Gigabyte Z790 UD and GIGABYTE B650 UD AC are both motherboards with the same Form factor (ATX), M.2 Ports (3) and RAM Slots (4). The main differences are in Socket, Chipset, Supported Memory and CrossFire Support.
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Brand
Gigabyte
Brand
GIGABYTE
Model
Z790 UD
Model
B650 UD AC
Release Date
📅 October 2022
Release Date
📅 January 2024
* First availability for purchase, it may not correspond to the actual market launch date.
* High clock speeds may require enabling the XMP profile in the motherboard BIOS ** RAM support may also depend on the CPU memory controller
ECC RAM Support
No
ECC RAM Support
No
Audio Chipset
-
Audio Chipset
Realtek Audio CODEC High Definition Audio 2/4/5.1/7.1-channel * You can change the functionality of an audio jack using the audio software. To configure 7.1-channel audio, access the audio software for audio settings.
Audio Channels
-
Audio Channels
7.1 Channels
LAN Chipset
-
LAN Chipset
Realtek GbE LAN chip (1 Gbps/100 Mbps/10 Mbps)
Max LAN Speed
-
Max LAN Speed
1Gbps
SLI Support
No
SLI Support
No
CrossFire Support
Yes
CrossFire Support
No
RAID Support
Yes
RAID Support
Yes
Back Connect
No
Back Connect
No
Back I/O Ports
-
Back I/O Ports
1 x DisplayPort
1 x HDMI port
1 x PS/2 keyboard/mouse port
2 x SMA antenna connectors (2T2R)
1 x USB Type-C port with USB 3.2 Gen 1 support
2 x USB 3.2 Gen 2 Type-A ports (red)
6 x USB 2.0/1.1 ports
1 x RJ-45 port
3 x audio jacks
Wireless LAN
No
Wireless LAN
Yes
Wi-Fi Generation
-
Wi-Fi Generation
5
PCI-Express x16 Slots
3
PCI-Express x16 Slots
4
PCI-Express x4 Slots
0
PCI-Express x4 Slots
0
PCI-Express x1 Slots
2
PCI-Express x1 Slots
0
SATA 6 Gbps Ports
6
SATA 6 Gbps Ports
4
SATA Express Ports
0
SATA Express Ports
0
M.2 Ports
3
M.2 Ports
3
M.2 Devices support
2280 / 22110 - M Key
2280 - M Key
2280 - M Key
M.2 Devices support
2280 / 25110 - M Key
2280 / 22110 - M Key
2280 / 22110 - M Key
RAM Slots
4
RAM Slots
4
Maximum Supported RAM
192 GB
Maximum Supported RAM
192 GB
Onboard USB 2.0
2
Onboard USB 2.0
3
Onboard USB 3.2 Gen 1
1
Onboard USB 3.2 Gen 1
1
Onboard USB 3.2 Gen 2
1
Onboard USB 3.2 Gen 2
1
Onboard USB 3.2 Gen 2x2
0
Onboard USB 3.2 Gen 2x2
0
Comparison and key differences summary
⛔ You are comparing motherboards with different sockets. They cannot support the same CPUs. Try to compare motherboards within the same platform.
