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ASRock X570 Phantom Gaming-ITX/TB3 vs ASUS ROG Strix B850-I Gaming WiFi: Comparison
ASRock X570 Phantom Gaming-ITX/TB3 vs ASUS ROG Strix B850-I Gaming WiFi: the max memory difference
Max memory is where these two genuinely part company, ASRock X570 Phantom Gaming-ITX/TB3 64 GB against ASUS ROG Strix B850-I Gaming WiFi 128 GB, a 50% lead for ASUS ROG Strix B850-I Gaming WiFi. ASUS ROG Strix B850-I Gaming WiFi also leads on m.2 slots, 1 on the ASRock X570 Phantom Gaming-ITX/TB3 versus 2 on the ASUS ROG Strix B850-I Gaming WiFi. Pcie 5.0 support is not the same on both, No on the ASRock X570 Phantom Gaming-ITX/TB3 versus Yes on the ASUS ROG Strix B850-I Gaming WiFi.
ASRock X570 Phantom Gaming-ITX/TB3 vs ASUS ROG Strix B850-I Gaming WiFi: which one fits your build
The ASRock X570 Phantom Gaming-ITX/TB3 is the one to take for budget Ryzen 5000-series SFF builds using existing AM4 CPUs, though it is not the pick for anyone needing more than one M.2 slot for storage. It is equally the pick for AM4 builders who specifically need built-in Thunderbolt 3 for eGPU or fast external storage. It is not the one for new builds where AM5 offers a longer upgrade runway for similar money. it is not built for anyone needing Thunderbolt/USB4 connectivity and builds requiring more than one full-length expansion slot. The same goes for Ryzen 9000 X3D builds in Mini-ITX cases wanting AI Cache Boost tuning.
What ASRock X570 Phantom Gaming-ITX/TB3 and ASUS ROG Strix B850-I Gaming WiFi have in common
The common ground is wider than the gap: memory slots, form factor, platform, cpu overclocking supported and wi-fi onboard are identical here. They match on 5 further specifications as well.
Frequently asked questions
Do the ASRock X570 Phantom Gaming-ITX/TB3 and ASUS ROG Strix B850-I Gaming WiFi differ on chipset?
Yes. Chipset reads X570 on the ASRock X570 Phantom Gaming-ITX/TB3 versus B850 on the ASUS ROG Strix B850-I Gaming WiFi.
Is the ECC Memory Support the same on the ASRock X570 Phantom Gaming-ITX/TB3 and ASUS ROG Strix B850-I Gaming WiFi?
It is. Both are listed at Unbuffered ECC, so it is not a reason to pick one over the other.
Specs and benchmarks
Platform
- ASRock X570 Phantom Gaming-ITX/TB3
- AMD
- ASUS ROG Strix B850-I Gaming WiFi
- AMD
Model Number
- ASRock X570 Phantom Gaming-ITX/TB3
- X570 Phantom Gaming-ITX/TB3
- ASUS ROG Strix B850-I Gaming WiFi
- ROG Strix B850-I Gaming WiFi
Socket
- ASRock X570 Phantom Gaming-ITX/TB3
- AMD Ryzen 2000 / 3000 / 4000 G / 5000 / 5000 G series (AM4)
- ASUS ROG Strix B850-I Gaming WiFi
- AMD Ryzen 9000 / 8000 / 7000 series
Form Factor
- ASRock X570 Phantom Gaming-ITX/TB3
- Mini-ITX
- ASUS ROG Strix B850-I Gaming WiFi
- Mini-ITX
Chipset
- ASRock X570 Phantom Gaming-ITX/TB3
- X570
- ASUS ROG Strix B850-I Gaming WiFi
- B850
Newest CPU Family Supported
- ASRock X570 Phantom Gaming-ITX/TB3
- Ryzen 5000
- ASUS ROG Strix B850-I Gaming WiFi
- Ryzen 9000
Memory Type
- ASRock X570 Phantom Gaming-ITX/TB3
- 2x DDR4, dual-channel, up to 64GB, up to DDR4-4533+ (OC), ECC and non-ECC unbuffered
- ASUS ROG Strix B850-I Gaming WiFi
- 2x DDR5, up to 128GB, up to 8200+ MT/s (OC) with Ryzen 9000, 9600+ MT/s (OC) with Ryzen 8000
CPU Overclocking Supported
- ASRock X570 Phantom Gaming-ITX/TB3
- Yes
- ASUS ROG Strix B850-I Gaming WiFi
- Yes
Memory Slots
- ASRock X570 Phantom Gaming-ITX/TB3
- 2
- ASUS ROG Strix B850-I Gaming WiFi
- 2
Max Memory
- ASRock X570 Phantom Gaming-ITX/TB3
- 64 GB-50%
- ASUS ROG Strix B850-I Gaming WiFi
- 128 GBBest
M.2 Slots
