csr8675硬件支持蓝牙5.0还是4.2？5.0是不是后来软升级达到的效果？

csr8675硬件支持蓝牙5.0还是4.2？5.0是不是后来软升级达到的效果？
另外这颗芯片有什么优势，相较realtekRTL8763B等蓝牙芯片？

自己收集的材料

Embedded Flash Solution for Premium Bluetooth Audio Applications

CSR8675 is a premium tier single-chip solution delivering high quality wireless audio performance and supporting the development of highly differentiated premium wireless audio products. Integrated support for aptX, aptX HD, Active Noise Cancellation and Qualcomm TrueWireless stereo.

CSR8675, Qualcomm Kalimba, Qualcomm aptX, Qualcomm cVc and Qualcomm TrueWireless are products of Qualcomm Technologies, Inc., and/or its subsidiaries.
Featured Documents
Product Brief
Specifications
DSP
DSP Technology: Qualcomm® Kalimba™ DSP

DSP Clock Speed: 120MHz

Bluetooth
Bluetooth Version: Bluetooth 5.0

Bluetooth Radio: +10dBm maximum output power (typical), -90dBm receiver sensitivity (basic rate, typical)

USB
USB Support: Supports USB charger detection

USB Version: USB 2.0 (Full Speed)

General Audio
Audio Technology: Qualcomm TrueWireless™ Technology, Qualcomm® Broadcast Audio technology, Qualcomm® aptX™ audio technology, Qualcomm® cVc™ audio technology, 24 bit audio data path

Qualcomm® aptX™ audio playback support: aptX Classic, aptX HD, Qualcomm® eXtension program

Analog Microphone Input: 2 analog mics/line inputs (up to 96kHz sample rate)

Digital Microphone Input: 6 digital mics

Analog DAC output: 2 analog DAC channels (up to 192kHz sample rate)

Microphone Bias Generator: 2 microphone bias generators

Charging
Maximum Current: 200 mA on chip, 500 mA with external transistor

Memory
Flash: Up to 64 Mb external flash, 16 Mb internal flash

Interface
Supported Interfaces: Master I²C, 2x SPDIF, 2x PCM/I²S, UART

Input/Output
General Purpose I/Os: 32x

ADC: 2 ADCs

DAC: 2 DACs

PWM (LED): 3

Input
Touch Sensor Inputs: 6 touch sensor inputs

Package
Package Type: VFBGA, WLCSP

Package Size: 4.8 x 4.8 x 0.6 mm, 6.5 x 6.5 x 1 mm
Pitch: 0.5mm Pitch