Nero CD Speed v4.7.7.5 - DVD-ROM:

A little editorial note here. Like a CD-ROM, you will get different benchmark results depending on what kind of discs you are using. You are probably going to get varying results from a full data disc to a single layer movie disc. You're also going to get different results for single and dual layer discs.

The CD Speed website recommends using a single layer DVD-ROM disc with a capacity of at least 4GB. If you use a dual layer disc you probably won't get the best results because most DVD-ROM drives slow down to read them. Some even slow down to read single layer DVD-Video discs. To make a long story short, I am using a 4.37GB single layer, single sided disc for this test.

   Sony
DRU-840A
Samsung
SH-S203B
Lite-On
LH-20A1L
LG
GSA-H55L
Transfer Speed
Average:
Start:
End:

12.15x
6.73x
16.24x

12.13x
6.72x
16.21x

12.14x
5.36x
16.08x

12.00x
6.54x
16.05x
Seek Times
Random:
1/3:
Full:

96ms
116ms
185ms

96ms
113ms
186ms

94ms
106ms
166ms

119ms
148ms
215ms
CPU Usage
1x:
2x:
4x:
8x:

10%
8%
14%
27%

9%
6%
10%
20%

3%
7%
12%
86%

5%
9%
18%
34%

The DRU-840A performed very well when reading single layer DVD-ROM's. In our tests it started reading at 6.73x and reached a maximum transfer speed of 16.24x.Looking at the other scores, you can see that the drive's seek times were also quite good.

Nero CD Speed v4.7.7.5 - DVD-R, DVD-RW and DVD-RAM:

First, we'll look at the drive's DVD-R and DVD-RW reading performance. For this I made copies of our DVD-ROM test disc using some general use 4x DVD-R and 2x DVD-RW media from Verbatim and then ran our usual DVD read tests with CD Speed. For the DVD-RAM tests, media from Maxell was used. The results are below.


Verbatim DVD-R

   Sony
DRU-840A
Samsung
SH-S203B
Lite-On
LH-20A1L
LG
GSA-H55L
Transfer Speed
Average:
Start:
End:

12.18x
6.74x
16.28x

12.16x
6.72x
16.25x

12.18x
5.81x
16.28x

12.03x
6.59x
16.08x
Seek Times
Random:
1/3:
Full:

113ms
126ms
197ms

116ms
132ms
202ms

122ms
126ms
203ms

127ms
164ms
234ms
CPU Usage
1x:
2x:
4x:
8x:

12%
8%
15%
30%

11%
6%
12%
24%

4%
7%
23%
n/a

6%
10%
19%
36%


Verbatim DVD-RW

   Sony
DRU-840A
Samsung
SH-S203B
Lite-On
LH-20A1L
LG
GSA-H55L
Transfer Speed
Average:
Start:
End:

9.05x
5.00x
12.10x

9.03x
4.99x
12.08x

9.23x
5.08x
12.34x

9.13x
5.01x
12.20x
Seek Times
Random:
1/3:
Full:

121ms
132ms
208ms

122ms
137ms
213ms

124ms
134ms
273ms

133ms
182ms
265ms
CPU Usage
1x:
2x:
4x:
8x:

10%
8%
14%
27%

9%
6%
11%
20%

5%
9%
26%
n/a

6%
10%
19%
37%


Verbatim DVD-R DL

   Sony
DRU-840A
Samsung
SH-S203B
Lite-On
LH-20A1L
LG
GSA-H55L
Transfer Speed
Average:
Start:
End:

9.25x
5.14x
12.32x

9.23x
5.13x
12.30x

9.19x
5.07x
12.25x

9.08x
5.04x
12.11x
Seek Times
Random:
1/3:
Full:

122ms
127ms
201ms

122ms
137ms
206ms

121ms
130ms
204ms

154ms
193ms
266ms
CPU Usage
1x:
2x:
4x:

13%
9%
18%

12%
8%
15%

7%
99%
n/a

6%
10%
19%

The DRU-840A had no problems reading DVD-R, DVD-RW and DVD-R DL media. In our tests, the drive read DVD-R discs at 16x, and both DVD-RW and DVD-R DL media at a respectable 12x.


