ATI Radeon HD 2900 XTX vs NVIDIA GeForce 8600 GTS Mac Edition

VS

ATI Radeon HD 2900 XTX

NVIDIA GeForce 8600 GTS Mac Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 512MB VRAM GeForce 8600 GTS 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 32.26GB/s)

288 additional rendering cores

NVIDIA GeForce 8600 GTS Mac Edition 's Advantages

Lower TDP (75W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX +411%

0.476 TFLOPS

GeForce 8600 GTS Mac Edition

0.093 TFLOPS

Radeon HD 2900 XTX

VS

GeForce 8600 GTS Mac Edition

Graphics Card

Unknown

Release Date

Sep 2007

Radeon R600

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

828 MHz

Memory Clock

1008 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

512bit

Memory Bus

128bit

106.0GB/s

Bandwidth

32.26GB/s

Render Config

4

Compute Units

-

SM Count

4

320

Shading Units

32

16

TMUs

16

ROPs

8

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

5.400 GPixel/s

11.89 GTexel/s

Texture Rate

10.80 GTexel/s

-

475.5 GFLOPS

FP32 (float)

92.80 GFLOPS

-

Board Design

240W

TDP

75W

550 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

2x DVI

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

R600

GPU Name

G84

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

G84-400-A2

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

80 nm

Process Size

80 nm

0.72 billion

Transistors

0.289 billion

420 mm²

Die Size

169 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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