NVIDIA GeForce GTX 870M vs AMD Radeon R9 M395 Mac Edition

VS

NVIDIA GeForce GTX 870M

AMD Radeon R9 M395 Mac Edition

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 870M and 2GB VRAM Radeon R9 M395 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 870M 's Advantages

Boost Clock967MHz

More VRAM (3GB vs 2GB)

Lower TDP (100W vs 250W)

AMD Radeon R9 M395 Mac Edition 's Advantages

Released 1 years and 2 months late

Larger VRAM bandwidth (174.7GB/s vs 120.0GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 870M

2.599 TFLOPS

Radeon R9 M395 Mac Edition +15%

2.989 TFLOPS

GeForce GTX 870M

VS

Radeon R9 M395 Mac Edition

Graphics Card

Mar 2014

Release Date

May 2015

GeForce 800M

Generation

Crystal System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

941 MHz

Base Clock

-

967 MHz

Boost Clock

-

1250 MHz

Memory Clock

1365 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

120.0GB/s

Bandwidth

174.7GB/s

Render Config

-

Compute Units

28

-

1344

Shading Units

1792

112

TMUs

112

24

ROPs

32

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

-

Theoretical Performance

27.08 GPixel/s

Pixel Rate

26.69 GPixel/s

108.3 GTexel/s

Texture Rate

93.41 GTexel/s

-

2.599 TFLOPS

FP32 (float)

2.989 TFLOPS

108.3 GFLOPS

FP64 (double)

373.6 GFLOPS

Board Design

100W

TDP

250W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GK104

GPU Name

Amethyst

N15E-GT-A2

GPU Variant

Amethyst PRO (216-0872004)

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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