Motherboards / Compare
ASUS PRIME B840-PLUS WIFI vs GIGABYTE B850 AORUS ELITE WIFI7
Product A: ASUS
62 of 78 known
GIGABYTE B850 AORUS ELITE WIFI7 ICE
ASRock B850 Pro RS WiFi
ASRock X870 Pro RS WiFi
ASUS TUF GAMING X870-PLUS WIFI
MSI MAG X870 TOMAHAWK WIFI
GIGABYTE X870 AORUS ELITE WIFI7
MSI MAG X870E TOMAHAWK WIFI
GIGABYTE X870 AORUS STEALTH ICE
ASUS ROG STRIX X870-A GAMING WIFI
MSI MAG B850 TOMAHAWK MAX WIFI
ASRock X870E Nova WiFi
ASUS TUF GAMING B850-PLUS WIFI
Change ASUS PRIME B840-PLUS WIFI
Compare the GIGABYTE B850 AORUS ELITE WIFI7 with
GIGABYTE B850 AORUS ELITE WIFI7 ICE
ASRock B850 Pro RS WiFi
ASRock X870 Pro RS WiFi
ASUS TUF GAMING X870-PLUS WIFI
MSI MAG X870 TOMAHAWK WIFI
GIGABYTE X870 AORUS ELITE WIFI7
MSI MAG X870E TOMAHAWK WIFI
GIGABYTE X870 AORUS STEALTH ICE
ASUS ROG STRIX X870-A GAMING WIFI
MSI MAG B850 TOMAHAWK MAX WIFI
ASRock X870E Nova WiFi
ASUS TUF GAMING B850-PLUS WIFIProduct B: GIGABYTE
64 of 78 known
ASUS TUF GAMING B850-PLUS WIFI
MSI MAG X870E TOMAHAWK WIFI
MSI MAG B850 TOMAHAWK MAX WIFI
ASRock B850 Pro RS WiFi
ASUS ROG STRIX B850-A GAMING WIFI
GIGABYTE B850 AORUS ELITE WIFI7 ICE
GIGABYTE B850 EAGLE WIFI6E
NZXT N9 X870E
ASUS B650E MAX GAMING WIFI
ASUS ROG Crosshair X870E Hero
ASUS ROG STRIX X870E-E GAMING WIFI
ASUS ROG STRIX X870-A GAMING WIFI
Change GIGABYTE B850 AORUS ELITE WIFI7
Compare the ASUS PRIME B840-PLUS WIFI with
ASUS TUF GAMING B850-PLUS WIFI
MSI MAG X870E TOMAHAWK WIFI
MSI MAG B850 TOMAHAWK MAX WIFI
ASRock B850 Pro RS WiFi
ASUS ROG STRIX B850-A GAMING WIFI
GIGABYTE B850 AORUS ELITE WIFI7 ICE
GIGABYTE B850 EAGLE WIFI6E
NZXT N9 X870E
ASUS B650E MAX GAMING WIFI
ASUS ROG Crosshair X870E Hero
ASUS ROG STRIX X870E-E GAMING WIFI
ASUS ROG STRIX X870-A GAMING WIFI35 of 70 fields differ
- 25 different values
- 10 known for one only
- 28 the same
- 7 missing for both
Biggest differences
Each bar uses the scale of all 87 motherboards.
- PCIe 5.0 M.2 slotsA: 0B: 1GIGABYTE has 1 more.
- Vcore stagesA: 8B: 14GIGABYTE has 6 more.
- Rear USB portsA: 8B: 12GIGABYTE has 4 more.
- Fan headersA: 7B: 6ASUS has 1 more.
Size, drawn to scale
Front and side.
- AASUS: 244 × 305 mm
- BGIGABYTE: 244 × 305 mm
All 78 fields
Every value links to where we found it.


