NVIDIA GeForce GTX 950M Mac Edition vs AMD Radeon HD 6670A

VS

NVIDIA GeForce GTX 950M Mac Edition

AMD Radeon HD 6670A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 950M Mac Edition and 1024MB VRAM Radeon HD 6670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 950M Mac Edition 's Advantages

Released 3 years and 11 months late

Boost Clock1124MHz

More VRAM (2GB vs 1024GB)

160 additional rendering cores

AMD Radeon HD 6670A 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)

Lower TDP (45W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 950M Mac Edition +149%

1.439 TFLOPS

Radeon HD 6670A

0.576 TFLOPS

GeForce GTX 950M Mac Edition

VS

Radeon HD 6670A

Graphics Card

Mar 2015

Release Date

Apr 2011

GeForce 900M

Generation

All-In-One

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

993 MHz

Base Clock

-

1124 MHz

Boost Clock

-

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

6

-

640

Shading Units

480

40

TMUs

24

16

ROPs

8

-

64 KB (per SMM)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

17.98 GPixel/s

Pixel Rate

4.800 GPixel/s

44.96 GTexel/s

Texture Rate

14.40 GTexel/s

-

1439 GFLOPS

FP32 (float)

576.0 GFLOPS

44.96 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM107

GPU Name

Turks

N16P-GT

GPU Variant

Turks XT (215-0803000)

Maxwell

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.87 billion

Transistors

0.716 billion

148 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

5.0

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