AMD Radeon RX 6600S vs AMD Radeon RX 580 Mobile

VS

AMD Radeon RX 6600S

AMD Radeon RX 580 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6600S and 8GB VRAM Radeon RX 580 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600S 's Advantages

Released 4 years and 9 months late

Boost Clock has increased by 86% (2000MHz vs 1077MHz)

Lower TDP (80W vs 100W)

AMD Radeon RX 580 Mobile 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 224.0GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600S +44%

7.168 TFLOPS

Radeon RX 580 Mobile

4.963 TFLOPS

Radeon RX 6600S

VS

Radeon RX 580 Mobile

Graphics Card

Jan 2022

Release Date

Apr 2017

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1700 MHz

Base Clock

1000 MHz

2000 MHz

Boost Clock

1077 MHz

1750 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

256.0GB/s

Render Config

28

Compute Units

36

-

1792

Shading Units

2304

112

TMUs

144

64

ROPs

32

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

2 MB

32 MB

L3 Cache

-

Theoretical Performance

128.0 GPixel/s

Pixel Rate

34.46 GPixel/s

224.0 GTexel/s

Texture Rate

155.1 GTexel/s

14.34 TFLOPS

FP16 (half)

4.963 TFLOPS

7.168 TFLOPS

FP32 (float)

4.963 TFLOPS

448.0 GFLOPS

FP64 (double)

310.2 GFLOPS

Board Design

80W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

Polaris 20

-

GPU Variant

Polaris 20M XT

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

11.06 billion

Transistors

5.7 billion

237 mm²

Die Size

232 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.2

-

6.5

Shader Model

6.4

Related GPU Comparisons

1

AMD Radeon RX 6600S vs AMD Radeon Pro WX 4130 Mobile

2

AMD Radeon RX 6600S vs NVIDIA GeForce GTX 970M

3

AMD Radeon RX 6600S vs ATI Mobility Radeon HD 4870

4

AMD Radeon RX 6600S vs NVIDIA GeForce GTX 870M

5

AMD Radeon RX 6600S vs AMD Radeon 540X Mobile

6

AMD Radeon RX 6600S vs NVIDIA RTX 3500 Mobile Ada Generation

7

AMD Radeon RX 6600S vs AMD Radeon HD 6970M Mac Edition

8

AMD Radeon RX 6600S vs NVIDIA GeForce GT 750M Mac Edition

9

AMD Radeon RX 6600S vs NVIDIA GeForce RTX 4060 Max-Q

10

AMD Radeon RX 6600S vs AMD Radeon Pro Vega 20

Related News

1

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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