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

VS

ATI Radeon HD 2900 XTX

NVIDIA GeForce 8800 GS Mac Edition

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

Main Differences

ATI Radeon HD 2900 XTX 's Advantages

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

256 additional rendering cores

NVIDIA GeForce 8800 GS Mac Edition 's Advantages

Lower TDP (105W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX +197%

0.476 TFLOPS

GeForce 8800 GS Mac Edition

0.16 TFLOPS

Radeon HD 2900 XTX

VS

GeForce 8800 GS Mac Edition

Graphics Card

Unknown

Release Date

Jan 2008

Radeon R600

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

MXM-HE

Clock Speeds

-

828 MHz

Memory Clock

799 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

512bit

Memory Bus

256bit

106.0GB/s

Bandwidth

51.14GB/s

Render Config

4

Compute Units

-

SM Count

8

320

Shading Units

64

16

TMUs

32

16

ROPs

16

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

8.000 GPixel/s

11.89 GTexel/s

Texture Rate

16.00 GTexel/s

-

475.5 GFLOPS

FP32 (float)

160.0 GFLOPS

-

Board Design

240W

TDP

105W

550 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

No outputs

2x 6-pin

Power Connectors

None

Graphics Processor

R600

GPU Name

G92

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

-

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

80 nm

Process Size

65 nm

0.72 billion

Transistors

0.754 billion

420 mm²

Die Size

324 mm²

Graphics Features

10.0 (10_0)

DirectX

11.1 (10_0)

3.3 (full) 4.0 (partial)

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

4.0

Shader Model

4.0

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