Product
Xiaomi Redmi K40 Pro+
Xiaomi Redmi K40 Pro+
Samsung Galaxy F56
Samsung Galaxy F56
Battery
Charging 33W wired, PD3.0, QC3, 100% in 52 min 45W wired
Type Li-Po 4520 mAh 5000 mAh
Body
Build - Glass front (Gorilla Glass Victus+), plastic frame, glass back (Gorilla Glass Victus+)
Dimensions 163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) 162 x 77.3 x 7.2 mm (6.38 x 3.04 x 0.28 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 196 g (6.91 oz) 180 g (6.35 oz)
  IP53 dust protected and water resistant (vertical water sprays) -
Comms
Bluetooth 5.2, A2DP, LE 5.3, A2DP, LE
Infrared port Yes -
NFC Yes No
Positioning GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) GPS, GALILEO, GLONASS, BDS, QZSS
Radio No No
USB USB Type-C 2.0, OTG USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 5 Corning Gorilla Glass Victus+
Resolution 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~382 ppi density)
Size 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio) 6.74 inches, 111.5 cm2 (~89.0% screen-to-body ratio)
Type Super AMOLED, 120Hz, HDR10+, 1300 nits (peak) Super AMOLED+, 120Hz
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2021, February 25 2025, May 07
Status Available. Released 2021, March 04 Available. Released 2025, May 14
Main Camera
Features Color spectrum sensor, LED flash, HDR, panorama LED flash, panorama, HDR
Triple 108 MP, f/1.8, 26mm (wide), 1/1.52", 0.7µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide) 5 MP, f/2.4, 50mm (macro), 1/5.0", 1.12µm 50 MP, f/1.8, (wide), PDAF, OIS 8 MP, f/2.2, (ultrawide) 2 MP, f/2.4, (macro)
Video 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+ 4K@30fps, 1080p@30/60fps, gyro-EIS, OIS, 10-bit HDR
Memory
Card slot No No
Internal 256GB 12GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  UFS 3.1 UFS 3.1
Misc
Colors Black, White, Aurora Green, Violet
Models - SM-E566B, SM-E566B/DS
SAR - 0.71 W/kg (head)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
5G bands 1, 3, 28, 41, 77, 78 SA/NSA/Sub6 1, 3, 5, 8, 28, 40, 41, 78 SA/NSA/Sub6
Speed HSPA, LTE, 5G HSPA, LTE, 5G
Technology GSM / CDMA / HSPA / CDMA2000 / LTE / 5G GSM / HSPA / LTE / 5G
  CDMA2000 1x -
Platform
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Exynos 1480 (4 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) Octa-core (4x2.75 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Adreno 660 Xclipse 530
OS Android 11, MIUI 12 Android 15, up to 6 major Android upgrades, One UI 7
Selfie camera
Features HDR HDR
Single 20 MP, f/2.5, (wide), 1/3.4", 0.8µm 12 MP, f/2.2, (wide)
Video 1080p@30fps, 720p@120fps Yes
Sound
3.5mm jack No No
Loudspeaker Yes, with stereo speakers Yes
  24-bit/192kHz Hi-Res audio -