NVIDIA GeForce GTX 285 vs ATI Radeon HD 2900 XTX

VS

NVIDIA GeForce GTX 285

ATI Radeon HD 2900 XTX

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 285 and 512MB VRAM Radeon HD 2900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 285 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (159.0GB/s vs 106.0GB/s)

Lower TDP (204W vs 240W)

ATI Radeon HD 2900 XTX 's Advantages

80 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 285 +48%

0.708 TFLOPS

Radeon HD 2900 XTX

0.476 TFLOPS

GeForce GTX 285

VS

Radeon HD 2900 XTX

Graphics Card

Dec 2008

Release Date

Unknown

GeForce 200

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1242 MHz

Memory Clock

828 MHz

Memory

1024MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

512bit

Memory Bus

512bit

159.0GB/s

Bandwidth

106.0GB/s

Render Config

-

Compute Units

4

30

SM Count

-

240

Shading Units

320

80

TMUs

16

32

ROPs

16

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

20.74 GPixel/s

Pixel Rate

11.89 GPixel/s

51.84 GTexel/s

Texture Rate

11.89 GTexel/s

-

708.5 GFLOPS

FP32 (float)

475.5 GFLOPS

88.56 GFLOPS

FP64 (double)

-

Board Design

204W

TDP

240W

550 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GT200B

GPU Name

R600

G200-350-B3

GPU Variant

R600 XTX A11 (215RGMDKA11FG)

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

80 nm

1.4 billion

Transistors

0.72 billion

470 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

1.3

CUDA

-

4.0

Shader Model

4.0

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