ATI Radeon HD 2900 GT vs NVIDIA GeForce GTX 285 Mac Edition

VS

ATI Radeon HD 2900 GT NVIDIA GeForce GTX 285 Mac Edition

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2900 GT and 1024MB VRAM GeForce GTX 285 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 GT 's Advantages

Lower TDP (150W vs 204W)

NVIDIA GeForce GTX 285 Mac Edition 's Advantages

Released 1 years and 2 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (159.0GB/s vs 51.20GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 2900 GT

0.288 TFLOPS

GeForce GTX 285 Mac Edition +145%

0.708 TFLOPS

Radeon HD 2900 GT

VS

GeForce GTX 285 Mac Edition

Graphics Card

Nov 2007

Release Date

Jan 2009

Radeon R600

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

1242 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

512bit

51.20GB/s

Bandwidth

159.0GB/s

Render Config

-

SM Count

30

3

Compute Units

-

240

Shading Units

240

12

TMUs

80

12

ROPs

32

-

Tensor Cores

-

RT Cores

-

L1 Cache

-

128 KB

L2 Cache

256 KB

Theoretical Performance

7.212 GPixel/s

Pixel Rate

20.74 GPixel/s

7.212 GTexel/s

Texture Rate

51.84 GTexel/s

-

FP16 (half)

-

288.5 GFLOPS

FP32 (float)

708.5 GFLOPS

-

FP64 (double)

88.56 GFLOPS

Graphics Processor

R600

GPU Name

GT200B

R600 GT (215RGFDKA13FG)

GPU Variant

G200-350-B3

TeraScale

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

55 nm

0.72 billion

Transistors

1.4 billion

420 mm²

Die Size

470 mm²

Board Design

150W

TDP

204W

450 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

2x 6-pin

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

1.3

4.0

Shader Model

4.0

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