NVIDIA GeForce RTX 4090 Mobile vs AMD Radeon RX 6650M

VS

NVIDIA GeForce RTX 4090 Mobile AMD Radeon RX 6650M

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Mobile and 8GB VRAM Radeon RX 6650M 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 1 years late

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (576.0GB/s vs 256.0GB/s)

7936 additional rendering cores

AMD Radeon RX 6650M 's Advantages

Boost Clock has increased by 43% (2416MHz vs 1695MHz)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Mobile +280%

32.98 TFLOPS

Radeon RX 6650M

8.659 TFLOPS

Blender

GeForce RTX 4090 Mobile +761%

7828

Radeon RX 6650M

909

GeForce RTX 4090 Mobile

VS

Radeon RX 6650M

Graphics Card

Jan 2023

Release Date

Jan 2022

GeForce 40 Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1335 MHz

Base Clock

2068 MHz

1695 MHz

Boost Clock

2416 MHz

2250 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

256.0GB/s

Render Config

76

SM Count

-

Compute Units

28

9728

Shading Units

1792

304

TMUs

112

ROPs

64

304

Tensor Cores

-

76

RT Cores

28

128 KB (per SM)

L1 Cache

128 KB per Array

64 MB

L2 Cache

2 MB

Theoretical Performance

189.8 GPixel/s

Pixel Rate

154.6 GPixel/s

515.3 GTexel/s

Texture Rate

270.6 GTexel/s

32.98 TFLOPS

FP16 (half)

17.32 TFLOPS

32.98 TFLOPS

FP32 (float)

8.659 TFLOPS

515.3 GFLOPS

FP64 (double)

541.2 GFLOPS

Graphics Processor

AD103

GPU Name

Navi 23

GN21-X11

GPU Variant

-

Ada Lovelace

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

4 nm

Process Size

7 nm

45.9 billion

Transistors

11.06 billion

379 mm²

Die Size

237 mm²

Board Design

120W

TDP

120W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

8.9

CUDA

-

6.7

Shader Model

6.5

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