General
5 of 9 differ
Series
Model numbers
PRIME B840-PLUS WIFI, 90MB1IZ0-M0EAY0, 90MB1IZ0-M0AAY01Maker product pageasus.com/motherboards-components/motherboards/prime/prime-b840-plus-wifi/techspecRead 15 October 2026The page names the model PRIME B840-PLUS WIFI. The part numbers 90MB1IZ0-M0EAY0 (Scan UK, the Spanish datasheet) and 90MB1IZ0-M0AAY0 (BuildCores) are from retail sources. The -CSM business version is a separate product.9Retailer pagescan.co.uk/products/asus-prime-b840-plus-wifi-amd-b840-am5-ddr5-pcie-40-3x-m2-25gbe-ax-wifi-6e-bt-usb-10gbps-type-apluscRead 15 October 2026Model number 90MB1IZ0-M0EAY0.10Spec databasebuildcores.com/products/Motherboard/ssmzdxbne/Asus-B840-PRIME-PLUS-WIFI-AM5-DDR5-ATXRead 15 October 2026Part numbers PRIME B840-PLUS WIFI, 90MB1IZ0-M0AAY0 and 90MB1IZ0-M0EAY0.
B850 AORUS ELITE WIFI7, B850 A ELITE WF71Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_b850_elite_wifi7_ice.pdfRead 14 October 2026
GTIN / EAN
4711387797273, 1971057972779Retailer pagescan.co.uk/products/asus-prime-b840-plus-wifi-amd-b840-am5-ddr5-pcie-40-3x-m2-25gbe-ax-wifi-6e-bt-usb-10gbps-type-apluscRead 15 October 2026GTIN 4711387797273 for model number 90MB1IZ0-M0EAY0.10Spec databasebuildcores.com/products/Motherboard/ssmzdxbne/Asus-B840-PRIME-PLUS-WIFI-AM5-DDR5-ATXRead 15 October 2026UPC 197105797277 and EAN 4711387797273. The UPC is the other board code that the Spanish retailer datasheet for 90MB1IZ0-M0EAY0 prints as 0197105797277. The two codes are not paired with a part number, so no variant rows are written.
Announced
Not available
Status
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
Not available
Markets
Not available
Not available
Colours
Not available
Not available
Segment
Board revision
Not available
Not available
Platform
2 of 4 differ
CPU socket
Chipset
Supported processors
AMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series1Maker product pageasus.com/motherboards-components/motherboards/prime/prime-b840-plus-wifi/techspecRead 15 October 2026AM5 for AMD Ryzen 9000, 8000 and 7000 Series Desktop Processors. The page refers to the ASUS download center for the CPU support list. Read on 2026-10-15.
AMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_b850_elite_wifi7_ice.pdfRead 14 October 2026Section 2-2: Ryzen 9000, 8000 and 7000 Series. The manual refers to the maker's website for the latest CPU support list. Read on 2026-10-14.
CPU overclocking
Board
0 of 5 differ
Form factor
Board dimensions
PCB layers
Back-connect design
RGB lighting on the board
Power delivery
3 of 6 differ
Power stage layout
14+2+24Reviewfunkykit.com/reviews/motherboards/gigabyte-b850-aorus-elite-wifi7-motherboard-reviewRead 14 October 2026Funky Kit: Digital Twin 14+2+2 phases VRM, as in GIGABYTE's feature list.5Reviewthefpsreview.com/2025/01/06/gigabyte-b850-aorus-elite-wifi7-motherboard-reviewRead 14 October 2026Twin 14+2+2 phase digital VRM: 14 Vcore phases, 2 SOC phases and 2 MISC phases.
CPU core (Vcore) power stages
145Reviewthefpsreview.com/2025/01/06/gigabyte-b850-aorus-elite-wifi7-motherboard-reviewRead 14 October 202614 Vcore power stages. The stage rating is not stored because FPS Review and the retailer list 60 A while Tom's Hardware reads 55 A on the chips.6Reviewtomshardware.com/pc-components/motherboards/gigabyte-b850-aorus-elite-wifi-7-reviewRead 14 October 2026Power delivery is 18 phases with 14 dedicated to Vcore. The review counts 14 onsemi DrMOS power stages in a twin configuration.
