NVIDIA GeForce GTX 980MX vs AMD Radeon R9 M485X

VS

NVIDIA GeForce GTX 980MX AMD Radeon R9 M485X

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980MX and 8GB VRAM Radeon R9 M485X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980MX 's Advantages

Boost Clock1178MHz

Larger VRAM bandwidth (192.0GB/s vs 160.0GB/s)

Lower TDP (148W vs 250W)

AMD Radeon R9 M485X 's Advantages

384 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 980MX +32%

3.92 TFLOPS

Radeon R9 M485X

2.961 TFLOPS

GeForce GTX 980MX

VS

Radeon R9 M485X

Graphics Card

Jun 2016

Release Date

May 2016

GeForce 900M

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1050 MHz

Base Clock

-

1178 MHz

Boost Clock

-

1500 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

192.0GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

Compute Units

32

1664

Shading Units

2048

104

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

75.39 GPixel/s

Pixel Rate

23.14 GPixel/s

122.5 GTexel/s

Texture Rate

92.54 GTexel/s

-

FP16 (half)

2.961 TFLOPS

3.920 TFLOPS

FP32 (float)

2.961 TFLOPS

122.5 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

148W

TDP

250W

-

Suggested PSU

-

No outputs

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

-

6.4

Shader Model

6.3

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