Product
Samsung Galaxy Note9
Samsung Galaxy Note9
Xiaomi Redmi K80 Ultra
Xiaomi Redmi K80 Ultra
Battery
Charging 15W wired Wireless (Qi) (market dependent) 100W wired, PD3.0 Bypass charging
Type Li-Ion 4000 mAh, non-removable Si/C Li-Ion 7410 mAh
Body
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame Glass front, aluminum frame
Dimensions 161.9 x 76.4 x 8.8 mm (6.37 x 3.01 x 0.35 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 201 g (7.09 oz) 219 g (7.72 oz)
  IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus (Bluetooth integration) IP68 dust tight and water resistant (immersible up to 2m for 30 min)
Comms
Bluetooth 5.0, A2DP, LE, aptX 5.4, A2DP, LE, LHDC 5
Infrared port - Yes
NFC Yes Yes
Positioning GPS, GLONASS, BDS, GALILEO GPS (L1+L5), BDS (B1I+B1C+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC, GLONASS
Radio No Unspecified
USB USB Type-C 3.1 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 5 Scratch/drop-resistant glass
Resolution 1440 x 2960 pixels, 18.5:9 ratio (~516 ppi density) 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
Size 6.4 inches, 103.2 cm2 (~83.4% screen-to-body ratio) 6.83 inches, 114.5 cm2 (~90.2% screen-to-body ratio)
Type Super AMOLED, HDR10 OLED, 68B colors, 144Hz, Dolby Vision, HDR10+, HDR Vivid, 1800 nits (HBM), 3200 nits (peak)
Features
Sensors Iris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2 Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
  Samsung DeX (desktop experience support) ANT+ Bixby natural language commands and dictation Samsung Pay (Visa, MasterCard certified) -
Launch
Announced 2018, August 09. Released 2018, August 24 2025, June 26
Status Discontinued Available. Released 2025, June 26
Main Camera
Dual 12 MP, f/1.5-2.4, 26mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS 12 MP, f/2.4, 52mm (telephoto), 1/3.4", 1.0µm, AF, OIS, 2x optical zoom 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, auto-HDR, panorama Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama
Video 4K@60fps (no OIS/EIS), 4K@30fps, 1080p@30/60/240fps, 720p@960fps, HDR, stereo sound rec., gyro-EIS & OIS 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
Memory
Card slot microSDXC (uses shared SIM slot) No
Internal 128GB 6GB RAM, 128GB 8GB RAM, 512GB 8GB RAM 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
  UFS 2.1 UFS 4.1
Misc
Colors Metallic Copper, Lavender Purple, Ocean Blue, Midnight Black, Pure White, Alpine White Gray, White, Blue, Green
Models SM-N960F, SM-N9600, SM-N960F, SM-N960U, SM-N960U1, SM-N960N, SM-N960W, SM-N960X, SCV40 -
SAR 1.29 W/kg (head)     1.03 W/kg (body)     -
SAR EU 0.38 W/kg (head)     1.51 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 800 / 850 / 900 / 1700(AWS) / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66, 71 - Global 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 (5CA) Cat18 1200/200 Mbps HSPA, LTE, 5G
Technology GSM / CDMA / HSPA / EVDO / LTE GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
  1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 66, 71 - USA CDMA2000 1x
Our Tests
Audio quality Noise -93.7dB / Crosstalk -94.1dB -
Battery (old) Endurance rating 97h -
Camera Photo / Video -
Display Contrast ratio: Infinite (nominal), 4.531 (sunlight) -
Loudspeaker Voice 71dB / Noise 74dB / Ring 80dB -
Performance AnTuTu: 248823 (v7), 315447 (v8) GeekBench: 9026 (v4.4), 2092 (v5.1) GFXBench: 15fps (ES 3.1 onscreen) -
Platform
Chipset Exynos 9810 (10 nm) - EMEAQualcomm SDM845 Snapdragon 845 (10 nm) - USA/LATAM, China Mediatek Dimensity 9400+ (3 nm)
CPU Octa-core (4x2.7 GHz Mongoose M3 & 4x1.8 GHz Cortex-A55) - EMEAOcta-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) - USA/LATAM, China Octa-core (1x3.63 GHz Cortex-X925 & 3x3.3 GHz Cortex-X4 & 4x2.4 GHz Cortex-A720)
GPU Mali-G72 MP18 - EMEAAdreno 630 - USA/LATAM, China Immortalis-G925
OS Android 8.1 (Oreo), upgradable to Android 10, One UI 2.5 Android 15, HyperOS 2
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 - 20 MP, (wide), 1/2.0", 0.8µm
Video 1440p@30fps 1080p@30/60fps
Sound
3.5mm jack Yes No
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
  32-bit/384kHz audio 24-bit/192kHz Hi-Res & Hi-Res Wireless audio