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ASRock B650 PG Lightning vs Gigabyte X870 AORUS INFINITY: Comparison
What is the difference between ASRock B650 PG Lightning and Gigabyte X870 AORUS INFINITY?
Memory slots is where these two genuinely part company, ASRock B650 PG Lightning 4 against Gigabyte X870 AORUS INFINITY 2, a 50% lead for ASRock B650 PG Lightning. ASRock B650 PG Lightning also leads on max memory, 256 GB on the ASRock B650 PG Lightning versus 128 GB on the Gigabyte X870 AORUS INFINITY. They differ on board width too, 305 mm on the ASRock B650 PG Lightning versus 275 mm on the Gigabyte X870 AORUS INFINITY. There is a split on wi-fi onboard as well, No on the ASRock B650 PG Lightning versus Yes on the Gigabyte X870 AORUS INFINITY.
Who each one is for
The ASRock B650 PG Lightning is the one to take for the most budget-conscious full-ATX AM5 builds and builders who don't need built-in WiFi, though it is not built for anyone who wants WiFi included without buying the separate variant and builds that want more than two M.2 slots. Buy the Gigabyte X870 AORUS INFINITY for competitive memory and CPU overclockers and Ryzen 9000 X3D buyers wanting genuine, tested performance gains, though it is the wrong buy for anyone building a conventional cased PC and value-focused builds. It is equally the pick for enthusiasts building an open test bench rather than a cased system.
What ASRock B650 PG Lightning and Gigabyte X870 AORUS INFINITY have in common
The common ground is wider than the gap: m.2 slots, m.2 slots onboard, platform, newest cpu family supported and oldest cpu family supported are identical here. They match on 6 further specifications as well.
Frequently asked questions
Do the ASRock B650 PG Lightning and Gigabyte X870 AORUS INFINITY differ on chipset?
Yes. Chipset reads B650 on the ASRock B650 PG Lightning versus X870 on the Gigabyte X870 AORUS INFINITY.
Is the CPU Overclocking Supported the same on the ASRock B650 PG Lightning and Gigabyte X870 AORUS INFINITY?
It is. Both are listed at Yes, so it is not a reason to pick one over the other.
Specs and benchmarks
Platform
- ASRock B650 PG Lightning
- AMD
- Gigabyte X870 AORUS INFINITY
- AMD
Model Number
- ASRock B650 PG Lightning
- B650 PG Lightning
- Gigabyte X870 AORUS INFINITY
- Gigabyte X870 AORUS INFINITY, AORUS INFINITY Series
Socket
- ASRock B650 PG Lightning
- AMD Ryzen 9000 / 8000 / 7000 series
- Gigabyte X870 AORUS INFINITY
- AMD Ryzen 9000 / 8000 / 7000 Series
Form Factor
- ASRock B650 PG Lightning
- ATX
- Gigabyte X870 AORUS INFINITY
- E-ATX
Chipset
- ASRock B650 PG Lightning
- B650
- Gigabyte X870 AORUS INFINITY
- X870
Newest CPU Family Supported
- ASRock B650 PG Lightning
- Ryzen 9000
- Gigabyte X870 AORUS INFINITY
- Ryzen 9000
Memory Type
- ASRock B650 PG Lightning
- 4x DDR5 DIMM, up to 256GB, dual-channel, DDR5-7200+ (OC), XMP/EXPOBest
- Gigabyte X870 AORUS INFINITY
- 2x DDR5 DIMM, dual channel, up to 128GB, up to 11,400 MT/s (manual OC), non-ECC unbuffered
Oldest CPU Family Supported
- ASRock B650 PG Lightning
- Ryzen 7000
- Gigabyte X870 AORUS INFINITY
- Ryzen 7000
CPU Overclocking Supported
- ASRock B650 PG Lightning
- Yes
- Gigabyte X870 AORUS INFINITY
- Yes
Memory Slots
- ASRock B650 PG Lightning
- 4Best
- Gigabyte X870 AORUS INFINITY
- 2-50%
Max Memory
- ASRock B650 PG Lightning
- 256 GBBest
- Gigabyte X870 AORUS INFINITY
- 128 GB-50%
Board Width
- ASRock B650 PG Lightning
- 305 mm
- Gigabyte X870 AORUS INFINITY
