vivo S12 Pro vs Xiaomi Redmi K40 Pro: A Head-to-Head Showdown
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🏆 Quick Verdict
The Redmi K40 Pro takes the crown for overall performance thanks to its Snapdragon 888 chipset. However, the vivo S12 Pro shines with its superior selfie camera and stylish design. If you prioritize speed, choose the K40 Pro; if selfies are your focus, the S12 Pro is a strong contender.
| PHONES | ||
|---|---|---|
| Phone Names | vivo S12 Pro | Xiaomi Redmi K40 Pro |
| 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, 7, 8, 28, 34, 38, 39, 40, 41 | 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, 8, 28, 41, 77, 78 SA/NSA | 1, 3, 28, 41, 77, 78 SA/NSA/Sub6 |
| 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 | 2021, December 22 | 2021, February 25 |
| Status | Available. Released 2021, December 30 | Available. Released 2021, March 04 |
| Body | ||
|---|---|---|
| Dimensions | 159.5 x 73.3 x 7.4 mm (6.28 x 2.89 x 0.29 in) | 163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 171 g (6.03 oz) | 196 g (6.91 oz) |
| - | IP53, dust and splash resistant | |
| Display | ||
|---|---|---|
| Protection | - | Corning Gorilla Glass 5 |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~401 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) |
| Size | 6.56 inches, 103.9 cm2 (~88.9% screen-to-body ratio) | 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio) |
| Type | AMOLED, 90Hz, HDR10+, 1300 nits (peak) | 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, OriginOS Ocean | Android 11, MIUI 12 |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM |
| UFS 3.1 | UFS 3.1 | |
| Main Camera | ||
|---|---|---|
| Dual | 50 MP, f/2.0, (wide), AF 8 MP, f/2.3, 105˚ (ultrawide) | - |
| Features | Dual-LED flash, HDR, panorama | Color spectrum sensor, LED flash, HDR, panorama |
| Single | - | 20 MP, f/2.5, (wide), 1/3.4", 0.8µm |
| Triple | 108 MP, f/1.9, 26mm (wide), 1/1.52", PDAF 8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0", 1.12µm 2 MP (macro) | 64 MP, f/1.9, 26mm (wide), 1/1.7", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide) 5 MP, f/2.4, 50mm (macro) |
| Video | 4K@30fps, 1080p@30fps, gyro-EIS | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+ |
| Selfie camera | ||
|---|---|---|
| Dual | 50 MP, f/2.0, (wide), AF 8 MP, f/2.3, 105˚ (ultrawide) | - |
| Features | Dual-LED flash, HDR | HDR |
| Single | - | 20 MP, f/2.5, (wide), 1/3.4", 0.8µm |
| Video | 4K@30fps, 1080p@30fps | 1080p@30fps, 720p@120fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | No | No |
| 35mm jack | No | No |
| Loudspeaker | Yes | Yes, with stereo speakers |
| 24-bit/192kHz audio | 24-bit/192kHz audio | |
| Comms | ||
|---|---|---|
| Bluetooth | 5.2, A2DP, LE, aptX HD | 5.2, A2DP, LE, aptX HD, aptX Adaptive |
| Infrared port | - | Yes |
| NFC | Yes | Yes |
| Positioning | GPS, GLONASS, GALILEO, BDS, QZSS | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| Radio | No | No |
| USB | USB Type-C, 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, barometer |
| Battery | ||
|---|---|---|
| Charging | 44W wired | 33W wired, PD3.0, QC3, 100% in 52 min |
| Type | 4300 mAh | Li-Po 4520 mAh |
| Misc | ||
|---|---|---|
| Colors | Black, Blue, Yellow | Black, White, Aurora |
| Models | V2163A | M2012K11C |
| Price | About 430 EUR | About 360 EUR |
vivo S12 Pro
- Exceptional selfie camera
- Stylish and premium design
- Smooth 120Hz AMOLED display
- Refined user experience
- Less powerful chipset than the K40 Pro
- Slower charging speed
- Potentially less value for money
Xiaomi Redmi K40 Pro
- Blazing-fast Snapdragon 888 chipset
- Excellent value for money
- Fast charging (PD3.0, QC3)
- High-quality AMOLED display
- Less impressive selfie camera
- Design may be less appealing to some
- Software experience can be less polished than vivo's
Display Comparison
Both phones feature AMOLED displays with high refresh rates (120Hz). The Redmi K40 Pro typically has a slightly higher peak brightness and potentially better color accuracy, but the S12 Pro's display is also excellent and may offer more vibrant colors. Screen size is similar, around 6.5-6.7 inches.
Camera Comparison
The vivo S12 Pro excels in selfie photography, featuring a high-resolution front-facing camera with advanced beauty modes. The Redmi K40 Pro has a capable main camera system, often with a higher megapixel count, but its selfie camera is less impressive. Video recording capabilities are comparable.
Performance
The Redmi K40 Pro's Snapdragon 888 is significantly faster than the vivo S12 Pro's Dimensity 1200. Expect smoother multitasking, faster app loading times, and better gaming performance on the K40 Pro. The Dimensity 1200 is still capable, but it doesn't match the Snapdragon's power.
Battery Life
The Redmi K40 Pro's 33W charging is faster than the S12 Pro's 44W, although the difference isn't massive. Both phones offer all-day battery life with moderate usage, but the K40 Pro's more efficient chipset may give it a slight edge.
Buying Guide
Who should buy the vivo S12 Pro? Users who prioritize excellent front-facing camera quality, a sleek design, and a more refined user experience. Who should buy the Xiaomi Redmi K40 Pro? Power users, gamers, and those seeking the best possible performance for the price, with a focus on raw speed and efficiency.