Product
Samsung Galaxy A40
Samsung Galaxy A40
₹26,044
Xiaomi Redmi K80 Ultra
Xiaomi Redmi K80 Ultra
₹31,171
Battery
Charging 15W wired 100W wired, PD3.0 Bypass charging
Type Li-Po 3100 mAh, non-removable Si/C Li-Ion 7410 mAh
Body
Build Glass front (Gorilla Glass 3), plastic back, plastic frame Glass front, aluminum frame
Dimensions 144.4 x 69.2 x 7.9 mm (5.69 x 2.72 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 140 g (4.94 oz) 219 g (7.72 oz)
  - IP68 dust tight and water resistant (immersible up to 2m for 30 min)
Comms
Bluetooth 5.0, A2DP, LE 5.4, A2DP, LE, LHDC 5
Infrared port - Yes
NFC Yes Yes
Positioning GPS, GLONASS, GALILEO, 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 3 Scratch/drop-resistant glass
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~437 ppi density) 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
Size 5.9 inches, 85.5 cm2 (~85.5% 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 (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
  ANT+ -
Launch
Announced 2019, March 19 2025, June 26
Status Available. Released 2019, April Available. Released 2025, June 26
Main Camera
Dual 16 MP, f/1.7, 26mm (wide), PDAF 5 MP, f/2.2, 13mm (ultrawide) 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
Video 1080p@30fps 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
Memory
Card slot microSDXC (dedicated slot) No
Internal 64GB 4GB RAM, 128GB 4GB 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, White, Blue, Coral Gray, White, Blue, Green
Models SM-A405F, SM-A405FN, SM-A405FM, SM-A405S -
SAR EU 0.49 W/kg (head)     1.34 W/kg (body)     -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100 HSDPA 800 / 850 / 900 / 1700(AWS) / 2100
4G bands 1, 3, 5, 7, 8, 20, 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) Cat12 600/150 Mbps HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
  - CDMA2000 1x
Our Tests
Audio quality Noise -91.0dB / Crosstalk -85.9dB -
Battery (old) Endurance rating 73h -
Camera Photo / Video -
Display 548 nits max brightness (measured) -
Loudspeaker Voice 66dB / Noise 68dB / Ring 73dB -
Performance AnTuTu: 106388 (v7) GeekBench: 4112 (v4.4) GFXBench: 4.6fps (ES 3.1 onscreen) -
Platform
Chipset Exynos 7904 (14 nm) Mediatek Dimensity 9400+ (3 nm)
CPU Octa-core (2x1.77 GHz Cortex-A73 & 6x1.59 GHz Cortex-A53) Octa-core (1x3.63 GHz Cortex-X925 & 3x3.3 GHz Cortex-X4 & 4x2.4 GHz Cortex-A720)
GPU Mali-G71 MP2 Immortalis-G925
OS Android 9.0 (Pie), upgradable to Android 11 Android 15, HyperOS 2
Selfie camera
Features - HDR
Single 25 MP, f/2.0, 25mm (wide), 1/2.8", 0.9µm 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
Offers No offers available No offers available