ATI Radeon HD 2600 XT Mac Edition vs NVIDIA GeForce 8800 Ultra

VS

ATI Radeon HD 2600 XT Mac Edition

NVIDIA GeForce 8800 Ultra

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 768MB VRAM GeForce 8800 Ultra to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2600 XT Mac Edition 's Advantages

Released 9 months late

Lower TDP (45W vs 171W)

NVIDIA GeForce 8800 Ultra 's Advantages

More VRAM (768GB vs 256GB)

Larger VRAM bandwidth (103.7GB/s vs 25.60GB/s)

8 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

GeForce 8800 Ultra +130%

0.387 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

GeForce 8800 Ultra

Graphics Card

Feb 2008

Release Date

May 2007

Radeon R600

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1080 MHz

Memory

256MB

Memory Size

768MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

384bit

25.60GB/s

Bandwidth

103.7GB/s

Render Config

3

Compute Units

-

SM Count

16

120

Shading Units

128

8

TMUs

32

4

ROPs

24

-

64 KB

L2 Cache

96 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

14.69 GPixel/s

5.600 GTexel/s

Texture Rate

39.17 GTexel/s

-

168.0 GFLOPS

FP32 (float)

387.1 GFLOPS

-

Board Design

45W

TDP

171W

200 W

Suggested PSU

450 W

2x DVI

Outputs

2x DVI 1x S-Video

None

Power Connectors

2x 6-pin

Graphics Processor

RV630

GPU Name

G80

-

GPU Variant

G80-450-A3

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

65 nm

Process Size

90 nm

0.39 billion

Transistors

0.681 billion

153 mm²

Die Size

484 mm²

Graphics Features

10.0 (10_0)

DirectX

11.1 (10_0)

3.3

OpenGL

3.3

N/A

OpenCL

1.1 (1.0)

N/A

Vulkan

N/A

-

CUDA

1.0

4.0

Shader Model

4.0

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