Xiaomi Redmi K40 Pro+ vs Redmi K40S: The Ultimate Showdown
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🏆 Quick Verdict
The Redmi K40 Pro+ boasts the superior Snapdragon 888 for raw power, while the K40S shines with its faster 67W charging and slightly more efficient Snapdragon 870. Ultimately, the K40 Pro+ is for performance enthusiasts, while the K40S offers a more balanced and convenient experience.
| PHONES | ||
|---|---|---|
| Phone Names | Xiaomi Redmi K40 Pro+ | Xiaomi Redmi K40S |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | 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, 7, 8, 12, 17, 18, 19, 20, 26, 28, 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, 28, 41, 77, 78 SA/NSA/Sub6 | 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA |
| Speed | HSPA, LTE-A, 5G | HSPA, LTE, 5G |
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| CDMA2000 1x | CDMA2000 1x | |
| Launch | ||
|---|---|---|
| Announced | 2021, February 25 | 2022, March 17 |
| Status | Available. Released 2021, March 04 | Available. Released 2022, March 17 |
| Body | ||
|---|---|---|
| Build | - | Glass front (Gorilla Glass 5), plastic back |
| Dimensions | 163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) | 163.2 x 76 x 7.7 mm (6.43 x 2.99 x 0.30 in) |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | Nano-SIM + Nano-SIM |
| Weight | 196 g (6.91 oz) | 195 g (6.88 oz) |
| IP53, dust and splash resistant | Splash resistant | |
| Display | ||
|---|---|---|
| Protection | Corning Gorilla Glass 5 | Corning Gorilla Glass 5 |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) |
| Size | 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio) | 6.67 inches, 107.4 cm2 (~86.6% screen-to-body ratio) |
| Type | Super AMOLED, 120Hz, HDR10+, 1300 nits (peak) | AMOLED, 120Hz, HDR10+, 1300 nits (peak) |
| Platform | ||
|---|---|---|
| CPU | Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) | Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) |
| Chipset | Qualcomm SM8350 Snapdragon 888 5G (5 nm) | Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) |
| GPU | Adreno 660 | Adreno 650 |
| OS | Android 11, MIUI 12 | Android 12, MIUI 13 |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 256GB 12GB RAM | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM |
| UFS 3.1 | UFS 3.1 | |
| Main Camera | ||
|---|---|---|
| Features | LED flash, HDR, panorama | Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama |
| Single | 20 MP, f/2.5, (wide), 1/3.4", 0.8µm | 20 MP, (wide) |
| Triple | 108 MP, f/1.8, 26mm (wide), 1/1.52", 0.7µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide) 5 MP, f/2.4, 50mm (macro), 1/5.0", 1.12µm | 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF, OIS 8 MP, 119˚ (ultrawide) 2 MP (macro) |
| Video | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+ | 4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS |
| Selfie camera | ||
|---|---|---|
| Features | HDR | - |
| Single | 20 MP, f/2.5, (wide), 1/3.4", 0.8µm | 20 MP, (wide) |
| Video | 1080p@30fps, 720p@120fps | 1080p@30/120fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | No | No |
| 35mm jack | - | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
| 24-bit/192kHz audio | 24-bit/192kHz audio | |
| Comms | ||
|---|---|---|
| Bluetooth | 5.2, A2DP, LE | 5.2, A2DP, LE |
| Infrared port | Yes | - |
| NFC | Yes | Yes |
| Positioning | GPS (L1+L5), GLONASS (G1), 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/6e, 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, color spectrum, barometer | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Battery | ||
|---|---|---|
| Charging | 33W wired, PD3.0, QC3, 100% in 52 min (advertised) | 67W wired, PD3.0, QC3, 100% in 38 min |
| Type | Li-Po 4520 mAh, non-removable | Li-Po 4500 mAh |
| Misc | ||
|---|---|---|
| Colors | Black, White, Aurora | Black, Gray, Blue, Green |
| Price | About 470 EUR | About 260 EUR |
Xiaomi Redmi K40 Pro+
- Superior Performance (Snapdragon 888)
- Higher Resolution Main Camera (typically 108MP)
- Potentially better color accuracy on display
- Slower Charging (33W)
- Potential for thermal throttling
- Can be more expensive
Xiaomi Redmi K40S
- Faster Charging (67W)
- More Efficient Performance (Snapdragon 870)
- Generally better thermal management
- Often more affordable
- Slightly less powerful than the 888
- Lower resolution main camera (typically 48MP)
Display Comparison
Both phones feature a vibrant 6.67-inch AMOLED display with a 120Hz refresh rate, offering smooth scrolling and immersive visuals. The Pro+ might have slightly better color accuracy due to its potentially higher peak brightness, but the difference is minimal in everyday use. Resolution is FHD+ on both.
Camera Comparison
The K40 Pro+ typically features a 108MP main sensor, offering greater detail and flexibility in photography. The K40S usually has a 48MP main sensor. Both phones offer ultrawide and macro lenses, but the Pro+ generally delivers superior image quality, particularly in low light, thanks to its larger sensor and potentially better image processing.
Performance
The K40 Pro+’s Snapdragon 888 provides a noticeable performance edge, especially in demanding games and multitasking. However, the 888 is known to run hotter, potentially leading to thermal throttling under sustained load. The K40S’s Snapdragon 870 offers excellent performance with better efficiency and less thermal management issues.
Battery Life
The K40S takes a clear lead in the battery department with its 67W fast charging, allowing for significantly quicker top-ups. The K40 Pro+'s 33W charging is still respectable, but noticeably slower. Battery capacity is similar on both, around 4500mAh.
Buying Guide
Who should buy the Xiaomi Redmi K40 Pro+? Gamers and power users who demand the absolute best performance. Who should buy the Xiaomi Redmi K40S? Users prioritizing fast charging, efficient performance, and a slightly more streamlined experience without sacrificing too much power.