Schede Tecniche

Abbiamo messo alla prova due offerte di Sapphire, la silenziosa Radeon 9800 Ultimate Pro e la potente 9800 XT. A rappresentare NVIDIA, due schede di Sparkle: una basata sull'interessante NVIDIA GeForce 5700 Ultra, l'altra su GeForce 5950 Ultra. Vi guidiamo all'acquisto con decine di foto e una manciata di benchmark, a voi la scelta!

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a cura di Andrea Ferrario

Editor in Chief

Schede Tecniche

  Sapphire Radeon 9800 PRO 256 Sapphire Radeon 9800 XT Sparkle GeForceFX 5700 Ultra Sparkle GeForceFX 5950 Ultra
Nome in codice R350 R360 NV36 NV38
Tecnologia Chip 256-bit 256-bit 256-bit 256-bit
Processo 0.15 Micron 0.15 Micron 0.13 Micron 0.13 Micron
Transistor 107 Million (?) 107 Million 82 Million 130 Million
Memory Bus 256-bit DDR 256-bit DDR/DDR2 128-bit DDR 256-bit DDR
Memory Bandwidth 22.4 GB/s 23.4 GB/s 14.4 GB/s 30.4 GB/s
Pixel Fillrate 3.04 Gigapixel/s 3.04 Gigapixel/s - Texelrate (Color+Z): 1800 texel/s

- Z-rate (Z): 3600/s

- Stencilrate: 3600/s

- Texturerate: 3600/s

- Texelrate (Color+Z): 1900 texel/s

- Z-rate (Z): 3800/s

- Stencilrate: 3800/s

- Texturerate: 3800/s

Max FSAA Mode 6x 6x 4x 4x
Triangle Transform Rate 380 M Triangles/s 412 M Triangles/s 356 M Triangles/s 356 M Triangles/s
AGP Bus 2x/4x/8x 2x/4x/8x 2x/4x/8x 2x/4x/8x
Memory 256MB 256MB 128/256MB 128/256MB
GPU Clock 380 MHz 412 MHz 475 MHz 475 MHz
Memory Clock 350 MHz (700 DDR) 365 MHz (730 DDR) 450 MHz (900 DDR) 475 MHz (950 DDR)
Memory

(on reference board)

  Hynix BGA specified for 400 MHz    
Vertex Shader 4 4 1 Array FP Array
Pixel Pipelines 8 8 4 16
Texture Units Per Pipe 1 1 1 1
Textures per Texture Unit 8 8 16 16
Vertex S. Version 2 2 2.0 2.0
Pixel S. Version 2 2 2.0 2.0
DirectX Generation 9 9 9 9
FSAA Modi MultiSampling MultiSampling MultiSampling MultiSampling
Memory Optmizations Hyper Z III+ Hyper Z III+ LMA II Optimized

Color Compression

LMA II Optimized

Color Compression

Optmizations SmartShader 2.1

SmoothVision 2.1

SmartShader 2.1

SmoothVision 2.1

IntelliSample HCT IntelliSample HCT
Display Outputs 2 2 2 2
Chip Internal Ramdacs 2 x 400 MHz 2 x 400 MHz 2 x 400 MHz 2 x 400 MHz
Chip External Ramdacs - - - -
Bits per Color Channel 10 10 10 10
Special TV Encoder On-Chip; FullStream

Adaptive Filtering

F-Buffer

TV Encoder On-Chip; FullStream

Adaptive Filtering

F-Buffer

TV Encoder On-Chip;

Adaptive Filtering

TV Encoder On-Chip; Extended Progammability

Adaptive Filtering

UltraShadow

Prezzo di lancio €499 € 499 € 230 € 499