Vcore power stage rating
Not available
Not available
VRM controller
Not available
CPU power connectors
Extra slot power connector
Memory
2 of 6 differ
Memory type
Memory slots
Max memory
256GB1Maker product pageasus.com/motherboards-components/motherboards/prime/prime-b840-plus-wifi/techspecRead 15 October 2026The page says max. 256GB. The December 2024 manual says max. 192GB, and retailers copy 192 GB. The page wins as the newer maker statement.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/PRIME_B840-PLUS_WIFI/E24443_PRIME_B840-PLUS_WIFI_EM_WEB.pdfRead 15 October 2026Specifications summary: max. 192GB. The product page says 256GB and wins.
Max memory speed (overclocked)
8,200MT/s2Reviewfunkykit.com/reviews/motherboards/gigabyte-b850-aorus-elite-wifi7-motherboard-review/2Read 14 October 2026Funky Kit page 2 reproduces the GIGABYTE specification list: DDR5 8200 (O.C.) as the highest listed speed, 4 DIMM sockets, up to 256 GB. The manual lists only 5200/4800/4400 MT/s. Ryzen 9000 is named by FPS Review for the 8200 MT/s figure.5Reviewthefpsreview.com/2025/01/06/gigabyte-b850-aorus-elite-wifi7-motherboard-reviewRead 14 October 2026DDR5 up to 8200 MT/s with Ryzen 9000 CPUs, which the review says GIGABYTE states. 8600 MT/s applies to the B850M AORUS PRO WIFI7 with Ryzen 8000 CPUs.
ECC memory
CUDIMM support
Not available
Not available
Expansion slots
3 of 3 differ
Expansion slots
AASUS PRIME B840-PLUS WIFI
| Physical slot | Electrical lanes | PCIe generation | Connected to | Count |
|---|---|---|---|---|
| PCIe x16 | 16 | 4 | CPU | 1 |
| PCIe x16 | 4 | 3 | Chipset | 1 |
| PCIe x16 | 1 | 3 | Chipset | 2 |
| PCIe x1 | 1 | 3 | Chipset | 1 |
BGIGABYTE B850 AORUS ELITE WIFI7
| Physical slot | Electrical lanes | PCIe generation | Connected to | Count |
|---|---|---|---|---|
| PCIe x16 | 16 | 5 | CPU | 1 |
| PCIe x16 | 1 | 3 | Chipset | 2 |
Full-length PCIe slots
4
3
Fastest PCIe x16 slot generation
4
5
Storage
2 of 4 differ
M.2 storage slots
AASUS PRIME B840-PLUS WIFI
| Slot | PCIe generation | PCIe lanes | Connected to | Longest drive | Takes SATA drives | Heatsink |
|---|---|---|---|---|---|---|
| M.2_1 | 4 | 4 | CPU | M.2 2280 | No | Yes |
| M.2_2 | 4 | 4 | CPU | M.2 2280 | No | No |
| M.2_3 | 3 | 4 | Chipset | M.2 2280 | No | No |
Source1Maker product pageasus.com/motherboards-components/motherboards/prime/prime-b840-plus-wifi/techspecRead 15 October 2026Ryzen 9000 and 7000: M.2_1 and M.2_2 are Key M, type 2280, PCIe 4.0 x4 from the CPU. Ryzen 8000 runs M.2_2 at PCIe 4.0 x4 or x2. M.2_3 is Key M, type 2242/2260/2280, PCIe 3.0 x4 from the B840 chipset. No slot lists a SATA mode, so sata is false. The heatsink flags come from the overview page and the manual: one flexible M.2 heatsink that fits M.2_1 or M.2_2, shown on M.2_1 in the maker's photo.2Maker product pageasus.com/motherboards-components/motherboards/prime/prime-b840-plus-wifiRead 15 October 2026One Flexible M.2 heatsink can take care of either of the two M.2 slots. The product photo shows it on M.2_1. M.2_2 and M.2_3 have no heatsink.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/PRIME_B840-PLUS_WIFI/E24443_PRIME_B840-PLUS_WIFI_EM_WEB.pdfRead 15 October 2026Specifications summary and section 1.5: the same slot list as the specification page. The flexible M.2 heatsink can be installed on either the M.2_1 or the M.2_2 slot, and the heatsink steps apply only if a heatsink is pre-installed.
