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

VS

AMD Radeon HD 6670A

NVIDIA GeForce GTX 950M Mac Edition

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

Main Differences

AMD Radeon HD 6670A 's Advantages

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

Lower TDP (45W vs 75W)

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

Score

Benchmark

FP32 (float)

Radeon HD 6670A

0.576 TFLOPS

GeForce GTX 950M Mac Edition +149%

1.439 TFLOPS

Radeon HD 6670A

VS

GeForce GTX 950M Mac Edition

Graphics Card

Apr 2011

Release Date

Mar 2015

All-In-One

Generation

GeForce 900M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

993 MHz

-

Boost Clock

1124 MHz

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

28.80GB/s

Render Config

6

Compute Units

-

480

Shading Units

640

24

TMUs

40

8

ROPs

16

-

8 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

17.98 GPixel/s

14.40 GTexel/s

Texture Rate

44.96 GTexel/s

-

576.0 GFLOPS

FP32 (float)

1439 GFLOPS

-

FP64 (double)

44.96 GFLOPS

Board Design

45W

TDP

75W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Turks

GPU Name

GM107

Turks XT (215-0803000)

GPU Variant

N16P-GT

TeraScale 2

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

1.87 billion

118 mm²

Die Size

148 mm²

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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