ELSA GLADIAC 970 GT 256MB vs NVIDIA GeForce 7800 GT

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Theoretical performance comparison

Each graphics card has several vital theoretical parameters that influence real-world game, 3D graphics and compute performance. These are texture fillrate, pixel fillrate, memory bandwidth, single- and double-precision performance. Below we explain why these characteristics are important and which card has better specs.

Pixel fill rate (gigapixels/s)

8
6.4
4.8
3.2
1.6
0		  
 
6.4
  
6.4
  
 
Higher is better
Pixel fillrate number shows how many pixels a graphics card can draw on screen and off screen. Higher numbers allow graphics cards to support higher maximum display resolutions and frame rates. The maximum theoretical pixel fillrate is calculated as the number of ROPs, multiplied by graphics clock. Since both characteristics are identical between graphics cards, their pixel fillrate is also equal.
  - ELSA GLADIAC 970 GT 256MB
  - NVIDIA GeForce 7800 GT

Texture fill rate (gigatexels/s)

9
7.2
5.4
3.6
1.8
0		  
 
8
  
8
  
 
Higher is better
Two factors, that affect the maximum theoretical texture fillrate, are graphics clock rate and the number of TMUs (Texture Mapping Units). Both models have the same number of TMUs and the same graphics frequency, as a result their texture fillrate is identical.

Vertex Fill rate (gigavertices/s)

0.8
0.64
0.48
0.32
0.16
0		  
 
0.7
  
0.7
  
 
Higher is better
 

Memory bandwidth (GB/s)

40
32
24
16
8
0		  
 
32
  
32
  
 
Higher is better
The GPUs have the same memory bandwidth.
  - ELSA GLADIAC 970 GT 256MB
  - NVIDIA GeForce 7800 GT

Specs comparison

All rows with different specifications or features are highlighted.

General information

Market segmentDesktop
ManufacturerELSANVIDIA
ModelGLADIAC 970 GT 256MBGeForce 7800 GT
Part numberGD970-256ERGT 
Based onNVIDIA GeForce 7800 GTN/A

Architecture / Interface

Die name 
Architecture 
Fabrication process 
Bus interface 

Cores / shaders

ROPs 
Pixel shader processors 
Pixel fill rate 
Vertex shader processors 
Vertex Fill rate 
Texture units 
Texture fill rate 

Clocks / Memory

Graphics clock400 MHz
Memory size256 MB
Memory typeGDDR3
Memory clock 
Memory interface width 
Memory bandwidth 

Other features

Maximum SLI options 

Better values / features are marked with green color, and worse values are in red color.


Detailed specifications:

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