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

VS

NVIDIA GeForce RTX 5080 Mobile

AMD Radeon RX 550X Mobile

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

Main Differences

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

AMD Radeon RX 550X Mobile 's Advantages

Lower TDP (50W vs 175W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080 Mobile +2077%

32.77 TFLOPS

Radeon RX 550X Mobile

1.505 TFLOPS

GeForce RTX 5080 Mobile

VS

Radeon RX 550X Mobile

Graphics Card

Jan 2025

Release Date

Apr 2018

GeForce 50 Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 5.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1500 MHz

Base Clock

1100 MHz

2000 MHz

Boost Clock

1176 MHz

2500 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

2GB

GDDR7

Memory Type

GDDR5

256bit

Memory Bus

64bit

1.01TB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

64

SM Count

-

8192

Shading Units

640

256

TMUs

40

96

ROPs

16

256

Tensor Cores

-

64

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

512 KB

-

Theoretical Performance

192.0 GPixel/s

Pixel Rate

18.82 GPixel/s

512.0 GTexel/s

Texture Rate

47.04 GTexel/s

32.77 TFLOPS

FP16 (half)

1.505 TFLOPS

32.77 TFLOPS

FP32 (float)

1.505 TFLOPS

512.0 GFLOPS

FP64 (double)

94.08 GFLOPS

Board Design

175W

TDP

50W

550 W

Suggested PSU

-

1x HDMI 2.13x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GB203

GPU Name

Polaris 23

-

GPU Variant

Polaris 23 MXT

Blackwell 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

4 nm

Process Size

14 nm

Unknown

Transistors

2.2 billion

377 mm²

Die Size

103 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

10.1

CUDA

-

6.8

Shader Model

6.4

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