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Posted by Tor Magne
Posted on 29/06/04 02:46
Number of views 8685
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Re Writing performance and quality
 

The Philips DVDRW885 supports writing CD-RW discs at 10x speed only and it supports writing DVD+RW discs at 4x.

Re-Writing data:


For this test we set up a new compilation containing 650Mb of data in Nero Burning ROM. We used the DAO (Disc At Once) writing method. In the screenshot below you can see that the burn process completed successfully.

 

The Philips DVDRW used 8 minutes and 3 seconds for writing the disc at 10X, let us compare this to some other writers; The Plextor PX-708A used 3 minutes and 39 seconds to write the disc at 24x and the NU DDW-082 used 3 minutes and 37 seconds to write the disc at 24x. Well, we can't expect it to keep up with the other two drives due to the low speed of only 10x.

And here is the writing time for writing 4.4Gb of data to a Ricoh 4X DVD+RW disc:

 

The Philips DVDRW885 used 14 minutes and 46 seconds to write the disc, as a comparison the NU DDW-082 used 14 minutes and 34 seconds and the NEC ND-2500A used 13 minutes and 52 seconds. This makes the Philips DVDRW885 a bit slower than the two other drives.

CD-RW Packet writing:

Now it's time to take a look at the packet writing performance of the Philips DVDRW885. We used Ahead InCD to write 401 MB (421 003 264 bytes) data to the disc.

Packet
Writing

InCD
Formatting
700MB

InCD
Copying
400MB

Average
Write
Speed

Pioneer
DVR-107D

4m:33s

2m:38s

17.76x

NU
DDW-082

4m:1s

2m:29s

18.84x

Lite-ON
SOHW-812S

6m:30s

2m:34s

18.23x

BenQ
DW822A

9m:4s

5m:40s

8.25x

BTC
DRW1108IM

5m:48s

2m:33s

18.24x

Philips
DVDRW885

8m:57s

5m:44s

8.16x

It's slower than most other drives due to the low speed of only 10x, but there were at least no problems.

DVD-RW/DVD+RW packet writing tests:

We used Ahead InCD to format and write 2Gb (2 217 820 160 bytes) data to the disc.

DVD+RW

Quick
Formatting
DVD+RW

Writing
 2.0Gb

Average
write speed

Plextor
PX-708A

0m:8s

6m:43s

3.97x

Mediagear /
BTC DRW1004IM

0m:4s

6m:43s

3.97x

NEC
ND-2500A

0m:6s

6m:36s

4.04x

Pioneer
DVR-107D

0m:19s

6m:43s

3.97x

NU
DDW-082

0m:7s

6m:44s

3.97x

Lite-On
SOHW-812S

3m:9s

7m:11s

3.72x

BenQ
DW822A

0m:16s

6m:43s

3.97x

BTC
DRW1108IM

0m:11s

6m:44s

3.97x

Philips
DVDRW885

0m:10s

9m:9s

2.92x

The DVD+RW packet writing performance is noticeably worse than for most other drives, but we suspect this to be cause by InCD, which is a very unstable program that never performs the same from version to version.

Writing Quality with Re-Writable discs:


Due to request from our readers we will add a few write quality tests with Re-Writable media. Settings and testing procedures is the same as used earlier in this review so you may want to go back and read them if unsure. All discs used for these tests have been written to before, but none have been written to more than 25 times.

CD-ReWritable media:

 

Brand:

Verbatim Data Life Plus

Manufacturer:

CMC Magnetics, but with Mitsubishi dye and ATIP

Code:

97m34s24f

Disc Type:

US CD-RW

Recording Layer:

Dye Type 4: Long Strategy (Phase Change)

Capacity:

79:59.74 (703MB)

Certified Speed:

24x

Write Speed:

10x

Write Time:

9m:15s

C1 Average/Sec:

8.08

C2 Average/Sec:

0.00

The result is very good and this media should not cause any problems.

Brand:

That's Write

Manufacturer:

Plasmon data systems

Code:

97m27s12f

Disc Type:

US CD-RW

Recording Layer:

Dye Type 2: Long Strategy (Phase Change)

Capacity:

74:41.00 (656MB)

Certified Speed:

24x

Write Speed:

10x

Write Time:

8m:18s

C1 Average/Sec:

157.10

C2 Average/Sec:

0.00

Low quality discs, and as we could see the amount of C1 errors is pretty high, but there are at least no C2 errors.

DVD+ReWritable media:


Brand:

That's Write - Thanks to That's Write for providing it.

Manufacturer:

Ricoh (by Ritek)

Code:

RICOHJPNW11

Disc Type:

DVD+RW

Capacity:

4483MB

Certified Speed:

4x

Write Speed:

4x

Write Time:

14m:37s

PI-8 errors Average/Sec:

4.47

PI-8 uncorrectable errors(PO) Avg/Sec:

0.04

Not the best result we have seen with these discs, so there is room for improvements.


 

Brand:

BenQ

Manufacturer:

Philips

Code:

PHILIPS 041

Disc Type:

DVD+RW

Capacity:

4483MB

Certified Speed:

4x

Write Speed:

4x

Write Time:

14m:41s

PI-8 errors Average/Sec:

1.88

PI-8 uncorrectable errors(PO) Avg/Sec:

0.02

The result is pretty good with this media, not that surprising as it has a Philips media code.


 

Brand:

Fortis

Manufacturer:

Nanya

Code:

NANYA.DRW

Disc Type:

DVD+RW

Capacity:

4483MB

Certified Speed:

4x

Write Speed:

4x

Write Time:

14m:31s

PI-8 errors Average/Sec:

13.70

PI-8 uncorrectable errors(PO) Avg/Sec:

0.59

Although the amount of errors is a bit higher than for most other DVD+RW discs the reading curve shows few problems.


 

Brand:

Verbatim DataLifePlus

Manufacturer:

Mitsubishi Kagaku Media

Code:

MKM A02

Disc Type:

DVD+RW

Capacity:

4483MB

Certified Speed:

4x

Write Speed:

4x

Write Time:

14m:43s

PI-8 errors Average/Sec:

1.25

PI-8 uncorrectable errors(PO) Avg/Sec:

0.03

Pretty good and there is only a slight slowdown at the end of the reading curve.

To sum it up: It will not win a price for anything here as it's pretty average compared to most other drives and things could be improved. For example CD-RW writing speed as well as writing quality with ricoh DVD+RW media etc could have been better.

Before we round off this review, let us run the drive through some advanced tests at next page…

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Looks like somebody didn't get a defective drive to review on this one :+
:) very nice review. can we expect a review of the NEC-2510A as well since that drive has been on the market for quite a while already AND is available in larger quantities? any ETA for the philips drive?
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