| Xiaomi Redmi K40 Pro |
Samsung Galaxy S21 Ultra 5G |
| Launch |
| Released |
| Mar, 2021 |
Jan, 2021 |
| Status |
| Available |
Available |
| Body & Operating System |
| Operating system |
| Android 11 |
Android 11 |
| UI |
| MIUI 12 |
One UI 3.1 |
| Dimensions |
| 163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) |
165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in) |
| Weight |
| 196 g |
227 g |
| Body |
| NA |
Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame
IP68 dust/water resistant (up to 1.5m for 30 mins)
IP68 dust/water resistant (up to 1.5m for 30 mins) Stylus support |
| Color Options |
| Black, White, Aurora |
Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown |
| Display Specifications |
| Technology |
| Super AMOLED |
Dynamic AMOLED 2X |
| Size |
| 6.67 inches
|
6.8 inches |
| Resolution |
| 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) |
1440 x 3200 pixels, 20:9 ratio (~515 ppi density) |
| Protection |
| Corning Gorilla Glass 5 |
Corning Gorilla Glass Victus |
| Features |
| 120Hz refresh rate, HDR10+, 1300 nits (peak) |
120Hz refresh rate, HDR10+, 1500 nits (peak)
Always-on display |
| Battery & Charging |
| Capacity |
| Non-removable Li-Po, 4520 mAh
|
Non-removable Li-Ion ,5000 mAh
|
| Charging |
Fast charging 33W, 100% in 52 min
Power Delivery 3.0
Quick Charge 3+ |
Fast charging 25W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Reverse wireless charging 4.5W |
| Processing Power |
| CPU |
| Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680) |
Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - Global
Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680) - USA/China |
| Chipset |
| Qualcomm SM8350 Snapdragon 888 (5 nm) |
Exynos 2100 (5 nm) - Global
Qualcomm SM8350 Snapdragon 888 (5 nm) - USA/China |
| GPU |
| Adreno 660 |
Mali-G78 MP14 - Global
Adreno 660 - USA/China |
| Memory & Storage |
| Ram |
| 6/8GB RAM
|
12/16GB RAM
|
| Storage Memory |
| 128/256GB Built-in |
128/256/512GB Built-in |
| Memory Card |
| No |
No |
| 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
|
Quad 108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS
10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom
10 MP, f/2.4, 70mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom
12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video
|
| Features |
|
LED flash, HDR, panorama
Video 8K@30fps, 4K@30/60fps, 1 80p@30/60/120/240/960fps, gyro-EIS, HDR10+ Show more
|
LED flash, auto-HDR, panorama
Video 8K@24fps, 4K@30/60f s, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS Show more
|
| Front |
20 MP, (wide), 1/3.4", 0.8µm
HDR Video 1080p@30fps, 720p@120fps
|
40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF
Dual video call, Auto-HDR Video 4K@30/60fps, 1080p@30fps
|
| Features |
|
NA
|
NA |
|
|
| Network |
| SIM |
| Dual SIM (Nano-SIM, dual stand-by) |
Single SIM (Nano-SIM and/or eSIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
Samsung Pay (Visa, MasterCard certified |
| Data |
| GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
GSM / CDMA / HSPA / EVDO / LTE / 5G |
| 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 (Dual SIM model only)
CDMA 800 / 1900 & TD-SCDMA
|
| 3G Bands |
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
CDMA2000 1x |
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
CDMA2000 1xEV-DO |
| 4G Bands |
| LTE band 1(2100), 2(1900),... |
LTE band 1(2100), 2(1900),... |
| 5G Bands |
|
1, 3, 28, 41, 77, 78 SA/NSA |
SA/NSA/Sub6/mmWave
|
| 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/6e, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth |
| 5.1, A2DP, LE, aptX HD |
5.2, A2DP, LE |
| GPS |
| Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC |
Yes, with A-GPS, GLONASS, BDS, GALILEO |
| USB |
| USB Type-C 2.0, USB On-The-Go |
USB Type-C 3.2, USB On-The-Go |
| NFC |
| Yes |
Yes |
| Additional Features |
| Sensors |
| Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum |
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Samsung DeX, Samsung Wireless DeX (desktop experience support)
ANT+
Bixby natural language commands and dictation
Samsung Pay (Visa, MasterCard certified)
Ultra Wideband (UWB) support |
| Extra |
| Infrared port |
FM radio (Snapdragon model only) |
| Pricing |
| Price |
|
USD $436
|
USD $1,342
|
| Resale Value |
| High |
Very High |
| Comparison Result |
| Score |
| 3 Point(s) |
7 Point(s) |
|
Save Comparison
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Xiaomi Redmi K40 Pro
Samsung Galaxy S21 Ultra 5G