AMD Radeon Pro 555X vs NVIDIA GeForce RTX 3080 Mobile

VS

AMD Radeon Pro 555X

NVIDIA GeForce RTX 3080 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 8GB VRAM GeForce RTX 3080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555X 's Advantages

Lower TDP (75W vs 115W)

NVIDIA GeForce RTX 3080 Mobile 's Advantages

Released 2 years and 6 months late

Boost Clock1545MHz

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (448.0GB/s vs 94.08GB/s)

5376 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 555X

1.393 TFLOPS

GeForce RTX 3080 Mobile +1262%

18.98 TFLOPS

Radeon Pro 555X

VS

GeForce RTX 3080 Mobile

Graphics Card

Jul 2018

Release Date

Jan 2021

Radeon Pro Mac

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1110 MHz

-

Boost Clock

1545 MHz

1470 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

94.08GB/s

Bandwidth

448.0GB/s

Render Config

12

Compute Units

-

SM Count

48

768

Shading Units

6144

48

TMUs

192

16

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

16 KB (per CU)

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

4 MB

-

Theoretical Performance

14.51 GPixel/s

Pixel Rate

148.3 GPixel/s

43.54 GTexel/s

Texture Rate

296.6 GTexel/s

1393 GFLOPS

FP16 (half)

18.98 TFLOPS

1393 GFLOPS

FP32 (float)

18.98 TFLOPS

87.07 GFLOPS

FP64 (double)

296.6 GFLOPS

Board Design

75W

TDP

115W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 21

GPU Name

GA104

Polaris 21 PRO

GPU Variant

GA104-775-A1

GCN 4.0

Architecture

Ampere

GlobalFoundries

Foundry

Samsung

14 nm

Process Size

8 nm

3 billion

Transistors

17.4 billion

123 mm²

Die Size

392 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

6.4

Shader Model

6.6

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