Xiaomi Poco F9 Ultra vs Vivo X300 Pro
Verdict
Xiaomi Poco F9 Ultra scores higher on the OH Rank (78 vs 77), winning 2 of 10 categories including Battery and Desktop Replacement. Xiaomi Poco F9 Ultra is 2.3mm wider than Vivo X300 Pro. Xiaomi Poco F9 Ultra is the more recent release, from Sep 1, 2026.
Score Breakdown
Performance /15
Battery /15
Screen /15
IP Protection /15
Main Camera /15
Selfie /5
Video /5
SD Memory /5
Software /5
Desktop Replacement /5
TOTAL
78
77
Xiaomi Poco F9 Ultra
77.9mm (3.07in) · Sep 1, 2026 · Rank #24
13+14+11+12+12+4+4+0+5+3 = 78
* TOP Battery Endurance* TOP Software
EDITORIAL: Poco used to stand for "flagship killer" with a combination of excellent performance and lower price. For years, the compromise was the brand and imaging performance. But everything has an end and we're seeing a new Poco now: exceptional endurance, top-tier components with improved imaging and a flagship-level price. While disappointing to many, F9 Ultra is still a phone with a lot.
PROs
flagship build, good SD 8 Elite Gen 5 with UFS 4.1 performance, >42hr endurance from a 8050mAh Si-C battery with sub-60min 100W (50W wireless) charging, ~1250nits 415ppi 185Hz AMOLED screen with Dolby Vision, IP68 protection, very good 200MP 24mm main + 50MP 114mm periscope telephoto (both OIS PDAF) + average 50MP 17mm ultrawide, very good 32MP 22mm selfie, above average video recording (ultrawide spoils the score), feature and connectivity rich OS with 4 years of updates, Android 17's native desktop replacement functionality, fast USB-C 3.2 with video output, Bose branded stereo speaker system with a bass speaker
CONs
bigger (almost 9mm/0.35" thick) and heavier (235g/8.29oz) then F8U, same processor at much higher price (than F8U), non-LTPO with minimal refresh rate variability (mostly 60-120Hz), no AF on ultrawide or selfie, no expandable memory slot, speaker sound could be louder, big price hike
Vivo X300 Pro
75.6mm (2.98in) · Oct 17, 2025 · Rank #34
13+11+13+12+14+5+4+0+5+0 = 77
SUPERIOR* TOP Battery Endurance* TOP Software* TOP Selfie
EDITORIAL: Vivo has improved on it's most popular 2024 phone by making it smaller, adding the top Dimensity chip with a two channel UFS 4.1. optimizing software, adding extra 500mAh to it's Silicone anode battery and giving it a new 50MP AF selfie. This makes 2025 Vivo X Pro model one of the best flagship phones in the world.
PROs
smaller in every direction, very fast Dimensity 9500 (3nm) with dual UFS 4.1 performance, >30hr endurance from a 6500mAh Si battery (EU gets a 5440mAh unit that has a 24hr endurance), sub-60min 90W charging (40W wireless). >2000nits bright 450ppi LTPO AMOLED screen with >2000Hz PWM and Dolby Vision, IP69 protection. excellent 50MP 24mm main + 200MP 85mm 3.7zoom periscope telephoto (both with OIS PDAF) + 50MP 15mm AF ultrawide, a great 50MP 20mm AF selfie, up to 4 years of OS updates and a fast USB-C 3.2 with OTG functionality.
CONs
not globally available (tho sold in most countries), some video recording softness, no SDmemory slot, no desktop replacement feature nor Video-Out
Both phones here were scored by me, using the same ten categories, with no ads, sponsorships, or manufacturer relationships — this comparison is as objective and honest as it gets.
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