霸王硬上弓's Blog

两者都支持以下特性

10/100/1000Base-T IEEE 802.3 compliant
Supports 1000Base-T PCS and auto-negotiation with next page support
GMII/RGMII/MII/Serdes connections to MAC devices and SFPs
Supports additional IEEE 1000Base-X and 100Base-FX with Integrated Serdes
RGMII timing modes support internal delay and external delay on both Rx and Tx paths
Atheros ETHOS-Designed Green Ethernet (EDGE) power saving modes with
internal automatic DSP power saving scheme
Supports IEEE 802.3az (Energy Efficient Ethernet)
Supports Wake-on-LAN (WoL) to detect magic packet and notify the sleeping
system to wake up
Fully integrated digital adaptive equalizers, echo cancellers, and near end
crosstalk (NEXT) cancellers
All-digital baseline wander correction
Automatic channel swap (ACS)
Automatic MDI/MDIX crossover
Automatic polarity correction
IEEE 802.3u compliant Auto-Negotiation
Jumbo Frame support up to 9KB (full duplex)
Software programmable LED modes
Multiple loopback modes for diagnostics
96 ACL rules for traffic shaping and routing
Supports 16 PPPoE sessions with hardware header removal
802.1D spanning tree support
Ingress and Egress rate limiting
Broadcast storm suppression
Port mirroring
IEEE 802.3x Flow control for full duplex and and back pressure for half duplex
Hardware loop detection
Single power supply: 3.3V, optional for external regulator for core voltage
Atheros Cable Diagnostic Test (CDT) Technologies
IEEE 802.3 remote fault indication and fault propagation in fiber mode

所不同的是，文章中提到

原文：The 8327N supports line rate NAT (Network Address Translation) offloading the processor and improving throughput.

自译：8327N支持线速NAT（网络地址转换），处理器减负和提高吞吐量。

其余的没任何区别。8327N适合用于中高端设备，有大量数据交换的平台上。

官方PDF:http://www.qca.qualcomm.com/media/product/product_102_file1.pdf