Product
Xiaomi Redmi K40
Xiaomi Redmi K40
Samsung Galaxy M35
Samsung Galaxy M35
Battery
Charging 33W wired, PD3.0, QC3, 100% in 52 min 25W wired
Type Li-Po 4520 mAh 6000 mAh
Body
Build - Glass front (Gorilla Glass Victus+), plastic frame, glass back
Dimensions 163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) 162.3 x 78.6 x 9.1 mm (6.39 x 3.09 x 0.36 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 196 g (6.91 oz) 222 g (7.83 oz)
Comms
Bluetooth 5.1, A2DP, LE 5.3, A2DP, LE
Infrared port Yes -
NFC Yes Yes (market/region dependent)
Positioning GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC GPS, GALILEO, GLONASS, BDS, QZSS
Radio No Unspecified
USB USB Type-C 2.0, OTG USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, 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 (~390 ppi density)
Size 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio) 6.6 inches, 106.9 cm2 (~83.8% screen-to-body ratio)
Type Super AMOLED, 120Hz, HDR10+, 1300 nits (peak) Super AMOLED, 120Hz, 1000 nits (HBM)
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (side-mounted), accelerometer, gyro, compass
  - Virtual proximity sensing
Launch
Announced 2021, February 25 2024, May 24
Status Available. Released 2021, March 04 Available. Released 2024, May 24
Main Camera
Features Color spectrum sensor, LED flash, HDR, panorama LED flash, panorama, HDR
Triple 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, 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), 1/1.96", PDAF, OIS 8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro)
Video 4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS 4K@30fps, 1080p@30/60fps, 720p@480fps, gyro-EIS
Memory
Card slot No microSDXC (uses shared SIM slot)
Internal 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
  UFS 3.1 -
Misc
Colors Black, White, Aurora Dark Blue, Light Blue, Gray
Models M2012K11AC SM-M356B, SM-M356B/DS
SAR - 0.53 W/kg (head)    
SAR EU - 0.31 W/kg (head)     1.30 W/kg (body)    
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, 18, 19, 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, 7, 8, 20, 28, 38, 40, 41, 77, 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 SM8250-AC Snapdragon 870 5G (7 nm) Exynos 1380 (5 nm)
CPU Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) Octa-core (4x2.4 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Adreno 650 Mali-G68 MP5
OS Android 11, MIUI 12 Android 14, One UI 6.1
Selfie camera
Features HDR -
Single 20 MP, f/2.5, (wide), 1/3.4", 0.8µm 13 MP, f/2.2, (wide), 1/3.06", 1.12µm
Video 1080p@30fps, 720p@120fps 4K@30fps, 1080p@30fps
Sound
3.5mm jack No No
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
  24-bit/192kHz Hi-Res audio -