NVIDIA GeForce GTX 675MX Mac Edition vs NVIDIA GeForce GT 745A

VS

NVIDIA GeForce GTX 675MX Mac Edition

NVIDIA GeForce GT 745A

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GTX 675MX 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 GTX 675MX Mac Edition 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 28.80GB/s)

960 additional rendering cores

NVIDIA GeForce GT 745A 's Advantages

Boost Clock915MHz

More VRAM (2GB vs 1024GB)

Lower TDP (33W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 675MX Mac Edition +174%

1.933 TFLOPS

GeForce GT 745A

0.703 TFLOPS

GeForce GTX 675MX Mac Edition

VS

GeForce GT 745A

Graphics Card

Apr 2013

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

1250 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

28.80GB/s

Render Config

-

1344

Shading Units

384

112

TMUs

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

20.13 GPixel/s

Pixel Rate

7.320 GPixel/s

80.53 GTexel/s

Texture Rate

29.28 GTexel/s

-

1.933 TFLOPS

FP32 (float)

702.7 GFLOPS

80.53 GFLOPS

FP64 (double)

29.28 GFLOPS

Board Design

100W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK104

GPU Name

GK107

N13E-GSR-A2

GPU Variant

N14P-LP

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.27 billion

294 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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