NVIDIA GeForce GTX 670MX vs AMD Radeon R9 M395X Mac Edition

VS

NVIDIA GeForce GTX 670MX

AMD Radeon R9 M395X Mac Edition

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 670MX 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 670MX 's Advantages

Lower TDP (75W vs 250W)

AMD Radeon R9 M395X Mac Edition 's Advantages

Released 2 years and 7 months late

More VRAM (4GB vs 3GB)

Larger VRAM bandwidth (174.7GB/s vs 67.20GB/s)

1088 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 670MX

1.154 TFLOPS

Radeon R9 M395X Mac Edition +222%

3.723 TFLOPS

GeForce GTX 670MX

VS

Radeon R9 M395X Mac Edition

Graphics Card

Oct 2012

Release Date

May 2015

GeForce 600M

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

700 MHz

Memory Clock

1365 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

67.20GB/s

Bandwidth

174.7GB/s

Render Config

-

Compute Units

32

-

960

Shading Units

2048

80

TMUs

128

24

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

12.02 GPixel/s

Pixel Rate

29.09 GPixel/s

48.08 GTexel/s

Texture Rate

116.4 GTexel/s

-

FP16 (half)

3.723 TFLOPS

1154 GFLOPS

FP32 (float)

3.723 TFLOPS

48.08 GFLOPS

FP64 (double)

232.7 GFLOPS

Board Design

75W

TDP

250W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK104

GPU Name

Amethyst

N13E-GR-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

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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