AMD Radeon 540 Mobile vs AMD Radeon RX 6600S

VS

AMD Radeon 540 Mobile AMD Radeon RX 6600S

We compared two Mobile platform GPUs: 2GB VRAM Radeon 540 Mobile and 4GB VRAM Radeon RX 6600S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 540 Mobile 's Advantages

Lower TDP (50W vs 80W)

AMD Radeon RX 6600S 's Advantages

Released 2 years and 10 months late

Boost Clock has increased by 78% (2000MHz vs 1124MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 48.00GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 540 Mobile

1.151 TFLOPS

Radeon RX 6600S +522%

7.168 TFLOPS

Radeon 540 Mobile

VS

Radeon RX 6600S

Graphics Card

Mar 2019

Release Date

Jan 2022

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

1100 MHz

Base Clock

1700 MHz

1124 MHz

Boost Clock

2000 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

224.0GB/s

Render Config

-

SM Count

-

8

Compute Units

28

512

Shading Units

1792

32

TMUs

112

16

ROPs

64

-

Tensor Cores

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

Theoretical Performance

17.98 GPixel/s

Pixel Rate

128.0 GPixel/s

35.97 GTexel/s

Texture Rate

224.0 GTexel/s

1151 GFLOPS

FP16 (half)

14.34 TFLOPS

1151 GFLOPS

FP32 (float)

7.168 TFLOPS

71.94 GFLOPS

FP64 (double)

448.0 GFLOPS

Graphics Processor

Lexa

GPU Name

Navi 23

Lexa PRO (215-0904018)

GPU Variant

-

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

2.2 billion

Transistors

11.06 billion

103 mm²

Die Size

237 mm²

Board Design

50W

TDP

80W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

6.4

Shader Model

6.5

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