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Asus EN7900GT TOP/2DHT/256M/A Videocard Review

Asus EN7900GT TOP/2DHT/256M/A Videocard Review - PCSTATS
Abstract: The 256MB Asus EN7900GT TOP/2DHT/256M/A videocard is compatible only with PCI Express x16 slots so that means AGP users needs to get their fix elsewhere.
 85% Rating:   
Filed under: Video Cards Published:  Author: 
External Mfg. Website: ASUS Sep 23 2006   Max Page  
Home > Reviews > Video Cards > ASUS EN7900GT TOP/2DHT/256M/A

Overclocking a preoverclocked card

Overclocking Results:
Stock Overclocked
GPU (Core) Speed: 520 MHz 561 MHz
Memory Speed: 1440 MHz 1510 MHz
If you're new to Overclocking and not sure what to do, check out these two excellent Guides for some pointers:
Overclocking the CPU and Memory
Overclocking the Videocard

The Asus EN7900GT TOP/2DHT/256M/A comes factory overclocked to 520 MHz core and 1.44 GHz memory. This is up from 450 MHz core/1.3 GHz memory on stock GeForce 7900GT videocards. That is already a pretty healthy overclock on both the core and memory, but let's see how much further it can go....

Starting with the core first, its speed was increased in 3-5 MHz intervals. The 'G71' core didn't play well with Coolbits and often complained about the videocard being overclocked too high. After using my personal voodoo, and chanting "core overclock be good!" several times, the GeForce 7900GT core settled on a top speed of 561 MHz. Anything higher and Coolbits simply wouldn't allow it. It's a shame because the 'G71' core felt like it had more speed in it. Oh well, next up is the 256MB of GDDR3 memory.

Like the core, the Geforce 7900GT's GDDR3 memory is already pretty heavily overclocked running at 1.44 GHz. Going up at in 6-10 MHz intervals, the memory was able to crack the 1.5 GHz barrier but did not go much past that. The top speed was 1.51 GHz. Considering a stock GeForce 7900GT's memory runs at 1.3 GHz though, and that the Asus videocard is already running 1.44 GHz, that's not a bad memory overclock either.

The GeForce 7900GT core and 256MB of GDDR3 memory did not have any issues running at their respective maximum speeds. At stock speeds the Asus EN7900GT TOP/2DHT/256M/A is already a pretty fast videocard but when overclocked blows the doors off everything else except the GeForce 7900GTX. As you're just about to see, this makes quite a nice impact in the gaming benchmarks.

Experts Tip: Uninstalling Drivers For Coolbits

For some reason, when the Coolbits registry hack is entered in to the Windows registry the nVIDIA overclocking plane still does not appear. If this happens to you, instead of rummaging through the registry the best thing to do is to uninstall the drivers completely then reinstall. Please note that reinstalling drivers on top of the installed set often does not fix this issue, drivers need to be completely removed from the computer first. After that's done, install the Coolbits registry hack and overclocking will be available again.

Comments and Feedback? Suggest a Tweak.

Prelude to Benchmarks

The details of how the Asus EN7900GT TOP/2DHT/256M/A test system was configured for benchmarking; the specific hardware, software drivers, operating system and benchmark versions are indicated below. In the second column are the general specs for the reference platforms this GeForce 7900GT based videocard is to be compared against. Please take a moment to look over PCSTATS test system configurations before moving on to the individual benchmark results on the next page.

PCSTATS Test System Configurations
Test System Reference System
Processor:

AMD Athlon64 4000+

Clock Speed:

12 x 200 MHz = 2.4 GHz

Motherboards:

Asus A8N-SLI Premium (NF4 SLI)

Videocard: Asus EN7900GT TOP/2DHT/256M/A

Asus EAX1900XTX/2DHTV/512M/A
MSI RX1800XT-VT2D512E
Gigabyte GV-RX18L256V-B
ATi Radeon X850 XT PE
MSI RX800XT-VTD256E
ATi Radeon X800 XL
PowerColor X700 PRO
MSI NX7900GTX-T2D512E
MSI NX7800GTX-VT2D512E
MSI NX7800GTX-VT2D256E (Single Mode)
MSI NX7800GTX-VT2D256E (SLI Mode)
Asus EN7800GT 2DHTV/256M/OSP/A (Single Mode)
Asus EN7800GT 2DHTV/256M/OSP/A (SLI Mode)
MSI NX6800GT-T2D256E
MSI NX6600GT-TD128E (Single Mode)
MSI NX6600GT-TD128E (SLI Mode)

Memory:

2x 512MB OCZ Gold GX PC3500 DDR

Hard Drive: 74GB Western Digital Raptor WD740
CDROM: AOpen Combo 52x
PowerSupply: PC Power & Cooling TurboCool 510 SLI
Heatsink: Athlon64 4000+ Reference Heatsink
Software Setup:

Microsoft WindowsXP SP2
nVIDIA Forceware 6.70
nVIDIA Forceware 84.21
ATI Catalyst 6.2

Benchmarks:

3DMark05
3DMark06
AquaMark3
FarCry
Splinter Cell: Chaos Theory
Doom 3
FEAR
Quake 4
X3: Reunion

AA+AF Benchmarks
FarCry
FEAR
Doom 3

< Previous Page © 2017 PCSTATS.com Next Page >

 

Contents of Article: ASUS EN7900GT TOP/2DHT/256M/A
 Pg 1.  Asus EN7900GT TOP/2DHT/256M/A Videocard Review
 Pg 2.  nVidia GeForce 7900GT Technology
 Pg 3.  XHD Gaming and PureVideo
 Pg 4.  — Overclocking a preoverclocked card
 Pg 5.  Benchmarks: 3DMark05
 Pg 6.  Benchmarks: 3DMark06
 Pg 7.  Benchmarks: AquaMark3
 Pg 8.  Benchmarks: FarCry
 Pg 9.  Benchmarks: Splinter Cell: Chaos Theory
 Pg 10.  Benchmarks: Doom 3
 Pg 11.  Benchmarks: Quake 4
 Pg 12.  Benchmarks: FEAR
 Pg 13.  Benchmarks: X3: Reunion
 Pg 14.  Advanced Benchmarks: FarCry, Doom 3
 Pg 15.  Advanced Benchmarks: FEAR and Conclusions

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