NVIDIA GeForce RTX 4080 Mobile vs AMD Radeon RX 580X Mobile

VS

NVIDIA GeForce RTX 4080 Mobile

AMD Radeon RX 580X Mobile

We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 4080 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 4080 Mobile 's Advantages

Released 4 years and 9 months late

Boost Clock has increased by 55% (1665MHz vs 1077MHz)

More VRAM (12GB vs 8GB)

Larger VRAM bandwidth (432.0GB/s vs 256.0GB/s)

5120 additional rendering cores

AMD Radeon RX 580X Mobile 's Advantages

Lower TDP (100W vs 110W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Mobile +398%

24.72 TFLOPS

Radeon RX 580X Mobile

4.963 TFLOPS

GeForce RTX 4080 Mobile

VS

Radeon RX 580X Mobile

Graphics Card

Jan 2023

Release Date

Apr 2018

GeForce 40 Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1290 MHz

Base Clock

1000 MHz

1665 MHz

Boost Clock

1077 MHz

2250 MHz

Memory Clock

2000 MHz

Memory

12GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

432.0GB/s

Bandwidth

256.0GB/s

Render Config

-

Compute Units

36

58

SM Count

-

7424

Shading Units

2304

232

TMUs

144

80

ROPs

32

232

Tensor Cores

-

58

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

48 MB

L2 Cache

2 MB

-

Theoretical Performance

133.2 GPixel/s

Pixel Rate

34.46 GPixel/s

386.3 GTexel/s

Texture Rate

155.1 GTexel/s

24.72 TFLOPS

FP16 (half)

4.963 TFLOPS

24.72 TFLOPS

FP32 (float)

4.963 TFLOPS

386.3 GFLOPS

FP64 (double)

310.2 GFLOPS

Board Design

110W

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

AD104

GPU Name

Polaris 20

GN21-X9

GPU Variant

Polaris 20M XT

Ada Lovelace

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

4 nm

Process Size

14 nm

35.8 billion

Transistors

5.7 billion

295 mm²

Die Size

232 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

8.9

CUDA

-

6.7

Shader Model

6.4

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