AMD Radeon Pro 555X vs NVIDIA GeForce RTX 3080 Ti Max Q

VS

AMD Radeon Pro 555X

NVIDIA GeForce RTX 3080 Ti Max Q

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 16GB VRAM GeForce RTX 3080 Ti Max Q 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 80W)

NVIDIA GeForce RTX 3080 Ti Max Q 's Advantages

Released 3 years and 6 months late

Boost Clock1125MHz

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (384.0GB/s vs 94.08GB/s)

6656 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 555X

1.393 TFLOPS

GeForce RTX 3080 Ti Max Q +1098%

16.7 TFLOPS

Radeon Pro 555X

VS

GeForce RTX 3080 Ti Max Q

Graphics Card

Jul 2018

Release Date

Jan 2022

Radeon Pro Mac

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

585 MHz

-

Boost Clock

1125 MHz

1470 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

94.08GB/s

Bandwidth

384.0GB/s

Render Config

12

Compute Units

-

SM Count

58

768

Shading Units

7424

48

TMUs

232

16

ROPs

96

-

Tensor Cores

232

-

RT Cores

58

16 KB (per CU)

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

4 MB

-

Theoretical Performance

14.51 GPixel/s

Pixel Rate

108.0 GPixel/s

43.54 GTexel/s

Texture Rate

261.0 GTexel/s

1393 GFLOPS

FP16 (half)

16.70 TFLOPS

1393 GFLOPS

FP32 (float)

16.70 TFLOPS

87.07 GFLOPS

FP64 (double)

261.0 GFLOPS

Board Design

75W

TDP

80W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 21

GPU Name

GA103S

Polaris 21 PRO

GPU Variant

GN20-E8-A1

GCN 4.0

Architecture

Ampere

GlobalFoundries

Foundry

Samsung

14 nm

Process Size

8 nm

3 billion

Transistors

Unknown

123 mm²

Die Size

496 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

6.5

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