- 275 mm
M.2 Slots
- ASRock B650 PG Lightning
- 3
- Gigabyte X870 AORUS INFINITY
- 3
PCIe 5.0 Support
- ASRock B650 PG Lightning
- Yes
- Gigabyte X870 AORUS INFINITY
- Yes
Wi-Fi Onboard
- ASRock B650 PG Lightning
- No
- Gigabyte X870 AORUS INFINITY
- Yes
Max Memory Capacity
- ASRock B650 PG Lightning
- 256 GBBest
- Gigabyte X870 AORUS INFINITY
- 128 GB
Max Rated Memory Speed
- ASRock B650 PG Lightning
- 7200 MT/s
- Gigabyte X870 AORUS INFINITY
- 11400 MT/sBest
M.2 Slots Onboard
- ASRock B650 PG Lightning
- 3
- Gigabyte X870 AORUS INFINITY
- 3
M.2 PCIe 5.0 Slots
- ASRock B650 PG Lightning
- 1
- Gigabyte X870 AORUS INFINITY
- 2
M.2 PCIe 4.0 Slots
- ASRock B650 PG Lightning
- 2
- Gigabyte X870 AORUS INFINITY
- 1
SATA Ports
- ASRock B650 PG Lightning
- 4
- Gigabyte X870 AORUS INFINITY
- 4
PCIe x16 Slots
- ASRock B650 PG Lightning
- 2
- Gigabyte X870 AORUS INFINITY
- 2
Primary Graphics Slot Gen
- ASRock B650 PG Lightning
- PCIe 4.0
- Gigabyte X870 AORUS INFINITY
- PCIe 5.0
Rear USB 20Gbps Ports
- ASRock B650 PG Lightning
- 1
- Gigabyte X870 AORUS INFINITY
- 0
Rear USB 5Gbps Ports
- ASRock B650 PG Lightning
- 7
- Gigabyte X870 AORUS INFINITY
- 4
Rear USB 2.0 Ports
- ASRock B650 PG Lightning
- 4
- Gigabyte X870 AORUS INFINITY
- 0
Vcore Power Stages
- ASRock B650 PG Lightning
- 14
- Gigabyte X870 AORUS INFINITY
- 18
Power Stage Current Rating
- ASRock B650 PG Lightning
- 60 A
- Gigabyte X870 AORUS INFINITY
- 110 A
EPS 12V Configuration
- ASRock B650 PG Lightning
- Two 8-pin
- Gigabyte X870 AORUS INFINITY
- Two 8-pin
Max Ethernet Speed
- ASRock B650 PG Lightning
- 2.5 Gbps
- Gigabyte X870 AORUS INFINITY
- 5 GbpsBest
Ethernet Port Count
- ASRock B650 PG Lightning
- 1
- Gigabyte X870 AORUS INFINITY
- 1
Wi-Fi Standard
- ASRock B650 PG Lightning
- None
- Gigabyte X870 AORUS INFINITY
- Wi-Fi 7
Audio Codec
- ASRock B650 PG Lightning
- Realtek ALC897, 7.1-channel HD Audio with Nahimic
- Gigabyte X870 AORUS INFINITY
- Realtek ALC1220, 7.1-channel, DTS:X Ultra
Expansion
- ASRock B650 PG Lightning
- 2x PCIe 4.0 x16 (2nd slot at x2), 2x PCIe 4.0 x1; 1x M.2 PCIe 5.0 x4, 1x M.2 PCIe 4.0 x4, 1x M.2 PCIe 4.0 x2; 4x SATA III; 1x M.2 Key-E (Wi-Fi)
- Gigabyte X870 AORUS INFINITY
- 3x M.2 (2x PCIe 5.0 CPU + 1x PCIe 4.0 chipset), PCIe 5.0 x16 + PCIe 5.0 x8 (x16 physical)
Connectivity
- ASRock B650 PG Lightning
- 1x Rear USB 3.2 Gen2x2 Type-C (20Gbps), 7x Rear USB 3.2 Gen1 (5Gbps), 4x Rear USB 2.0
- Gigabyte X870 AORUS INFINITY
- 1x USB4 Type-C rear, 3x USB 10Gbps rear, 4x USB 5Gbps rear, front USB-C 20Gbps header with 65W PD
Networking
- ASRock B650 PG Lightning
- Realtek RTL8125BG 2.5GbE LAN (no built-in Wi-Fi)
- Gigabyte X870 AORUS INFINITY
- Realtek 5GbE LAN, Wi-Fi 7 (Qualcomm QCNCM865), Bluetooth 5.4
Special Features
- ASRock B650 PG Lightning
- 3x M.2 total (1x Gen5, 1x Gen4, 1x Gen4x2)
- Gigabyte X870 AORUS INFINITY
- X3D Turbo Mode 2.0, EZ Debug Zone, onboard power/reset/Clear CMOS/Cold Reset and ECLK buttons, DualBIOS
Which one should you pick?
Choose ASRock B650 PG Lightning if you want the higher memory slots (4 vs 2), the higher max memory (256 GB vs 128 GB) and the higher M.2 slots (3 vs 3).
Choose Gigabyte X870 AORUS INFINITY if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | ASRock B650 PG Lightning | Gigabyte X870 AORUS INFINITY |
|---|---|---|
| Amazon | View on Amazon | View on Amazon |
| Newegg | View on Newegg | View on Newegg |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.