AMD Radeon HD 6770M Mac Edition vs AMD FirePro M3900

VS

AMD Radeon HD 6770M Mac Edition

AMD FirePro M3900

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6770M Mac Edition and 1024MB VRAM FirePro M3900 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

Larger VRAM bandwidth (57.60GB/s vs 14.40GB/s)

320 additional rendering cores

AMD FirePro M3900 's Advantages

More VRAM (1024GB vs 512GB)

Lower TDP (20W vs 35W)

Score

Benchmark

FP32 (float)

Radeon HD 6770M Mac Edition +190%

0.696 TFLOPS

FirePro M3900

0.24 TFLOPS

Radeon HD 6770M Mac Edition

VS

FirePro M3900

Graphics Card

Jan 2011

Release Date

Oct 2010

Vancouver

Generation

FirePro Mobile

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

57.60GB/s

Bandwidth

14.40GB/s

Render Config

6

Compute Units

2

-

480

Shading Units

160

24

TMUs

8

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

5.800 GPixel/s

Pixel Rate

3.000 GPixel/s

17.40 GTexel/s

Texture Rate

6.000 GTexel/s

-

696.0 GFLOPS

FP32 (float)

240.0 GFLOPS

-

Board Design

35W

TDP

20W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

Seymour

Whistler XT (216-0810001)

GPU Variant

Seymour GL

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

0.37 billion

104 mm²

Die Size

67 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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