Performance Leap: NVIDIA GeForce 6800 Ultra
Features
By Lars Weinand
published The GeForce Compared To The Rest Of Its Class
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Header Cell - Column 0 | ATI Radeon 9800 XT | NVIDIA GeForceFX 5950 Ultra | NVIDIA GeForce 6800 Ultra |
---|---|---|---|
Codename | R360 | NV38 | NV40 |
Chip Technology | 256-bit | 256-bit | 256-bit |
Process | 0.15 Micron | 0.13 Micron | 0.13 Micron |
Transistors | ~107 Million (?) | 130 Million | 222 Million |
Memory Bus | 256-bit GDDR | 256-bit GDDR | 256-bit GDDR3 |
Memory Bandwidth | 23.4 GB/s | 30.4 GB/s | 35.2 GB/s |
Pixel Fillrate | 3.04 Gigapixel/s | - Texelrate (Color+Z): 1900 texel/s- Z-rate (Z): 3800/s- Stencilrate: 3800/s- Texturerate: 3800/s | unknown |
Max FSAA Mode | 6x | 4x / 4xMS+2xSS | 4x / 4xMS+2xSS |
Triangle Transform Rate | 412 M Triangles/s | 356 M Triangles/s | 600 M Triangles/s |
AGP Bus | 2x/4x/8x | 2x/4x/8x | 2x/4x/8x |
Memory | 256 MB | 128/256 MB | 128/256/512 MB |
GPU Clock | 412 MHz | 475 MHz | 400 MHz |
Memory Clock | 365 MHz (730 DDR) | 475 MHz (950 DDR) | 550 MHz (1100 DDR) |
Memory(on reference board) | Hynix BGA specified for 400 MHz | Row 13 - Cell 2 | Samsung 600 MHz GDDR |
Vertex Shader | 4 | FP Array | 6 Units |
Pixel Pipelines | 8x1 | 4x2 / 8x0 | 16x1 / 32x0 |
Texture Units Per Pipe | 1 | 2 | 1 |
Textures per Texture Unit | 8 | 16 | unknown |
Vertex S. Version | 2 | 2.0 | 3.0 |
Pixel S. Version | 2 | 2.0 | 3.0 |
DirectX Generation | 9.0 | 9.0 | 9.0c |
FSAA Modi | MultiSampling | MultiSamplingSuperSampling Mixed Mode | MultiSamplingSuperSampling Mixed Mode |
Memory Optmizations | Hyper Z III+ | LMA II OptimizedColor Compression | LMA III OptimizedColor Compression |
Optmizations | SmartShader 2.1SmoothVision 2.1 | IntelliSample HCT | IntelliSample 3.0 |
Display Outputs | 2 | 2 | 2 |
Chip Internal Ramdacs | 2 x 400 MHz | 2 x 400 MHz | 2 x 400 MHz |
Chip External Ramdacs | - | - | - |
Bits per Color Channel | 10 | 10 | 10 |
Special | TV Encoder On-Chip; FullStreamAdaptive FilteringF-Buffer | TV Encoder On-Chip; Extended ProgammabilityAdaptive FilteringUltraShadow | Video Processor and TV Encoder On-Chip; Extended ProgammabilityAdaptive Filtering, True Trilinear Filtering,UltraShadow |
Launch price | $499 (old launch price) | $499 (old launch price) | $499 |
Street price | ~ $365 | ~ $379 | - |
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