Poco X4 GT vs Ulefone Armor 21

At a glance

Brand: POCO; Ulefone
Release date: June 2022, 4 years ago; May 2023, 3 years 1 months ago
AnTuTu: 820.061 Antutu v10 Overall performance better than 81% of devices; 411.900 Antutu v10 Overall performance better than 68% of devices

Size: 6.6"; 6.58"
Resolution: 1080 x 2460 px FHD+; 1080 x 2408 px FHD+
Type: LCD IPS; LCD IPS
Density: 407 ppi Very high density; 367 ppi High Density
Aspect ratio: 20:9; 20:9
Features: Hole-punch Notch, Refresh rate 144 Hz, Touch sampling rate 270 Hz, Brightnes 500 cd/m² (typ), Max brightness HBM - 650 cd/m², 1400:1 contrast ratio, HDR10, DCI-P3, sRGB standard, DisplayMate A+, Dolby Vision, Scratch resistant, Corning Gorilla Glass 5, 3D curved glass screen, Capacitive, Multi-touch, Frameless; Water Drop Notch, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Color LED Notifications, Scratch resistant, Capacitive, Multi-touch, Oleophobic coating

Chipset: MediaTek Dimensity 8100 Max; MediaTek Helio G99 (MT6789)
CPU: 4x Cortex A78 2.85 GHz + 4x Cortex A55 2.0 GHz; 2x Cortex A76 2.2 GHz + 6x Cortex A55 2.0 GHz
CPU type: Octa-Core; Octa-Core
Process: 5 nm; 6 nm
Frequency: 2.85 GHz; 2.2 GHz
GPU: Mali-G610 MC6; Mali-G57 MC2
RAM: 8 GB; 8 GB
RAM type: RAM LPDDR5; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 64 Mpx; 64 Mpx
Aperture: ƒ/ 1.89; ƒ/ 1.9
Sensor: Samsung Bright S5KGW1; Sony IMX686 Exmor RS
Pixel size: 0.80 µm; 0.80 µm
Sensor size: 1/1.72"; 1/1.7"
Flash: LED; Dual LED
Optical stabilization: No; No
Slow motion: Yes, 960 fps; No, 30 fps
Features: 4K Video, Digital zoom, Triple camera, Digital image stabilization, Ultra stable video, Autofocus, Touch focus, Continuous autofocus, Manual focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Night Mode; Digital zoom, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Dimensions: 74.3 mm 163.6 mm 8.9 mm Print 3D Model; 81.6 mm 176.0 mm 18.1 mm Print 3D Model
Weight: 200 g; 400 g
Materials: Plastic , Glass; Rugged Smartphone, Polycarbonate
Colors: Black Blue Silver; Black
Water/dust resistance: IP53; IP68, IP69 , MIL-STD-810H
Usable surface: 85 %; 77 %
Drop resistance: —; Class A B C D E 270 drops without defects
Repairability: —; Class A B C D E

Operating system: Android 14 Upside-down cake HyperOS (Android 14); Android 13 Tiramisu Android 13
Google services: With Google Mobile Services; With Google Mobile Services

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.3 LELow energy consumption; Bluetooth 5.2 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), LE (Low Energy), ANT+, APT-x, LDAC, SBC, AAC; A2DP (Advanced Audio Distribution Profile), LE (Low Energy)
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax); 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
Wi-Fi features: Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO; Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
USB: USB Type-C; USB Type-C
USB features: Charging, OTG; Charging, OTG
Navigation: A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1); GPS, A-GPS, GLONASS, Beidou, Galileo

5G: n1 (2100), n3 (1800), n5 (850), n7 (2600), n8 (900), n20 (800), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n77 (3700), n78 (3500); —
4G LTE: B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500); B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B18 (800), B19 (800), B20 (800), B28b (700), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)
3G: B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); CDMA BC0 (800), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900)