NVIDIA GeForce 8800 Ultra vs ATI Radeon HD 2600 PRO

VS

NVIDIA GeForce 8800 Ultra

ATI Radeon HD 2600 PRO

We compared two Desktop platform GPUs: 768MB VRAM GeForce 8800 Ultra and 256MB VRAM ATI Radeon HD 2600 PRO 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 16.00GB/s)

8 additional rendering cores

ATI Radeon HD 2600 PRO 's Advantages

Lower TDP (35W vs 171W)

Score

Benchmark

FP32 (float)

GeForce 8800 Ultra +168%

0.387 TFLOPS

ATI Radeon HD 2600 PRO

0.144 TFLOPS

GeForce 8800 Ultra

VS

ATI Radeon HD 2600 PRO

Graphics Card

May 2007

Release Date

Jun 2007

GeForce 8

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1080 MHz

Memory Clock

500 MHz

Memory

768MB

Memory Size

256MB

GDDR3

Memory Type

DDR2

384bit

Memory Bus

128bit

103.7GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

3

16

SM Count

-

128

Shading Units

120

32

TMUs

8

24

ROPs

4

-

96 KB

L2 Cache

64 KB

-

Theoretical Performance

14.69 GPixel/s

Pixel Rate

2.400 GPixel/s

39.17 GTexel/s

Texture Rate

4.800 GTexel/s

-

387.1 GFLOPS

FP32 (float)

144.0 GFLOPS

-

Board Design

171W

TDP

35W

450 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

G80

GPU Name

RV630

G80-450-A3

GPU Variant

RV630 PRO (215CDBBKA15FG)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

90 nm

Process Size

65 nm

0.681 billion

Transistors

0.39 billion

484 mm²

Die Size

153 mm²

Graphics Features

11.1 (10_0)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3

1.1 (1.0)

OpenCL

N/A

Vulkan

N/A

1.0

CUDA

-

4.0

Shader Model

4.0

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