BGIGABYTE B850 AORUS ELITE WIFI7
| Slot | PCIe generation | PCIe lanes | Connected to | Longest drive | Takes SATA drives | Heatsink |
|---|---|---|---|---|---|---|
| M2A_CPU | 5 | 4 | CPU | M.2 22110 | No | Yes |
| M2B_CPU | 4 | 4 | CPU | M.2 22110 | No | Yes |
| M2C_SB | 4 | 4 | Chipset | M.2 22110 | No | Yes |
M.2 slots
3
3
PCIe 5.0 M.2 slots
0
1
Rear ports
2 of 5 differ
Rear ports
AASUS PRIME B840-PLUS WIFI
| Type | Version | Count | Max link rate (Gbps) |
|---|---|---|---|
| USB-C | USB 3.2 Gen 2 | 1 | 10 |
| USB-A | USB 3.2 Gen 2 | 1 | 10 |
| USB-A | USB 3.2 Gen 1 | 2 | 5 |
| USB-A | USB 2.0 | 4 | 0.48 |
| DisplayPort | DisplayPort 1.4 | 1 | Not available |
| HDMI | HDMI 2.1 | 1 | Not available |
| Ethernet (RJ45) | Not available | 1 | 2.5 |
| 3.5 mm audio | Not available | 3 | Not available |
BGIGABYTE B850 AORUS ELITE WIFI7
| Type | Version | Count | Max link rate (Gbps) |
|---|---|---|---|
| USB-C | USB 3.2 Gen 2 | 1 | 10 |
| USB-A | USB 3.2 Gen 2 | 2 | 10 |
| USB-A | USB 3.2 Gen 1 | 5 | 5 |
| USB-A | USB 2.0 | 4 | 0.48 |
| DisplayPort | DisplayPort 1.4 | 1 | Not available |
| Ethernet (RJ45) | Not available | 1 | 2.5 |
| 3.5 mm audio | Not available | 2 | Not available |
| Optical S/PDIF | Not available | 1 | Not available |
Rear USB ports
8
12
Rear USB-C ports
1
1
Fastest rear USB port
10Gbps
10Gbps
Thunderbolt
Not available
Not available
Internal connectors
4 of 5 differ
Internal USB headers
AASUS PRIME B840-PLUS WIFI
| Header | Max data rate (Gbps) | Headers | Front ports served |
|---|---|---|---|
| USB-C header | 5 | 1 | 1 |
| USB 3 header (19-pin) | 5 | 1 | 2 |
| USB 2.0 header (9-pin) | 0.48 | 2 | 4 |
BGIGABYTE B850 AORUS ELITE WIFI7
| Header | Max data rate (Gbps) | Headers | Front ports served |
|---|---|---|---|
| USB-C header | 20 | 1 | 1 |
| USB 3 header (19-pin) | 5 | 1 | 2 |
| USB 2.0 header (9-pin) | 0.48 | 2 | 4 |
Front USB-C header speed
5Gbps
20Gbps
Fan headers
ARGB headers
RGB headers
Networking
4 of 9 differ
Ethernet controllers
Realtek RTL81254Maker product pageasus.com/motherboards-components/motherboards/prime/prime-b840-plus-wifi/helpdesk_downloadRead 15 October 2026The ASUS driver download page for this model, read through its public data feed, lists a Realtek RTL8125 LAN driver and a Realtek RTL8125D LAN driver for Windows 11. The suffix D is left out. The specification page says only Realtek 2.5Gb Ethernet.7Spec databasemaxmybuild.com/motherboards/asus-prime-b840-plus-wifiRead 15 October 2026Spec table: LAN chip Realtek RTL8125, which matches the ASUS driver list.