Maxell 12x DVD-RAM

   Sony
DRU-840A
Samsung
SH-S203B
Lite-On
LH-20A1L
LG
GSA-H55L
Transfer Speed
Average:
Start:
End:

10.22x
5.92x
12.05x

10.20x
5.91x
12.02x

10.23x
5.93x
12.00x

10.24x
5.93x
12.03x
Seek Times
Random:
1/3:
Full:

138ms
150ms
258ms

138ms
157ms
253ms

177ms
205ms
341ms

175ms
204ms
274ms
CPU Usage
1x:
2x:
4x:
8x:

10%
11%
16%
26%

15%
9%
12%
19%

13%
9%
15%
n/a

5%
10%
18%
36%

Sony's new drive has a maximum transfer speed of 12x when reading DVD-RAM discs. By looking at the screenshot you can see that it starts reading at 5.92x and accelerates, reaching 12x at the 2.7GB mark.

Nero CD Speed v4.7.7.5 - DVD+R and DVD+RW:

Next we'll look at the drive's DVD+R and DVD+RW reading performance. For this I made a copy of our DVD-ROM test disc using some 4x DVD+R and 2.4x DVD+RW media from Verbatim. I then ran our usual DVD read tests with CD Speed. The results are below.


Verbatim DVD+R

   Sony
DRU-840A
Samsung
SH-S203B
Lite-On
LH-20A1L
LG
GSA-H55L
Transfer Speed
Average:
Start:
End:

12.16x
6.73x
16.26x

12.14x
6.73x
16.23x

12.16x
5.77x
16.26x

12.04x
6.58x
16.11x
Seek Times
Random:
1/3:
Full:

113ms
124ms
201ms

114ms
132ms
202ms

119ms
132ms
212ms

127ms
162ms
244ms
CPU Usage
1x:
2x:
4x:
8x:

13%
8%
15%
31%

12%
6%
11%
23%

6%
7%
25%
90%

6%
10%
19%
37%


Verbatim DVD+RW

   Sony
DRU-840A
Samsung
SH-S203B
Lite-On
LH-20A1L
LG
GSA-H55L
Transfer Speed
Average:
Start:
End:

9.05x
5.01x
12.10x

9.03x
5.00x
12.08x

9.23x
5.10x
12.34x

9.13x
5.04x
12.20x
Seek Times
Random:
1/3:
Full:

121ms
136ms
203ms

122ms
137ms
205ms

140ms
159ms
263ms

138ms
184ms
268ms
CPU Usage
1x:
2x:
4x:
8x:

10%
8%
15%
27%

9%
6%
11%
21%

13%
10%
31%
98%

6%
10%
19%
36%

The DRU-840A's performance with DVD+R and DVD+RW media was very similar to what we saw with DVD-R and DVD-RW media.The drive read DVD+R discs at 16x and DVD+RW media at 12x.


Verbatim DVD+R DL

   Sony
DRU-840A
Samsung
SH-S203B
Lite-On
LH-20A1L
LG
GSA-H55L
Transfer Speed
Average:
Start:
End:

9.25x
5.14x
12.33x

9.23x
5.12x
12.30x

9.19x
5.02x
12.26x

9.09x
5.02x
12.11x
Seek Times
Random:
1/3:
Full:

126ms
139ms
204ms

122ms
134ms
204ms

112ms
119ms
190ms

153ms
186ms
273ms
CPU Usage
1x:
2x:
4x:

13%
9%
19%

12%
8%
15%

28%
7%
n/a

5%
10%
18%

Reading Verbatim's double layer DVD+R media wasn't an issue for Sony's new drive either. The DRU-840A started reading at 5.14x and reached a maximum transfer speed of 12.33x.

Nero CD Speed v4.7.7.5 - DVD-Video:

For these tests I am using the US version of Transformers: The Movie on DVD. The disc is over 4GB and single sided.

   Sony
DRU-840A
Samsung
SH-S203B
Lite-On
LH-20A1L
LG
GSA-H55L
Transfer Speed
Average:
Start:
End:

12.02x
6.63x
16.08x

12.00x
6.65x
16.05x

12.02x
5.36x
16.08x

6.03x
3.33x
8.07x
Seek Times
Random:
1/3:
Full:

96ms
112ms
184ms

95ms
112ms
181ms

94ms
106ms
165ms

126ms
153ms
217ms
CPU Usage
1x:
2x:
4x:
8x:

10%
8%
14%
28%

9%
5%
11%
22%

3%
7%
12%
86%

5%
9%
18%
38%

The DRU-840A didn't slow down very much when reading single layer DVD videos. It started out at about 6.63x and reached a maximum read speed of 16.08x. Sony's new drive was also fairly quick when reading dual layer discs. By looking at the screenshot below, you can see that the drive's transfer speeds peaked at about 12x.

To see how well the DRU-840A worked as a DVD player, I watched a few scenes from Transformers: The Movie and Star Wars: The Phantom Menace using Nero Showtime. The drive had no problems playing back these movies with either program and was fairly quiet.