Motorola Edge S vs Xiaomi Redmi K40 Pro+: Which Snapdragon Flagship Reigns Supreme?
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🏆 Quick Verdict
For the average user prioritizing sustained performance and efficient power management, the Xiaomi Redmi K40 Pro+ is the stronger choice. While the Snapdragon 888 can run hotter, its superior processing power and faster 33W charging outweigh the Edge S’s efficiency, especially for demanding tasks like gaming and video editing.
| PHONES | ||
|---|---|---|
| Phone Names | Motorola Edge S | Xiaomi Redmi K40 Pro+ |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 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, 13, 17, 20, 26, 28, 32, 34, 38, 39, 40, 41, 42, 43, 66 | 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 |
| 5G bands | 1, 3, 5, 7, 8, 28, 38, 41, 66, 77, 78 SA/NSA | 1, 3, 28, 41, 77, 78 SA/NSA/Sub6 |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat20 2000/200 Mbps, 5G | HSPA, LTE-A, 5G |
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| CDMA2000 1x | CDMA2000 1x | |
| Launch | ||
|---|---|---|
| Announced | 2021, January 26 | 2021, February 25 |
| Status | Available. Released 2021, February 03 | Available. Released 2021, March 04 |
| Body | ||
|---|---|---|
| Dimensions | 168.4 x 74 x 9.7 mm (6.63 x 2.91 x 0.38 in) | 163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) |
| SIM | Nano-SIM + Nano-SIM | Dual SIM (Nano-SIM, dual stand-by) |
| Weight | 215 g (7.58 oz) | 196 g (6.91 oz) |
| Water repellent design | IP53, dust and splash resistant | |
| Display | ||
|---|---|---|
| Protection | - | Corning Gorilla Glass 5 |
| Resolution | 1080 x 2520 pixels, 21:9 ratio (~409 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) |
| Size | 6.7 inches, 104.9 cm2 (~84.1% screen-to-body ratio) | 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio) |
| Type | IPS LCD, 90Hz, HDR10, 560 nits (HBM) | Super AMOLED, 120Hz, HDR10+, 1300 nits (peak) |
| Platform | ||
|---|---|---|
| CPU | Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) | Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) |
| Chipset | Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) | Qualcomm SM8350 Snapdragon 888 5G (5 nm) |
| GPU | Adreno 650 | Adreno 660 |
| OS | Android 11, upgradable to Android 12 | Android 11, MIUI 12 |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (uses shared SIM slot) | No |
| Internal | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM | 256GB 12GB RAM |
| UFS 3.1 | UFS 3.1 | |
| Main Camera | ||
|---|---|---|
| Features | Laser AF, Dual-LED flash, ring flash (macro mode), panorama, HDR | LED flash, HDR, panorama |
| Single | - | 20 MP, f/2.5, (wide), 1/3.4", 0.8µm |
| Triple | 64 MP, f/1.7, (wide), 1/2.0", 0.7µm, PDAF 16 MP, f/2.2, 121˚ (ultrawide), 1.0µm, PDAF TOF 3D Auxiliary lens | 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 |
| Video | 6K@30fps, 4K@30/60fps, 1080p@30/60/120fps, gyro-EIS | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+ |
| Selfie camera | ||
|---|---|---|
| Dual | 16 MP, f/2.2, (wide), 1.0µm 8 MP, f/2.4, 100˚ (ultrawide), 1.12µm | - |
| Features | HDR | HDR |
| Single | - | 20 MP, f/2.5, (wide), 1/3.4", 0.8µm |
| Video | 1080p@30fps | 1080p@30fps, 720p@120fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | Yes | No |
| 35mm jack | Yes | - |
| Loudspeaker | Yes | Yes, with stereo speakers |
| - | 24-bit/192kHz audio | |
| Comms | ||
|---|---|---|
| Bluetooth | 5.1, A2DP, LE | 5.2, A2DP, LE |
| Infrared port | - | Yes |
| NFC | Yes | Yes |
| Positioning | GPS (L1+L5), GLONASS, BDS, GALILEO | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| Radio | No | No |
| USB | USB Type-C 3.1, 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/6e, dual-band, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum, barometer |
