Which is better for competitive FPS?

Both hit 8,000 Hz polling at 49 g, so aim comes down to shape. The Mercury adds a 32,000 DPI PAW 3950 sensor; the Asus uses ROG's own optical sensor and optical switches.

Is the Mercury X Pro worth the extra money?

It costs $130.00 at eBay versus $68.00 for the Asus as of November 5, 2026. You pay for the magnesium shell, the PAW 3950 sensor and Bluetooth; the Asus gives the same weight and polling rate for less.

Which lasts longer on a charge?

Asus publishes 139 hours of battery life. Mercury does not publish a figure, so the Asus is the safer bet for long wireless sessions.

Which has better switches?

The Asus uses ROG 100M optical switches rated for 100 million clicks with no double-click wear. The Mercury uses mechanical Omron switches, which are crisp but can wear over time.

Do both work over Bluetooth?

Yes. The Mercury offers wired, Bluetooth 5.1 and 2.4GHz; the Asus offers USB-C wired, Bluetooth 5.1 and RF 2.4GHz.

Asus lists the Harpe Ace Mini at 117 x 63 x 37 mm. Mercury does not publish dimensions, so check the shape against your hand before buying.

Mercury X Pro 8KHz Wireless Gaming Mouse vs Asus ROG Harpe Ace Mini

Both are 49 g wireless esports mice with 8,000 Hz polling, so the choice comes down to price and shape. The Asus ROG Harpe Ace Mini is $68.00 at eBay as of November 5, 2026, less than half the Mercury X Pro's $130.00 at eBay as of the same date. Buy the Mercury if you want the magnesium shell, 32,000 DPI PAW 3950 sensor and Bluetooth, and the Asus if you want the same weight and polling rate for a lot less.

Today the Asus ROG Harpe Ace Mini costs $48.01 less at its best price.

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