Oppo K13 vs Ulefone Armor 33 Pro

At a glance

Brand: Oppo; Ulefone
Release date: April 2025, 1 years 2 months ago; July 2025, 11 months ago
AnTuTu: 789.000 Antutu v10 Overall performance better than 80% of devices; 708.000 Antutu v10 Overall performance better than 78% of devices

Size: 6.67"; 6.95"
Resolution: 1080 x 2400 px FHD+; 1080 x 2408 px FHD+
Type: AMOLED E4; LCD IPS
Density: 395 ppi High Density; 380 ppi High Density
Aspect ratio: 20:9; 20:9
Features: Hole-punch Notch, Refresh rate 120 Hz, Touch sampling rate 180 Hz, Brightnes 600 cd/m² (typ), Peak brightness - 2000 cd/m², Max brightness HBM - 1200 cd/m², 6000000:1 contrast ratio, HDR, DCI-P3, Scratch resistant, 2.5D glass screen, Capacitive, Multi-touch, Frameless; Hole-punch Notch, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Peak brightness - 700 cd/m², Color LED Notifications, Scratch resistant, Corning Gorilla Glass 5, Capacitive, Multi-touch

Chipset: Qualcomm Snapdragon 6 Gen4; MediaTek Dimensity 7300X
CPU: 4x Cortex A78 a 2.3 GHz + 4x Cortex A55 a 1.8 GHz; 4xCortex A78 2.5GHz + 4xCortex A55 2.0GHz
CPU type: Octa-Core; Octa-Core
Process: 4 nm; 4 nm
Frequency: 2.3 GHz; 2.5 GHz
GPU: Adreno GPU; Arm Mali-G615 MC2
RAM: 8 GB; 16 GB
RAM type: LPDDR4X RAM; RAM LPDDR5
64-bit: Yes; Yes

Resolution: 50 Mpx; 50 Mpx
Aperture: ƒ/ 1.85; ƒ/ 1.95
Sensor: Omnivision OV50D40 Light Hunter 400; Omnivision OV50H
Pixel size: 0.61 µm; 1.20 µm
Sensor size: 1/2.88"; 1/1.28"
Flash: LED; Dual LED
Optical stabilization: No; No
Slow motion: No, 30 fps; Yes, 120 fps
Features: Flicker sensor, 4K Video, Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; 4K Video, Digital zoom, Optical zoom, Triple camera, 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, Night Mode

Dimensions: 76.1 mm 163.2 mm 8.4 mm Print 3D Model; 85.5 mm 185.5 mm 34.0 mm Print 3D Model
Weight: 208 g; 776 g
Materials: Plastic; Rugged Smartphone, Corning Gorilla Glass 5
Colors: Black Violet; Black
Water/dust resistance: IP65 , IP69; IP68, IP69 , MIL-STD-810H
Usable surface: 87 %; 75 %
Drop resistance: —; Class A B C D E 270 drops without defects
Repairability: —; Class A B C D E

Operating system: Android 16 ColorOS 16 (Android 16); Android 14 Upside-down cake Android 14
Google services: Without 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 5.2 LELow energy consumption; Bluetooth 5.4 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), HID (Human Interface Profile), LE (Low Energy); 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, WiFi 6 (802.11ax) , WiFi 6E
Wi-Fi features: Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display; 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: GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo; GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, NavIC System

5G: n1 (2100), n5 (850), n8 (900), n28b (700), n40 (2300), n41 (2500), n77 (3700), n78 (3500); n1 (2100), n2 (1900 PCS), n3 (1800), n7 (2600), n8 (900), n20 (800), n25 (1900), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n66 (1700), n71 (600), n77 (3700), n78 (3500), n79 (4700)
4G LTE: B1 (2100), B3 (1800), B5 (850), B8 (900), B28b (700), 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), B13 (700), B17 (700), B18 (800), B19 (800), B20 (800), B25 (1900+), B26 (850), B28b (700), B28a (700), B32 (1500), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100), B71 (600)
3G: B1 (2100), B8 (900); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
2G: B3 (1800), B8 (900); CDMA BC0 (800), CDMA BC1 (1900), CDMA BC10 (800 Secondary), B2 (1900), B3 (1800), B5 (850), B8 (900)