Realtek RTL81255Reviewthefpsreview.com/2025/01/06/gigabyte-b850-aorus-elite-wifi7-motherboard-reviewRead 14 October 2026The 2.5G LAN is a Realtek RTL8125D, stored as the chip family RTL8125. GIGABYTE's manual states only Realtek 2.5GbE.8Reviewhwcooling.net/en/gigabyte-b850-aorus-elite-wifi7-is-it-really-cheaper-yes-reviewRead 14 October 20262.5 GbE Realtek RTL8125. FPS Review names the RTL8125D variant.
Ethernet ports
1
1
Ethernet speed
2.5Gbps
2.5Gbps
Wi-Fi included
Wi-Fi standard
Wi-Fi bands
Max Wi-Fi channel width
Not available
Wi-Fi module
Bluetooth
Audio
1 of 2 differ
Audio codec
Not available
DAC chip
Not available
Not available
Features
2 of 7 differ
BIOS flashback
Clear CMOS button (rear)
POST code display
No1Maker product pageasus.com/motherboards-components/motherboards/prime/prime-b840-plus-wifi/techspecRead 15 October 2026Special features list ASUS Q-LED Core, a set of colour-coded status lights. No two-digit Q-Code display is listed.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/PRIME_B840-PLUS_WIFI/E24443_PRIME_B840-PLUS_WIFI_EM_WEB.pdfRead 15 October 2026The layout lists no two-digit display. Q-LED Core is a status light.
Power button on the board
No1Maker product pageasus.com/motherboards-components/motherboards/prime/prime-b840-plus-wifi/techspecRead 15 October 2026The internal connector list and the special features list name no power or start button on the board. The manual layout shows none.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/PRIME_B840-PLUS_WIFI/E24443_PRIME_B840-PLUS_WIFI_EM_WEB.pdfRead 15 October 2026The layout lists no power or start button. The front panel connector has a PWR_BTN header only.
Dual BIOS
Pre-installed I/O shield
Yes1Maker product pageasus.com/motherboards-components/motherboards/prime/prime-b840-plus-wifi/techspecRead 15 October 2026Special features list: Pre-mounted I/O shield.2Maker product pageasus.com/motherboards-components/motherboards/prime/prime-b840-plus-wifiRead 15 October 2026Pre-Mounted I/O Shield: the pre-installed shield safeguards the ports.
Yes1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_b850_elite_wifi7_ice.pdfRead 14 October 2026The box contents list in section 1-3 has no loose I/O shield. Tom's Hardware describes the rear panel as the board's backplate with vent holes.6Reviewtomshardware.com/pc-components/motherboards/gigabyte-b850-aorus-elite-wifi-7-reviewRead 14 October 2026The backplate of the B850 Aorus Elite Wifi7 has vent ports that help cool the VRMs.8Reviewhwcooling.net/en/gigabyte-b850-aorus-elite-wifi7-is-it-really-cheaper-yes-reviewRead 14 October 2026The rear I/O panel is part of the board and partially perforated to improve VRM cooling.
Tool-free features
Push-on antenna connector1Maker product pageasus.com/motherboards-components/motherboards/prime/prime-b840-plus-wifi/techspecRead 15 October 2026ASUS Q-Design lists Q-Antenna, which the overview page describes as a snap-in Wi-Fi antenna connector. Q-DIMM and Q-Slot are also listed, but no read ASUS page says what they do, so they are not stored. The M.2 heatsink and the M.2 SSDs use screws.2Maker product pageasus.com/motherboards-components/motherboards/prime/prime-b840-plus-wifiRead 15 October 2026Q-Antenna: the antenna fasteners snap into place instead of being turned.
