AMD Radeon RX 6600M vs NVIDIA GeForce RTX 2080 Mobile

VS

AMD Radeon RX 6600M

NVIDIA GeForce RTX 2080 Mobile

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6600M and 8GB VRAM GeForce RTX 2080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600M 's Advantages

Released 2 years and 4 months late

Boost Clock has increased by 52% (2416MHz vs 1590MHz)

Lower TDP (100W vs 150W)

NVIDIA GeForce RTX 2080 Mobile 's Advantages

Larger VRAM bandwidth (448.0GB/s vs 224.0GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600M

8.659 TFLOPS

GeForce RTX 2080 Mobile +8%

9.362 TFLOPS

3DMark Time Spy

Radeon RX 6600M

7998

GeForce RTX 2080 Mobile +25%

10077

Radeon RX 6600M

VS

GeForce RTX 2080 Mobile

Graphics Card

May 2021

Release Date

Jan 2019

Mobility Radeon

Generation

GeForce 20 Mobile

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

2068 MHz

Base Clock

1380 MHz

2416 MHz

Boost Clock

1590 MHz

1750 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

448.0GB/s

Render Config

28

Compute Units

-

SM Count

46

1792

Shading Units

2944

112

TMUs

184

64

ROPs

64

-

Tensor Cores

368

28

RT Cores

46

128 KB per Array

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

4 MB

32 MB

L3 Cache

-

Theoretical Performance

154.6 GPixel/s

Pixel Rate

101.8 GPixel/s

270.6 GTexel/s

Texture Rate

292.6 GTexel/s

17.32 TFLOPS

FP16 (half)

18.72 TFLOPS

8.659 TFLOPS

FP32 (float)

9.362 TFLOPS

541.2 GFLOPS

FP64 (double)

292.6 GFLOPS

Board Design

100W

TDP

150W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 23

GPU Name

TU104

-

GPU Variant

N18E-G3-A1

RDNA 2.0

Architecture

Turing

TSMC

Foundry

TSMC

7 nm

Process Size

12 nm

11.06 billion

Transistors

13.6 billion

237 mm²

Die Size

545 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

7.5

6.5

Shader Model

6.6

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