AMD Radeon HD 6870M vs NVIDIA GeForce GT 330M Mac Edition

VS

AMD Radeon HD 6870M

NVIDIA GeForce GT 330M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M and 512MB VRAM GeForce GT 330M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870M 's Advantages

Released 9 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 25.28GB/s)

752 additional rendering cores

NVIDIA GeForce GT 330M Mac Edition 's Advantages

Lower TDP (23W vs 50W)

Score

Benchmark

FP32 (float)

Radeon HD 6870M +918%

1.08 TFLOPS

GeForce GT 330M Mac Edition

0.106 TFLOPS

Radeon HD 6870M

VS

GeForce GT 330M Mac Edition

Graphics Card

Jan 2011

Release Date

Apr 2010

Vancouver

Generation

GeForce 300M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

790 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

25.28GB/s

Render Config

10

Compute Units

-

SM Count

6

800

Shading Units

48

40

TMUs

16

ROPs

8

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

4.000 GPixel/s

27.00 GTexel/s

Texture Rate

8.000 GTexel/s

-

1080 GFLOPS

FP32 (float)

105.6 GFLOPS

-

Board Design

50W

TDP

23W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Granville

GPU Name

GT216

Granville XT (216-0769024)

GPU Variant

N11P-GE1-A3

TeraScale 2

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.486 billion

166 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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