NVIDIA GeForce RTX 3080 Ti Mobile vs AMD Radeon RX 6650M

VS

NVIDIA GeForce RTX 3080 Ti Mobile

AMD Radeon RX 6650M

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Ti 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 3080 Ti Mobile 's Advantages

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (512.0GB/s vs 256.0GB/s)

5632 additional rendering cores

Lower TDP (115W vs 120W)

AMD Radeon RX 6650M 's Advantages

Boost Clock has increased by 92% (2416MHz vs 1260MHz)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti Mobile +116%

18.71 TFLOPS

Radeon RX 6650M

8.659 TFLOPS

Blender

GeForce RTX 3080 Ti Mobile +309%

3726

Radeon RX 6650M

909

GeForce RTX 3080 Ti Mobile

VS

Radeon RX 6650M

Graphics Card

Jan 2022

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

810 MHz

Base Clock

2068 MHz

1260 MHz

Boost Clock

2416 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

256.0GB/s

Render Config

-

Compute Units

28

58

SM Count

-

7424

Shading Units

1792

232

TMUs

112

96

ROPs

64

232

Tensor Cores

-

58

RT Cores

28

128 KB (per SM)

L1 Cache

128 KB per Array

4 MB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

121.0 GPixel/s

Pixel Rate

154.6 GPixel/s

292.3 GTexel/s

Texture Rate

270.6 GTexel/s

18.71 TFLOPS

FP16 (half)

17.32 TFLOPS

18.71 TFLOPS

FP32 (float)

8.659 TFLOPS

292.3 GFLOPS

FP64 (double)

541.2 GFLOPS

Board Design

115W

TDP

120W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GA103S

GPU Name

Navi 23

GN20-E8-A1

GPU Variant

-

Ampere

Architecture

RDNA 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

Unknown

Transistors

11.06 billion

496 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

-

6.5

Shader Model

6.5

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