NVIDIA GeForce GT 650M Mac Edition vs NVIDIA GeForce 945M

VS

NVIDIA GeForce GT 650M Mac Edition

NVIDIA GeForce 945M

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 650M Mac Edition and 1024MB VRAM GeForce 945M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 650M Mac Edition 's Advantages

Larger VRAM bandwidth (80.26GB/s vs 16.02GB/s)

NVIDIA GeForce 945M 's Advantages

Released 3 years and 9 months late

Boost Clock1189MHz

More VRAM (1024GB vs 512GB)

Lower TDP (23W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GT 650M Mac Edition

0.691 TFLOPS

GeForce 945M +32%

0.913 TFLOPS

GeForce GT 650M Mac Edition

VS

GeForce 945M

Graphics Card

Jul 2012

Release Date

Apr 2016

GeForce 600M

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1006 MHz

-

Boost Clock

1189 MHz

1254 MHz

Memory Clock

1001 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

80.26GB/s

Bandwidth

16.02GB/s

Render Config

-

384

Shading Units

384

32

TMUs

24

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

9.512 GPixel/s

28.80 GTexel/s

Texture Rate

28.54 GTexel/s

-

691.2 GFLOPS

FP32 (float)

913.2 GFLOPS

28.80 GFLOPS

FP64 (double)

28.54 GFLOPS

Board Design

45W

TDP

23W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

GM108

N13P-GT-W-A2

GPU Variant

-

Kepler

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

Unknown

118 mm²

Die Size

Unknown

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

5.0

5.1

Shader Model

5.1

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