NVIDIA GeForce 8800 Ultra vs ATI Radeon X800 GTO AGP

VS

NVIDIA GeForce 8800 Ultra

ATI Radeon X800 GTO AGP

We compared two Desktop platform GPUs: 768MB VRAM GeForce 8800 Ultra and 256MB VRAM Radeon X800 GTO AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8800 Ultra 's Advantages

More VRAM (768GB vs 256GB)

Larger VRAM bandwidth (103.7GB/s vs 31.36GB/s)

128 additional rendering cores

ATI Radeon X800 GTO AGP 's Advantages

Released 6 months late

Lower TDP (49W vs 171W)

Score

GeForce 8800 Ultra

VS

Radeon X800 GTO AGP

Graphics Card

May 2007

Release Date

Nov 2007

GeForce 8

Generation

Radeon R400 AGP

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

1080 MHz

Memory Clock

490 MHz

Memory

768MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

384bit

Memory Bus

256bit

103.7GB/s

Bandwidth

31.36GB/s

Render Config

-

16

SM Count

-

128

Shading Units

-

32

TMUs

12

24

ROPs

12

-

96 KB

L2 Cache

-

Theoretical Performance

14.69 GPixel/s

Pixel Rate

4.800 GPixel/s

39.17 GTexel/s

Texture Rate

4.800 GTexel/s

-

387.1 GFLOPS

FP32 (float)

-

Board Design

171W

TDP

49W

450 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

1x Molex

Graphics Processor

G80

GPU Name

R420

G80-450-A3

GPU Variant

R420 GTO

Tesla

Architecture

R400

TSMC

Foundry

TSMC

90 nm

Process Size

130 nm

0.681 billion

Transistors

0.16 billion

484 mm²

Die Size

281 mm²

Graphics Features

11.1 (10_0)

DirectX

9.0b (9_2)

3.3

OpenGL

2.1

1.1 (1.0)

OpenCL

N/A

Vulkan

N/A

1.0

CUDA

-

4.0

Shader Model

-

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