I have a Dell Alienware m16 R2 configured to dual boot with Windows. When running Fedora 43, I notice the wifi speed goes down to 20Mbps while on Windows its as high as 800Mbps.
$ lspci -nnk | grep -iA3 network
0000:00:08.0 System peripheral [0880]: Intel Corporation Meteor Lake-P Gaussian & Neural-Network Accelerator [8086:7e4c] (rev 20)
Subsystem: Dell Device [1028:0c91]
0000:00:0a.0 Signal processing controller [1180]: Intel Corporation Meteor Lake-P Platform Monitoring Technology [8086:7d0d] (rev 01)
Subsystem: Dell Device [1028:0c91]
--
0000:2e:00.0 Network controller [0280]: Intel Corporation Wi-Fi 7(802.11be) AX1775*/AX1790*/BE20*/BE401/BE1750* 2x2 [8086:272b] (rev 1a)
Subsystem: Intel Corporation BE202 160MHz [Misty Peak] [8086:42f4]
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
$ iw dev
phy#0
Unnamed/non-netdev interface
wdev 0x94
type P2P-device
Interface wlp46s0f0
type managed
channel 157 (5785 MHz), width: 20 MHz (no HT), center1: 5785 MHz
txpower 22.00 dBm
...
$ iw dev wlp46s0f0 get power_save
Power save: off
Is this a known issue? Is there a workaround for this ?