AMD Radeon RX 6600M vs AMD Radeon RX 6800S

VS

AMD Radeon RX 6600M

AMD Radeon RX 6800S

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6600M and 8GB VRAM Radeon RX 6800S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600M 's Advantages

Boost Clock has increased by 15% (2416MHz vs 2100MHz)

AMD Radeon RX 6800S 's Advantages

Released 8 months late

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

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600M

8.659 TFLOPS

Radeon RX 6800S

8.602 TFLOPS

3DMark Time Spy

Radeon RX 6600M

7998

Radeon RX 6800S +7%

8625

Blender

Radeon RX 6600M

1007

Radeon RX 6800S +110%

2120

Radeon RX 6600M

VS

Radeon RX 6800S

Graphics Card

May 2021

Release Date

Jan 2022

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

2068 MHz

Base Clock

1800 MHz

2416 MHz

Boost Clock

2100 MHz

1750 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

256.0GB/s

Render Config

28

Compute Units

32

-

1792

Shading Units

2048

112

TMUs

128

64

ROPs

64

-

28

RT Cores

32

128 KB per Array

L1 Cache

128 KB per Array

2 MB

L2 Cache

2 MB

32 MB

L3 Cache

32 MB

Theoretical Performance

154.6 GPixel/s

Pixel Rate

134.4 GPixel/s

270.6 GTexel/s

Texture Rate

268.8 GTexel/s

17.32 TFLOPS

FP16 (half)

17.20 TFLOPS

8.659 TFLOPS

FP32 (float)

8.602 TFLOPS

541.2 GFLOPS

FP64 (double)

537.6 GFLOPS

Board Design

100W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

Navi 23

-

RDNA 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

11.06 billion

Transistors

11.06 billion

237 mm²

Die Size

237 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.3

-

6.5

Shader Model

6.5

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