NVIDIA GeForce RTX 4090 Max-Q vs AMD Radeon 520 Mobile

VS

NVIDIA GeForce RTX 4090 Max-Q AMD Radeon 520 Mobile

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Max Q and 2GB VRAM Radeon 520 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Max-Q 's Advantages

Released 5 years and 9 months late

Boost Clock1455MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 16.00GB/s)

9408 additional rendering cores

AMD Radeon 520 Mobile 's Advantages

Lower TDP (50W vs 80W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Max Q +4195%

28.31 TFLOPS

Radeon 520 Mobile

0.659 TFLOPS

GeForce RTX 4090 Max Q

VS

Radeon 520 Mobile

Graphics Card

Jan 2023

Release Date

Apr 2017

GeForce 40 Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

930 MHz

Base Clock

-

1455 MHz

Boost Clock

-

1750 MHz

Memory Clock

1000 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

64bit

448.0GB/s

Bandwidth

16.00GB/s

Render Config

76

SM Count

-

Compute Units

5

9728

Shading Units

320

304

TMUs

20

112

ROPs

8

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

128 KB

Theoretical Performance

163.0 GPixel/s

Pixel Rate

8.240 GPixel/s

442.3 GTexel/s

Texture Rate

20.60 GTexel/s

28.31 TFLOPS

FP16 (half)

-

28.31 TFLOPS

FP32 (float)

659.2 GFLOPS

442.3 GFLOPS

FP64 (double)

41.20 GFLOPS

Graphics Processor

AD103

GPU Name

Banks

GN21-X11

GPU Variant

Banks PRO (216-0568010)

Ada Lovelace

Architecture

GCN 1.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

45.9 billion

Transistors

0.69 billion

379 mm²

Die Size

56 mm²

Board Design

80W

TDP

50W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.9

CUDA

-

6.7

Shader Model

5.1

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