NVIDIA GeForce GTX 980MX vs AMD Radeon Pro 555X

VS

NVIDIA GeForce GTX 980MX

AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980MX and 4GB VRAM Radeon Pro 555X 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

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (192.0GB/s vs 94.08GB/s)

896 additional rendering cores

AMD Radeon Pro 555X 's Advantages

Released 2 years and 1 months late

Lower TDP (75W vs 148W)

Score

Benchmark

FP32 (float)

GeForce GTX 980MX +181%

3.92 TFLOPS

Radeon Pro 555X

1.393 TFLOPS

GeForce GTX 980MX

VS

Radeon Pro 555X

Graphics Card

Jun 2016

Release Date

Jul 2018

GeForce 900M

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1050 MHz

Base Clock

-

1178 MHz

Boost Clock

-

1500 MHz

Memory Clock

1470 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

192.0GB/s

Bandwidth

94.08GB/s

Render Config

-

Compute Units

12

-

1664

Shading Units

768

104

TMUs

48

64

ROPs

16

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

-

Theoretical Performance

75.39 GPixel/s

Pixel Rate

14.51 GPixel/s

122.5 GTexel/s

Texture Rate

43.54 GTexel/s

-

FP16 (half)

1393 GFLOPS

3.920 TFLOPS

FP32 (float)

1393 GFLOPS

122.5 GFLOPS

FP64 (double)

87.07 GFLOPS

Board Design

148W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GM204

GPU Name

Polaris 21

N16E-GXX-A1

GPU Variant

Polaris 21 PRO

Maxwell 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

5.2 billion

Transistors

3 billion

398 mm²

Die Size

123 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

5.2

CUDA

-

6.4

Shader Model

6.4

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