Intel DG35EC: G35 mainstream mATX board

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TEST RESULTS

Our test system is fairly basic, featuring a notebook hard drive and Blu-ray drive. The CPU is a Core 2 Duo E6400, an older processor with modest power requirements (65W). It is cooled by an Arctic Cooling Alpine 7 Pro CPU cooler connected to a variable DC fan controller (so the fan's power draw does not come into play).

Test Results: Intel DG35EC
Test State
CPU Usage
System Power (AC)
Mean
Peak
Off
N/A
2W
Sleep (S3)
N/A
3W
Idle
1%
2%
58W
Rush Hour
34%
54%
~68W
Coral Reef
29%
41%
~66W
Flight Sim.
44%
57%
~74W
Drag Race
51%
61%
~72W
Prime95
100%
105W
Prime95 + ATITool
100%
106W

Like the previous G35 board we tested, the Asus P5E-VM HDMI, the DG35EC blew through our video playback test with flying colors. We experienced no problems during video playback, and our toughest clip produced a mean CPU usage of only 51%, so the processor performed this task with one hand tied behind its back. Power consumption was a bit high, however, idling at 58W, and topping out at well past 100W on full load.

LGA775 Comparisons
Test State
Intel DG35EC
Asus P5E-VM HDMI
Zotac NF610i-ITX
Mean CPU Usage
System Power
Mean CPU Usage
System Power
Mean CPU Usage
System Power
Off
N/A
2W
N/A
3W
N/A
2W
Sleep
N/A
3W
N/A
4W
N/A
48W
Idle
1%
58W
1%
56W
1%
50W
Rush Hour
34%
~68W
36%
~65W
33%
~61W
Coral Reef
29%
~66W
29%
~64W
28%
~58W
Flight Sim.
44%
~74W
47%
~71W
46%
~70W
Drag Race
51%
~72W
54%
~69W
55%
~65W
Prime95
100%
105W
100%
96W
100%
102W
Prime95 + ATITool
100%
106W
100%
97W
100%
103W

Compared to the Asus P5E-VM HDMI and the Zotac NF610i-ITX, the CPU load during high definition playback was almost identical. The other boards were more energy efficient in every test state (except the NF610i in sleep mode due to its lack of S3 standby capability). The NF610i-ITX was the most efficient at low-level load, and the P5E-VM was the most efficient at high load.

The Asus P5E-VM does have a newer, more advanced, and presumably more efficient southbridge than the Intel (ICH9R vs. ICH8) which may account for some of the difference, but at heavy load, a 10W difference suggests poorer power regulation.



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