AMD Radeon HD 6770M Mac Edition vs NVIDIA GeForce 945M

VS

AMD Radeon HD 6770M Mac Edition

NVIDIA GeForce 945M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6770M Mac Edition and 1024MB VRAM GeForce 945M 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 16.02GB/s)

96 additional rendering cores

NVIDIA GeForce 945M 's Advantages

Released 5 years and 3 months late

Boost Clock1189MHz

More VRAM (1024GB vs 512GB)

Lower TDP (23W vs 35W)

Score

Benchmark

FP32 (float)

Radeon HD 6770M Mac Edition

0.696 TFLOPS

GeForce 945M +31%

0.913 TFLOPS

Radeon HD 6770M Mac Edition

VS

GeForce 945M

Graphics Card

Jan 2011

Release Date

Apr 2016

Vancouver

Generation

GeForce 900M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1006 MHz

-

Boost Clock

1189 MHz

900 MHz

Memory Clock

1001 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

57.60GB/s

Bandwidth

16.02GB/s

Render Config

6

Compute Units

-

480

Shading Units

384

24

TMUs

24

8

ROPs

8

-

8 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

5.800 GPixel/s

Pixel Rate

9.512 GPixel/s

17.40 GTexel/s

Texture Rate

28.54 GTexel/s

-

696.0 GFLOPS

FP32 (float)

913.2 GFLOPS

-

FP64 (double)

28.54 GFLOPS

Board Design

35W

TDP

23W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Whistler

GPU Name

GM108

Whistler XT (216-0810001)

GPU Variant

-

TeraScale 2

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

Unknown

104 mm²

Die Size

Unknown

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

Shader Model

5.1

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