NVIDIA GeForce GT 650M Mac Edition vs NVIDIA GeForce GT 745A

VS

NVIDIA GeForce GT 650M Mac Edition

NVIDIA GeForce GT 745A

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 650M Mac Edition and 2GB VRAM GeForce GT 745A 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 28.80GB/s)

NVIDIA GeForce GT 745A 's Advantages

Released 1 years and 1 months late

Boost Clock915MHz

More VRAM (2GB vs 512GB)

Lower TDP (33W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GT 650M Mac Edition

0.691 TFLOPS

GeForce GT 745A +1%

0.703 TFLOPS

GeForce GT 650M Mac Edition

VS

GeForce GT 745A

Graphics Card

Jul 2012

Release Date

Aug 2013

GeForce 600M

Generation

GeForce 700A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

837 MHz

-

Boost Clock

915 MHz

1254 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

80.26GB/s

Bandwidth

28.80GB/s

Render Config

-

384

Shading Units

384

32

TMUs

32

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

7.320 GPixel/s

28.80 GTexel/s

Texture Rate

29.28 GTexel/s

-

691.2 GFLOPS

FP32 (float)

702.7 GFLOPS

28.80 GFLOPS

FP64 (double)

29.28 GFLOPS

Board Design

45W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

GK107

N13P-GT-W-A2

GPU Variant

N14P-LP

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

1.27 billion

118 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.0

CUDA

3.0

5.1

Shader Model

5.1

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