Product
Samsung Galaxy A7 (2017)
Samsung Galaxy A7 (2017)
Xiaomi Redmi K80 Ultra
Xiaomi Redmi K80 Ultra
Battery
Charging 18W wired 100W wired, PD3.0 Bypass charging
Music play Up to 59 h -
Talk time Up to 23 h (3G) -
Type Li-Ion 3600 mAh, non-removable Si/C Li-Ion 7410 mAh
Body
Build Glass front (Gorilla Glass 4), glass back, aluminum frame Glass front, aluminum frame
Dimensions 156.8 x 77.6 x 7.9 mm (6.17 x 3.06 x 0.31 in) 163.1 x 77.9 x 8.2 mm (6.42 x 3.07 x 0.32 in)
SIM Nano-SIMNano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 186 g (6.56 oz) 219 g (7.72 oz)
  IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) IP68 dust tight and water resistant (immersible up to 2m for 30 min)
Comms
Bluetooth 4.2, A2DP, EDR, LE 5.4, A2DP, LE, LHDC 5
Infrared port - Yes
NFC Yes Yes
Positioning GPS, GLONASS, BDS GPS (L1+L5), BDS (B1I+B1C+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC, GLONASS
Radio FM radio Unspecified
USB USB Type-C 2.0 USB Type-C
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 4 Scratch/drop-resistant glass
Resolution 1080 x 1920 pixels, 16:9 ratio (~386 ppi density) 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
Size 5.7 inches, 89.6 cm2 (~73.6% screen-to-body ratio) 6.83 inches, 114.5 cm2 (~90.2% screen-to-body ratio)
Type Super AMOLED OLED, 68B colors, 144Hz, Dolby Vision, HDR10+, HDR Vivid, 1800 nits (HBM), 3200 nits (peak)
Features
Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
  ANT+Samsung Pay -
Launch
Announced 2017, January. Released 2017, January 2025, June 26
Status Discontinued Available. Released 2025, June 26
Main Camera
Dual - 50 MP, f/1.9, 23mm (wide), 1/1.55", 1.0µm, PDAF, OIS 8 MP, 119˚ (ultrawide), 1/4.0", 1.12µm
Features LED flash, panorama, HDR Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama
Single 16 MP, f/1.9, 27mm (wide), AF -
Video 1080p@30fps 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
Memory
Card slot microSDXC (dedicated slot) No
Internal 32GB 3GB RAM 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
  eMMC 5.1 UFS 4.1
Misc
Colors Black Sky, Gold Sand, Blue Mist and Peach Cloud Gray, White, Blue, Green
Models SM-A720F, SM-A720S -
SAR 1.00 W/kg (head)     0.71 W/kg (body)     -
SAR EU 0.21 W/kg (head)     1.33 W/kg (body)     -
Network
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 800 / 850 / 900 / 1700(AWS) / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 17, 20, 28, 38, 40, 41 1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bands - 1, 3, 5, 7, 8, 26, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
  - CDMA2000 1x
Our Tests
Audio quality Noise-91.9dB / Crosstalk -90.3dB -
Battery (old) Endurance rating 115h -
Camera Photo / Video -
Display Contrast ratio: Infinite (nominal), 4.124(sunlight) -
Loudspeaker Voice 66dB / Noise 66dB / Ring 81dB -
Performance GFXBench: 5.2fps (ES 3.1 onscreen) -
Platform
Chipset Exynos 7880 (14 nm) Mediatek Dimensity 9400+ (3 nm)
CPU Octa-core 1.9 GHz Cortex-A53 Octa-core (1x3.63 GHz Cortex-X925 & 3x3.3 GHz Cortex-X4 & 4x2.4 GHz Cortex-A720)
GPU Mali-T830MP3 Immortalis-G925
OS Android 6.0.1 (Marshmallow), upgradable to Android 8.0 (Oreo) Android 15, HyperOS 2
Selfie camera
Features - HDR
Single 16 MP, f/1.9, 26mm (wide), 1/3.06", 1.0µm 20 MP, (wide), 1/2.0", 0.8µm
Video 1080p@30fps 1080p@30/60fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers
  - 24-bit/192kHz Hi-Res & Hi-Res Wireless audio