Zotac GeForce 8200-ITX WiFi: A Compact AM2 Solution

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Overclocking

With very effective third party heatsinks on the market, and many low power CPUs available, overclocking can improve performance without compromising the noise level of a silent PC.

A simple overclocking investigation was conducted after lowering the HT multiplier and RAM frequency, and moderately increasing the RAM voltage. The CPU frequency was increased in increments of 5MHz/10MHz until the system failed a 5 minute run of Prime95 with ATITool 3DView running simultaneously, failed to boot, or showed other signs of instability. We then maximized the multiplier and increased the CPU voltage to a stable level for our final overclock.


Maximum overclock.

The highest stable bus frequency we achieved was 340MHz — a 70% overclock straight-out-of-the-box without an increase in chipset voltage. At higher frequencies, the system reported a graphics driver failure, suggesting that the IGP couldn't handle the extra frequency. At this bus speed, the CPU was stable with an 8.5 multiplier, resulting in a final CPU frequency of 2.89GHz.

3D Performance

To get a rough estimate of how well the GeForce 8200-ITX's onboard video plays games, we ran 3DMark05/06. As synthetic benchmarks they have limited value, but they give a rough idea of how well it performs.

3D Performance: Futuremark Comparison
Motherboard
Graphics
3DMark05
3DMark06
Asus M2A-VM HDMI
X1250
1060
286
Gigabyte MA74GM-S2
X2100
1124
305
Zotac GeForce 8200-ITX
GF8200
1623
869
Asus M3N78 Pro
GF8300
1669
902
Asus P5Q-EM
GMA X4500
1708
1092
Gigabyte MA78GM-2SH
HD 3200
2293
1116
Gigabyte MA78GM-2SH
HD 3450
(Discrete)
3405
1716
Asus P5N7A-VM
GF9300
3497
1776
All results with 2GB of system RAM and 256MB of VRAM assigned (if applicable). Intel (E7200) systems in blue, AM2 (X2 4850e) systems in green.

No surprises here. As GeForce 8200 is simply a slower-clocked version of GeForce 8300, the results fell slightly behind the GeForce 8300-equipped Asus M3N78 Pro.



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