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TEST RESULTS
AC Power Draw
|
System Power
|
|
Test State
|
ThinkCentre M90p
|
ThinkCentre M58p
|
ThinkStation E20
|
|
Off
|
1W
|
2W
|
1W
|
|
Sleep
|
3W
|
8W
|
1W
|
|
Idle
|
27W
|
41W
|
40W
|
|
x264 Playback
|
44W
|
|
56W
|
|
CPU Load
|
92W
|
97W
|
95W
|
|
CPU + GPU
Load
|
96W
|
|
115W
|
The M90p is a big improvement over the M58p when it comes to idle power, beating
it by 14W, a 34% improvement. It also is more frugal on load, when asleep and
turned off altogether. Given how much performance it packs, its energy efficiency
is superb.
The ThinkStation E20 tower which has a similar processor to the M90p actually
runs neck and neck with the older M58p despite because its power consumption
is hampered by a Nvidia Quadro graphics card.
Performance
|
Performance Benchmarks
|
|
Model
|
Lenovo
M58p†
|
Lenovo
M90p
|
Lenovo
E20
|
|
CPU
|
C2D E8400
|
Core i5-660
|
Core i5-650
|
|
GPU
|
GMA X4500
|
GMA HD
|
Quadro FX 580
|
|
RAM
|
2 x 1GB DDR2
|
2 + 1GB DDR3
|
2 x 2GB DDR3
|
|
Boot-up*
|
|
0:45
|
1:01
|
|
NOD32
|
|
|
4:28
|
59W
|
4:43
|
68W
|
|
WinRAR
|
2:56
|
67W
|
3:33
|
51W
|
3:36
|
64W
|
|
iTunes
|
4:22
|
67W
|
2:51
|
60W
|
3:07
|
69W
|
|
TMPGEnc
|
5:10
|
78W
|
3:17
|
71W
|
3:24
|
84W
|
|
PCMark05
|
6428
|
7623
|
9352
|
|
3DMark05
|
|
2986
|
10635
|
|
3DMark06
|
1164
|
1483
|
5189
|
|
†running Vista
*start button to when the desktop loads fully
|
While the M58p has fairly fast processor in the Core 2 Duo E8400, it is no
match for a Core i5. The M90p and ThinkStation
E20 both hand the M58p a resounding defeat in every test except file
archiving with WinRAR. The M90p also used less power during the tests than both
of the other machines.
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