Compare / Poco F9 Ultra vs vivo X300s
Poco F9 Ultra vs vivo X300s
A side-by-side comparison of the Poco F9 Ultra and the vivo X300s, covering display, chipset, memory, camera, battery and build.


Overview
Specifications
Poco F9 Ultra
- Technology
- GSM / HSPA / LTE / 5G
- 2G bands
- GSM 850 / 900 / 1800 / 1900
- 3G bands
- HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
- 4G bands
- 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 40, 41, 42, 48, 66
- 5G bands
- 1, 2, 3, 5, 7, 8, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA
- Speed
- HSPA, LTE, 5G
vivo X300s
- Technology
- GSM / HSPA / LTE / 5G
- 2G bands
- GSM 850 / 900 / 1800 / 1900
- 3G bands
- HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100
- 4G bands
- 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66
- 5G bands
- 1, 2, 3, 5, 7, 8, 18, 20, 25, 26, 28, 34, 38, 39, 40, 41, 48, 66, 77, 78, 79 SA/NSA/Sub6
- Speed
- HSPA, LTE, 5G
Poco F9 Ultra
- Announced
- 2026, September 01
- Status
- Available. Released 2026, September 01
vivo X300s
- Announced
- 2026, March 30
- Status
- Available. Released 2026, April 03
Poco F9 Ultra
- Dimensions
- 163.5 x 77.9 x 8.7 mm (6.44 x 3.07 x 0.34 in)
- Weight
- 235 g (8.29 oz)
- Build
- Glass front (Gorilla Glass 7i), aluminum frame, glass-fiber reinforced plastic back
- SIM
Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
vivo X300s
- Dimensions
- 162 x 75.5 x 8 mm (6.38 x 2.97 x 0.31 in)
- Weight
- 217 g (7.65 oz)
- Build
- Glass front, aluminum frame, glass back
- SIM
· Nano-SIM + Nano-SIM + eSIM (max 2 at a time) - International
· Nano-SIM + Nano-SIM - China
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Poco F9 Ultra
- Type
- AMOLED68B colors185HzDolby VisionHDR10+850 nits (typ)2200 nits (HBM)4500 nits (peak)
- Size
- 6.9 inches, 116.6 cm2 (~91.6% screen-to-body ratio)
- Resolution
- 1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density)
- Protection
Corning Gorilla Glass 7i
10000 nits (peak) in HDR videos only
vivo X300s
- Type
- LTPO AMOLED1B colors144Hz2160Hz PWMHDR10+HDR Vivid
- Size
- 6.78 inches, 111.5 cm2 (~91.1% screen-to-body ratio)
- Resolution
- 1260 x 2800 pixels, 20:9 ratio (~452 ppi density)
- Protection
Reinforced Glass
Ultra HDR image support
Poco F9 Ultra
- OS
- Android 16, up to 4 major OS updates, HyperOS 3
- Chipset
- Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
- CPU
- Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
- GPU
- Adreno 840
vivo X300s
- OS
- Android 16, up to 5 major OS updates, OriginOS 6
- Chipset
- Mediatek Dimensity 9500 (3 nm)
- CPU
- Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
- GPU
- Arm G1-Ultra
Poco F9 Ultra
- Card slot
- No
- Internal
256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
UFS 4.1
vivo X300s
- Card slot
- No
- Internal
256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
UFS 4.1
Poco F9 Ultra
- Triple
200 MP, f/1.7, 24mm (wide), 1/1.56", 0.5µm, PDAF, OIS
50 MP, f/3.0, 114mm (periscope telephoto), 1/2.76", 0.64µm, PDAF, OIS, 5x optical zoom
50 MP, f/2.4, 17mm, 102˚ (ultrawide), 1/2.88", 0.61µm
