get the X1900XT 256MB surely
the X1900GT 256MB is only slightly slower than the X1800XT 512MB ,faster than the 7900GT
and the 7900GTX's Shader Operations/per sec is only half of the X1900XT
that's why X1900XT be always faster in the HDR games
the X1900XT 256MB can beat both the 7900GTO512 and the 7900GTX 512MB
1900GT
Core Clock: 575 MHz
Memory Clock: 600 MHz (1200 DDR)
Memory Bandwidth: 38.4 GB/sec
Shader Operations: 20700 Operations/sec
Pixel Fill Rate: 6900 MPixels/sec
Texture Fill Rate: 6900 MTexels/sec
Vertex Operations: 1150 MVertices/sec
Fragment Pipelines: 36 (12x3)
Vertex Pipelines: 8
Texture Units: 12
Raster Operators 12
3Dmark03---------------14565
3Dmark05----------------8494
7900GS
Core Clock: 450 MHz
Memory Clock: 660 MHz (1320 DDR)
Memory Bandwidth: 42.24 GB/sec
Shader Operations: 9000 Operations/sec
Pixel Fill Rate: 7200 MPixels/sec
Texture Fill Rate: 9000 MTexels/sec
Vertex Operations: 787.5 MVertices/sec
Memory Clock: 660 MHz (1320 DDR)
Fragment Pipelines: 20
Vertex Pipelines: 7
Texture Units: 20
Raster Operators 16
3Dmark03---------------15473
3Dmark05----------------7435
7800GTX
Core Clock: 430 MHz
Memory Clock: 600 MHz (1200 DDR)
Memory Bandwidth: 38.4 GB/sec
Shader Operations: 10320 Operations/sec
Pixel Fill Rate: 6880 MPixels/sec
Texture Fill Rate: 10320 MTexels/sec
Vertex Operations: 860 MVertices/sec
Fragment Pipelines: 24
Vertex Pipelines: 8
Texture Units: 24
Raster Operators 16
3Dmark03---------------16373
3Dmark05----------------7763
X1800XT
Transistors: 321 million
Core Clock: 625 MHz
Memory Clock: 750 MHz (1500 DDR)
Memory Bandwidth: 48 GB/sec
Shader Operations: 10000 Operations/sec
Pixel Fill Rate: 10000 MPixels/sec
Texture Fill Rate: 10000 MTexels/sec
Vertex Operations: 1250 MVertices/sec
Fragment Pipelines: 32 (12x3)
Vertex Pipelines: 8
Texture Units: 16
Raster Operators 16
3Dmark03---------------15345
3Dmark05----------------9203
7900GTO
Core Clock: 650 MHz
Memory Clock: 660 MHz (1320 DDR)
Memory Bandwidth: 42.24 GB/sec
Shader Operations: 15600 Operations/sec
Pixel Fill Rate: 10400 MPixels/sec
Texture Fill Rate: 15600 MTexels/sec
Vertex Operations: 1300 MVertices/sec
Fragment Pipelines: 24
Vertex Pipelines: 8
Texture Units: 24
Raster Operators 16
3Dmark03---------------20592
3Dmark05---------------10145
7900GTX
Core Clock: 650 MHz
Memory Clock: 800 MHz (1600 DDR)
Memory Bandwidth: 51.2 GB/sec
Shader Operations: 15600 Operations/sec
Pixel Fill Rate: 10400 MPixels/sec
Texture Fill Rate: 15600 MTexels/sec
Vertex Operations: 1300 MVertices/sec
Fragment Pipelines: 24
Vertex Pipelines: 8
Texture Units: 24
Raster Operators 16
3Dmark03---------------21845
3Dmark05---------------10897
X1900XT
Core Clock: 625 MHz
Memory Clock: 725 MHz (1450 DDR)
Memory Bandwidth: 46.4 GB/sec
Shader Operations: 30000 Operations/sec
Pixel Fill Rate: 10000 MPixels/sec
Texture Fill Rate: 10000 MTexels/sec
Vertex Operations: 1250 MVertices/sec
Fragment Pipelines: 48
Vertex Pipelines: 8
Texture Units: 16
Raster Operators 16
3Dmark03---------------18458
3Dmark05---------------11473












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