ATI Radeon 9800 XT

NVIDIA GeForceFX 5950 Ultra

NVIDIA GeForceFX 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

256MB

128/256MB

128/256/512MB

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

 Samsung 600MHz 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

MultiSampling
SuperSampling Mixed Mode

MultiSampling
SuperSampling Mixed Mode

Memory Optmizations

Hyper Z III+

LMA II Optimized
Color Compression

LMA III Optimized
Color Compression

Optmizations

SmartShader 2.1
SmoothVision 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; FullStream
Adaptive Filtering
F-Buffer

TV Encoder On-Chip; Extended Progammability
Adaptive Filtering
UltraShadow

Video Processor and TV Encoder On-Chip; Extended Progammability
Adaptive Filtering, True Trilinear Filtering,
UltraShadow

Launch price

$499 (old launch price)

$499 (old launch price)

$499

Street price

~ $365

~ $379

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