NVIDIA GeForce RTX 5080 Mobile vs AMD Radeon RX 6550S

VS

NVIDIA GeForce RTX 5080 Mobile

AMD Radeon RX 6550S

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 5080 Mobile and 4GB VRAM Radeon RX 6550S 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 2 years late

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (1.01TB/s vs 128.0GB/s)

7168 additional rendering cores

AMD Radeon RX 6550S 's Advantages

Boost Clock has increased by 20% (2400MHz vs 2000MHz)

Lower TDP (50W vs 175W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080 Mobile +566%

32.77 TFLOPS

Radeon RX 6550S

4.915 TFLOPS

GeForce RTX 5080 Mobile

VS

Radeon RX 6550S

Graphics Card

Jan 2025

Release Date

Jan 2023

GeForce 50 Mobile

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

1500 MHz

Base Clock

2000 MHz

Boost Clock

2400 MHz

2500 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

4GB

GDDR7

Memory Type

GDDR6

256bit

Memory Bus

64bit

1.01TB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

16

64

SM Count

-

8192

Shading Units

1024

256

TMUs

64

96

ROPs

32

256

Tensor Cores

-

64

RT Cores

16

128 KB (per SM)

L1 Cache

128 KB per Array

64 MB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

192.0 GPixel/s

Pixel Rate

76.80 GPixel/s

512.0 GTexel/s

Texture Rate

153.6 GTexel/s

32.77 TFLOPS

FP16 (half)

9.830 TFLOPS

32.77 TFLOPS

FP32 (float)

4.915 TFLOPS

512.0 GFLOPS

FP64 (double)

307.2 GFLOPS

Board Design

175W

TDP

50W

550 W

Suggested PSU

-

1x HDMI 2.13x DisplayPort 1.4a

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GB203

GPU Name

Navi 24

-

GPU Variant

Navi 24

Blackwell 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

4 nm

Process Size

6 nm

Unknown

Transistors

5.4 billion

377 mm²

Die Size

107 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.3

Vulkan

1.3

10.1

CUDA

-

6.8

Shader Model

6.7

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