NVIDIA GeForce GTX 675MX Mac Edition vs NVIDIA GeForce 945A

VS

NVIDIA GeForce GTX 675MX Mac Edition

NVIDIA GeForce 945A

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

Larger VRAM bandwidth (160.0GB/s vs 40.10GB/s)

960 additional rendering cores

NVIDIA GeForce 945A 's Advantages

Released 1 years and 11 months late

Boost Clock1189MHz

Lower TDP (33W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 675MX Mac Edition +111%

1.933 TFLOPS

GeForce 945A

0.913 TFLOPS

GeForce GTX 675MX Mac Edition

VS

GeForce 945A

Graphics Card

Apr 2013

Release Date

Mar 2015

GeForce 600M

Generation

GeForce 900A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1006 MHz

-

Boost Clock

1189 MHz

1250 MHz

Memory Clock

1253 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

40.10GB/s

Render Config

-

1344

Shading Units

384

112

TMUs

24

32

ROPs

8

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

20.13 GPixel/s

Pixel Rate

9.512 GPixel/s

80.53 GTexel/s

Texture Rate

28.54 GTexel/s

-

1.933 TFLOPS

FP32 (float)

913.2 GFLOPS

80.53 GFLOPS

FP64 (double)

28.54 GFLOPS

Board Design

100W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK104

GPU Name

GM108

N13E-GSR-A2

GPU Variant

-

Kepler

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

Unknown

294 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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