- ASRock X570 Phantom Gaming-ITX/TB3
- 1-50%
- ASUS ROG Strix B850-I Gaming WiFi
- 2Best
PCIe 5.0 Support
- ASRock X570 Phantom Gaming-ITX/TB3
- No
- ASUS ROG Strix B850-I Gaming WiFi
- Yes
Wi-Fi Onboard
- ASRock X570 Phantom Gaming-ITX/TB3
- Yes
- ASUS ROG Strix B850-I Gaming WiFi
- Yes
Max Rated Memory Speed
- ASRock X570 Phantom Gaming-ITX/TB3
- 4533 MT/s
- ASUS ROG Strix B850-I Gaming WiFi
- 9600 MT/sBest
ECC Memory Support
- ASRock X570 Phantom Gaming-ITX/TB3
- Unbuffered ECC
- ASUS ROG Strix B850-I Gaming WiFi
- Unbuffered ECC
M.2 PCIe 5.0 Slots
- ASRock X570 Phantom Gaming-ITX/TB3
- 0
- ASUS ROG Strix B850-I Gaming WiFi
- 2
M.2 PCIe 4.0 Slots
- ASRock X570 Phantom Gaming-ITX/TB3
- 1
- ASUS ROG Strix B850-I Gaming WiFi
- 0
SATA Ports
- ASRock X570 Phantom Gaming-ITX/TB3
- 4
- ASUS ROG Strix B850-I Gaming WiFi
- 2
PCIe x16 Slots
- ASRock X570 Phantom Gaming-ITX/TB3
- 1
- ASUS ROG Strix B850-I Gaming WiFi
- 1
Primary Graphics Slot Gen
- ASRock X570 Phantom Gaming-ITX/TB3
- PCIe 4.0
- ASUS ROG Strix B850-I Gaming WiFi
- PCIe 5.0
Rear USB 10Gbps Ports
- ASRock X570 Phantom Gaming-ITX/TB3
- 2
- ASUS ROG Strix B850-I Gaming WiFi
- 5
Rear USB 2.0 Ports
- ASRock X570 Phantom Gaming-ITX/TB3
- 0
- ASUS ROG Strix B850-I Gaming WiFi
- 2
Front USB-C Header Speed
- ASRock X570 Phantom Gaming-ITX/TB3
- None
- ASUS ROG Strix B850-I Gaming WiFi
- 10Gbps
Fan and Pump Headers
- ASRock X570 Phantom Gaming-ITX/TB3
- 3
- ASUS ROG Strix B850-I Gaming WiFi
- 4
ARGB Headers
- ASRock X570 Phantom Gaming-ITX/TB3
- 1
- ASUS ROG Strix B850-I Gaming WiFi
- 2
Vcore Power Stages
- ASRock X570 Phantom Gaming-ITX/TB3
- 10
- ASUS ROG Strix B850-I Gaming WiFi
- 10
EPS 12V Configuration
- ASRock X570 Phantom Gaming-ITX/TB3
- One 8-pin
- ASUS ROG Strix B850-I Gaming WiFi
- One 8-pin
Max Ethernet Speed
- ASRock X570 Phantom Gaming-ITX/TB3
- 1 Gbps
- ASUS ROG Strix B850-I Gaming WiFi
- 2.5 GbpsBest
Ethernet Port Count
- ASRock X570 Phantom Gaming-ITX/TB3
- 1
- ASUS ROG Strix B850-I Gaming WiFi
- 1
Wi-Fi Standard
- ASRock X570 Phantom Gaming-ITX/TB3
- Wi-Fi 6
- ASUS ROG Strix B850-I Gaming WiFi
- Wi-Fi 7
Bluetooth Version
- ASRock X570 Phantom Gaming-ITX/TB3
- 5.2
- ASUS ROG Strix B850-I Gaming WiFi
- 5.4
Audio Codec
- ASRock X570 Phantom Gaming-ITX/TB3
- Realtek ALC1220
- ASUS ROG Strix B850-I Gaming WiFi
- Realtek ALC4080 + Savitech SV3H712 amp
Expansion
- ASRock X570 Phantom Gaming-ITX/TB3
- 1x PCIe 4.0 x16 (Ryzen 3000/5000; PCIe 3.0 with APUs and Ryzen 2000)
- ASUS ROG Strix B850-I Gaming WiFi
- 1x PCIe 5.0 x16
Connectivity
- ASRock X570 Phantom Gaming-ITX/TB3
- 1x Thunderbolt 3 Type-C (40Gbps), 2x USB 3.2 Gen2 Type-A, 2x USB 3.2 Gen1 rear
- ASUS ROG Strix B850-I Gaming WiFi
- Q-Latch tool-free M.2
Networking
- ASRock X570 Phantom Gaming-ITX/TB3
- 1GbE (Intel I211AT), Intel Wi-Fi 6 (802.11ax), Bluetooth 5.2
- ASUS ROG Strix B850-I Gaming WiFi
- 2.5GbE (Intel), Wi-Fi 7, Bluetooth 5.4
Special Features
- ASRock X570 Phantom Gaming-ITX/TB3
- Built-in Thunderbolt 3, single Hyper M.2 slot, LGA115x cooler mounting holes
- ASUS ROG Strix B850-I Gaming WiFi
- AI Cache Boost, 2x PCIe 5.0 M.2
Which one should you pick?
Choose ASRock X570 Phantom Gaming-ITX/TB3 if you want the higher memory slots (2 vs 2).
Choose ASUS ROG Strix B850-I Gaming WiFi if you want the higher max memory (128 GB vs 64 GB) and the higher M.2 slots (2 vs 1).
Price comparison
| Retailer | ASRock X570 Phantom Gaming-ITX/TB3 | ASUS ROG Strix B850-I Gaming WiFi |
|---|---|---|
| Amazon | View on Amazon | |
| 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.