BlackBerry KEY2
#3106
Xiaomi Mi Max 4
#2184Category Breakdown
BlackBerry KEY2
Xiaomi Mi Max 4
Performance
75.482.7
Camera
75.584.2
Display
73.478.2
Battery
67.297.7
Build
82.362.4
Overall
74.881.0
Summary
- The BlackBerry KEY2 features a compact 4.5-inch IPS LCD display with a resolution of 1080 x 1620 pixels, while the Xiaomi Mi Max 4 offers a larger 7.2-inch IPS LCD with a resolution of 1080 x 2310 pixels, providing a more immersive viewing experience.
- Both devices are powered by the Qualcomm Snapdragon 660 chipset, but the KEY2 has 6GB of RAM compared to the Mi Max 4's 4GB or 6GB options, potentially affecting multitasking performance.
- In terms of camera capabilities, the Mi Max 4 has a significantly higher rear resolution of 48 MP versus the KEY2's 12 MP, which may result in better image quality.
- The Mi Max 4 also boasts a larger 5800 mAh battery compared to the KEY2's 3500 mAh, offering longer usage time.
- Software-wise, the KEY2 runs Android 8.1, while the Mi Max 4 is equipped with Android 9.0 and MIUI 11, providing a more updated software experience.
- Both phones have a headphone jack, but only the Mi Max 4 features stereo speakers.
Side-by-side Specification Comparison
BlackBerry KEY2
Xiaomi Mi Max 4
General
Release Date
2018
N/A
Announced
2018
N/A
Description
Versions: BBF100-1 (EU, Africa, AU); BBF100-2 (Canada, US, LATAM); BBF100-6 (ME, APAC, India); BBF100-4 (China)
Also known as BlackBerry Athena
Unofficial preliminary specifications
Display
Size
4.5"
7.2"
Type
IPS LCD
IPS LCD
Resolution
1080 x 1620 pixels, 3:2 ratio (~434 ppi density)
1080 x 2310 pixels (~354 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
Corning Gorilla Glass 5
Performance
Chipset
Qualcomm SDM660 Snapdragon 660 (14 nm)
Qualcomm SDM660 Snapdragon 660 (14 nm)
CPU
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU
Adreno 512
Adreno 512
Memory
64GB 6GB RAM, 128GB 6GB RAM
64GB 4GB RAM, 64GB 6GB RAM, 128GB 6GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (uses shared SIM slot)
microSDXC (uses shared SIM slot)
Camera
Main Camera
12 MP
48 MP
Main Camera Details
12 MP, f/1.8, 1/2.3", 1.28µm, dual pixel PDAF12 MP, f/2.6, 1/3.4", 1.0µm, PDAF
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAFTOF 3D, (depth)
Front Camera
8 MP
8 MP
Front Camera Details
8 MP, f/2.0, 1/4.0", 1.12µm
8 MP, f/2.0, 1/4.0", 1.12µm
Video Recording
4K@30fps, 1080p@30fps
4K@30fps, 720p/1080p@30fps (gyro-EIS)
Selfie Video
1080p@30fps
1080p@30fps
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
3500 mAh
5800 mAh
Battery Details
Li-Ion 3500 mAh, non-removable
Li-Po 5800 mAh, non-removable
Charging Details
18W wired, QC3, 50% in 36 min
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
151.4 x 71.8 x 8.5 mm (5.96 x 2.83 x 0.33 in)
N/A
Weight
168 g
N/A
Materials
Glass front (Gorilla Glass 3), plastic back, aluminum frame (7000 series)
Glass front (Gorilla Glass 5), aluminum back, aluminum frame
Water Resistance
N/A
N/A
Colors
Black, Silver, Red
Black, Champagne Gold, Blue
Foldable
✗
✗
Connectivity
SIM
Nano-SIMNano-SIM + Nano-SIM - BBF100-6 only
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / CDMA / HSPA / EVDO / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE (3CA) Cat11 600/75 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, DLNA
Bluetooth
5.0, A2DP, LE, EDR
5.0, A2DP, LE
NFC
✓
✗
USB
USB Type-C 3.0, OTG
USB Type-C
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS2
GPS, GLONASS, BDS
Software
Operating System
Android 8.1 (Oreo)
Android 9.0 (Pie), MIUI 11
OS Version
Android 8.1 (Oreo)
Android 9.0 (Pie), MIUI 11
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Audio
Stereo Speakers
✗
✓
Loudspeaker
Yes
Yes, with stereo speakers
Audio Jack
Yes
Yes