AMD Radeon HD 6770M Mac Edition vs NVIDIA GeForce Go 6800 Ultra

VS

AMD Radeon HD 6770M Mac Edition

NVIDIA GeForce Go 6800 Ultra

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6770M Mac Edition and 256MB VRAM GeForce Go 6800 Ultra 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 5 years and 11 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (57.60GB/s vs 38.40GB/s)

480 additional rendering cores

Lower TDP (35W vs 89W)

Score

Radeon HD 6770M Mac Edition

VS

GeForce Go 6800 Ultra

Graphics Card

Jan 2011

Release Date

Feb 2005

Vancouver

Generation

GeForce Go 6

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

900 MHz

Memory Clock

600 MHz

Memory

512MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

57.60GB/s

Bandwidth

38.40GB/s

Render Config

6

Compute Units

-

480

Shading Units

-

24

TMUs

12

8

ROPs

8

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

5.800 GPixel/s

Pixel Rate

3.600 GPixel/s

17.40 GTexel/s

Texture Rate

5.400 GTexel/s

-

696.0 GFLOPS

FP32 (float)

-

Board Design

35W

TDP

89W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Whistler

GPU Name

NV41

Whistler XT (216-0810001)

GPU Variant

GO6800 U

TeraScale 2

Architecture

Curie

TSMC

Foundry

TSMC

40 nm

Process Size

130 nm

0.716 billion

Transistors

0.19 billion

104 mm²

Die Size

225 mm²

Graphics Features

11.2 (11_0)

DirectX

9.0c (9_3)

4.4

OpenGL

2.0 (full) 2.1 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

3.0

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