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Albatron GeForce 7800GTX Videocard Review
Albatron GeForce 7800GTX Videocard Review - PCSTATS
Usually, the newest generation of videocards are only marginally faster than the previous, but this time around the nVidia GeForce 7800 GTX blows the doors off of everything else.
 93% Rating:   
Filed under: Video Cards Published:  Author: 
External Mfg. Website: Albatron Aug 01 2005   C. Sun  
Home > Reviews > Video Cards > Albatron 7800GTX

Overclocking the 7800GTX Videocard

Overclocking Results:
stock overclocked
gpu (core) speed: 430 MHz 479 MHz
Memory Speed: 1200 MHz 1347 MHz

Just because PCSTATS is testing the fastest videocard on the market doesn't mean it's going to be spared the overclocking tests. ;-)

This is the first GeForce 7800 GTX videocard to make it by the test bench, so it will be interesting to see what nVidia has in store for enthusiasts...

Remember, the Geforce 7800GTX core is clocked at 430 MHz, and memory at 1200MHz by default, so how much further can we push things?

Let's find out by increasing the speed of the GPU first, in 5 MHz intervals all the way to 500 MHz. Well... it almost reached that point, unfortunately the highest the core would run by itself was 497 MHz, anything higher and the RivaTuner would complain about it not passing the driver test. I actually was expecting more from the 0.11 micron TSMC core, but it looks as though we'll have to wait and see what the future has in store.

The Albatron GeForce 7800 GTX uses Samsung GC16 GDDR3 BGA DRAM modules with a 1.6 ns rating. The memory hums along at a speed of 1200 MHz by default, so we increased its pace in 10 MHz jumps; 1250, 1260 and 1270 MHz fell by the wayside easily enough. The 1300 MHz mark was also cracked quickly before the Samsung GDDR3 topped out at 1390 MHz, or 1.39GHz. Attempts at higher memory speeds caused RivaTuner to complain about "failing hardware" tests.

While overclocking the clock speed of the core and memory independently is quite easy to do, getting the two to run overclocked together is a whole other story. I did try running both the Albatron 7800GTX's core and memory at the maximum overclocked speeds, but that only produced a screen full of artifacts. After much frustration, I found that I had to lower both the core and memory speed quite significantly. Stability required the core to drop down to 479 MHz and the memory to fall back 1347 MHz.

I suspect that better cooling would have helped, which is almost always the case when overclocking. While running overclocked, the memory heatspreader on the back of the 7800GTX videocard was too hot to touch, and the core was running around 73 degrees Celsius! Still, the reference card based Albatron GeForce 7800GTX produced pretty good overclocking results.

PCStats Test System Specs:

amd athlon64 4000+

clock speed:

12 x 200 mhz = 2.4 ghz


dfi lanparty nf4 sli-dr (nf4-sli)


msi rx850xt-td256e
msi rx800xt-vtd256e
ati radeon x800 xl
powercolor x700 pro
powercolor bravo x700
geforce 7800 gtx sli
gigabyte gv-nx78x256v-b
msi nx6800gt-t2d256e
msi nx6800-td128e (single)
msi nx6800-td128e (sli mode)
gigabyte gv-3d1 (single mode)
gigabyte gv-3d1 (sli mode)
msi nx6600gt-td128e (single mode)
msi nx6600gt-td128e (sli mode)
msi nx6200tc-td32e
albatron geforce 7800 gtx


2x 512mb mushkin pc3200 l2 v2

hard drive: 74gb wd raptor 10k rpm sata hdd
cdrom: aopen 52x combo
powersupply: seasonic super tornado 400w
heatsink: prometeia mach ii gt (review)
Software Setup

WindowsXP Build 2600
Catalyst 5.7
Detonator 77.72


Gun Metal 2
X2 The Threat

AA Test, AF and AA+AF Test

The AGP and PCI-E systems use a different motherboard but results are shown for reference. Unfortunately there are no AquaMark3 numbers for this review, we could not get the benchmark working.

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Contents of Article: Albatron 7800GTX
 Pg 1.  Albatron GeForce 7800GTX Videocard Review
 Pg 2.  GeForce 7800 GTX Technology
 Pg 3.  CineFX4.0/Shader Model 3.0
 Pg 4.  Image Quality Tests
 Pg 5.  — Overclocking the 7800GTX Videocard
 Pg 6.  Benchmarks: 3DMark2001, 3DMark05
 Pg 7.  Benchmarks: CodeCreatures
 Pg 8.  Benchmarks: ShaderMark 2.1
 Pg 9.  Benchmarks: ShaderMark 2.1 (Continued)
 Pg 10.  Benchmarks: D3D RightMark, Gun Metal 2
 Pg 11.  Benchmarks: X2: The Threat
 Pg 12.  Benchmarks: UT2003
 Pg 13.  Benchmarks: Doom 3
 Pg 14.  Advanced Benchmarks: 3DMark2001, X2: The Threat, Doom3
 Pg 15.  Benchmarks: SLI-AntiAliasing
 Pg 16.  Albatron GeForce 7800GTX = Fast!!!

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