AMD Radeon R9 M395X Mac Edition vs NVIDIA GeForce GTX 860M OEM

VS

AMD Radeon R9 M395X Mac Edition

NVIDIA GeForce GTX 860M OEM

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 2GB VRAM GeForce GTX 860M OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M395X Mac Edition 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (174.7GB/s vs 80.19GB/s)

1408 additional rendering cores

NVIDIA GeForce GTX 860M OEM 's Advantages

Boost Clock1085MHz

Lower TDP (75W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M395X Mac Edition +168%

3.723 TFLOPS

GeForce GTX 860M OEM

1.389 TFLOPS

Radeon R9 M395X Mac Edition

VS

GeForce GTX 860M OEM

Graphics Card

May 2015

Release Date

Feb 2015

Crystal System

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1020 MHz

-

Boost Clock

1085 MHz

1365 MHz

Memory Clock

1253 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

80.19GB/s

Render Config

32

Compute Units

-

2048

Shading Units

640

128

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

29.09 GPixel/s

Pixel Rate

17.36 GPixel/s

116.4 GTexel/s

Texture Rate

43.40 GTexel/s

3.723 TFLOPS

FP16 (half)

-

3.723 TFLOPS

FP32 (float)

1389 GFLOPS

232.7 GFLOPS

FP64 (double)

43.40 GFLOPS

Board Design

250W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

GM107

Amethyst XT

GPU Variant

N15P-GX-A1

GCN 3.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

1.87 billion

366 mm²

Die Size

148 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

6.3

Shader Model

5.1

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