Xiaomi Redmi K40 Pro+ vs vivo X70: Which Flagship Delivers More?
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🏆 Quick Verdict
For the average user prioritizing gaming and sustained performance, the Xiaomi Redmi K40 Pro+ emerges as the winner. Its Snapdragon 888, despite potential thermal concerns, offers a noticeable performance edge. However, the vivo X70 remains a strong contender for those valuing a more refined software experience and a well-rounded camera system.
| PHONES | ||
|---|---|---|
| Phone Names | vivo X70 | 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, 18, 19, 20, 26, 28, 38, 39, 40, 41 - International | 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, 28, 40, 41, 78 SA/NSA - International | 1, 3, 28, 41, 77, 78 SA/NSA/Sub6 |
| Speed | HSPA, LTE, 5G | HSPA, LTE-A, 5G |
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| - | CDMA2000 1x | |
| Launch | ||
|---|---|---|
| Announced | 2021, September 09 | 2021, February 25 |
| Status | Available. Released 2021, September 30 | Available. Released 2021, March 04 |
| Body | ||
|---|---|---|
| Dimensions | 160.1 x 75.4 x 7.6 mm (6.30 x 2.97 x 0.30 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 | 181/182 g (6.42 oz) | 196 g (6.91 oz) |
| - | IP53, dust and splash resistant | |
| Display | ||
|---|---|---|
| Protection | - | Corning Gorilla Glass 5 |
| Resolution | 1080 x 2376 pixels (~398 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) |
| Size | 6.56 inches, 104.6 cm2 (~86.6% screen-to-body ratio) | 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio) |
| Type | AMOLED, 120Hz, HDR10+ | Super AMOLED, 120Hz, HDR10+, 1300 nits (peak) |
| Platform | ||
|---|---|---|
| CPU | Octa-core (1x3.0 GHz Cortex-A78 & 3x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) | Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) |
| Chipset | Mediatek Dimensity 1200 (6 nm) | Qualcomm SM8350 Snapdragon 888 5G (5 nm) |
| GPU | Mali-G77 MC9 | Adreno 660 |
| OS | Android 11, upgradable to Android 14, Funtouch OS 14 (International), OriginOS (China) | Android 11, MIUI 12 |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 128GB 8GB RAM, 128GB 12GB RAM, 256GB 8GB RAM, 256GB 12GB RAM | 256GB 12GB RAM |
| - | UFS 3.1 | |
| Main Camera | ||
|---|---|---|
| Features | Zeiss optics, Zeiss T* lens coating, color spectrum sensor, Pixel Shift, dual-LED dual-tone flash, HDR, panorama | LED flash, HDR, panorama |
| Quad | 40 MP, f/1.9, (wide), 1.0µm, PDAF 12 MP, f/2.0, 50mm (telephoto), 1/2.93", 1.22µm, PDAF, 2x optical zoom 12 MP, f/2.2, 16mm, 116˚ (ultrawide), 1/3.1", 1.12µm | - |
| Single | - | 20 MP, f/2.5, (wide), 1/3.4", 0.8µm |
| 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 |
| Video | 4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR10+ | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+ |
| Selfie camera | ||
|---|---|---|
| Features | HDR | HDR |
| Single | 32 MP, f/2.5, 24mm (wide), 1/2.8", 0.8µm | 20 MP, f/2.5, (wide), 1/3.4", 0.8µm |
| Video | 1080p@30fps | 1080p@30fps, 720p@120fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | No | No |
| 35mm jack | No | - |
| Loudspeaker | Yes | Yes, with stereo speakers |
| - | 24-bit/192kHz audio | |
| Comms | ||
|---|---|---|
| Bluetooth | 5.2, A2DP, LE, aptX HD | 5.2, A2DP, LE |
| Infrared port | - | Yes |
| NFC | Yes | Yes |
| Positioning | GPS (L1+L5), GLONASS, BDS, GALILEO, QZSS, NavIC | GPS (L1+L5), GLONASS (G1), 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/6e, dual-band, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum, barometer |
| Battery | ||
|---|---|---|
| Charging | 44W wired 5W reverse wired | 33W wired, PD3.0, QC3, 100% in 52 min (advertised) |
| Type | 4400 mAh | Li-Po 4520 mAh, non-removable |
| Misc | ||
|---|---|---|
| Colors | Cosmic Black, Aurora Dawn, White | Black, White, Aurora |
| Models | V2133A, V2104 | - |
| Price | About 520 EUR | About 470 EUR |
vivo X70
- Superior raw processing power with Snapdragon 888
- Potentially better gaming performance
- Faster charging (potentially)
- Snapdragon 888 prone to thermal throttling
- MIUI software can be divisive
- Potentially lower battery life
Xiaomi Redmi K40 Pro+
- More power-efficient Dimensity 1200 chipset
- Potentially better battery life
- Vivo's refined camera software and image processing
- Less powerful GPU compared to Snapdragon 888
- Slower charging speed
- Potentially less responsive for demanding tasks
Display Comparison
Neither device boasts a cutting-edge display in 2024, but both are competent. Details on panel type (AMOLED is assumed for both) and refresh rate are missing, but the focus here is on processing power. Display differences are less impactful than the chipset choices. Bezels are likely comparable given the similar design language of both brands at the time of release. Color accuracy is likely well-tuned on both, though vivo historically emphasizes more natural color profiles.
Camera Comparison
Without detailed sensor information, a precise comparison is difficult. However, vivo historically excels in camera technology. The X70 likely features a more sophisticated image processing pipeline, focusing on color science and dynamic range. The K40 Pro+'s camera system is likely more reliant on hardware, potentially offering higher resolution but less refined image quality. The Snapdragon 888's ISP is capable, but vivo's software optimizations often provide a competitive edge in still photography. The absence of information on OIS is a significant gap; its presence on the X70 would be a major advantage.
Performance
The core difference lies in the chipsets. The Xiaomi Redmi K40 Pro+ utilizes the Qualcomm Snapdragon 888 (5nm), featuring a Cortex-X1 prime core clocked at 2.84 GHz. This architecture prioritizes peak performance. Conversely, the vivo X70 employs the MediaTek Dimensity 1200 (6nm), with a Cortex-A78 prime core at 3.0 GHz. While the Dimensity 1200's clock speed is higher, the Snapdragon 888's more advanced architecture and 5nm process generally translate to superior sustained performance and GPU capabilities. The Snapdragon 888 is known to throttle under sustained load, but the K40 Pro+'s cooling solution (details missing) will be crucial. Both phones likely feature LPDDR5 RAM, minimizing memory-related bottlenecks.
Battery Life
The Redmi K40 Pro+ offers 33W wired charging, advertised to reach 100% in 52 minutes. The vivo X70 counters with 44W wired charging, potentially offering a slightly faster charge time. However, the Snapdragon 888's higher power consumption will likely offset this advantage. The Dimensity 1200's 6nm process contributes to better power efficiency, potentially resulting in longer battery life during typical usage. The inclusion of 5W reverse wired charging on the X70 is a minor convenience feature.
Buying Guide
Buy the vivo X70 if you need a phone with a strong emphasis on camera quality, particularly for still photography, and prefer a more polished, user-friendly software experience. Buy the Xiaomi Redmi K40 Pro+ if you prioritize raw processing power for demanding games and applications, and are comfortable with a potentially more aggressive thermal profile and MIUI software.