NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon RX 580X Mobile

VS

NVIDIA GeForce RTX 3080 Mobile AMD Radeon RX 580X Mobile

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Mobile and 8GB VRAM Radeon RX 580X 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 43% (1545MHz vs 1077MHz)

Larger VRAM bandwidth (448.0GB/s vs 256.0GB/s)

3840 additional rendering cores

AMD Radeon RX 580X Mobile 's Advantages

Lower TDP (100W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile +282%

18.98 TFLOPS

Radeon RX 580X Mobile

4.963 TFLOPS

GeForce RTX 3080 Mobile

VS

Radeon RX 580X Mobile

Graphics Card

Jan 2021

Release Date

Apr 2018

GeForce 30 Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1110 MHz

Base Clock

1000 MHz

1545 MHz

Boost Clock

1077 MHz

1750 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

448.0GB/s

Bandwidth

256.0GB/s

Render Config

48

SM Count

-

Compute Units

36

6144

Shading Units

2304

192

TMUs

144

96

ROPs

32

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

2 MB

Theoretical Performance

148.3 GPixel/s

Pixel Rate

34.46 GPixel/s

296.6 GTexel/s

Texture Rate

155.1 GTexel/s

18.98 TFLOPS

FP16 (half)

4.963 TFLOPS

18.98 TFLOPS

FP32 (float)

4.963 TFLOPS

296.6 GFLOPS

FP64 (double)

310.2 GFLOPS

Graphics Processor

GA104

GPU Name

Polaris 20

GA104-775-A1

GPU Variant

Polaris 20M XT

Ampere

Architecture

GCN 4.0

Samsung

Foundry

GlobalFoundries

8 nm

Process Size

14 nm

17.4 billion

Transistors

5.7 billion

392 mm²

Die Size

232 mm²

Board Design

115W

TDP

100W

-

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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