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Posted by Tor Magne
Posted on 29/06/04 02:46
Number of views 8744
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Reading performance
 

Reading performance:


For these tests we will use Nero CD/DVD-Speed to read various CD and DVD's, including audio discs and DVD-media. As already mentioned in the introduction, this drive sports a specified read speed of 12X for DVD's and 40X for CD's.

Pressed discs:

For this test we used a pressed CD-ROM disc containing PlexTools v1.08 that is exactly 74 minutes long. Below you will see the produced result:

 

The Philips DVDRW885 had no problems reaching 40x and more, to see how this compares to other drives, look below:

Pressed
Discs

Average
Read
Speed

Start
 Read 
Speed

End
 Read 
Speed

Seek
Times
 Random

Seek
 Times 
1/3

Seek
 Times 
Full

Plextor
PX-708A

31.40x

18.48x

41.45x

98ms

116ms

175ms

NEC
 ND-2500A

31.00x

17.85x

41.05x

104ms

114ms

166ms

Pioneer
DVR-107D

30.86x

18.36x

40.76x

122ms

142ms

281ms

NU
DDW-082

32.36x

18.56x

42.70x

114ms

106ms

159ms

Lite-On
SOHW-812S

30.56x

17.92x

40.26x

93ms

108ms

183ms

BenQ
DW822A

32.37x

18.41x

42.52x

96ms

112ms

165ms

BTC
DRW1108IM

27.56x

11.44x

37.9x

96ms

110ms

169ms

Philips
DVDRW885

32.47x

18.38x

42.84x

94ms

112ms

161ms

New record! Fastest DVD-Writer we've had so far for reading. Good seek times too.

CD-Recordable Discs:

For this test we made a copy of the original PlexTools v1.08 CD. The disc we used was a Verbatim 48X certified CD-R disc manufactured by Mitsubishi Chemicals Corporation.

 

Again a perfect result, look below for a comparison table.

CD-R
Discs

Average 
Read
Speed

Start
 Read 
Speed

End
 Read 
Speed

Seek
Times
 Random

Seek
 Times 
1/3

Seek
 Times 
Full

Plextor
PX-708A

31.48x

18.83x

41.37x

95ms

111ms

164ms

NEC
ND-2500A

30.77x

17.92x

40.61x

113ms

115ms

166ms

Pioneer
DVR-107D

31.24x

18.26x

41.21x

123ms

143ms

282ms

NU
DDW-082

32.34x

18.48x

42.65x

93ms

103ms

154ms

Lite-On
SOHW-812S

30.87x

18.16x

40.74x

107ms

126ms

207ms

BenQ
DW822A

32.35x

18.43x

43.89x

94ms

105ms

157ms

BTC
DRW1108IM

32.33x

18.83x

42.69x

91ms

100ms

169ms

Philips
DVDRW885

32.44x

18.49x

42.76x

89ms

100ms

152ms

It's the winner again, good work Philips!

CD-ReWritable discs:

Again we made a copy of the original PlexTools v1.08 disc, this time we used a Verbatim High Speed (10X) CD-RW disc made by Mitsubishi Chemicals Corporation.

 

The drive reads CD-RW discs at full 40x. The result seems to be almost perfect, let us compare it to other drives below.

CD-RW
Discs

Average 
Read
Speed

Start
 Read 
Speed

End
 Read 
Speed

Seek
Times
 Random

Seek
 Times 
1/3

Seek
 Times 
Full

Plextor
PX-708A

31.46x

18.47x

41.55x

109ms

116ms

183ms

NEC
ND-2500A

26.14x

14.96x

34.64x

120ms

124ms

187ms

Pioneer
DVR-107D

25.55x

14.77x

33.87x

128ms

149ms

291ms

NU
DDW-082

32.98x

18.57x

43.72x

101ms

115ms

172ms

Lite-On
SOHW-812S

25.40x

14.68x

33.66x

106ms

138ms

209ms

BenQ
DW822A

32.98x

18.41x

43.77x

97ms

107ms

169ms

BTC
DRW1108IM

26.87x

15.40x

35.61x

100ms

109ms

197ms

Philips
DVDRW885

32.84x

18.52x

43.75x

106ms

120ms

173ms

It's very fast but lags behind the NU and BenQ with a very short margin. Ok seek times as well as great speed, what more do you want?

Audio - Digital Audio Extraction:

To test the digital audio extraction performance of the Philips DVDRW885, we again used Nero CD/DVD-Speed to measure the transfer rate. The audio disc we used is slightly larger than the disc used for the other tests, to be exact it's about 78 minutes long (77:56:57).

 

The drive had no problems with reading the audio disc at full speed and everything seems good, so let us compare the result with other drives:

Audio
Discs

Average 
Read
Speed

Start
 Read 
Speed

End
 Read 
Speed

Seek
Times
 Random

Seek
 Times 
1/3

Seek
 Times 
Full

Plextor
PX-708A

31.84x

18.90x

41.98x

97ms

117ms

181ms

NEC
ND-2500A

25.55x

15.00x

34.37x

122ms

117ms

177ms

Pioneer
DVR-107D

31.31x

18.03x

42.01x

122ms

148ms

292ms

NU
DDW-082

32.84x

18.49x

43.61x

92ms

106ms

158ms

Lite-On
SOHW-812S

31.02x

17.83x

41.09x

108ms

138ms

214ms

BenQ
DW822A

32.87x

18.46x

43.49x

94ms

108ms

162ms

BTC
DRW1108IM

32.79x

18.83x

43.43x

90ms

108ms

167ms

Philips
DVDRW885

32.96x

18.62x

43.66x

91ms

104ms

157ms

Amazing - it beats them all, for both speed and seek times!


