AMD Radeon HD 6770M Mac Edition vs NVIDIA GeForce GT 330M

VS

AMD Radeon HD 6770M Mac Edition

NVIDIA GeForce GT 330M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6770M Mac Edition and 1024MB VRAM GeForce GT 330M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770M Mac Edition 's Advantages

Released 1 years late

Larger VRAM bandwidth (57.60GB/s vs 25.60GB/s)

432 additional rendering cores

NVIDIA GeForce GT 330M 's Advantages

More VRAM (1024GB vs 512GB)

Lower TDP (23W vs 35W)

Score

Benchmark

FP32 (float)

Radeon HD 6770M Mac Edition +475%

0.696 TFLOPS

GeForce GT 330M

0.121 TFLOPS

Radeon HD 6770M Mac Edition

VS

GeForce GT 330M

Graphics Card

Jan 2011

Release Date

Jan 2010

Vancouver

Generation

GeForce 300M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

900 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

57.60GB/s

Bandwidth

25.60GB/s

Render Config

6

Compute Units

-

SM Count

6

480

Shading Units

48

24

TMUs

16

8

ROPs

8

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

5.800 GPixel/s

Pixel Rate

4.600 GPixel/s

17.40 GTexel/s

Texture Rate

9.200 GTexel/s

-

696.0 GFLOPS

FP32 (float)

121.4 GFLOPS

-

Board Design

35W

TDP

23W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

GT216

Whistler XT (216-0810001)

GPU Variant

N11P-GE1-A3

TeraScale 2

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

0.486 billion

104 mm²

Die Size

100 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.2

5.0

Shader Model

4.1

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