AMD Radeon RX 6600M vs NVIDIA GeForce 620M

VS

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6600M and 1024MB VRAM GeForce 620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600M 's Advantages

Released 9 years and 2 months late

Boost Clock2416MHz

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (224.0GB/s vs 14.40GB/s)

1696 additional rendering cores

NVIDIA GeForce 620M 's Advantages

Lower TDP (15W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 6600M +3507%

8.659 TFLOPS

GeForce 620M

0.24 TFLOPS

Radeon RX 6600M

VS

GeForce 620M

Graphics Card

May 2021

Release Date

Mar 2012

Mobility Radeon

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

2068 MHz

Base Clock

-

2416 MHz

Boost Clock

-

1750 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

64bit

224.0GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

2

28

Compute Units

-

1792

Shading Units

96

112

TMUs

16

64

ROPs

8

-

Tensor Cores

-

28

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

128 KB

Theoretical Performance

154.6 GPixel/s

Pixel Rate

2.500 GPixel/s

270.6 GTexel/s

Texture Rate

10.00 GTexel/s

17.32 TFLOPS

FP16 (half)

-

8.659 TFLOPS

FP32 (float)

240.0 GFLOPS

541.2 GFLOPS

FP64 (double)

20.00 GFLOPS

Graphics Processor

Navi 23

GPU Name

GF117

-

GPU Variant

N13P-GLP

RDNA 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

0.585 billion

237 mm²

Die Size

116 mm²

Board Design

100W

TDP

15W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

2.1

6.5

Shader Model

5.1

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