AMD Radeon RX 6600S vs NVIDIA GeForce GT 820M

VS

AMD Radeon RX 6600S

NVIDIA GeForce GT 820M

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6600S and 1024MB VRAM GeForce GT 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600S 's Advantages

Released 8 years and 2 months late

Boost Clock2000MHz

More VRAM (4GB vs 1024GB)

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

1696 additional rendering cores

NVIDIA GeForce GT 820M 's Advantages

Lower TDP (15W vs 80W)

Score

Benchmark

FP32 (float)

Radeon RX 6600S +2305%

7.168 TFLOPS

GeForce GT 820M

0.298 TFLOPS

Radeon RX 6600S

VS

GeForce GT 820M

Graphics Card

Jan 2022

Release Date

Nov 2013

Mobility Radeon

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1700 MHz

Base Clock

-

2000 MHz

Boost Clock

-

1750 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

64bit

224.0GB/s

Bandwidth

14.40GB/s

Render Config

28

Compute Units

-

SM Count

2

1792

Shading Units

96

112

TMUs

16

64

ROPs

8

-

28

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

128 KB

32 MB

L3 Cache

-

Theoretical Performance

128.0 GPixel/s

Pixel Rate

3.100 GPixel/s

224.0 GTexel/s

Texture Rate

12.40 GTexel/s

14.34 TFLOPS

FP16 (half)

-

7.168 TFLOPS

FP32 (float)

297.6 GFLOPS

448.0 GFLOPS

FP64 (double)

24.80 GFLOPS

Board Design

80W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 23

GPU Name

GF117

-

GPU Variant

N15V-GM

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

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

Related GPU Comparisons

1

AMD Radeon RX 6600S vs AMD Radeon RX 7600M

2

AMD Radeon RX 6600S vs AMD FirePro M3100

3

AMD Radeon RX 6600S vs NVIDIA RTX 2000 Embedded Ada Generation

4

AMD Radeon RX 6600S vs Intel Arc A770M

5

AMD Radeon RX 6600S vs NVIDIA GeForce 945A

6

AMD Radeon RX 6600S vs NVIDIA GeForce 620M

7

AMD Radeon RX 6600S vs AMD Radeon R5 M315

8

AMD Radeon RX 6600S vs AMD Radeon HD 6430M

9

AMD Radeon RX 6600S vs ATI Mobility Radeon X1900

10

AMD Radeon RX 6600S vs NVIDIA GeForce RTX 4070 Max-Q

Related News

1

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

2

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

3

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

4

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

5

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

6

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

7

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

8

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

9

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game