AMD Radeon RX 6600S vs NVIDIA GeForce RTX 3080 Ti Mobile

VS

AMD Radeon RX 6600S

NVIDIA GeForce RTX 3080 Ti Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6600S and 16GB VRAM GeForce RTX 3080 Ti Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600S 's Advantages

Boost Clock has increased by 59% (2000MHz vs 1260MHz)

Lower TDP (80W vs 115W)

NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (512.0GB/s vs 224.0GB/s)

5632 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600S

7.168 TFLOPS

GeForce RTX 3080 Ti Mobile +161%

18.71 TFLOPS

Blender

Radeon RX 6600S

1115

GeForce RTX 3080 Ti Mobile +234%

3726

Radeon RX 6600S

VS

GeForce RTX 3080 Ti Mobile

Graphics Card

Jan 2022

Release Date

Jan 2022

Mobility Radeon

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1700 MHz

Base Clock

810 MHz

2000 MHz

Boost Clock

1260 MHz

1750 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

512.0GB/s

Render Config

28

Compute Units

-

SM Count

58

1792

Shading Units

7424

112

TMUs

232

64

ROPs

96

-

Tensor Cores

232

28

RT Cores

58

128 KB per Array

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

4 MB

32 MB

L3 Cache

-

Theoretical Performance

128.0 GPixel/s

Pixel Rate

121.0 GPixel/s

224.0 GTexel/s

Texture Rate

292.3 GTexel/s

14.34 TFLOPS

FP16 (half)

18.71 TFLOPS

7.168 TFLOPS

FP32 (float)

18.71 TFLOPS

448.0 GFLOPS

FP64 (double)

292.3 GFLOPS

Board Design

80W

TDP

115W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

GA103S

-

GPU Variant

GN20-E8-A1

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

7 nm

Process Size

8 nm

11.06 billion

Transistors

Unknown

237 mm²

Die Size

496 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.6

6.5

Shader Model

6.5

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