HTC U Ultra vs Realme 16
Product
Price
299 USD
299 USD
Status
Discontinued
Available
Brand
HTC Mobiles
Realme Mobiles
Model No
U Ultra
RMX5171
Launch Date
2017, January 17
2026, January 29
Wikipedia
Website
Technology
GSM / HSPA / LTE
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 39, 40, 41
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 40, 41, 66
Speed
HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat11 600/50 Mbps
HSPA, LTE, 5G
5G bands
1, 2, 3, 5, 7, 8, 20, 26, 28, 38, 40, 41, 66, 77, 78 SA/NSA
Dimensions
162.4 x 79.8 x 8 mm (6.39 x 3.14 x 0.31 in)
158.3 x 75.1 x 8.1 mm (6.23 x 2.96 x 0.32 in)
Weight
170 g (6.00 oz)
183 g (6.46 oz)
Build
Glass front (Gorilla Glass 5 or Sapphire crystal), glass back, aluminum frame
Glass front (AGC DT-Star D+), plastic frame, plastic back
AGC DT-Star D+
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 0.5m for 60 days)
SIM
Hybrid Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Colors
Brilliant Black, Cosmetic Pink, Ice White, Sapphire Blue
White Swan, Black Cloud
Type
Super LCD5 capacitive touchscreen, 16M colors
AMOLED, 1B colors, 120Hz, 2160Hz PWM, HDR, 1000 nits (typ), 1400 nits (HBM), 4500 nits (peak)
Size
5.7 inches, 90.3 cm2 (~69.7% screen-to-body ratio)
6.57 inches, 105.0 cm2 (~88.3% screen-to-body ratio)
Resolution
1440 x 2560 pixels, 16:9 ratio (~513 ppi density)
1080 x 2372 pixels (~397 ppi density)
OS
Android 7.0 (Nougat), upgradable to Android 8.0 (Oreo)
Android 16, Realme UI 7.0
Chipset
Qualcomm MSM8996 Snapdragon 821 (14 nm)
Mediatek Dimensity 6400 Turbo (6 nm)
CPU
Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)
Octa-core (2x2.5 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Adreno 530
Mali-G57 MC2
RAM
4GB
8GB/12GB
Storage
64GB, 128GB
256GB
UFS 2.2
Card Slot
microSDXC (uses shared SIM slot)
Lens 1
12 MP, f/1.8, 26mm (wide), 1/2.3", 1.55µm, PDAF, Laser AF, OIS
50 MP, f/1.8, 26mm (wide), 1/2.93", 0.60µm, PDAF
Features
Dual-LED dual-tone flash, panorama
Laser AF, color spectrum sensor, LED flash, HDR, panorama, selfie mirror
Video
4K@30fps (24-bit/192kHz audio), 720p@120fps
1080p@30fps, gyro-EIS
Lens 2
Auxiliary lens
Lens 1
16 MP, f/2.0, 27mm (wide), 1/3.06", 1.0µm
50 MP, f/2.4, 23mm (wide)
Features
Auto-HDR
Panorama
Video
1080p@30fps
1080p@30/60fps
Capacity
Li-Ion 3000 mAh, non-removable
Si/C Li-Ion 7000 mAh
Charging
Fast charging 18W
Quick Charge 3.0
60W wired, 45W PPS, 13.5W PD2.0
Reverse wired
Talk Time
Up to 26 h (3G)
Sensors
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Fingerprint (under display, ultrasonic), accelerometer, gyro, compass, proximity
Loudspeaker
Yes
Yes
3.5mm jack
No
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
Wi-Fi 802.11 a/b/g/n/ac dual-band
Bluetooth
4.2, A2DP, LE
5.3, A2DP, LE, aptX HD, LHDC
GPS
Yes, with A-GPS, GLONASS, BDS
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Yes
Yes
Radio
No
Unspecified
USB
3.1, Type-C 1.0 reversible connector
USB Type-C 2.0, OTG

