NVIDIA GeForce GTX 775M Mac Edition vs AMD Radeon R7 M445

VS

NVIDIA GeForce GTX 775M Mac Edition

AMD Radeon R7 M445

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 775M Mac Edition and 4GB VRAM Radeon R7 M445 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 775M Mac Edition 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 32.00GB/s)

1024 additional rendering cores

AMD Radeon R7 M445 's Advantages

Released 2 years and 6 months late

Boost Clock920MHz

More VRAM (4GB vs 2GB)

Score

Benchmark

FP32 (float)

GeForce GTX 775M Mac Edition +264%

2.142 TFLOPS

Radeon R7 M445

0.588 TFLOPS

GeForce GTX 775M Mac Edition

VS

Radeon R7 M445

Graphics Card

Nov 2013

Release Date

May 2016

GeForce 700M

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

780 MHz

-

Boost Clock

920 MHz

1250 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

32.00GB/s

Render Config

-

Compute Units

5

-

1344

Shading Units

320

112

TMUs

20

32

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

22.32 GPixel/s

Pixel Rate

7.360 GPixel/s

89.26 GTexel/s

Texture Rate

18.40 GTexel/s

-

FP16 (half)

588.8 GFLOPS

2.142 TFLOPS

FP32 (float)

588.8 GFLOPS

89.26 GFLOPS

FP64 (double)

36.80 GFLOPS

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GK104

GPU Name

Meso

N13E-GTX-A2

GPU Variant

Meso PRO (216-0864032)

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.55 billion

294 mm²

Die Size

125 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5

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