ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce GTX 260

VS

ATI Radeon HD 3870 Mac Edition

NVIDIA GeForce GTX 260

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 896MB VRAM GeForce GTX 260 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 Mac Edition 's Advantages

128 additional rendering cores

Lower TDP (106W vs 182W)

NVIDIA GeForce GTX 260 's Advantages

More VRAM (896GB vs 512GB)

Larger VRAM bandwidth (111.9GB/s vs 72.06GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition +4%

0.497 TFLOPS

GeForce GTX 260

0.477 TFLOPS

Radeon HD 3870 Mac Edition

VS

GeForce GTX 260

Graphics Card

Jun 2008

Release Date

Jun 2008

Radeon R600

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1126 MHz

Memory Clock

999 MHz

Memory

512MB

Memory Size

896MB

GDDR4

Memory Type

GDDR3

256bit

Memory Bus

448bit

72.06GB/s

Bandwidth

111.9GB/s

Render Config

4

Compute Units

-

SM Count

24

320

Shading Units

192

16

TMUs

64

16

ROPs

28

-

256 KB

L2 Cache

224 KB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

16.13 GPixel/s

12.43 GTexel/s

Texture Rate

36.86 GTexel/s

-

497.3 GFLOPS

FP32 (float)

476.9 GFLOPS

99.46 GFLOPS

FP64 (double)

59.62 GFLOPS

Board Design

106W

TDP

182W

300 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

RV670

GPU Name

GT200

RV670 XT (215-0708005)

GPU Variant

G200-100-A2

TeraScale

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

65 nm

0.666 billion

Transistors

1.4 billion

192 mm²

Die Size

576 mm²

Graphics Features

10.1 (10_1)

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

4.1

Shader Model

4.0

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