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Posted by Wendy Collins
Posted on 28/05/06 12:03
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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 supports:

  • DVD-ROM : 16x
  • CD-ROM : 48x 

Pressed discs:

For this test we used a pressed CD-ROM disc containing the Roxio Media Creator 7.5 install CD that is close to 75 minutes in length. Below you will see the produced result:

The Plextor PX-760A reached 47.20x, and will reach faster speeds on a full disc. Let's compare the result in the table below:

Pressed
Discs

Average
Read
Speed

Start
 Read 
Speed

End
 Read 
Speed

Seek
Times
 Random

Seek
 Times 
1/3

Seek
 Times 
Full

Aopen
DUW1608/ARR

37.34x

21.29x

49.42x

105ms

118ms

196ms

LG
GSA-5163D

30.73x

16.88x

40.47x

108ms

105ms

128ms

Lite-On
SHOW-1673S

36.44x

21.36x

48.13x

118ms

133ms

207ms

Pioneer
DVR-109D

30.77x

18.18x

24.51x

96ms

110ms

182ms

BenQ
DW1625

30.74x

15.39x

38.87x

99ms

112ms

161ms

NEC
ND-3540A

34.82x

19.88x

46.09x

122ms

132ms

210ms

BenQ
DW1640

36.58x

20.82x

47.67x

107ms

123ms

175ms

Samsung
SH-W162C

35.56x

15.93x

47.11x

94ms

96ms

171ms

Pioneer
DVR-110

31.66x

18.25x

41.76x

98ms

114ms

194ms

Lite-On
SHW-16H5S

36.41x

21.58x

48.248

110ms

125ms

196ms

Plextor
PX-750A

29.65x

16.64x

39.23x

107mx

119ms

196ms

Plextor
PX-755A

36.61x

21.15x

48.51x

98ms

117ms

175ms

Pioneer
DVR-111

31.64x

18.10x

41.95x

106ms

122ms

198ms

Plextor
PX-760A

35.76x

20.81x

47.20x

98ms

117ms

169ms

The Plextor PX-760A was above average reading a pressed CD-ROM.


CD-Recordable Discs:

For this test we made a copy of the original Roxio Media Creator 7.5 install CD. The disc we used was a Ricoh 52X certified CD-R disc manufactured by Moser Baer India. 

As we can see from the above screenshot, the Plextor-760A reached 47.21x when reading CD-R. This gives an average read speed of 35.71x.

Now let us compare with the drives below.

CD-R
Discs

Average 
Read
Speed

Start
 Read 
Speed

End
 Read 
Speed

Seek
Times
 Random

Seek
 Times 
1/3

Seek
 Times 
Full

LG
GSA-5160D

30.53x

16.83x

40.27x

116ms

118ms

128ms

ASUS
DRW-1604P

30.96x

18.26x

40.81x

125ms

143ms

282ms

Samsung
TS-E552U

36.65x

21.28x

48.33x

92ms

95ms

163ms

Philips
DVDR16LS

30.69x

17.68x

40.44x

126ms

137ms

175ms

NU
HDW-164

32.20x

18.48x

42.65

N/A*

N/A*

N/A*

NEC
ND-3540A

35.68x

20.76x

47.06x

128ms

130ms

213ms

BenQ
DW1640

36.57x

20.92x

48.09x

203ms

233ms

239ms

Samsung
SH-W162C

30.66x

17.98x

40.43

90ms

92ms

161ms

Pioneer
DVR-110

31.32x

17.91x

41.29x

103ms

116ms

192ms

Lite-On
SHW-16H5S

36.84x

21.61x

48.62x

115ms

126ms

203ms

Plextor
PX-750A

29.65x

17.25x

39.12x

124ms

140ms

307ms

Plextor
PX-755A

35.85x

20.85x

47.33x

121ms

197ms

310ms

Pioneer
DVR-111

31.30x

17.63x

41.16x

111ms

129ms

205ms

Plextor
PX-760A

35.76x

20.85x

47.21x

98ms

114ms

169ms


Once again the Plextor PX-760A was above average for reading CD-R media. Seek times were also good.

