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CF/SD/XQD Performance Database - Continued

March 18, 2004: The DCS Pro 14n section of the database is no longer being updated, as we no longer have access to this camera.

CompactFlash Write Speed - Kodak DCS Pro 14n (Firmware Version 4.4.3)

The data in the table below was derived by timing how long it took the Kodak DCS Pro 14n to write out 6 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.

Note: The DCS Pro 14n includes its own write speed tester. It uses a different method of testing write speed that results in the 14n's throughput numbers being on the order of 20-35% higher than the numbers reported here. As a result, it's not possible to directly compare the throughput numbers generated by the camera with the data in the table below, though there is a rough correlation between the two in our testing.

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
Hitachi Microdrive 4GB
Hitachi
II
2003/10/30
3.078MB/sec
Lexar 1GB 40X Write Acceleration
(Edge stamp, first two digits: 38; WA on front label)
Lexar
I
2003/8/28
3.066MB/sec
Lexar 1GB 32X Write Acceleration
(Edge stamp, first two digits: 38; WA on front label)
Lexar
I
2003/4/1
3.053MB/sec
Lexar 512MB 40X Write Acceleration
(Edge stamp, first two digits: 38; WA on front label)
Lexar
I
2003/4/1
3.033MB/sec
Sandisk Extreme 1GB
(Edge stamp: BB0307VZ CHINA)
Sandisk
I
2003/8/28
3.029MB/sec
Sandisk Ultra II 1GB
(Edge stamp: BB0306VZ CHINA)
Sandisk
I
2003/8/28
3.021MB/sec
Lexar 2GB 40X Write Acceleration
Lexar
I
2003/7/14
2.923MB/sec
Lexar 4GB 40X Write Acceleration
Lexar
II
2003/8/28
2.788MB/sec
Sandisk "new" Ultra 1GB
(Edge stamp: BB0303TV CHINA)
Sandisk
I
2003/7/14
2.772MB/sec
Sandisk "new" Ultra 512MB
(Edge stamp: AX0303TV CHINA)
Sandisk
I
2003/7/14
2.766MB/sec
Lexar 512MB 24X Write Acceleration
(Edge stamp, first two digits: 38; WA on front label)
Lexar
I
2003/3/27
2.729MB/sec
Transcend 1GB 45X
(45X on front label)
Transcend
I
2003/8/28
2.692MB/sec
Delkin Devices PRO 320MB
(Label: CFPRO-320C)
For Delkin6
I
2003/3/27
2.690MB/sec
Delkin Devices PRO 256MB
(Label: CFPRO-256C)
For Delkin6
I
2003/3/27
2.687MB/sec
Delkin Devices PRO 512MB
(Label: CFPRO-512D)
For Delkin6
I
2003/3/27
2.686MB/sec
Delkin Devices PRO 640MB
(Label: CFPRO-640D)
For Delkin6
I
2003/3/27
2.682MB/sec
Lexar 256MB 24X Write Acceleration
(Edge stamp, first two digits: 38; WA on front label)
Lexar
I
2003/3/27
2.680MB/sec
Transcend 256MB
(30X label on packaging)
Transcend
I
2003/3/27
2.607MB/sec
Hitachi Microdrive 1GB
Hitachi
II
2003/3/27
2.591MB/sec
Lexar 512MB 24X
(Edge stamp, first two digits: 38)
Lexar
I
2003/3/27
2.561MB/sec
Transcend 512MB
(30X label on packaging)
Transcend
I
2003/3/27
2.550MB/sec
Core Micro 1GB
(Edge stamp: 72688 KTN3 1GCP 0313 QC:5F)
Transcend
I
2003/7/14
2.537MB/sec
SimpleTech PRO X 512MB
(Internal: STI/FLASH 1T)
SST
I
2003/3/27
2.362MB/sec
Apacer Steno Pro 256MB
(Edge stamp: 83.29040.410 2002401-00006)
SST
I
2003/3/27
2.341MB/sec
SimpleTech PRO X 1GB
(Internal: STI/FLASH 1T)
SST
II
2003/3/27
2.210MB/sec
Ritek/Ridata 512MB
unknown8
I
2003/3/27
2.138MB/sec
Sandisk "original" Ultra 512MB
(Edge stamp: AX0211RX CHINA)
Sandisk
I
2003/3/27
2.097MB/sec
Transcend 256MB
(25X label on packaging)
Transcend
I
2003/3/27
2.096MB/sec
Ritek/Ridata 256MB
unknown8
I
2003/3/27
2.089MB/sec
Microtech 256MB
(Internal: TOSHIBA THNCF256MAA)
Toshiba (SLC)5
I
2003/3/27
1.989MB/sec
Sandisk "original" Ultra 256MB
(Edge stamp: ARO110MQ USA)
Sandisk
I
2003/3/27
1.902MB/sec
Microtech 512MB
(Internal: TOSHIBA THNCF512MAA)
Toshiba (SLC)5
I
2003/3/27
1.854MB/sec
Pretec 512MB
(Label: P/N: ACH512-P)
undisclosed7
I
2003/3/27
1.774MB/sec
Lexar 256MB 4X
Lexar
I
2003/3/27
1.651MB/sec
Lexar 256MB 12X
(Edge stamp, first two digits: 37)
Lexar
I
2003/3/27
1.466MB/sec
Kingston Memory 1024MB
(Edge stamp: THNCF1G02MA)
Toshiba (MLC)5
I
2003/3/27
1.175MB/sec
Kingston Memory 512MB
(Edge stamp: THNCF512MMA)
Toshiba (MLC)5
I
2003/3/27
1.168MB/sec
Kingston Memory 256MB
(Edge stamp: THNCF256MMA)
Toshiba (MLC)5
I
2003/3/27
1.130MB/sec
Sandisk "standard" 512MB
Sandisk
I
2003/3/27
848K/sec
(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.
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