HMD Key
#3378
Infinix Smart 4c
#4639Category Breakdown
HMD Key
Infinix Smart 4c
Performance
52.460.2
Camera
39.619.1
Display
69.256.5
Battery
28.128.1
Build
0.20.2
Connectivity
47.945.3
Audio
8.98.9
Overall
41.532.0
Summary
- The HMD Key features a slightly smaller 6.52-inch IPS LCD display with a resolution of 576 x 1280 pixels, while the Infinix Smart 4c has a 6.6-inch IPS LCD with a higher resolution of 720 x 1600 pixels, resulting in better pixel density.
- In terms of performance, the HMD Key is powered by a Unisoc SC9832E chipset with a 1.3 GHz CPU, whereas the Infinix Smart 4c uses a more powerful Mediatek MT6761 Helio A22 at 2.0 GHz.
- Both devices have an 8 MP rear camera, but the Infinix can record video at 1080p, while the HMD Key's video capabilities are unspecified.
- Both phones have a 4000 mAh battery, but the HMD Key supports 10W charging, unlike the Infinix.
- The HMD Key runs on Android 14 (Go edition), offering a more updated software experience compared to the Infinix's Android 9.0 (Pie).
- In terms of build, the HMD Key is slightly thicker and heavier than the Infinix Smart 4c, which is marginally lighter and slimmer.
Side-by-side Specification Comparison
HMD Key
Infinix Smart 4c
General
Release Date
2025, January 02
2019
Announced
2025, January 02
2019
Description
N/A
Also known as Infinix Smart 4 X653C
Display
Size
6.52"
6.6"
Type
IPS LCD, 460 nits (peak)
IPS LCD
Resolution
576 x 1280 pixels, 20:9 ratio (~215 ppi density)
720 x 1600 pixels, 20:9 ratio (~266 ppi density)
PPI
576
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Unisoc SC9832E
Mediatek MT6761 Helio A22 (12 nm)
CPU
Quad-core 1.3 GHz Cortex-A53
Quad-core 2.0 GHz Cortex-A53
GPU
Mali-820MP1
PowerVR GE8320
Memory
32GB 2GB RAM
32GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (uses shared SIM slot)
microSDXC (dedicated slot)
Camera
Main Camera
8 MP, (wide), AF
8 MPQVGA
Main Camera Features
LED flash, panorama
Dual-LED flash
Front Camera
5 MP
5 MP
Front Camera Features
N/A
N/A
Video Recording
Yes
1080p@30fps
Selfie Video
Yes
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
4000 mAh
4000 mAh
Battery Details
4000 mAh
4000 mAh, non-removable
Charging Details
10W wired
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
166.4 x 76.9 x 9 mm (6.55 x 3.03 x 0.35 in)
167 x 76 x 8.3 mm (6.57 x 2.99 x 0.33 in)
Weight
185.4 g
183 g
Materials
N/A
N/A
Colors
Black, Blue
Midnight Black, Quetzal Cyan, Cosmic Purple
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 a/b/g/n
Bluetooth
4.2, A2DP, LE
5.0, A2DP, LE
NFC
✗
✗
USB
USB Type-C
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GALILEO
GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 14 (Go edition)
Android 9.0 (Pie)
Fingerprint
✗
✓
Face Unlock
✗
✗
Sensors
Accelerometer, proximity
Fingerprint (rear-mounted), accelerometer, proximity, compass