NVIDIA GeForce GT 330M Mac Edition vs AMD Radeon HD 6450A

VS

NVIDIA GeForce GT 330M Mac Edition

AMD Radeon HD 6450A

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 330M Mac Edition and 512MB VRAM Radeon HD 6450A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 330M Mac Edition 's Advantages

Larger VRAM bandwidth (25.28GB/s vs 8.528GB/s)

Lower TDP (23W vs 25W)

AMD Radeon HD 6450A 's Advantages

Released 1 years late

112 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 330M Mac Edition

0.106 TFLOPS

Radeon HD 6450A +88%

0.2 TFLOPS

GeForce GT 330M Mac Edition

VS

Radeon HD 6450A

Graphics Card

Apr 2010

Release Date

Apr 2011

GeForce 300M

Generation

All-In-One

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

790 MHz

Memory Clock

533 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.28GB/s

Bandwidth

8.528GB/s

Render Config

-

Compute Units

2

6

SM Count

-

48

Shading Units

160

16

TMUs

8

ROPs

4

-

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

2.500 GPixel/s

8.000 GTexel/s

Texture Rate

5.000 GTexel/s

-

105.6 GFLOPS

FP32 (float)

200.0 GFLOPS

-

Board Design

23W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GT216

GPU Name

Caicos

N11P-GE1-A3

GPU Variant

-

Tesla 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.486 billion

Transistors

0.37 billion

100 mm²

Die Size

67 mm²

Graphics Features

11.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

1.2

CUDA

-

4.1

Shader Model

5.0

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