- Features
- Color spectrum sensor, LED flash, HDR, panorama
- Video
- 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960/1920fps, gyro-EIS, HDR10+
vivo X300s
- Triple
200 MP, f/1.7, 23mm (wide), 1/1.4", 0.56µm, PDAF, OIS
50 MP, f/2.6, 70mm (periscope telephoto), 1/1.95", PDAF, OIS, 3x optical zoom
50 MP, f/2.0, 15mm, 119˚ (ultrawide), 1/2.76", 0.64µm, AF
Optional add-on zoom lenses:
200mm, 2.35x optical zoom, Zeiss optics
- Features
- Color spectrum sensorLaser AFZeiss opticsZeiss T* lens coatingLED flashpanoramaHDR3D LUT import
- Video
- 4K@30/60/120fps, 1080p@30/60/120/240fps, gyro-EIS, 4K@120fps HDR
Poco F9 Ultra
- Single
- 32 MP, f/2.2, 22mm (wide), 1/3.4", 0.61µm
- Features
- HDR
- Video
- 4K@30fps, 1080p@30/60fps
vivo X300s
- Single
- 50 MP, f/2.0, 20mm (wide), 1/2.76", 0.64µm, AF
- Features
- HDR
- Video
- 4K@30/60fps, 1080p@30/60fps
Poco F9 Ultra
- Loudspeaker
- Yes, with stereo speakers (with Dolby Atmos)
- 3.5mm jack
No
Tuned by Bose
Bose 2.1 stereo sound system with a woofer
24-bit/192kHz Hi-Res & Hi-Res wireless audio
vivo X300s
- Loudspeaker
- Yes, with stereo speakers
- 3.5mm jack
- No
Poco F9 Ultra
- WLAN
- Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
- Bluetooth
- 6.0A2DPLEAptX HDAptX AdaptiveLHDC 5.0ASHAMIHCAuracast
- Positioning
- GPS (L1+L5)BDS (B1I+B1c+B2a)GALILEO (E1+E5a)QZSS (L1+L5)NavIC (L5)GLONASS
- NFC
- Yes (market/region dependent)
- Infrared port
- Yes
- Radio
- No
- USB
- USB Type-C 3.2, OTG, video output
vivo X300s
- WLAN
- Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band
- Bluetooth
- 5.4, A2DP, LE, aptX HD, LHDC 5
- Positioning
- GPS (L1+L5)BDS (B1I+B1c+B2a+B2b)GALILEO (E1+E5a+E5b)QZSS (L1+L5)NavIC (L1+L5)GLONASS
- NFC
- Yes
- Infrared port
- Yes
- Radio
- No
- USB
- USB Type-C 3.2, OTG, DisplayPort
Poco F9 Ultra
- Sensors
- Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass
vivo X300s
- Sensors
- Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
Poco F9 Ultra
- Type
- Si/C Li-Ion 8050 mAh
- Charging
100W wired, PD3.0, QC3+, 100W PPS, 100% in 50 min
50W wireless, 50% in 37 min
27W reverse wired
22.5W reverse wireless
vivo X300s
- Type
- Si/C Li-Ion 7100 mAh
- Charging
90W wired
40W wireless
Reverse wired
Poco F9 Ultra
- Colors
- Black, Dark Cherry
- Models
- 26077PC53G
- Price
- £ 729.00 / € 779.90
vivo X300s
- Colors
- Black, Silver, Purple, Green
- Models
- V2548A
- Price
- About 630 EUR
Poco F9 Ultra
- Performance
- GeekBench: 10500 (v6)
- Display
- 1283 nits max brightness (measured)
- Loudspeaker
- -26.1 LUFS (Good)
- Battery
- Active use score 24:35h
vivo X300s
Not listed for this device
Poco F9 Ultra
- Energy
- Class A
- Battery
- 80:44h endurance, 1000 cycles
- Free fall
- Class C (90 falls)
- Repairability
- Class C
vivo X300s
Not listed for this device
How the Poco F9 Ultra and vivo X300s differ
- The Poco F9 Ultra has a larger battery, 8050 mAh against 7100 mAh on the vivo X300s.
- The Poco F9 Ultra has the bigger screen, 6.9 inches against 6.78 inches.
- The Poco F9 Ultra is the newer of the two, released in August 2026.