Oppo A40 vs Oppo K13

At a glance

Brand: Oppo; Oppo
Release date: August 2024, 1 year ago; April 2025, 1 year ago
AnTuTu: 253.200 Antutu v10 Overall performance better than 59% of devices; 789.000 Antutu v10 Overall performance better than 80% of devices

Size: 6.67"; 6.67"
Resolution: 720 x 1604 px HD+; 1080 x 2400 px FHD+
Type: LCD IPS; AMOLED E4
Density: 264 ppi Medium Density; 395 ppi High Density
Aspect ratio: 20:9; 20:9
Features: Hole-punch Notch, Refresh rate 90 Hz, Touch sampling rate 180 Hz, Max brightness HBM - 1000 cd/m², TÜV Rheinland Eye Comfort Certification, HDR10, DCI-P3, 2.5D curved glass screen, Panda glass, Capacitive, Multi-touch, Frameless; 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

Chipset: Qualcomm Snapdragon 6s Gen1; Qualcomm Snapdragon 6 Gen4
CPU: 4x1.8 GHz Kryo 660 +4x2.1 GHz Kryo 660; 4x Cortex A78 a 2.3 GHz + 4x Cortex A55 a 1.8 GHz
CPU type: Octa-Core; Octa-Core
Process: 11 nm; 4 nm
Frequency: 2.1 GHz; 2.3 GHz
GPU: Adreno 610 GPU; Adreno GPU
RAM: 4 GB; 8 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 50 Mpx; 50 Mpx
Aperture: ƒ/ 1.8; ƒ/ 1.85
Pixel size: 0.80 µm; 0.61 µm
Flash: Quad LED; LED
Optical stabilization: Yes; No
Slow motion: Yes, 120 fps; No, 30 fps
Features: Flicker sensor, 4K Video, Digital zoom, Dual camera, Digital image stabilization, Optical Stabilization (OIS), Autofocus, Touch focus, Contrast detection autofocus (CDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; 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
Sensor: —; Omnivision OV50D40 Light Hunter 400
Sensor size: —; 1/2.88"

Capacity: 256 GB; 128 GB
Type: eMMC 5.1 Storage; UFS Storage 3.1
SD slot: Yes , Slot for SD or second SIM card; Yes , Slot for SD or second SIM card

Dimensions: 76.1 mm 165.8 mm 7.7 mm Print 3D Model; 76.1 mm 163.2 mm 8.4 mm Print 3D Model
Weight: 186 g; 208 g
Materials: Plastic; Plastic
Colors: Purple Lilac; Black Violet
Water/dust resistance: IP54 , MIL-STD-810H; IP65 , IP69
Usable surface: 85 %; 87 %

Operating system: Android 14 Upside-down cake Funtouch OS 14 (Android 14); Android 16 ColorOS 16 (Android 16)
Updates: OS updates: 1 years, Security updates: 3 years; —
Google services: With Google Mobile Services; Without Google Mobile services

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.0 LELow energy consumption; Bluetooth 5.2 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), APT-x, LDAC, SBC, AAC; A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), HID (Human Interface 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)
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, BeiDou (B1); GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo

4G LTE: 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), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100); B1 (2100), B3 (1800), B5 (850), B8 (900), B28b (700), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800); B1 (2100), B8 (900)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); B3 (1800), B8 (900)
5G: —; n1 (2100), n5 (850), n8 (900), n28b (700), n40 (2300), n41 (2500), n77 (3700), n78 (3500)

Fingerprint: Yes, on the side; Yes, on the side
Accelerometer: Yes; Yes
Gyroscope: Yes; Yes
Proximity: Yes; Yes
Light sensor: Yes; Yes
Cooling system: Yes; No
Audio: Hi-Res Audio, Stereo Speakers; Hi-Res Audio, Stereo Speakers, 2 microphones