Category Breakdown
BlackBerry KEY2
Realme U1
Performance
74.470.8
Camera
38.144.5
Display
58.958.9
Battery
26.626.6
Build
74.771.8
Connectivity
68.052.4
Audio
8.98.9
Overall
44.944.0
Summary
- The BlackBerry KEY2 features a compact 4.5-inch IPS LCD display with a resolution of 1080 x 1620 pixels, while the Realme U1 offers a larger 6.3-inch IPS LCD with a resolution of 1080 x 2340 pixels, providing a higher pixel density.
- In terms of performance, the KEY2 is powered by the Qualcomm Snapdragon 660 chipset, which generally offers better performance compared to the MediaTek Helio P70 in the U1.
- The KEY2's dual 12 MP rear cameras provide 4K video recording, whereas the U1 has a 13 MP primary camera with 1080p video capabilities.
- Both phones have a 3500 mAh battery, but the KEY2 supports faster 18W charging compared to the U1's 10W.
- The KEY2 runs on Android 8.1 with a focus on security features, while the U1 operates on Android 8.1 with ColorOS 6, which is upgradable to Android 9.0.
- Build quality is similar, with both featuring Gorilla Glass fronts and plastic backs, but the KEY2 has an aluminum frame, enhancing its durability.
Side-by-side Specification Comparison
BlackBerry KEY2
Realme U1
General
Release Date
2018
2018
Announced
2018
2018
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
Versions: RMX1831, RMX1833
Display
Size
4.5"
6.3"
Type
IPS LCD
IPS LCD
Resolution
1080 x 1620 pixels, 3:2 ratio (~434 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
Corning Gorilla Glass 3
Performance
Chipset
Qualcomm SDM660 Snapdragon 660 (14 nm)
Mediatek MT6771 Helio P70 (12 nm)
CPU
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU
Adreno 512
Mali-G72 MP3
Memory
64GB 6GB RAM, 128GB 6GB RAM
32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (uses shared SIM slot)
microSDXC (dedicated slot)
Camera
Main Camera
12 MP, f/1.8, 1/2.3", 1.28µm, dual pixel PDAF12 MP, f/2.6, 1/3.4", 1.0µm, PDAF
13 MP, f/2.2, AF2 MP, f/2.4, (depth)
Main Camera Features
Dual-LED dual-tone flash, HDR, panorama
LED flash, HDR, panorama
Front Camera
8 MP, f/2.0, 1/4.0", 1.12µm
25 MP, f/2.0, 1/2.8", 0.9µm
Front Camera Features
N/A
HDR
Video Recording
4K@30fps, 1080p@30fps
1080p@30fps, 720p@90fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3500 mAh
3500 mAh
Battery Details
Li-Ion 3500 mAh, non-removable
Li-Ion 3500 mAh, non-removable
Charging Details
18W wired, QC3, 50% in 36 min
10W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
151.4 x 71.8 x 8.5 mm (5.96 x 2.83 x 0.33 in)
157 x 74 x 8 mm (6.18 x 2.91 x 0.31 in)
Weight
168 g
168 g
Materials
Glass front (Gorilla Glass 3), plastic back, aluminum frame (7000 series)
Glass front (Gorilla Glass 3), plastic back, plastic frame
Colors
Black, Silver, Red
Ambitious Black, Brave Blue, Fiery Gold
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIMNano-SIM + Nano-SIM - BBF100-6 only
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE (3CA) Cat11 600/75 Mbps
HSPA 42.2/5.76 Mbps, LTE 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 b/g/n, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE, EDR
4.2, A2DP, LE
NFC
✓
✗
USB
USB Type-C 3.0, OTG
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS2
GPS, GLONASS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 8.1 (Oreo)
Android 8.1 (Oreo), upgradable to Android 9.0 (Pie), ColorOS 6
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Fingerprint (rear-mounted), accelerometer, proximity, compass

