NVIDIA GeForce GT 750M Mac Edition vs AMD Radeon R9 M390X

VS

NVIDIA GeForce GT 750M Mac Edition

AMD Radeon R9 M390X

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 750M Mac Edition and 4GB VRAM Radeon R9 M390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 750M Mac Edition 's Advantages

Lower TDP (50W vs 75W)

AMD Radeon R9 M390X 's Advantages

Released 1 years and 6 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 80.26GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 750M Mac Edition

0.711 TFLOPS

Radeon R9 M390X +316%

2.961 TFLOPS

GeForce GT 750M Mac Edition

VS

Radeon R9 M390X

Graphics Card

Nov 2013

Release Date

May 2015

GeForce 700M

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1254 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

80.26GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

32

-

384

Shading Units

2048

32

TMUs

128

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

7.408 GPixel/s

Pixel Rate

23.14 GPixel/s

29.63 GTexel/s

Texture Rate

92.54 GTexel/s

-

FP16 (half)

2.961 TFLOPS

711.2 GFLOPS

FP32 (float)

2.961 TFLOPS

29.63 GFLOPS

FP64 (double)

185.1 GFLOPS

Board Design

50W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

Amethyst

N14P-GT

GPU Variant

Amethyst XT

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

5 billion

118 mm²

Die Size

366 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

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