CompactFlash cards from Toshiba may opt for either the faster single level cell (SLC) or slower (but less expensive to manufacture) multi level cell (MLC) arhictecture. The Kingston cards tested were MLC; the company does, however, offer SLC-based CompactFlash cards on special order. Kingston's SLC-based cards have "-S" appended to the end of their part number, ie CF/512-S. Not all of Kingston's distributors will have the SLC cards listed among the products they can ship to dealers. For more information, contact Kingston.
(6) Delkin has not revealed the design and manufacturing partner for their Pro line of CompactFlash cards.
(7) Pretec has not disclosed the source of the controller in the Pretec 512MB card tested.
(8) These cards contain controllers from an unknown manufacturer, likely of Taiwanese origin.
(9) The DCS 760 would not recognize these cards.
Next Page: Kodak DCS Pro 14n
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