ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce GT 330 OEM

VS

ATI Radeon HD 3870 Mac Edition

NVIDIA GeForce GT 330 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 1024MB VRAM GeForce GT 330 OEM 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

Larger VRAM bandwidth (72.06GB/s vs 51.20GB/s)

224 additional rendering cores

NVIDIA GeForce GT 330 OEM 's Advantages

Released 1 years and 8 months late

More VRAM (1024GB vs 512GB)

Lower TDP (75W vs 106W)

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition +107%

0.497 TFLOPS

GeForce GT 330 OEM

0.24 TFLOPS

Radeon HD 3870 Mac Edition

VS

GeForce GT 330 OEM

Graphics Card

Jun 2008

Release Date

Feb 2010

Radeon R600

Generation

GeForce 300

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1126 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

1024MB

GDDR4

Memory Type

GDDR3

256bit

Memory Bus

256bit

72.06GB/s

Bandwidth

51.20GB/s

Render Config

4

Compute Units

-

SM Count

12

320

Shading Units

96

16

TMUs

48

16

ROPs

8

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

4.000 GPixel/s

12.43 GTexel/s

Texture Rate

24.00 GTexel/s

-

497.3 GFLOPS

FP32 (float)

240.0 GFLOPS

99.46 GFLOPS

FP64 (double)

-

Board Design

106W

TDP

75W

300 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

RV670

GPU Name

G92

RV670 XT (215-0708005)

GPU Variant

-

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

55 nm

Process Size

65 nm

0.666 billion

Transistors

0.754 billion

192 mm²

Die Size

324 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

1.1

4.1

Shader Model

4.0

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