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Xiaomi Redmi K40 Pro vs Vivo S1

Side-by-Side Specs Comparison

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Xiaomi Redmi K40 Pro
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Vivo S1
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Xiaomi Redmi K40 Pro Vivo S1
Launch
Release Date
Mar, 2021 Apr, 2019
Status
Available Available
Body & Operating System
Operating system
Android 11 Android 9.0 (Pie)
UI
MIUI 12 Function OS 9
Dimensions
163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) 162 x 76 x 8.5 mm
Weight
196 g 179 g
Body
NA
Color Options
Black, White, Aurora Diamond Black, Skyline Blue, Cosmic Green
Display Specifications
Technology
Super AMOLED IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch
Size
6.67 inches
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6.38 inches
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Resolution
Full HD (FHD) - 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) Full HD (FHD) - 1080 x 2340 Pixels (~395 PPI)
Protection
Corning Gorilla Glass 5 NA
Features
120Hz refresh rate, HDR10+, 1300 nits (peak) NA
Battery & Charging
Capacity
Non-removable Li-Po, 4520 mAh
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(Li-Po Non removable), 4500 mAh
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Charging
Fast charging 33W, 100% in 52 min
Power Delivery 3.0
Quick Charge 3+
Fast battery charging 18W
Processing Power
CPU
Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680) Octa-core (4 x 2.1 GHz Cortex-A73 + 4 x 2.0 GHz Cortex-A53)
Chipset
Qualcomm SM8350 Snapdragon 888 (5 nm) Mediatek Helio P70 (12nm)
GPU
Adreno 660 Mali-G72 MP3
Memory & Storage
Ram
6/8GB RAM 4/6GB RAM
Storage Memory
128/256GB Built-in 128GB Built-in
Memory Card
No microSD Card, (supports up to 256GB)
Cameras
Rear/Back
Triple 64 MP, f/1.9, 26mm (wide), 1/1.7", 0.8µm, PDAF
8 MP, f/2.2, 119° (ultrawide)
5 MP, 50mm (macro), 1/5.0", 1.12µm
Triple 16 MP, f/1.8, (wide), 1/2.8", 1.12µm, PDAF 8 MP, f/2.2, 13mm (ultrawide) 2 MP, f/2.4, depth sensor
Features

LED flash, HDR, panorama
Video 8K@30fps, 4K@30/60fps, 1 80p@30/60/120/240/960fps, gyro-EIS, HDR10+ Show more

Phase detection, Geo-tagging, touch focus, face detection, H R, panorama, Video (2160p@30fps, 1080p@30fps) Show more

Front
20 MP, (wide), 1/3.4", 0.8µm
HDR Video 1080p@30fps, 720p@120fps
32 MP, f/2.0 HDR Video 1080p@30fps
Features
NA NA
Network
SIM
Dual SIM (Nano-SIM, dual stand-by) Hybrid Dual SIM, Dual Standby, (Nano-SIM)
Data
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G GPRS, Edge, 3G (HSPA 42.2/5.76 Mbps), 4G (LTE-A (2CA) Cat7 300/50 Mbps)
2G Bands
SIM 1: GSM 850 / 900 / 1800 / 1900
SIM 2: GSM 850 / 900 / 1800 / 1900
CDMA 800
SIM 1: GSM 850 / 900 / 1800 / 1900
SIM 2: GSM 850 / 900 / 1800 / 1900
3G Bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
CDMA2000 1x
HSDPA 850 / 900 / 1900 / 2100
4G Bands
LTE band 1(2100), 2(1900),... LTE band 1(2100), 2(1900),...
5G Bands
1, 3, 28, 41, 77, 78 SA/NSA NO
Connectivity
WLAN (WIFI)
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
Bluetooth
5.1, A2DP, LE, aptX HD v5.0 with A2DP, LE, EDR, apt-X
GPS
Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC Yes + A-GPS support, & GLONASS
USB
USB Type-C 2.0, USB On-The-Go microUSBv2.0
NFC
Yes Yes
Additional Features
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum Accelerometer, Compass, Fingerprint (rear mounted), Proximity
Extra
Infrared port Active noise cancellation with dedicated mic, Document viewer, Photo/video editor
Pricing
Price
US$ 436 USD $354
Resale Value
High High
Comparison Result
Score
9 Point(s) 2 Point(s)
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