NVIDIA GeForce GTX 950M Mac Edition vs NVIDIA GeForce 945A

VS

NVIDIA GeForce GTX 950M Mac Edition

NVIDIA GeForce 945A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 950M Mac Edition and 1024MB VRAM GeForce 945A 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

More VRAM (2GB vs 1024GB)

256 additional rendering cores

NVIDIA GeForce 945A 's Advantages

Boost Clock has increased by 6% (1189MHz vs 1124MHz)

Larger VRAM bandwidth (40.10GB/s vs 28.80GB/s)

Lower TDP (33W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 950M Mac Edition +57%

1.439 TFLOPS

GeForce 945A

0.913 TFLOPS

GeForce GTX 950M Mac Edition

VS

GeForce 945A

Graphics Card

Mar 2015

Release Date

Mar 2015

GeForce 900M

Generation

GeForce 900A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

993 MHz

Base Clock

1006 MHz

1124 MHz

Boost Clock

1189 MHz

900 MHz

Memory Clock

1253 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

40.10GB/s

Render Config

-

640

Shading Units

384

40

TMUs

24

16

ROPs

8

-

64 KB (per SMM)

L1 Cache

64 KB (per SMM)

2 MB

L2 Cache

1024 KB

-

Theoretical Performance

17.98 GPixel/s

Pixel Rate

9.512 GPixel/s

44.96 GTexel/s

Texture Rate

28.54 GTexel/s

-

1439 GFLOPS

FP32 (float)

913.2 GFLOPS

44.96 GFLOPS

FP64 (double)

28.54 GFLOPS

Board Design

75W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM107

GPU Name

GM108

N16P-GT

GPU Variant

-

Maxwell

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

Unknown

148 mm²

Die Size

Unknown

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.0

CUDA

5.0

5.1

Shader Model

5.1

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