* Some drives including the NU HDW-164 will simply execute the seek command without actually moving the pickup.


CD-Rewritable discs:

Again, we made a copy of the original Roxio Media Creator 7.5 install CD; this time we used a Verbatim Ultra Speed (32X) CD-RW disc made by Mitsubishi Chemicals Corporation.

As we can see above, the Plextor PX-760A is speed locked to 40x when reading CD-RW; now 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

LG
GSA-5160D

30.54x

16.59x

40.43x

119ms

116ms

129ms

ASUS
DRW-1604P

25.32x

14.63x

33.52x

129ms

149ms

288ms

Samsung
TS-E552U

23.99x

14.02x

31.63x

86ms

95ms

162ms

Philips
DVDR16LS

30.70x

17.71x

40.55x

131ms

149ms

179ms

NU
HDW-164

32.20x

18.17x

42.53x

N/A*

N/A*

N/A*

NEC
ND-3540A

30.76x

18.02x

40.08x

132ms

128ms

213ms

BenQ
DW1640

31.36x

17.47x

41.46x

105ms

116ms

250ms

Samsung
SH-W162C

30.67x

17.89x

40.44x

89ms

92ms

161ms

Pioneer
DVR-110

25.00x

14.63x

32.91x

100ms

114ms

191ms

Lite-On
SHW-16H5S

25.68x

15.01x

33.91x

115ms

127ms

205ms

Plextor
PX-750A

29.68x

17.23x

39.21x

119ms

132ms

220ms

Plextor
PX-755A

31.69x

18.46x

41.85x

98ms

115ms

182ms

Pioneer
DVR-111

24.99x

14.55x

33.01x

107ms

123ms

194ms

Plextor
PX-760A

31.67x

18.52x

41.76x

99ms

114ms

191ms

The Plextor PX-760A was one of the fastest drives when reading CD-RW media.

* Some drives including the NU HDW-164 will simply execute the seek command without actually moving the pickup.


100 minutes CD:

We used Nero CD-DVD Speed to measure the transfer rate. The 100 min disc we used is slightly larger than the disc used for the other tests, to be exact it is 97 minutes and 50 seconds long.

As we can see, the Plextor PX-760A had no problems in reading the disc, and reached an impressive 50.83x read speed.


Audio - Digital Audio Extraction:

To test the digital audio extraction performance of the Plextor PX-760A, again we 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 nearly 79 minutes in length (78:53:31).

The Plextor PX-760A reached 42.55x when reading our Audio-CD; 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

LG
GSA-5160D

31.27x

16.81x

41.20x

118ms

124ms

115ms

ASUS
DRW-1604P

31.10x

19.91x

41.38x

125ms

146ms

286ms

Samsung
TS-E552U

37.53x

19.73x

49.76x

85ms

97ms

171ms

Philips
DVDR16LS

31.44x

17.75x

41.69x

107ms

124ms

176ms

NU
HDW-164

32.98x

18.32x

43.70x

N/A*

N/A*

N/A*

NEC
ND-3540A

31.43x

18.00x

40.16x

119ms

135ms

217ms

BenQ
DW1640

37.15x

20.94x

49.23x

171ms

200ms

184ms

Samsung
SH-W162C

31.39x

17.70x

41.63x

86ms

100ms

177ms

Pioneer
DVR-110

31.81x

17.47x

42.76x

103ms

116ms

195ms

Lite-On
SHW-16H5S

37.48x

21.71x

49.71x

111ms

125ms

203ms

Plextor
PX-750A

29.97x

17.13x

39.98x

119ms

139ms

297ms

Plextor
PX-755A

32.11x

18.26x

42.58x

99ms

109ms

172ms

Pioneer
DVR-111

31.05x

17.67x

41.80x

108ms

124ms

201ms

Plextor
PX-760A

32.09x

18.27x

42.55x

93ms

107ms

182ms

The Plextor PX-760A performed about average reading the Audio-CD. Seek times were once again very good.

* Some drives including the NU HDW-164 will simply execute the seek command without actually moving the pickup.

For this test we used EAC (Exact Audio Copy) to test the drives Audio extraction performance. As we can see from the screenshot below, the drive supports accurate stream and caching.

