Oppo F15
#1939
vivo X21 UD
#2702Category Breakdown
Oppo F15
vivo X21 UD
Performance
80.179.6
Camera
45.519.1
Display
76.682.8
Battery
29.025.7
Build
88.276.2
Connectivity
53.459.3
Audio
8.98.9
Overall
53.246.8
Summary
- The Oppo F15 features a slightly larger 6.4-inch AMOLED display with a resolution of 1080 x 2400 pixels, while the vivo X21 UD has a 6.28-inch Super AMOLED display at 1080 x 2280 pixels, both offering a 60Hz refresh rate.
- In terms of performance, the F15 is powered by the Mediatek Helio P70 chipset, whereas the X21 UD uses the Qualcomm Snapdragon 660, with both models offering 128GB of storage but differing in RAM configurations.
- The F15's camera system includes a 48 MP main sensor compared to the X21 UD's 12 MP, with both capable of 1080p video recording.
- The F15 has a larger 4025 mAh battery with 20W charging, while the X21 UD has a 3200 mAh battery with 18W charging.
- For software, the F15 runs Android 9.0 with ColorOS 11.1, while the X21 UD operates on Android 8.1 with Funtouch 4, reflecting a more recent software experience in the F15.
Side-by-side Specification Comparison
Oppo F15
vivo X21 UD
General
Release Date
2020, January 16
2018
Announced
2020, January 16
2018
Description
N/A
N/A
Display
Size
6.4"
6.28"
Type
AMOLED, 430 nits (typ)
Super AMOLED
Resolution
1080 x 2400 pixels, 20:9 ratio (~408 ppi density)
1080 x 2280 pixels, 19:9 ratio (~402 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 5
Corning Gorilla Glass 3
Performance
Chipset
Mediatek MT6771V Helio P70 (12 nm)
Qualcomm SDM660 Snapdragon 660 (14 nm)
CPU
Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU
Mali-G72 MP3
Adreno 512
Memory
128GB 4GB RAM, 128GB 8GB RAM
128GB 6GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (uses shared SIM slot)
Camera
Main Camera
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF8 MP, f/2.3, 13mm (ultrawide), 1/4.0", 1.12µm2 MP B/W, f/2.4, 1/5.0", 1.75µm2 MP, f/2.4, (depth)
12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF5 MP, f/2.4, (depth)
Main Camera Features
LED flash, HDR, panorama
LED flash, HDR, panorama
Front Camera
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
12 MP, f/2.0, (wide), 1/2.8", 1.28µm
Front Camera Features
HDR
N/A
Video Recording
1080p@30fps, gyro-EIS
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
4025 mAh
3200 mAh
Battery Details
Li-Po 4025 mAh
Li-Ion 3200 mAh, non-removable
Charging Details
20W wired, 50% in 30 min
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
160.2 x 73.3 x 7.9 mm (6.31 x 2.89 x 0.31 in)
154.5 x 74.8 x 7.4 mm (6.08 x 2.94 x 0.29 in)
Weight
172 g
156.2 g
Materials
Glass front (Gorilla Glass 5), plastic back, plastic frame
Glass front (Gorilla Glass 3), aluminum back, aluminum frame
Colors
Lightening Black, Unicorn White
Black, Ruby Red
Foldable
✗
✗
SAR
1.20 W/kg (head) 0.55 W/kg (body)
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / CDMA / HSPA / LTE
Network Speed
HSPA, LTE
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
4.2, A2DP, LE
5.0, A2DP, LE
NFC
✗
✗
USB
USB Type-C 2.0, OTG
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS
GPS, GLONASS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 9.0 (Pie), upgradable to Android 11, ColorOS 11.1
Android 8.1 (Oreo), Funtouch 4
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, proximity, compass