Head-to-head · Best Portable Monitors

ASUS ROG Strix XG17AHPE 17.3-Inch vs ViewSonic VG1655 15.6-Inch

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

Verdict is reader-supported. As an Amazon Associate we earn from qualifying purchases. Some links on this page are affiliate links — if you click through and buy, we may earn a small commission at no extra cost to you. Our ratings are sourced from independent publications, not sponsors.

The short answer

ASUS ROG Strix XG17AHPE 17.3-Inch comes out ahead by a narrow margin (4.2 vs 4.0). The gap is mostly about Best for mobile gamers wanting 240Hz refresh on a portable display — read the strengths below before deciding.

Higher ratedRanked #3 in Best Portable Monitors

ASUS ROG Strix XG17AHPE 17.3-Inch

4.2

4 sources$455.58as of Aug 1

PCWorld calls the ASUS ROG Strix XG17AHPE an incredible mobile gaming monitor, and the spec sheet explains why: a 240Hz refresh rate and adaptive sync in a portable 17.3-inch IPS package. Tom's Hardware frames it as an expensive innovation, and reviewers agree the high price and significant power consumption are real drawbacks at this size. It fits gamers who want high frame rates on the road for travel or LAN parties; budget-conscious shoppers or anyone building a stationary desk setup should look elsewhere.

Strengths

— Features a high 240Hz refresh rate for smooth mobile gaming performance
— Extremely portable design weighing only around 2.3 pounds with a thin profile
— Includes all necessary components in the box, such as a height-adjustable tripod

Watch-outs

— High power consumption relative to its small 17-inch size
— Expensive pricing, with the full package costing around $700 at review time

$455.58 · Check Price on Amazon Full review →

Ranked #5 in Best Portable Monitors

ViewSonic VG1655 15.6-Inch

4.0

3 sources$197.54as of Aug 1

Reviewers point to the ViewSonic VG1655 as an excellent secondary display for professionals and travelers, praising the featherlight 1.8 lb build and the vibrant Full HD IPS panel. Mini PC Reviewer liked the smart cover stand and USB-C 60W power delivery, which allows single-cable connectivity and charges the laptop at the same time. Casual use is fine; serious gaming is not, since the refresh rate is not there. Mobile workers who need a reliable extra screen are well served, while gamers or anyone wanting more screen real estate should look elsewhere.

Strengths

— Ultra-portable design weighing only 1.8 lbs and measuring 0.6 inches thick
— Full HD 1920x1080 IPS panel delivers vibrant visuals with excellent color accuracy
— Versatile connectivity including USB-C with 60W power delivery and Mini-HDMI

Watch-outs

— Limited performance for hardcore gaming due to refresh rate and input lag constraints
— Small 15.6-inch screen size may be insufficient for users needing extensive workspace

$197.54 · Check Price on Amazon Full review →

Specs side-by-side

Spec	ASUS ROG Strix XG17AHPE 17.3-Inch	ViewSonic VG1655 15.6-Inch
Screen Size	17.3-inch	15.6-Inch
Resolution	1920x1080	1920x1080p
Panel Type	IPS	IPS
Connectivity	HDMI 2.1, USB-C	USB-C 60W PD, Mini-HDMI
Refresh Rate	240Hz	144 Hz
Brightness	400 nits	250 cd/m²
Weight	2.3 lb	1.8 lb
Stand	Adjustable height, tilt, swivel	Smart Cover Stand

← See the full ranking of best portable monitors