And as a last test we used Exact Audio Copy (EAC) to extract the audio to our hard drive. According to EAC the Philips DVDRW885 supports caching (Which is not positive according to EAC) and Accurate Stream. But it doesn't support reporting C2 errors.

 

 

Below is the results produced by EAC:

 

Burst mode

 

Secure mode

The drive performed excellent as expected in the burst mode test, but it's very slow for secure extraction and is among the slowest drives we've had for secure extraction.

Advanced audio - DAE quality test:

Before we move on to testing DVD read speeds we will take a last audio test, this time we used the 'Advanced DAE Quality Test" feature in CD-Speed.

 

The philips DVDRW885 did pretty well in this test, but lacks support for reading data from the lead-out.

DVD reading performance:



Again we will use Nero CD-Speed to measure the reading performance, this time for various types of DVD discs. The drive should read pressed single layer DVD-discs at 12X.

DVD - DVD-Video:

For our DVD reading performance tests we are going to start with single and dual layered DVD video discs. While only 1X speed is required to watch DVD movies, it's useful to be able to read the discs at higher speeds if you're going to extract (rip) the content of the disc to your hard drive.

 

 

As we can see, this drive reads single layer DVD-Video discs at full 12x speed and dual layer DVD-Video discs at 8x speed. How this compares to other drives may be seen in the table below.

DVD
Video

Average 
Read
Speed
(SL)

Start
 Read 
Speed
(SL)

End
 Read 
Speed
(SL)

Average 
Read
Speed
(DL)

Start
 Read 
Speed
(DL)

End
 Read 
Speed
(DL)

Plextor
PX-708A

9.01x

5.00x

12.04x

6.03x

3.37x

8.03x

NEC
ND-2500A

3.76x

2.06x

5.03x

3.42x

1.83x

4.56x

Pioneer
DVR-107D

3.87x

2.20x

5.16x

3.56x

2.21x

5.22x

NU
DDW-082

4.59x

2.57x

6.13x

4.24x

2.37x

5.65x

Lite-On
SOHW-812S

9.15x

5.18x

12.18x

6.30x

3.54x

8.39x

BenQ
DW822A

9.19x

5.10x

12.28x

6.02x

3.36x

8.05x

BTC
DRW108IM

4.58x

2.59x

6.10x

4.80x

2.69x

6.40x

Philips
DVDRW885

9.20x

5.13x

12.01x

6.03x

3.37x

8.03x

Very good and it's among the fastest drives again.

 DVD+R(W):


For this test we used a Taiyo Yuden 4X DVD+R and a Ricoh 4X DVD+RW with about 4,4Gb of data. Below are the results:

 

 

The reading speed was locked to 8x for DVD+R and DVD+RW. Pretty normal for most new drives.

DVD+R
DVD+RW

Average 
Read
Speed
(+R)

Start
 Read 
Speed
(+R)

End
 Read 
Speed
(+R)

Average 
Read
Speed
(+RW)

Start
 Read 
Speed
(+RW)

End
 Read 
Speed
(+RW)

Plextor
PX-708A

6.05x

3.33x

8.10x

6.07x

3.34x

8.11x

NEC
ND-2500A

5.97x

3.27x

7.99x

5.98x

3.29x

7.99x

Pioneer
DVR-107D

6.28x

3.48x

8.40x

6.08x

3.48x

8.23x

NU
DDW-082

6.24x

3.42x

8.36x

6.25x

3.43x

8.36x

Lite-On
SOHW-812S

6.14x

3.39x

8.23x

6.18x

3.43x

8.26x

BenQ
DW822A

6.25x

3.41x

8.37x

6.25x

3.41x

8.35x

BTC
DRW1108IM

6.17x

3.40x

8.25x

4.74x

2.63x

6.34x

Philips
DVDRW885

6.26x

3.41x

8.39x

6.27x

3.43x

8.39x

It's among the faster drives, but it's nothing too special.

DVD - DVD-R/RW:


For this test we used a Taiyo Yuden 4X DVD-R disc and a Verbatim 2X DVD-RW disc filled with about 4,4Gb of data. Our test results are found below:

 

 

There are hardly any differences compared to reading the DVD+R/RW discs.

DVD-R
DVD-RW

Average 
Read
Speed
(-R)

Start
 Read 
Speed
(-R)

End
 Read 
Speed
(-R)

Average 
Read
Speed
(-RW)

Start
 Read 
Speed
(-RW)

End
 Read 
Speed
(-RW)

Plextor
PX-708A

6.00x

3.37x

8.04x

6.06x

3.34x

8.11x

NEC
ND-2500A

5.99x

3.30x

8.00x

5.98x

3.29x

8.00x

Pioneer
DVR-107D

6.27x

3.51x

8.38x

6.25x

3.49x

8.23x

NU
DDW-082

6.27x

3.42x

8.65x

6.25x

3.40x

8.47x

Lite-On
SOHW-812S

6.19x

3.43x

8.27x

6.14x

3.40x

8.22x

BenQ
DW822A

6.26x

3.40x

8.41x

6.24x

3.38x

8.35x

BTC
DRW1108IM

6.27x

3.45x

8.38x

4.68x

2.58x

6.27x

Philips
DVDRW885

6.27x

3.43x

8.38x

6.26x

3.41x

8.36x

Again it's among the faster drives, very good!

Overall thoughts:

The drive is very good for all reading operations, except for secure reading in EAC. But overall Philips has done a good job when fine tuning the reading abilities.

But now it's time to head on to a more interesting part: Writing CD-R discs…

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Reactions on this item
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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