Tecno Phantom 9
#2577
vivo X21i
#3726Category Breakdown
Tecno Phantom 9
vivo X21i
Performance
78.172.9
Camera
28.419.1
Display
80.282.8
Battery
26.626.4
Build
71.80.2
Connectivity
52.256.0
Audio
8.98.9
Overall
47.839.0
Summary
- The Tecno Phantom 9 features a slightly larger 6.39-inch AMOLED display with a resolution of 1080 x 2340 pixels, while the vivo X21i has a 6.28-inch Super AMOLED display at 1080 x 2280 pixels.
- In terms of performance, the Phantom 9 is powered by the Mediatek Helio P35 chipset, whereas the X21i utilizes the Helio P60, which may offer better processing capabilities.
- The Phantom 9's rear camera setup includes a 16 MP main sensor, while the X21i has a 12 MP main sensor, but the Phantom 9 boasts a higher 32 MP selfie camera compared to the X21i's 24 MP.
- Battery capacity is slightly higher in the X21i at 3425 mAh, with faster 18W charging, compared to the Phantom 9's 3500 mAh capacity and no fast charging.
- Both devices run different versions of Android, with the Phantom 9 on Android 9.0 and the X21i on Android 8.1, impacting the software experience.
- The build quality of both phones is comparable, with the Phantom 9 using Gorilla Glass 3 on the front and a plastic back, while the X21i's materials are unspecified.
Side-by-side Specification Comparison
Tecno Phantom 9
vivo X21i
General
Release Date
2019
2018
Announced
2019
2018
Description
N/A
N/A
Display
Size
6.39"
6.28"
Type
AMOLED
Super AMOLED
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~403 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 3
N/A
Performance
Chipset
Mediatek MT6765 Helio P35 (12 nm)
Mediatek MT6771 Helio P60 (12 nm)
CPU
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU
PowerVR GE8320
Mali-G72 MP3
Memory
128GB 6GB RAM
64GB 6GB RAM, 128GB 4GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (uses shared SIM slot)
Camera
Main Camera
16 MP, f/1.8, PDAF8 MP, f/2.4, 13mm (ultrawide)2 MP, f/2.8, (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
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm
Front Camera Features
HDR
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3500 mAh
3425 mAh
Battery Details
Li-Ion 3500 mAh, non-removable
Li-Ion 3425 mAh, non-removable
Charging Details
N/A
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
158.5 x 75.3 x 7.9 mm (6.24 x 2.96 x 0.31 in)
154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)
Weight
164.4 g
159 g
Materials
Glass front (Gorilla Glass 3), plastic back, plastic frame
N/A
Colors
Lapland Aurora
Black, Aurora White, Ruby Red, Night Purple
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / CDMA / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE
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
5.0, A2DP, LE
5.0, A2DP, LE
NFC
✗
✗
USB
microUSB 2.0, OTG
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS, GLONASS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 9.0 (Pie)
Android 8.1 (Oreo), Funtouch 4
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (rear-mounted), accelerometer, proximity, compass