NVIDIA GeForce RTX 4090 Mobile vs AMD Radeon Pro 555

VS

NVIDIA GeForce RTX 4090 Mobile AMD Radeon Pro 555

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Mobile and 2GB VRAM Radeon Pro 555 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Mobile 's Advantages

Released 5 years and 7 months late

Boost Clock1695MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 81.60GB/s)

8960 additional rendering cores

AMD Radeon Pro 555 's Advantages

Lower TDP (75W vs 120W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Mobile +2425%

32.98 TFLOPS

Radeon Pro 555

1.306 TFLOPS

GeForce RTX 4090 Mobile

VS

Radeon Pro 555

Graphics Card

Jan 2023

Release Date

Jun 2017

GeForce 40 Mobile

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1335 MHz

Base Clock

-

1695 MHz

Boost Clock

-

2250 MHz

Memory Clock

1275 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

81.60GB/s

Render Config

76

SM Count

-

Compute Units

12

9728

Shading Units

768

304

TMUs

48

112

ROPs

16

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

1024 KB

Theoretical Performance

189.8 GPixel/s

Pixel Rate

13.60 GPixel/s

515.3 GTexel/s

Texture Rate

40.80 GTexel/s

32.98 TFLOPS

FP16 (half)

1306 GFLOPS

32.98 TFLOPS

FP32 (float)

1306 GFLOPS

515.3 GFLOPS

FP64 (double)

81.60 GFLOPS

Graphics Processor

AD103

GPU Name

Polaris 21

GN21-X11

GPU Variant

Polaris 21 PRO

Ada Lovelace

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

4 nm

Process Size

14 nm

45.9 billion

Transistors

3 billion

379 mm²

Die Size

123 mm²

Board Design

120W

TDP

75W

-

Suggested PSU

-

Portable Device Dependent

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

8.9

CUDA

-

6.7

Shader Model

6.4

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