Category Breakdown
BlackBerry KEY2
Xiaomi Mi Max 4 Pro
Performance
62.562.5
Camera
45.447.1
Display
70.570.5
Battery
58.558.5
Build
79.879.8
Overall
60.961.4
Summary
- The BlackBerry KEY2 features a compact build with a 4.5-inch IPS LCD display at 1080 x 1620 pixels, while the Xiaomi Mi Max 4 Pro offers a larger 7.2-inch IPS LCD with a resolution of 1080 x 2310 pixels.
- In terms of performance, the KEY2 is powered by a Snapdragon 660 chipset, whereas the Mi Max 4 Pro utilizes the newer Snapdragon 675, providing improved efficiency.
- The camera capabilities differ significantly, with the KEY2 sporting a dual 12 MP rear setup compared to the Mi Max 4 Pro's 48 MP main camera, enhancing photography options.
- Battery life favors the Mi Max 4 Pro with a 5800 mAh capacity versus the KEY2's 3500 mAh, both supporting 18W charging.
- Software-wise, the KEY2 runs on Android 8.1, while the Mi Max 4 Pro features Android 9.0 with MIUI 11, offering a more updated user experience.
- Build quality is robust for both, with the KEY2 using Gorilla Glass 3 and an aluminum frame, while the Mi Max 4 Pro employs Gorilla Glass 5 and an aluminum back.
Side-by-side Specification Comparison
BlackBerry KEY2
Xiaomi Mi Max 4 Pro
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 SDM675 Snapdragon 675 (11 nm)
CPU
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
GPU
Adreno 512
Adreno 612
Memory
64GB 6GB RAM, 128GB 6GB RAM
64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB 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, PDAF20 MP
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), 960fps
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 (under display, optical), accelerometer, gyro, proximity, compass
Audio
Stereo Speakers
✗
✓
Loudspeaker
Yes
Yes, with stereo speakers
Audio Jack
Yes
Yes

