Xiaomi Redmi K40S vs Redmi K50: A Detailed Comparison
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🏆 Quick Verdict
The Redmi K50 edges out the K40S thanks to its newer Dimensity 8100 chipset offering slightly better performance and efficiency. While the K40S boasts a Snapdragon 870, the K50's improvements in battery and overall experience make it the preferred choice for most users.
| PHONES | ||
|---|---|---|
| Phone Names | Xiaomi Redmi K40S | Xiaomi Redmi K50 |
| 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, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42 | 1, 2, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42 |
| 5G bands | 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA | 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| CDMA2000 1x | CDMA2000 1x | |
| Launch | ||
|---|---|---|
| Announced | 2022, March 17 | 2022, March 17 |
| Status | Available. Released 2022, March 17 | Available. Released 2022, March 22 |
| Body | ||
|---|---|---|
| Build | Glass front (Gorilla Glass 5), plastic back | Glass front (Gorilla Glass Victus), glass back |
| Dimensions | 163.2 x 76 x 7.7 mm (6.43 x 2.99 x 0.30 in) | 163.1 x 76.2 x 8.5 mm (6.42 x 3.00 x 0.33 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 195 g (6.88 oz) | 201 g (7.09 oz) |
| Splash resistant | IP53, dust and splash resistant | |
| Display | ||
|---|---|---|
| Protection | Corning Gorilla Glass 5 | Corning Gorilla Glass Victus |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) | 1440 x 3200 pixels, 20:9 ratio (~526 ppi density) |
| Size | 6.67 inches, 107.4 cm2 (~86.6% screen-to-body ratio) | 6.67 inches, 107.4 cm2 (~86.4% screen-to-body ratio) |
| Type | AMOLED, 120Hz, HDR10+, 1300 nits (peak) | OLED, 120Hz, Dolby Vision, HDR10+, 1200 nits (peak) |
| Platform | ||
|---|---|---|
| CPU | Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) | Octa-core (4x2.85 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) |
| Chipset | Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) | Mediatek Dimensity 8100 (5 nm) |
| GPU | Adreno 650 | Mali-G610 |
| OS | Android 12, MIUI 13 | Android 12, MIUI 13 |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM | 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM |
| UFS 3.1 | UFS 3.1 | |
| Main Camera | ||
|---|---|---|
| Features | Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama | Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama |
| Single | 20 MP, (wide) | 20 MP, (wide) |
| Triple | 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF, OIS 8 MP, 119˚ (ultrawide) 2 MP (macro) | 48 MP, (wide), 1/2.0", 0.8µm, PDAF, OIS 8 MP, 119˚ (ultrawide) 2 MP (macro) |
| Video | 4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS | 4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS |
| Selfie camera | ||
|---|---|---|
| Single | 20 MP, (wide) | 20 MP, (wide) |
| Video | 1080p@30/120fps | 1080p@30/120fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | No | No |
| 35mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
| 24-bit/192kHz audio | 24-bit/192kHz audio | |
| Comms | ||
|---|---|---|
| Bluetooth | 5.2, A2DP, LE | 5.3, A2DP, LE |
| Infrared port | - | Yes |
| NFC | Yes | Yes |
| Positioning | GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) | GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| Radio | No | No |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0, OTG |
| 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/6, dual-band, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Battery | ||
|---|---|---|
| Charging | 67W wired, PD3.0, QC3, 100% in 38 min | 67W wired, PD3.0, QC3, 80% in 30 min |
| Type | Li-Po 4500 mAh | Li-Po 5500 mAh |
| Misc | ||
|---|---|---|
| Colors | Black, Gray, Blue, Green | Black, Gray, Blue, Green |
| Models | - | 22041211AC |
| Price | About 260 EUR | About 480 EUR |
Xiaomi Redmi K40S
- Excellent performance for the price
- Fast 67W charging
- Mature MIUI software
- Good display
- Slightly older chipset
- Battery life could be better
- Macro camera is often underwhelming
Xiaomi Redmi K50
- Improved performance and efficiency
- Better battery life
- Slightly better camera
- Modern design
- Software might have more bugs initially
- Price is slightly higher
Display Comparison
Both phones feature a 6.67-inch AMOLED display with a 120Hz refresh rate, offering vibrant colors and smooth scrolling. The K50 might have a slightly improved panel with better brightness, but the difference is minimal. Both offer excellent viewing experiences.
Camera Comparison
The K40S typically features a 48MP main camera, 8MP ultrawide, and 5MP macro. The K50 often has a 50MP main sensor, 8MP ultrawide, and a 2MP macro. While both offer decent image quality, the K50's larger sensor and potential software optimizations often result in slightly better low-light performance and dynamic range. Video recording capabilities are comparable.
Performance
The Redmi K50's Dimensity 8100 generally outperforms the K40S's Snapdragon 870 in sustained workloads and efficiency. While the 870 is still a capable chip, the 8100's newer architecture and 5nm process provide a noticeable advantage in demanding tasks and gaming. The K50 also benefits from improved thermal management.
Battery Life
The Redmi K50 generally offers better battery life than the K40S, thanks to the more efficient Dimensity 8100 chipset. While both support 67W fast charging, the K50 charges slightly faster (80% in 30 minutes vs 38 minutes for the K40S). This translates to quicker top-ups and potentially longer usage times.
Buying Guide
The Redmi K40S is ideal for gamers and power users on a budget who prioritize raw processing power and a slightly more mature software experience. The Redmi K50 is a better choice for those seeking a more modern design, improved battery life, and a smoother overall experience, even if it means a slight trade-off in peak gaming performance.