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Posted by Wesley Novack
Posted on 31/12/04 07:38
Number of views 9020
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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 16X for DVD's and 48X for CD's.

Pressed discs:

For this test we used a pressed CD-ROM disc containing Canon Digital Camera Solution Disk ver 9.0 that is 73:12.38 minutes long. Below you will see the produced result:

 

The drive had absolutely no trouble reading the Canon disc. 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

Lite-On

LDW-411S

29.29x

17.17x

38.81x

94ms

114ms

192ms

BenQ

DW822A

30.94x

17.28x

40.99x

101ms

113ms

166ms

NEC

ND-2510A

29.36x

16.82x

38.90x

112ms

116ms

169ms

Lite-On

SOHW-1633S

35.01x

19.73x

46.39x

121ms

126ms

214ms

Mad Dog

MD-16XDVD9

34.10x

19.54x

45.17x

109ms

127ms

187ms

Memorex
F16

34.94x

20.05x

46.33x

122ms

130ms

221ms

The Memorex F16 was one of the fastest CD-ROM readers of all the drives tested. The Memorex F16 did not impress us with the seek times, since it reported the highest numbers compared to the other drives.

CD-Recordable Discs:

For this test we made a copy of the original Canon Digital Camera Solution CD. The disc we used was a Verbatim 48X certified CD-R disc manufactured by Mitsubishi Chemicals Corporation.

 

There were no problems reading the CD-R disc copy and it had no problems reaching near 48x. The usual comparison table is found below.

CD-R
Discs

Average
Read
Speed

Start
 Read 
Speed

End
 Read 
Speed

Seek
Times
 Random

Seek
 Times 
1/3

Seek
 Times 
Full

Lite-On

LDW-411S

30.62x

18.06x

40.37x

107ms

138ms

203ms

BenQ

DW822A

32.24x

18.46x

42.40x

97ms

110ms

161ms

NEC

ND-2510A

30.59x

17.91x

40.32x

117ms

119ms

169ms

Lite-On

SOHW-1633S

36.54x

21.42x

48.13x

123ms

153ms

229ms

Mad Dog

MD-16XDVD9

35.49x

20.74x

46.78x

125ms

131ms

189ms

Memorex
F16

36.39x

21.63x

47.96x

127ms

155ms

231ms

The Memorex F16 achieved excellent reading speeds with the CD-R disc. But once again, the seek times were higher than the other drives.

CD-ReWritable discs:

We made a copy of the original Canon disc, this time we used a Verbatim High Speed (12X) CD-RW disc made by Mitsubishi Chemicals Corporation.

 

The drive reads CD-RW discs slightly above 32x speed, to see how this compares to other drives; look below:

CD-RW
Discs

Average
Read
Speed

Start
 Read 
Speed

End
 Read 
Speed

Seek
Times
 Random

Seek
 Times 
1/3

Seek
 Times 
Full

Lite-On

LDW-411S

25.23x

14.66x

33.41x

106ms

135ms

210ms

BenQ

DW822A

32.88x

18.43x

43.43x

96ms

107ms

165ms

NEC

ND-2510A

25.98x

14.94x

34.40x

119ms

122ms

185ms

Lite-On

SOHW-1633S

24.22x

13.98x

32.07x

124ms

149ms

234ms

Mad Dog

MD-16XDVD9

25.92x

14.93x

34.33x

126ms

135ms

200ms

Memorex
F16

24.15x

14.02x

31.97x

128ms

158ms

238ms

The Memorex F16 performed average with CD-RW reading speeds. It can't compete with the drives that read CD-RW discs at full speed, such as the BenQ DW822A. We also once again notice the higher seek times.

Audio - Digital Audio Extraction:

To test the digital audio extraction performance of the Memorex F16, we again used Nero CD/DVD-Speed to measure the transfer rate. The audio disc we used is approximately 74 minutes long (74:02:70).

 

This drive is able to read Audio CDs at full speed! Let us compare the results with other drives:

Audio
Discs

Average
Read
Speed

Start
 Read 
Speed

End
 Read 
Speed

Seek
Times
 Random

Seek
 Times 
1/3

Seek
 Times 
Full

Lite-On

LDW-411S

30.84x

18.07x

39.28x

109ms

120ms

192ms

BenQ

DW822A

32.55x

15.25x

43.14x

102ms

118ms