NVIDIA GeForce GTX 860M vs AMD Radeon R9 M390X

VS

NVIDIA GeForce GTX 860M AMD Radeon R9 M390X

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 860M 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 GTX 860M 's Advantages

Boost Clock1085MHz

AMD Radeon R9 M390X 's Advantages

Released 1 years and 4 months late

Larger VRAM bandwidth (160.0GB/s vs 80.19GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 860M

1.389 TFLOPS

Radeon R9 M390X +113%

2.961 TFLOPS

GeForce GTX 860M

VS

Radeon R9 M390X

Graphics Card

Jan 2014

Release Date

May 2015

GeForce 800M

Generation

Crystal System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

1020 MHz

Base Clock

-

1085 MHz

Boost Clock

-

1253 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

80.19GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

Compute Units

32

640

Shading Units

2048

40

TMUs

128

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

17.36 GPixel/s

Pixel Rate

23.14 GPixel/s

43.40 GTexel/s

Texture Rate

92.54 GTexel/s

-

FP16 (half)

2.961 TFLOPS

1389 GFLOPS

FP32 (float)

2.961 TFLOPS

43.40 GFLOPS

FP64 (double)

185.1 GFLOPS

Graphics Processor

GM107

GPU Name

Amethyst

N15P-GX-A1

GPU Variant

Amethyst XT

Maxwell

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

5 billion

148 mm²

Die Size

366 mm²

Board Design

75W

TDP

75W

-

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

1.3

Vulkan

1.2

5.0

CUDA

-

5.1

Shader Model

6.3

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