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Initial testing and impressions of the GTX 280 - PAGE 3
Kevin Spiess - Monday, June 16th, 2008

Impressions

Definitely a new generation of GPU powers the GTX 280, but appearance-wise, the GTX 280 is not a very far departure from recent NVIDIA models.

The dual-slot cooler is closely related to the one found on the 9800 GTX, and 8800 GTS 512. The fan is positioned on the far right of the board, beneath the power connectors. The fan is pretty good -- it runs at a high RPM, seems to push a good amount of air, and is audible, but not too loud. Similar to the 9800GX2, the back of the card has plastic covering over it. Also like the 9800GX2, the GTX 280 has a LED, visible on the bracket, which besides looking nice can help diagnose possible problems that might pop up over the life of the video card (such as, for example, if the card is not receiving enough power.)

The GTX 280, 9800 GTX, and 8800 GTS 512 share a similar design for the cooler, because the design works

Make no mistake: the GTX 280 is one big card indeed. Only out-done by the 9800GX2, the GTX 280 will surely hang off the end of your motherboard. As shown in the picture below, a 8800GT almost looks tiny when compared to the girth of the GTX 280.

Length comparison: XFX 8600 GTX, Palit 9600GT Sonic, GTX 280    Width comparison: XFX 8800 GT, GTX 280, Asus HD4870X2

The GTX 280 is capable of tri - SLI.  The SLI connectors are kept under a removable plastic covering.

Specifications

  9800 GTX

XFX 9800 GX2

8800 GTS 512MB

8800GT 512MB

 HD3870

HD 3850

HD3870X2

GTX 280

Processing Cores


128

 256 (128x2)

128

112

320

320

640

(320x2)


240

Core Clock


675

 600

650

600

775

668

825


602

Shader Clock


1688

 1500

1625

1500

775

668

825


1296

Memory Clock


2200

 2000

1940

1800

2250

1656

1800


2214

Memory Interface


256 bit

 512 bit (256x2)

256 bit

256 bit

256 bit

256 bit

512 bit (256x2)


512 bit   

Memory Type


512MB GDDR3

1024MB GDDR3

512MB GDDR3

512MB GDDR3

512MB GDDR4

512MB GDDR3

1024MB GDDR3


1024MB GDDR3

Memory Bandwidth (GB/s)


70.4

 124.0

62.08 

57.6

72.0

52.996

115.2

 141.7

Texture Fillrate (billion/sec)


43.2

 76.8

41.6

33.6

12.4

10.6

26.4

 72.0

Fabrication Process


65nm

65nm

65nm

65nm

55nm

55nm

55nm


65nm

 The GTX 280 has the following attributes:

  • DirectX 10.0 /  Shader Model 4.0 capable
  • 32 improved ROPS
  • 80 texture filling units
  • can manage 30,702 concurrent processing threads (in comparison, the 8800 GTX can handle 12,288)
  • improved Z-cull and compression which leads to better performance, especially at higher resolutions

Article Index

1.GTX 280
2.GTX 280: Overview of the latest generation
3.GTX 280: Impressions and specifications
4.Benchmarking Setup
5.3DMark06
6.Unreal Tournament 3
7.Bioshock
8.Crysis
9.Call of Juarez
10.Enemy Territory: Quake Wars
11.World In Conflict
12.Initial appraisal of the GTX 280

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