AMD Radeon RX 550X Mobile vs NVIDIA GeForce RTX 5080 Mobile

VS

AMD Radeon RX 550X Mobile

NVIDIA GeForce RTX 5080 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 550X Mobile and 16GB VRAM GeForce RTX 5080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X Mobile 's Advantages

Lower TDP (50W vs 175W)

NVIDIA GeForce RTX 5080 Mobile 's Advantages

Released 6 years and 9 months late

Boost Clock has increased by 70% (2000MHz vs 1176MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (1.01TB/s vs 48.00GB/s)

7552 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550X Mobile

1.505 TFLOPS

GeForce RTX 5080 Mobile +2077%

32.77 TFLOPS

Radeon RX 550X Mobile

VS

GeForce RTX 5080 Mobile

Graphics Card

Apr 2018

Release Date

Jan 2025

Mobility Radeon

Generation

GeForce 50 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 5.0 x16

Clock Speeds

1100 MHz

Base Clock

1500 MHz

1176 MHz

Boost Clock

2000 MHz

1500 MHz

Memory Clock

2500 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR7

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

1.01TB/s

Render Config

10

Compute Units

-

SM Count

64

640

Shading Units

8192

40

TMUs

256

16

ROPs

96

-

Tensor Cores

256

-

RT Cores

64

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

64 MB

-

Theoretical Performance

18.82 GPixel/s

Pixel Rate

192.0 GPixel/s

47.04 GTexel/s

Texture Rate

512.0 GTexel/s

1.505 TFLOPS

FP16 (half)

32.77 TFLOPS

1.505 TFLOPS

FP32 (float)

32.77 TFLOPS

94.08 GFLOPS

FP64 (double)

512.0 GFLOPS

Board Design

50W

TDP

175W

-

Suggested PSU

550 W

No outputs

Outputs

1x HDMI 2.13x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Polaris 23

GPU Name

GB203

Polaris 23 MXT

GPU Variant

-

GCN 4.0

Architecture

Blackwell 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

4 nm

2.2 billion

Transistors

Unknown

103 mm²

Die Size

377 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

10.1

6.4

Shader Model

6.8

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