Tool-free M.2 latch, Tool-free M.2 heatsink, PCIe slot release, Push-on antenna connector1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_b850_elite_wifi7_ice.pdfRead 14 October 2026M.2 EZ-Latch Plus (screwless M.2 drive clip), M.2 EZ-Latch Click (screwless M.2 heatsink) and PCIe EZ-Latch Plus (release button for the graphics card slot) are named in sections 2-4, 2-5 and 2-8. The push-on antenna connector (WIFI EZ-Plug) is from Funky Kit's copy of GIGABYTE's feature list and from FPS Review and HWCooling.2Reviewfunkykit.com/reviews/motherboards/gigabyte-b850-aorus-elite-wifi7-motherboard-review/2Read 14 October 2026GIGABYTE feature list: WIFI EZ-Plug (quick and easy Wi-Fi antenna installation), EZ-Latch Plus (PCIe and M.2 slots with quick release and screwless design) and EZ-Latch Click (M.2 heatsinks with screwless design).8Reviewhwcooling.net/en/gigabyte-b850-aorus-elite-wifi7-is-it-really-cheaper-yes-reviewRead 14 October 2026Remote EZ-Latch Plus button on the right edge releases the PCIe x16 slot latch. The WiFi antennas use a push-pin mounting system.
Measured
3 of 3 differ
VRM temperature under CPU load
Not available
Power draw CPU stress
Not available
In the box
1 of 1 differ
In the box
2 x SATA 6Gb/s cables, 1 x ASUS WiFi Q-Antenna, 1 x M.2 rubber package, 3 x Screw packages for M.2 SSD, 1 x Quick start guide1Maker product pageasus.com/motherboards-components/motherboards/prime/prime-b840-plus-wifi/techspecRead 15 October 2026Accessories list on the specification page, the same as the manual's package contents.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/PRIME_B840-PLUS_WIFI/E24443_PRIME_B840-PLUS_WIFI_EM_WEB.pdfRead 15 October 2026Package contents: 2 x SATA 6Gb/s cables, 1 x ASUS WiFi Q-Antenna, 1 x M.2 rubber package, 3 x Screw packages for M.2 SSD, 1 x Quick start guide.
User's Manual, Quick Installation Guide, 1 x antenna, 2 x SATA cables, 1 x G Connector, 1 x M.2 thermal pad, 2 x packs of M.2 thick/thin rubber pads1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_b850_elite_wifi7_ice.pdfRead 14 October 2026Section 1-3. The list is for reference and the manual says the actual items depend on the package. Tom's Hardware listed one SATA cable at launch.
Links
Not compared
Product page
Spec sheet
Manual
dlcdnets.asus.com/pub/ASUS/mb/SocketAM5/PRIME_B840-PLUS_WIFI/E24443_PRIME_B840-PLUS_WIFI_EM_WEB.pdf3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/PRIME_B840-PLUS_WIFI/E24443_PRIME_B840-PLUS_WIFI_EM_WEB.pdfRead 15 October 2026PRIME B840-PLUS WIFI User's Manual, English, released 2024-12-26 on the ASUS support page.
www.trovaprezzi.it/manuali/gigabyte_aorus_b850_elite_wifi7_ice.pdf1Owner's manualtrovaprezzi.it/manuali/gigabyte_aorus_b850_elite_wifi7_ice.pdfRead 14 October 2026GIGABYTE User's Manual Rev. 1101 for B850 AORUS ELITE WIFI7 and the ICE model, hosted by trovaprezzi.it. The maker's download.gigabyte.com file name for the full manual was not found.
EPREL registration number
Not available
Not available
Warranty
1 of 1 differ
Manufacturer warranty (source market)
Not available
Both are also in the API. Back to all motherboards.