Product
Xiaomi Redmi K30 Pro Zoom
Xiaomi Redmi K30 Pro Zoom
Samsung Galaxy S8
Samsung Galaxy S8
Battery
Charging 33W wired, PD, QC4, 100% in 63 min 15W wired, QC2 Wireless (Qi) (market dependent)
Music play - Up to 67 h
Talk time - Up to 20 h (3G)
Type Li-Po 4700 mAh Li-Ion 3000 mAh, non-removable (11.55 Wh)
Body
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions 163.3 x 75.4 x 8.9 mm (6.43 x 2.97 x 0.35 in) 148.9 x 68.1 x 8 mm (5.86 x 2.68 x 0.31 in)
SIM Nano-SIM + Nano-SIM Nano-SIMNano-SIM + Nano-SIM
Weight 218 g (7.69 oz) 155 g (5.47 oz)
  - IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Comms
Bluetooth 5.1, A2DP, LE, aptX HD, aptX Adaptive 5.0, A2DP, LE, aptX
Infrared port Yes -
NFC Yes Yes
Positioning GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5) GPS, GLONASS, BDS, GALILEO
Radio No No
USB USB Type-C 2.0, OTG USB Type-C 3.1
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, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 5 Corning Gorilla Glass 5
Resolution 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) 1440 x 2960 pixels, 18.5:9 ratio (~570 ppi density)
Size 6.67 inches, 107.4 cm2 (~87.2% screen-to-body ratio) 5.8 inches, 84.8 cm2 (~83.6% screen-to-body ratio)
Type Super AMOLED, HDR10+, 500 nits (typ) Super AMOLED, HDR10
  - 3D Touch (home button only)
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, barometer Iris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2
  - Samsung DeX (desktop experience support) ANT+ Bixby natural language commands and dictation Samsung Pay (Visa, MasterCard certified)
Launch
Announced 2020, March 24 2017, March 29. Released 2017, April 24
Status Available. Released 2020, April 04 Discontinued
Main Camera
Features Dual-LED dual-tone flash, HDR, panorama LED flash, auto-HDR, panorama
Quad 64 MP, 26mm (wide), 1/1.72", 0.8µm, PDAF, OIS 8 MP, (telephoto), PDAF, OIS, 3x optical zoom 13 MP, 13mm (ultrawide) 2 MP, (depth) -
Single - 12 MP, f/1.7, 26mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS
Video 8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, 1080p@960fps; gyro-EIS 4K@30fps, 1080p@30/60fps, 720p@240fps, HDR, stereo sound rec., gyro-EIS, OIS
Memory
Card slot No microSDXC (uses shared SIM slot) - dual SIM model only
Internal 128GB 8GB RAM, 256GB 8GB RAM, 512GB 12GB RAM 64GB 4GB RAM
  UFS 3.1 UFS 2.0 or UFS 2.1
Misc
Colors Grey, Purple, White, Blue Midnight Black, Orchid Gray, Arctic Silver, Coral Blue, Maple Gold, Rose Pink, Burgundy Red
Models - SM-G950FD, SM-G950W, SM-G950S, SM-G950K, SM-G950L, SM-G9500, SM-G950A, SM-G950P, SM-G950T, SM-G950U, SM-G950V, SM-G950F, SM-G950U1, SM-G950N, SC-02J, SCV36, SM-G950, G950F
SAR - 0.44 W/kg (head)     0.75 W/kg (body)    
SAR EU - 0.32 W/kg (head)     1.27 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G bands HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 5, 7, 8, 34, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66, 38, 39, 40, 41
5G bands 1, 3, 41, 78, 79 SA/NSA -
Speed HSPA, LTE, 5G HSPA 42.2/5.76 Mbps, LTE (5CA) Cat16 1024/150 Mbps
Technology GSM / CDMA / HSPA / EVDO / LTE / 5G GSM / HSPA / LTE
  CDMA2000 1xEV-DO -
Our Tests
Audio quality - Noise -92.5dB / Crosstalk -92.8dB
Battery (old) - Endurance rating 84h
Camera - Photo / Video
Display - Contrast ratio: Infinite (nominal), 4.768 (sunlight)
Loudspeaker - Voice 66dB / Noise 70dB / Ring 72dB
Performance - AnTuTu: 199022 (v7) GeekBench: 6656 (v4.4) GFXBench: 13fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm SM8250 Snapdragon 865 5G (7 nm+) Exynos 8895 (10 nm) - EMEAQualcomm MSM8998 Snapdragon 835 (10 nm) - USA & China
CPU Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) Octa-core (4x2.3 GHz Mongoose M2 & 4x1.7 GHz Cortex-A53) - EMEAOcta-core (4x2.35 GHz Kryo & 4x1.9 GHz Kryo) - USA & China
GPU Adreno 650 Mali-G71 MP20 - EMEAAdreno 540 - USA & China
OS Android 10, MIUI 11 Android 7.0 (Nougat), upgradable to Android 9.0 (Pie), One UI
Selfie camera
Dual - 8 MP, f/1.7, 25mm (wide), 1/3.6", 1.22µm, AF 2 MP (dedicated iris scanner camera)
Features HDR HDR
Single Motorized pop-up 20 MP, (wide), 1/3.4", 0.8µm -
Video 1080p@30fps 1440p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  24-bit/192kHz Hi-Res audio 32-bit/384kHz audio