NVIDIA GeForce RTX 4080 Mobile vs AMD Radeon RX 6650M

VS

NVIDIA GeForce RTX 4080 Mobile AMD Radeon RX 6650M

We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 4080 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 4080 Mobile 's Advantages

Released 1 years late

More VRAM (12GB vs 8GB)

Larger VRAM bandwidth (432.0GB/s vs 256.0GB/s)

5632 additional rendering cores

Lower TDP (110W vs 120W)

AMD Radeon RX 6650M 's Advantages

Boost Clock has increased by 45% (2416MHz vs 1665MHz)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Mobile +185%

24.72 TFLOPS

Radeon RX 6650M

8.659 TFLOPS

Blender

GeForce RTX 4080 Mobile +563%

6033

Radeon RX 6650M

909

GeForce RTX 4080 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

1290 MHz

Base Clock

2068 MHz

1665 MHz

Boost Clock

2416 MHz

2250 MHz

Memory Clock

2000 MHz

Memory

12GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

192bit

Memory Bus

128bit

432.0GB/s

Bandwidth

256.0GB/s

Render Config

58

SM Count

-

Compute Units

28

7424

Shading Units

1792

232

TMUs

112

80

ROPs

64

232

Tensor Cores

-

58

RT Cores

28

128 KB (per SM)

L1 Cache

128 KB per Array

48 MB

L2 Cache

2 MB

Theoretical Performance

133.2 GPixel/s

Pixel Rate

154.6 GPixel/s

386.3 GTexel/s

Texture Rate

270.6 GTexel/s

24.72 TFLOPS

FP16 (half)

17.32 TFLOPS

24.72 TFLOPS

FP32 (float)

8.659 TFLOPS

386.3 GFLOPS

FP64 (double)

541.2 GFLOPS

Graphics Processor

AD104

GPU Name

Navi 23

GN21-X9

GPU Variant

-

Ada Lovelace

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

4 nm

Process Size

7 nm

35.8 billion

Transistors

11.06 billion

295 mm²

Die Size

237 mm²

Board Design

110W

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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