NVIDIA GeForce RTX 3080 Max Q vs AMD Radeon RX 6650M XT

VS

NVIDIA GeForce RTX 3080 Max Q

AMD Radeon RX 6650M XT

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Max Q and 8GB VRAM Radeon RX 6650M XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Max Q 's Advantages

Larger VRAM bandwidth (384.0GB/s vs 256.0GB/s)

4096 additional rendering cores

Lower TDP (80W vs 120W)

AMD Radeon RX 6650M XT 's Advantages

Released 1 years late

Boost Clock has increased by 94% (2416MHz vs 1245MHz)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Max Q +54%

15.3 TFLOPS

Radeon RX 6650M XT

9.896 TFLOPS

GeForce RTX 3080 Max Q

VS

Radeon RX 6650M XT

Graphics Card

Jan 2021

Release Date

Jan 2022

GeForce 30 Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

780 MHz

Base Clock

2068 MHz

1245 MHz

Boost Clock

2416 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

128bit

384.0GB/s

Bandwidth

256.0GB/s

Render Config

-

Compute Units

32

48

SM Count

-

6144

Shading Units

2048

192

TMUs

128

96

ROPs

64

192

Tensor Cores

-

48

RT Cores

32

128 KB (per SM)

L1 Cache

128 KB per Array

4 MB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

119.5 GPixel/s

Pixel Rate

154.6 GPixel/s

239.0 GTexel/s

Texture Rate

309.2 GTexel/s

15.30 TFLOPS

FP16 (half)

19.79 TFLOPS

15.30 TFLOPS

FP32 (float)

9.896 TFLOPS

239.0 GFLOPS

FP64 (double)

618.5 GFLOPS

Board Design

80W

TDP

120W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GA104

GPU Name

Navi 23

GA104-775-A1

GPU Variant

-

Ampere

Architecture

RDNA 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

17.4 billion

Transistors

11.06 billion

392 mm²

Die Size

237 mm²

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

8.6

CUDA

-

6.6

Shader Model

6.5

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