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

VS

AMD Radeon RX 6600M

NVIDIA GeForce RTX 3080 Max Q

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6600M and 8GB VRAM GeForce RTX 3080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600M 's Advantages

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

NVIDIA GeForce RTX 3080 Max Q 's Advantages

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

4352 additional rendering cores

Lower TDP (80W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 6600M

8.659 TFLOPS

GeForce RTX 3080 Max Q +76%

15.3 TFLOPS

Radeon RX 6600M

VS

GeForce RTX 3080 Max Q

Graphics Card

May 2021

Release Date

Jan 2021

Mobility Radeon

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

2068 MHz

Base Clock

780 MHz

2416 MHz

Boost Clock

1245 MHz

1750 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

384.0GB/s

Render Config

28

Compute Units

-

SM Count

48

1792

Shading Units

6144

112

TMUs

192

64

ROPs

96

-

Tensor Cores

192

28

RT Cores

48

128 KB per Array

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

4 MB

32 MB

L3 Cache

-

Theoretical Performance

154.6 GPixel/s

Pixel Rate

119.5 GPixel/s

270.6 GTexel/s

Texture Rate

239.0 GTexel/s

17.32 TFLOPS

FP16 (half)

15.30 TFLOPS

8.659 TFLOPS

FP32 (float)

15.30 TFLOPS

541.2 GFLOPS

FP64 (double)

239.0 GFLOPS

Board Design

100W

TDP

80W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

GA104

-

GPU Variant

GA104-775-A1

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

7 nm

Process Size

8 nm

11.06 billion

Transistors

17.4 billion

237 mm²

Die Size

392 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

6.6

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