vivo iQOO 15 vs Xiaomi Poco F8 Ultra

General Info

Manufacturer
vivo	Xiaomi
Announced
October 2025	November 2025
Status
Available - October 2025	Available - November 2025
Colors
Black, White, Green, Blue, Color changing	Black, White, Denim Blue
Form Factor
Candybar	Candybar
Dimension
163.7 x 76.8 x 8.1 mm (6.44 x 3.02 x 0.32 in)	163.3 x 77.8 x 7.9 mm or 8.3 mm (6.43 x 3.06 x 0.31 in or 0.33 in)
Weight
215 g or 220 g (7.58 oz or 7.76 oz)	218 g or 220 g (7.69 oz or 7.76 oz)
SIM Type
Nano-SIM + Nano-SIM	-
2G Network
GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G Network
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network
1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66	1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 40, 41, 42, 48, 66, 71
5G Network
1, 2, 3, 5, 7, 8, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 75, 77, 78, 80, 81, 83, 84, 89, 91, 92, 93, 94 SA/NSA	1, 2, 3, 5, 7, 8, 20, 26, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA
Messaging

Build Features
- Fingerprint Sensor (under display, ultrasonic) IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) Color-changing rear panel	- Fingerprint Sensor (under display, ultrasonic) IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)

OS
Android 16	Android 16
User Interface
OriginOS 6 (China)	HyperOS 3
Processor
Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M), Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm) [Similar]	Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M), Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm) [Similar]
GPU
Adreno 840 [Similar]	Adreno 840 [Similar]
RAM
16 GB [Browse Similar]	16 GB [Browse Similar]
Internal Memory
1 TB	512 GB
External Memory
No	No

Type
FHD+ LTPO AMOLED Screen 144Hz, PWM, Dolby Vision, HDR10+, HDR Vivid 1000 Nits (typ), 2600 Nits (HBM), 6000 Nits (peak)	FHD+ AMOLED, 2560Hz PWM, 120Hz Dolby Vision, HDR10+, 2000 Nits (HBM), 3500 Nits (peak) Poco Shield Glass
Colors
1B colors	68B colors
Size
6.85 inches [Similar]	6.9 inches [Similar]
Resolution
1440 x 3168 pixels (508 ppi)	1200 x 2608 pixels (416 ppi)
Screen-to-Body Ratio
90.71%	91.83%
Multi-Touch

Rear Camera
50 MP + 50 MP + 50 MP [Similar]	50 MP + 50 MP + 50 MP [Similar]
Flash
LED Flash	LED Flash
Features
50 MP, f/1.9, (wide), 1/1.56", 1.0µm, PDAF, OIS 50 MP, f/2.7, (periscope telephoto), 1/1.95", 0.8µm, PDAF, OIS, 3x optical zoom 50 MP, f/2.1, (ultrawide), 1/2.76", 0.64µm, AF HDR, Panorama	50 MP, f/1.7, 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 50 MP, f/3.0, 115mm (periscope telephoto), 1/2.76", 0.64µm, PDAF (30cm - ∞), OIS, 5x optical zoom 50 MP, f/2.4, 18mm, 102˚ (ultrawide), 1/2.88", 0.61µm Color Spectrum Sensor, HDR, Panorama
Video
8K@30fps, 4K@24/30/60fps, 1080p@30/60/120/240fps, gyro-EIS	8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS, HDR10+
Front Camera
32 MP, f/2.2, 21mm (wide) HDR 4K@30/60fps, 1080p@30/60fps [Similar]	32 MP, f/2.2, 21mm (wide), 1/3.44", 0.64µm HDR 4K@30fps, 1080p@30/60fps [Similar]

GPRS
Yes	Yes
Edge
Yes	Yes
3G
HSPA, LTE, 5G	HSPA, LTE, 5G
Bluetooth
6.0, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless, LHDC 5	6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5.0, ASHA, MIHC
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct	Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
USB
USB Type-C 3.2, OTG	USB Type-C 3.2, Display Port, OTG
GPS
GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5)	GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS
Browser
Yes	Yes

Internal
1 TB, 16 GB RAM or 512 GB, 16 GB RAM or 512 GB, 12 GB RAM or 256 GB, 16 GB RAM or 256 GB, 12 GB RAM UFS 4.1	512 GB, 16 GB RAM or 256 GB, 12 GB RAM UFS 4.1
Expandable Storage
No	No
USB OTG
Supported	Supported

Fingerprint

Proximity Sensor

Accelerometer Sensor

Magnetic-field Sensor (Compass)

Gyroscope Sensor

NFC

Type
Non-removable Si/C Li-Ion Battery Fast Battery Charging 100W wired, PPS 40W wireless	Non-removable Li-ion Battery Fast Battery Charging 100W wired, PD3.0, QC3+, 100W PPS, 100% in 38 min 50W wireless, 50% in 31 mins 22.5W reverse wired
Capacity
7000 mAh	6500 mAh
Stand by
-	-
Talk Time
-	-