NVIDIA GeForce 820M vs AMD Radeon RX 6600M

VS

NVIDIA GeForce 820M

AMD Radeon RX 6600M

We compared two Mobile platform GPUs: 2GB VRAM GeForce 820M and 8GB VRAM Radeon RX 6600M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 820M 's Advantages

Lower TDP (45W vs 100W)

AMD Radeon RX 6600M 's Advantages

Released 6 years and 2 months late

Boost Clock2416MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 28.83GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 820M

0.622 TFLOPS

Radeon RX 6600M +1292%

8.659 TFLOPS

GeForce 820M

VS

Radeon RX 6600M

Graphics Card

Mar 2015

Release Date

May 2021

GeForce 800M

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

2068 MHz

-

Boost Clock

2416 MHz

901 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

128bit

28.83GB/s

Bandwidth

224.0GB/s

Render Config

-

Compute Units

28

-

384

Shading Units

1792

32

TMUs

112

16

ROPs

64

-

RT Cores

28

16 KB (per SMX)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

6.480 GPixel/s

Pixel Rate

154.6 GPixel/s

25.92 GTexel/s

Texture Rate

270.6 GTexel/s

-

FP16 (half)

17.32 TFLOPS

622.1 GFLOPS

FP32 (float)

8.659 TFLOPS

25.92 GFLOPS

FP64 (double)

541.2 GFLOPS

Board Design

45W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

Navi 23

-

Kepler

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

1.27 billion

Transistors

11.06 billion

118 mm²

Die Size

237 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.5

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