NVIDIA GeForce RTX 3080 Max Q vs AMD Radeon RX 6600S

VS

NVIDIA GeForce RTX 3080 Max Q AMD Radeon RX 6600S

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Max Q and 4GB VRAM Radeon RX 6600S 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

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (384.0GB/s vs 224.0GB/s)

4352 additional rendering cores

AMD Radeon RX 6600S 's Advantages

Released 1 years late

Boost Clock has increased by 61% (2000MHz vs 1245MHz)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Max Q +113%

15.3 TFLOPS

Radeon RX 6600S

7.168 TFLOPS

GeForce RTX 3080 Max Q

VS

Radeon RX 6600S

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

1700 MHz

1245 MHz

Boost Clock

2000 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

128bit

384.0GB/s

Bandwidth

224.0GB/s

Render Config

48

SM Count

-

Compute Units

28

6144

Shading Units

1792

192

TMUs

112

96

ROPs

64

192

Tensor Cores

-

48

RT Cores

28

128 KB (per SM)

L1 Cache

128 KB per Array

4 MB

L2 Cache

2 MB

Theoretical Performance

119.5 GPixel/s

Pixel Rate

128.0 GPixel/s

239.0 GTexel/s

Texture Rate

224.0 GTexel/s

15.30 TFLOPS

FP16 (half)

14.34 TFLOPS

15.30 TFLOPS

FP32 (float)

7.168 TFLOPS

239.0 GFLOPS

FP64 (double)

448.0 GFLOPS

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

Board Design

80W

TDP

80W

-

Suggested PSU

-

No outputs

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

8.6

CUDA

-

6.6

Shader Model

6.5

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