NVIDIA GeForce 8800 GS Mac Edition vs ATI Radeon HD 2900 XT

VS

NVIDIA GeForce 8800 GS Mac Edition

ATI Radeon HD 2900 XT

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8800 GS Mac Edition and 512MB VRAM Radeon HD 2900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8800 GS Mac Edition 's Advantages

Released 8 months late

Lower TDP (105W vs 215W)

ATI Radeon HD 2900 XT 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 51.14GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8800 GS Mac Edition

0.16 TFLOPS

Radeon HD 2900 XT +197%

0.476 TFLOPS

GeForce 8800 GS Mac Edition

VS

Radeon HD 2900 XT

Graphics Card

Jan 2008

Release Date

May 2007

GeForce 8

Generation

Radeon R600

Desktop

Type

Desktop

MXM-HE

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

799 MHz

Memory Clock

828 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

512bit

51.14GB/s

Bandwidth

106.0GB/s

Render Config

-

Compute Units

4

8

SM Count

-

64

Shading Units

320

32

TMUs

16

ROPs

16

-

64 KB

L2 Cache

256 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

11.89 GPixel/s

16.00 GTexel/s

Texture Rate

11.89 GTexel/s

-

160.0 GFLOPS

FP32 (float)

475.5 GFLOPS

-

Board Design

105W

TDP

215W

300 W

Suggested PSU

550 W

No outputs

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

G92

GPU Name

R600

-

GPU Variant

R600 XT (215RGMDKA13FG)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

80 nm

0.754 billion

Transistors

0.72 billion

324 mm²

Die Size

420 mm²

Graphics Features

11.1 (10_0)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

4.0

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