NVIDIA GeForce GTX 980 Mobile vs AMD Radeon R9 M390X

VS

NVIDIA GeForce GTX 980 Mobile AMD Radeon R9 M390X

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980 Mobile 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 980 Mobile 's Advantages

Boost Clock1140MHz

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (224.4GB/s vs 160.0GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 980 Mobile +57%

4.669 TFLOPS

Radeon R9 M390X

2.961 TFLOPS

GeForce GTX 980 Mobile

VS

Radeon R9 M390X

Graphics Card

Sep 2015

Release Date

May 2015

GeForce 900M

Generation

Crystal System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

1064 MHz

Base Clock

-

1140 MHz

Boost Clock

-

1753 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

224.4GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

Compute Units

32

2048

Shading Units

2048

128

TMUs

128

64

ROPs

32

-

Tensor Cores

-

RT Cores

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

72.96 GPixel/s

Pixel Rate

23.14 GPixel/s

145.9 GTexel/s

Texture Rate

92.54 GTexel/s

-

FP16 (half)

2.961 TFLOPS

4.669 TFLOPS

FP32 (float)

2.961 TFLOPS

145.9 GFLOPS

FP64 (double)

185.1 GFLOPS

Graphics Processor

GM204

GPU Name

Amethyst

N16E-GXX-A1

GPU Variant

Amethyst XT

Maxwell 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5.2 billion

Transistors

5 billion

398 mm²

Die Size

366 mm²

Board Design

Unknown

TDP

75W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

5.2

CUDA

-

6.7 (6.4)

Shader Model

6.3

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