Below is the results produced by EAC:


 Burst mode


 Secure mode

The drive performed very well in burst mode, but was much slower in secure mode.


Advanced audio - DAE quality test:

Before we move on to testing DVD read speeds, we will take a last audio test, and this time we used the 'Advanced DAE Quality Test" feature in CD-Speed. For this test we used a CD-R media from RICOH (Thanks to RICOH Europe (BV) for sending us this media).

The extracting quality is excellent, and the Plextor PX-760A performed flawlessly with our DAE test.

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 16X.

DVD - DVD-Video:

For our DVD reading performance tests we are going to start with a single and Double 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.


DVD-Video Single Layer

 
DVD-Video Double Layer (OPT)


DVD-Video Double Layer (PTP)

The Plextor PX-760A is not RIPLOCKED and reads a pressed DVD-Video at up to 16x for a Single Layer disc, and at 12x for a Double Layer disc.

We present the table below for easy reference. 

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)

LG
GSA-5160D

7.60x

4.12x

10.13x

6.14x

3.38x

8.16x

ASUS
DRW-1604P

3.92x

2.17x

5.25x

3.94x

2.19x

5.25x

Samsung
TS-E552U

11.50x

6.78x

13.11x

6.41x

3.57x

8.51x

Philips
DVDR16LS

11.97x

6.61x

15.97x

6.02x

3.35x

8.01x

NU
HDW-164

6.40x

3.54x

8.53x

5.87x

3.26x

7.81x

NEC
ND-3540A

5.94x

3.32x

7.93x

5.45x

3.03x

7.24x

BenQ
DW1640

11.86x

6.59x

15.79x

9.01x

5.03x

12.00x

Samsung
SH-W162C

12.06x

6.73x

16.08x

6.41x

3.57x

8.51x

Pioneer
DVR-110

11.99x

6.41x

15.99x

9.35x

5.30x

12.45x

Lite-On
SHW-16H5S

12.14x

6.81x

16.18x

6.11x

2.65x

8.13x

Plextor
PX-750A

11.92x

6.63x

15.89x

5.91x

3.34x

7.86x

Plextor
PX-755A

11.93x

6.64x

15.91x

8.92x

5.03x

11.86x

Pioneer
DVR-111

11.99x

6.32x

15.94x

9.35x

5.30x

12.42x

Plextor
PX-760A

11.98x

6.62x

15.87x

8.90x

5.02x

11.84x


The Plextor PX-760A performed well with our SL DVD-Video test. It was one of the fastest drives at reading a pressed SL DVD-Video disc. With the Double Layer DVD-Video it was also among the fastest drives.

DVD - DVD+R/RW:


For this test we used a Verbatim 16X DVD+R and a Verbatim 8X DVD+RW with about 4.4GB of data. Below are the results:


DVD+R

 
DVD+RW

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)

Lite-On
SHOW-1653S

6.19x

3.42x

8.28x

6.23x

3.46x

8.33x

LG
GSA-5160D

7.66x

4.11x

10.23x

6.15x

3.32x

8.21x

ASUS
DRW-1604P

9.35x

5.19x

12.52x

6.26x

3.48x

8.36x

Samsung
TS-E522U

6.23x

3.44x

8.32x

6.22x

3.43x

8.31x

Philips
DVDR16LS

6.24x

3.42x

8.34x

6.24x

3.42x

8.34x

NU
DHW-164

6.47x

3.53x

8.63x

6.46x

3.52x

8.65x

NEC
ND-3540A

11.99x

6.56x

16.05x

9.87x

5.45x

13.18x

BenQ
DW1640

12.10x

6.59x

16.22x

9.37x

5.12x

12.56x

Samsung
SE-W164C

9.11x

5.02x

12.19x

6.22x

3.43x

8.32x

Pioneer
DVR-110

9.36x

5.20x

12.16x

6.25x

3.46x

8.43x

Lite-On
SHW-16H5S

12.19x

6.61x

16.29x

9.23x

5.13x

12.33x

Plextor
PX-750A

7.46x

4.12x

9.98x

5.96x

3.27x

7.97x

Plextor
PX-755A