Category Breakdown
Samsung Galaxy M21 2021
Ulefone Armor 7
Performance
76.582.3
Camera
64.438.1
Display
76.258.9
Battery
37.797.6
Build
85.20.2
Connectivity
62.867.8
Audio
8.98.9
Overall
58.450.1
Summary
- The Samsung Galaxy M21 2021 features a glass front and plastic back, offering a lighter build at 192g compared to the heavier, bulkier Ulefone Armor 7, which weighs 290g and has a thicker profile.
- The M21's 6.4-inch Super AMOLED display provides vibrant colors and deeper blacks, while the Armor 7 has a 6.3-inch IPS LCD that is less vivid.
- In terms of performance, the M21 is powered by the Exynos 9611 chipset with options for 4GB or 6GB of RAM, whereas the Armor 7 uses the Mediatek Helio P90 with 8GB of RAM, potentially offering better multitasking.
- Both phones have a 48 MP main camera, but the Armor 7 includes an additional telephoto lens and a wider aperture for improved low-light performance.
- The M21 has a larger 6000mAh battery compared to the Armor 7's 5500mAh, providing longer usage time, while the M21 runs on Android 11 with One UI 3.1 Core, offering a more updated software experience than the Armor 7's Android 9.0.
Side-by-side Specification Comparison
Samsung Galaxy M21 2021
Ulefone Armor 7
General
Release Date
2021, July 21
2019
Announced
2021, July 21
2019
Description
Also known as Samsung Galaxy M21 2021 Edition
N/A
Display
Size
6.4"
6.3"
Type
Super AMOLED, 420 nits (peak)
IPS LCD
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Exynos 9611 (10 nm)
Mediatek MT6779 Helio P90 (12 nm)
CPU
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Octa-core (2x2.2 GHz Cortex-A75 & 6x2.0 GHz Cortex-A55)
GPU
Mali-G72 MP3
PowerVR GM9446
Memory
64GB 4GB RAM, 128GB 6GB RAM
128GB 8GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (uses shared SIM slot)
Camera
Main Camera
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm5 MP, f/2.2, (depth)
48 MP, f/1.7, (wide), 1/2.0", 0.8µm, PDAF16 MP, f/2.0, (wide), AF8 MP, f/2.4, (telephoto)
Main Camera Features
LED flash, panorama, HDR
5-LED flash, HDR, panorama
Front Camera
20 MP, f/2.2, 26mm (wide)
16 MP, f/2.0, (wide), 1/3.06", 1.0µm
Front Camera Features
HDR
N/A
Video Recording
4K@30fps, 1080p@30fps, 720p@240fps, gyro-EIS
4K@30fps, 1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
6000 mAh
5500 mAh
Battery Details
Li-Po 6000 mAh
Li-Po 5500 mAh
Charging Details
15W wired
15W wired10W wireless
Fast Charging
✗
✗
Wireless Charging
✗
✓
Build & Safety
Dimensions
159 x 75.1 x 9 mm (6.26 x 2.96 x 0.35 in)
165.9 x 81 x 13.6 mm (6.53 x 3.19 x 0.54 in)
Weight
192 g
290 g
Materials
Glass front, plastic back, plastic frame
N/A
Colors
Charcoal Black, Arctic Blue
Black
Foldable
✗
✗
SAR
0.47 W/kg (head)
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / CDMA / HSPA / EVDO / LTE
Network Speed
HSPA, LTE
HSPA 42.2/11.5 Mbps, LTE (2CA) Cat13 600/150 Mbps
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
USB Type-C 2.0
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO, BDS
GPS, GLONASS, GALILEO, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
No
Software & Security
Operating System
Android 11, One UI 3.1 Core
Android 9.0 (Pie)
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, heart rate, baroceptor, coulombmeter