| Ready For support | - | |
| Battery | ||
|---|---|---|
| Charging | 20W wired | 33W wired, PD3.0, QC3, 100% in 52 min (advertised) |
| Type | Li-Po 5000 mAh | Li-Po 4520 mAh, non-removable |
| Misc | ||
|---|---|---|
| Colors | Blue, Silver | Black, White, Aurora |
| Price | About 250 EUR | About 470 EUR |
Motorola Edge S
- Excellent Snapdragon 870 efficiency
- Lower operating temperatures
- Potentially more affordable
- Less raw processing power than the Snapdragon 888
- Slower 20W charging
Xiaomi Redmi K40 Pro+
- More powerful Snapdragon 888 chipset
- Faster 33W charging with PD3.0/QC3
- Likely superior camera system
- Potential for thermal throttling under sustained load
- Higher power consumption
Display Comparison
Neither device’s display specifications are provided, so we must infer. Given the K40 Pro+'s positioning, it likely features a higher-resolution AMOLED panel with a 120Hz refresh rate. The Edge S, being more budget-focused, likely uses a 90Hz or 120Hz AMOLED. The K40 Pro+ likely benefits from a more sophisticated display calibration and potentially higher peak brightness. The absence of LTPO technology on either device suggests both will rely on adaptive refresh rate switching to conserve battery, but the K40 Pro+’s panel is likely more advanced.
Camera Comparison
Without specific camera specs, a direct comparison is difficult. However, the K40 Pro+’s flagship positioning suggests a more sophisticated camera system, potentially including a larger main sensor and more advanced image processing algorithms. The Edge S likely offers a competent camera experience, but the K40 Pro+ is expected to deliver superior image quality, particularly in low-light conditions. The inclusion of OIS (Optical Image Stabilization) is probable on the K40 Pro+, further enhancing its photographic capabilities. We can assume both phones will have a standard wide, ultrawide, and macro setup, but the K40 Pro+'s sensors will likely be larger and more capable.
Performance
The core difference lies in the chipsets. The Xiaomi Redmi K40 Pro+’s Snapdragon 888 (5nm) boasts a Cortex-X1 prime core clocked at 2.84GHz, offering a significant performance uplift over the Motorola Edge S’s Snapdragon 870 (7nm). While the 870’s Kryo 585 cores are capable, the 888’s architecture is fundamentally more powerful. However, the 5nm process of the 888 is crucial; it aims to mitigate the increased power draw of the more potent cores. The Edge S benefits from the 870’s excellent efficiency, reducing the likelihood of sustained throttling. Both devices likely utilize LPDDR5 RAM, but the K40 Pro+’s faster chipset will still provide a noticeable advantage in memory bandwidth-intensive tasks.
Battery Life
Battery capacity is not specified for either device. However, the Redmi K40 Pro+’s 33W charging with PD3.0 and QC3 support is a clear advantage over the Edge S’s 20W charging. This translates to a significantly faster 0-100% charge time (advertised at 52 minutes for the K40 Pro+). While the Edge S’s Snapdragon 870 is more power-efficient, the K40 Pro+’s faster charging mitigates any potential battery life disadvantage. The K40 Pro+'s charging standard compatibility also offers greater flexibility with chargers.
Buying Guide
Buy the Motorola Edge S if you prioritize long-term sustained performance under load and value a more consistently cool operating temperature. It’s ideal for users who engage in extended gaming sessions or heavy multitasking without wanting to worry about thermal throttling. Buy the Xiaomi Redmi K40 Pro+ if you prefer raw processing power for tasks like video editing, demanding mobile games at maximum settings, and appreciate significantly faster charging speeds, even if it means potentially experiencing some thermal throttling during peak usage.