NVIDIA GeForce 8800 Ultra vs ATI Radeon HD 2950 XTX

VS

NVIDIA GeForce 8800 Ultra

ATI Radeon HD 2950 XTX

We compared two Desktop platform GPUs: 768MB VRAM GeForce 8800 Ultra and 512MB VRAM Radeon HD 2950 XTX 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 512GB)

Larger VRAM bandwidth (103.7GB/s vs 72.06GB/s)

ATI Radeon HD 2950 XTX 's Advantages

192 additional rendering cores

Lower TDP (110W vs 171W)

Score

Benchmark

FP32 (float)

GeForce 8800 Ultra

0.387 TFLOPS

Radeon HD 2950 XTX +28%

0.497 TFLOPS

GeForce 8800 Ultra

VS

Radeon HD 2950 XTX

Graphics Card

May 2007

Release Date

Unknown

GeForce 8

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1080 MHz

Memory Clock

1126 MHz

Memory

768MB

Memory Size

512MB

GDDR3

Memory Type

GDDR4

384bit

Memory Bus

256bit

103.7GB/s

Bandwidth

72.06GB/s

Render Config

-

Compute Units

4

16

SM Count

-

128

Shading Units

320

32

TMUs

16

24

ROPs

16

-

96 KB

L2 Cache

256 KB

-

Theoretical Performance

14.69 GPixel/s

Pixel Rate

12.43 GPixel/s

39.17 GTexel/s

Texture Rate

12.43 GTexel/s

-

387.1 GFLOPS

FP32 (float)

497.3 GFLOPS

-

FP64 (double)

99.46 GFLOPS

Board Design

171W

TDP

110W

450 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

G80

GPU Name

RV670

G80-450-A3

GPU Variant

RV670 XTX (215-0708004)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

90 nm

Process Size

55 nm

0.681 billion

Transistors

0.666 billion

484 mm²

Die Size

192 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1 (1.0)

OpenCL

N/A

Vulkan

N/A

1.0

CUDA

-

4.0

Shader Model

4.1

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