TCL 20B vs Oppo K15
.webp)
Price
340 USD
340 USD
Status
Available
Available
Brand
Tcl Mobiles
Oppo Mobiles
Model No
TCL 20B
Oppo K15
Launch Date
2021, September 30
2026, July 18
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 / 1900 / 2100
HSDPA 800 / 850 / 900 / 2100
4G bands
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
1, 3, 5, 8, 19, 28, 34, 38, 39, 40, 41, 42, 43, 48
Speed
HSPA 42.2/5.76 Mbps, LTE
HSPA, LTE, 5G
5G bands
1, 3, 5, 8, 28, 34, 38, 39, 40, 41, 48, 77, 78 SA/NSA
Dimensions
164.7 x 74.7 x 8 mm (6.48 x 2.94 x 0.31 in)
Weight
178 g (6.28 oz)
Build
Glass front, plastic frame, plastic back
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
RGB LED lights (on the back)
SIM
Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Colors
Gray, Violet
Gray, Silver
Type
IPS LCD
AMOLED, 1B colors, 120Hz
Size
6.52 inches, 102.6 cm2 (~83.4% screen-to-body ratio)
6.59 inches, 105.6 cm2 (~88.9% screen-to-body ratio)
Resolution
720 x 1600 pixels, 20:9 ratio (~269 ppi density)
1256 x 2760 pixels (~460 ppi density)
OS
Android 11, TCL UI
Android 16, ColorOS 16
Chipset
Mediatek MT6762 Helio P22 (12 nm)
Mediatek Dimensity 7360 Super (4 nm)
CPU
Octa-core 1.8 GHz Cortex-A53
Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU
PowerVR GE8320
Mali-G615 MC2
RAM
4GB
12GB
Storage
64GB
256GB
Card Slot
microSDXC
Lens 1
50 MP, (wide), PDAF
50 MP, f/1.8, (wide), PDAF, OIS
Lens 2
2 MP, f/2.4, (depth)
50 MP, f/2.2, (ultrawide)
Features
LED flash, HDR, panorama
Color spectrum sensor, LED flash, panorama
Video
1080p@30fps
4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS
Lens 1
8 MP
50 MP, (wide)
Video
1080p@30fps
Yes
Features
Panorama
Capacity
Li-Po 4000 mAh, non-removable
Si/C Li-Ion 8000 mAh
Charging
Fast charging 18W
80W wired, 44W/80W UFCS, 55W PPS, 13.5W PD
Reverse wired
Bypass charging
Sensors
Fingerprint (rear-mounted), accelerometer, proximity
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Loudspeaker
Yes
Yes, with stereo speakers
3.5mm jack
Yes
WLAN
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Bluetooth
5.0, A2DP, LE
5.4, A2DP, LE, aptX HD, LHDC 5
GPS
Yes, with A-GPS
GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC (L5), GLONASS
NFC
No
Yes
Radio
Unspecified
USB
USB Type-C 2.0
USB Type-C 2.0, OTG