AMD Radeon Pro 555X vs NVIDIA GeForce 920MX

VS

AMD Radeon Pro 555X

NVIDIA GeForce 920MX

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 2GB VRAM GeForce 920MX 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 4 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (94.08GB/s vs 14.40GB/s)

512 additional rendering cores

NVIDIA GeForce 920MX 's Advantages

Boost Clock993MHz

Lower TDP (16W vs 75W)

Score

Benchmark

FP32 (float)

Radeon Pro 555X +174%

1.393 TFLOPS

GeForce 920MX

0.508 TFLOPS

Radeon Pro 555X

VS

GeForce 920MX

Graphics Card

Jul 2018

Release Date

Mar 2016

Radeon Pro Mac

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

965 MHz

-

Boost Clock

993 MHz

1470 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

94.08GB/s

Bandwidth

14.40GB/s

Render Config

12

Compute Units

-

768

Shading Units

256

48

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

1024 KB

L2 Cache

1024 KB

-

Theoretical Performance

14.51 GPixel/s

Pixel Rate

7.944 GPixel/s

43.54 GTexel/s

Texture Rate

23.83 GTexel/s

1393 GFLOPS

FP16 (half)

-

1393 GFLOPS

FP32 (float)

508.4 GFLOPS

87.07 GFLOPS

FP64 (double)

15.89 GFLOPS

Board Design

75W

TDP

16W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 21

GPU Name

GM108

Polaris 21 PRO

GPU Variant

N16V-GMR1-S

GCN 4.0

Architecture

Maxwell

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

Unknown

123 mm²

Die Size

Unknown

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

6.4

Shader Model

5.1

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