NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon 550X Mobile

VS

NVIDIA GeForce RTX 3080 Mobile AMD Radeon 550X Mobile

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Mobile and 4GB VRAM Radeon 550X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Mobile 's Advantages

Released 2 years and 9 months late

Boost Clock has increased by 20% (1545MHz vs 1287MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (448.0GB/s vs 48.00GB/s)

5504 additional rendering cores

AMD Radeon 550X Mobile 's Advantages

Lower TDP (50W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile +1052%

18.98 TFLOPS

Radeon 550X Mobile

1.647 TFLOPS

GeForce RTX 3080 Mobile

VS

Radeon 550X Mobile

Graphics Card

Jan 2021

Release Date

Apr 2018

GeForce 30 Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1110 MHz

Base Clock

1100 MHz

1545 MHz

Boost Clock

1287 MHz

1750 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

64bit

448.0GB/s

Bandwidth

48.00GB/s

Render Config

48

SM Count

-

Compute Units

10

6144

Shading Units

640

192

TMUs

40

96

ROPs

16

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

Theoretical Performance

148.3 GPixel/s

Pixel Rate

20.59 GPixel/s

296.6 GTexel/s

Texture Rate

51.48 GTexel/s

18.98 TFLOPS

FP16 (half)

1.647 TFLOPS

18.98 TFLOPS

FP32 (float)

1.647 TFLOPS

296.6 GFLOPS

FP64 (double)

103.0 GFLOPS

Graphics Processor

GA104

GPU Name

Polaris 23

GA104-775-A1

GPU Variant

Polaris 23 MXT

Ampere

Architecture

GCN 4.0

Samsung

Foundry

GlobalFoundries

8 nm

Process Size

14 nm

17.4 billion

Transistors

2.2 billion

392 mm²

Die Size

103 mm²

Board Design

115W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

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

8.6

CUDA

-

6.6

Shader Model

6.4

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