Product
Xiaomi Redmi K40 Pro+
Xiaomi Redmi K40 Pro+
Samsung Galaxy S24 FE
Samsung Galaxy S24 FE
Battery
Charging 33W wired, PD3.0, QC3, 100% in 52 min 25W wired, PD, QC2, 50% in 30 min15W wirelessReverse wireless
Type Li-Po 4520 mAh 4700 mAh
Body
Build - Glass front (Gorilla Glass Victus+), glass back (Gorilla Glass Victus+), aluminum frame
Dimensions 163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) 162 x 77.3 x 8 mm (6.38 x 3.04 x 0.31 in)
SIM Nano-SIM + Nano-SIM Nano-SIMNano-SIM + Nano-SIMNano-SIM + eSIMeSIM + eSIM
Weight 196 g (6.91 oz) 213 g (7.51 oz)
  IP53 dust protected and water resistant (vertical water sprays) IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Comms
Bluetooth 5.2, A2DP, LE 5.3, A2DP, LE
Infrared port Yes -
NFC Yes Yes
Positioning GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) GPS, GLONASS, GALILEO, BDS
Radio No Unspecified
USB USB Type-C 2.0, OTG USB Type-C 3.2, 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/6e, dual-band or tri-band (market/region dependent), 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 (~385 ppi density)
Size 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio) 6.7 inches, 110.2 cm2 (~88.0% screen-to-body ratio)
Type Super AMOLED, 120Hz, HDR10+, 1300 nits (peak) Dynamic AMOLED 2X, 120Hz, HDR10+, 1900 nits (peak)
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer Fingerprint (under display, optical), accelerometer, gyro, compass
  - Virtual proximity sensingSamsung DeXCircle to Search
Launch
Announced 2021, February 25 2024, September 26
Status Available. Released 2021, March 04 Available. Released 2024, October 03
Main Camera
Features Color spectrum sensor, LED flash, HDR, panorama LED flash, HDR, panorama
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, 24mm (wide), 1/1.57", 1.0µm, dual pixel PDAF, OIS8 MP, f/2.4, 75mm (telephoto), 1/4.4", 1.0µm, PDAF, OIS, 3x optical zoom12 MP, f/2.2, 13mm, 123˚ (ultrawide), 1/3.0", 1.12µm
Video 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+ 8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps
Memory
Card slot No No
Internal 256GB 12GB RAM 128GB 8GB RAM, 256GB 8GB RAM, 512GB 8GB RAM
  UFS 3.1 -
Misc
Colors Black, White, Aurora Blue, Graphite, Gray, Mint, Yellow
Models - SM-S721B, SM-S721B/DS, SM-S721U1, SM-S721U, SM-S721W, SM-S7210, SM-S721N
SAR - 0.94 W/kg (head)     0.71 W/kg (body)    
SAR EU - 0.86 W/kg (head)     1.29 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, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 32, 38, 40, 41, 66 - International
5G bands 1, 3, 28, 41, 77, 78 SA/NSA/Sub6 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International
Speed HSPA, LTE, 5G HSPA, LTE (CA), 5G
Technology GSM / CDMA / HSPA / CDMA2000 / LTE / 5G GSM / HSPA / LTE / 5G
  CDMA2000 1x -
Platform
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Exynos 2400e (4 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) 10-core (1x3.1 GHz + 2x2.9 GHz + 3x2.6 GHz + 4x1.95 GHz)
GPU Adreno 660 Xclipse 940
OS Android 11, MIUI 12 Android 14, up to 7 major Android upgrades, One UI 6.1
Selfie camera
Features HDR -
Single 20 MP, f/2.5, (wide), 1/3.4", 0.8µm 10 MP, f/2.4, 26mm (wide), 1/3.0", 1.22µm
Video 1080p@30fps, 720p@120fps 4K@30/60fps, 1080p@30/60fps; gyro-EIS
Sound
3.5mm jack No No
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
  24-bit/192kHz Hi-Res audio -
Tests
Battery (new) - Active use score 11:48h
Display - 1372 nits max brightness (measured)
Loudspeaker - -24.6 LUFS (Very good)
Performance - AnTuTu: 1548896 (v10)GeekBench: 6299 (v6)3DMark: 3889 (Wild Life Extreme)