NVIDIA GeForce GTX 675MX vs AMD Radeon R9 M395X Mac Edition

VS

NVIDIA GeForce GTX 675MX AMD Radeon R9 M395X Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 675MX and 4GB VRAM Radeon R9 M395X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 675MX 's Advantages

Lower TDP (100W vs 250W)

AMD Radeon R9 M395X Mac Edition 's Advantages

Released 2 years and 7 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (174.7GB/s vs 115.2GB/s)

1088 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 675MX

1.256 TFLOPS

Radeon R9 M395X Mac Edition +196%

3.723 TFLOPS

GeForce GTX 675MX

VS

Radeon R9 M395X Mac Edition

Graphics Card

Oct 2012

Release Date

May 2015

GeForce 600M

Generation

Crystal System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

1365 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

174.7GB/s

Render Config

-

SM Count

-

Compute Units

32

960

Shading Units

2048

80

TMUs

128

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

13.08 GPixel/s

Pixel Rate

29.09 GPixel/s

52.32 GTexel/s

Texture Rate

116.4 GTexel/s

-

FP16 (half)

3.723 TFLOPS

1256 GFLOPS

FP32 (float)

3.723 TFLOPS

52.32 GFLOPS

FP64 (double)

232.7 GFLOPS

Graphics Processor

GK104

GPU Name

Amethyst

N13E-GSR-A2

GPU Variant

Amethyst XT

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

5 billion

294 mm²

Die Size

366 mm²

Board Design

100W

TDP

250W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

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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