Product Comparison: ASRock Z390 Phantom Gaming-ITX/AC vs ASUS ROG Strix Z390-I Gaming


General Specifications
Brand
ASRock
ASUS
Model
Z390 Phantom Gaming-ITX/AC
ROG Strix Z390-I Gaming
Origin
China
China
About the Product
Seriously high quality Mini-ITX motherboard packing an 8 layer PCB, a good amount of cooling for a board of its size. This little board packs a 5-phase VRM which in itself isn’t that impressive.
Fully command your gaming experience on 9th generation Intel Core processors with the ROG Strix Z390-I Gaming featuring 5-Way Optimization for dynamic system control with AI overclocking.
Key Specs
Form Factor
Mini-ITX
Mini-ITX
Socket
LGA1151
LGA1151
Chipset
Intel Z390
Intel Z390
Supported Processors
Supports 9th and 8th Gen Intel Core
Supports 9th / 8th Gen Intel Core / Pentium Gold / Celeron
Memory Slot Type
288 pin
288 pin
What customers say about "Key Specs"
ASRock Z390 Phantom Gaming-ITX/AC Motherboard
  • I bought this as I have always wanted to do a mini-ITX build.
  • The build quality is superb. Good for my case. Easy install.
  • Installation was easy into my box. Perfect board for my build.
  • I'm a big fan of ASRock motherboards. This ITX board is loaded with great built-in peripherals.
  • Everything seems to be working quite well. Fits my box well. I like it.
ASUS ROG Strix Z390-I Gaming Motherboard
  • Decent overclocks with my 9700K.
  • I love this compact form factor.
  • Perfectly fits new Intel processors.
  • This board has an excellent list of supported processors.
  • Superior form factor coupled with socket.
Size & Weight
Height
6.7 in.
6.7 in.
Width
6.7 in.
6.7 in.
Depth
1 in.
1 in.
Weight
2.2 lbs.
2.23 lbs.
Memory
Memory Type
DDR4
DDR4
Maximum Speed
4500 MHz
4500 MHz
Number Of Memory Slots
2
2
Max. Memory Supported
64 GB
64 GB
What customers say about "Memory"
ASRock Z390 Phantom Gaming-ITX/AC Motherboard
  • Amazing little power-pack with good memory support.
  • My DDR4 memory works well with this motherboard.
  • Wonderful board. Works good with my DDR4 memory.
  • Great support of memory. I like this board.
  • So far so good. Great box with support DDR4 memory.
ASUS ROG Strix Z390-I Gaming Motherboard
  • Ports are working fine, both ram slots worked good.
  • Beautiful design and came insanely quick! Works great with DDR4 memory.
  • I have been using it for 2 years and not a single memory error.
  • Works great with two memory slots.
  • Doesn't want to work with 64GB of memory, an error constantly pops up.
Connectivity
PCI
1
1
PCI-E
PCIe 3.0 x16
PCIe 3.0 x16
HDMI
1
1
USB
2x USB 2.0, 4x USB 3.1 Gen1, 4x USB 3.1 Gen2
3x USB 3.1 Gen2, 4x USB 3.1 Gen1, USB Type-C, 4x USB 2.0
SATA
4
4
Other Interfaces
M.2, 2x Ultra M.2, 2x Antenna Ports, PS/2, DisplayPоrt, Optical S/PDIF out, RJ-45, 6x audio jacks
DisplayPоrt, RJ-45, Optical S/PDIF out, 5x audio jacks, 2x M.2
What customers say about "Connectivity"
ASRock Z390 Phantom Gaming-ITX/AC Motherboard
  • Love the M.2 slots, and build quality is fantastic.
  • USB 3.0 ports provide at least 450MB/s read and write performance.
  • Everything just worked right from the first boot. Durable ports here!
  • Nice board with a lot of good ports.
  • Stable ports. All works well on this board.
ASUS ROG Strix Z390-I Gaming Motherboard
  • The quality is excellent like the ports provided.
  • Nice selection of ports and headers.
  • Highly recommend. An excellent motherboard with the right ports.
  • I'm surprised that such a small motherboard can accommodate so many ports.
Features
Native Audio
Realtek ALC1220
Realtek S1220A
Additional Accessories Included
Support CD, I/O Shield, 2x SATA cables, WiFi antenna, 2x M.2 Screw
M.2 2242 mounting kit, 4x SATA cables, 2x M.2 Screw, Driver disk, ASUS 2T2R dual band Wi-Fi moving antennas, 10-in-1 ROG cable label
Extras
ASRock Super Alloy, Premium 60A Power Choke, Matte Black PCB, High Density Glass Fabric PCB, ASRock Steel Slots, ASRock Full Spike Protection, ASRock Live Update & APP Shop
OC Design - ASUS PRO Clock Technology, 5-Way Optimization by Dual Intelligent Processors 5, ASUS TPU, Gamer's Guardian, ASUS Optimem II, Aura lighting control, AI Suite 3, Ai Charger, ASUS EZ DIY, ASUS Q-Design, Digi+VRM
What customers say about "Features"
ASRock Z390 Phantom Gaming-ITX/AC Motherboard
  • Great performance, and features. I like it.
  • Has the great feature set. Would recommend.
  • The BIOS UI is easy to navigate and offers a ton of features.
  • Super small with tons of features!
  • The RGB lighting is pretty neat feature with lots of color options.
ASUS ROG Strix Z390-I Gaming Motherboard
  • Build Quality is fantastic, unboxing presentation is great.
  • Really liked that it has WiFi and Bluetooth.
  • Decent quality like most higher-end Asus boards.
  • VRM heatsink is integrated into the backplane cover and is massive.
  • UEFI has no options whatsoever to power the system on via keyboard keypress or press of a mouse button.
Power
Power Connectors
24-pin ATX, 8-pin 12V
24-pin EATX, 8-pin ATX 12V
Warranty / Certifications
Manufacturer Warranty
1 year(s)
1 year(s)
Certifications
CE, FCC
CE, FCC
Other Information
Manufacturer
Other reviews