AMD Radeon RX 550 Mobile vs NVIDIA GeForce 945A

VS

AMD Radeon RX 550 Mobile

NVIDIA GeForce 945A

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 550 Mobile and 1024MB VRAM GeForce 945A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 Mobile 's Advantages

Released 2 years and 4 months late

Boost Clock has increased by 8% (1287MHz vs 1189MHz)

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 40.10GB/s)

256 additional rendering cores

NVIDIA GeForce 945A 's Advantages

Lower TDP (33W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 550 Mobile +80%

1.647 TFLOPS

GeForce 945A

0.913 TFLOPS

Radeon RX 550 Mobile

VS

GeForce 945A

Graphics Card

Jul 2017

Release Date

Mar 2015

Mobility Radeon

Generation

GeForce 900A

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1100 MHz

Base Clock

1006 MHz

1287 MHz

Boost Clock

1189 MHz

1500 MHz

Memory Clock

1253 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

40.10GB/s

Render Config

10

Compute Units

-

640

Shading Units

384

40

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

20.59 GPixel/s

Pixel Rate

9.512 GPixel/s

51.48 GTexel/s

Texture Rate

28.54 GTexel/s

1.647 TFLOPS

FP16 (half)

-

1.647 TFLOPS

FP32 (float)

913.2 GFLOPS

103.0 GFLOPS

FP64 (double)

28.54 GFLOPS

Board Design

50W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Lexa

GPU Name

GM108

Lexa PRO (215-0904018)

GPU Variant

-

GCN 4.0

Architecture

Maxwell

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

Unknown

103 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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