AMD Radeon Pro 555X vs NVIDIA GeForce GTX 980 Mobile

VS

AMD Radeon Pro 555X

NVIDIA GeForce GTX 980 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 8GB VRAM GeForce GTX 980 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555X 's Advantages

Released 2 years and 10 months late

NVIDIA GeForce GTX 980 Mobile 's Advantages

Boost Clock1140MHz

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (224.4GB/s vs 94.08GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 555X

1.393 TFLOPS

GeForce GTX 980 Mobile +235%

4.669 TFLOPS

Radeon Pro 555X

VS

GeForce GTX 980 Mobile

Graphics Card

Jul 2018

Release Date

Sep 2015

Radeon Pro Mac

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1064 MHz

-

Boost Clock

1140 MHz

1470 MHz

Memory Clock

1753 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

94.08GB/s

Bandwidth

224.4GB/s

Render Config

12

Compute Units

-

768

Shading Units

2048

48

TMUs

128

16

ROPs

64

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

14.51 GPixel/s

Pixel Rate

72.96 GPixel/s

43.54 GTexel/s

Texture Rate

145.9 GTexel/s

1393 GFLOPS

FP16 (half)

-

1393 GFLOPS

FP32 (float)

4.669 TFLOPS

87.07 GFLOPS

FP64 (double)

145.9 GFLOPS

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Polaris 21

GPU Name

GM204

Polaris 21 PRO

GPU Variant

N16E-GXX-A1

GCN 4.0

Architecture

Maxwell 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

5.2 billion

123 mm²

Die Size

398 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.2

6.4

Shader Model

6.7 (6.4)

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