It has a 6.78-inch 1.5K BOE AMOLED display with up to a 165Hz refresh rate.
The Lingxi Touch Core raises instantaneous touch sampling to 4000Hz, offering a stronger focus on fast input response than the standard OnePlus 15.
OnePlus has tuned the Ace 6 Ultra for sustained gaming. The phone uses the Wind Chaser Gaming Kernel and next-generation Glacier Cooling System.
OnePlus says it can average 164.7fps in Delta Force at the highest graphics settings.
The software includes shooting-game tools such as display enhancement, footstep sound enhancement, and an assist crosshair.
The phone's biggest advantage is battery life. It packs an 8600mAh dual-cell battery with 120W SuperVOOC charging, the largest battery on this list.
It also has IP66, IP68, IP69, and IP69K ratings.
The optional Gunfire Gaming Controller adds mechanical triggers, a 1.8ms response time, an esports chip, and support for magnetic heat-sink expansion.
5. Red Magic 11 Air
The Red Magic 11 Air is a slimmer gaming phone that retains many gaming-focused features.
It measures 7.85mm thick and weighs 207g, making it lighter than the Red Magic 11 Pro models.
The phone has a 6.85-inch 1.5K OLED display with a 144Hz refresh rate.
The screen supports 2592Hz PWM dimming, DC dimming, and a 95.1 percent screen-to-body ratio. It also uses a 16MP under-display camera for a full-screen design.
The Red Magic 11 Air runs on the Snapdragon 8 Elite chipset.
It includes the Redcore R4 gaming chip, up to 16GB LPDDR5X RAM, and up to 512GB UFS 4.1 storage.
The phone has shoulder triggers with a 520Hz touch response rate.
The cooling system includes an aerospace-grade aluminum air-cooling bracket, a Turbo Fan 4.0 active fan, a VC cooling system, and graphene copper foil.
The phone has a 7000mAh battery with 120W fast charging and bypass charging support.
The Red Magic 11 Air is a good choice for gamers who want a thinner phone without giving up an active fan and dedicated gaming controls.
6. iQOO 15R
The iQOO 15R offers strong gaming hardware at a more accessible price point.
It uses the Snapdragon 8 Gen 5 processor with up to 12GB LPDDR5X Ultra RAM and up to 512GB UFS 4.1 storage.