Xiaomi Redmi K70 vs. vivo X100 Ultra: A Deep Dive into Snapdragon Power and Battery Life
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🏆 Quick Verdict
For the average user prioritizing raw performance and future-proofing, the vivo X100 Ultra emerges as the winner. Its Snapdragon 8 Gen 3 chipset and superior battery life, evidenced by the 12:55h active use score, justify the higher price. However, the Redmi K70 remains a compelling option for budget-conscious users seeking flagship-level performance.
| PHONES | ||
|---|---|---|
| Phone Names | Xiaomi Redmi K70 | vivo X100 Ultra |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 800 / 850 / 900 / 1700(AWS) / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66 | 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 42, 66 |
| 5G bands | 1, 3, 5, 8, 28, 38, 41, 48, 66, 77, 78 SA/NSA | 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 77, 78, 79 SA/NSA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G | GSM / CDMA / HSPA / LTE / 5G |
| Launch | ||
|---|---|---|
| Announced | 2023, November 29 | 2024, May 13 |
| Status | Available. Released 2023, November 29 | Available. Released 2024, May 28 |
| Body | ||
|---|---|---|
| Build | - | Glass front, glass back, aluminum frame |
| Dimensions | 160.9 x 75 x 8.2 mm (6.33 x 2.95 x 0.32 in) | 164.1 x 75.6 x 9.2 mm (6.46 x 2.98 x 0.36 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 209 g (7.37 oz) | 229 g (8.08 oz) |
| Display | ||
|---|---|---|
| Resolution | 1440 x 3200 pixels, 20:9 ratio (~526 ppi density) | 1440 x 3200 pixels, 20:9 ratio (~517 ppi density) |
| Size | 6.67 inches, 107.4 cm2 (~89.0% screen-to-body ratio) | 6.78 inches, 111.4 cm2 (~89.8% screen-to-body ratio) |
| Type | OLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 4000 nits (peak) | LTPO AMOLED, 1B colors, 120Hz, Dolby Vision, HDR, 3000 nits (peak) |
| Platform | ||
|---|---|---|
| CPU | Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510) | Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520) |
| Chipset | Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm) | Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm) |
| GPU | Adreno 740 | Adreno 750 |
| OS | Android 14, HyperOS | Android 14, upgradable to Android 15, OriginOS 5 |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM | 256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM |
| Main Camera | ||
|---|---|---|
| Features | Color spectrum sensor, LED flash, HDR, panorama | Laser AF, color spectrum sensor, Zeiss optics, Zeiss T* lens coating, LED flash, panorama, HDR, 3D LUT import |
| Triple | 50 MP, f/1.6, (wide), 1/1.55", 1.0µm, PDAF, OIS 8 MP, (ultrawide) 2 MP (macro) | 50 MP, f/1.8, 23mm (wide), 1/0.98", 1.6µm, dual pixel PDAF, gimbal OIS 200 MP, f/2.7, 85mm (periscope telephoto), 1/1.4", 0.56µm, multi-directional PDAF, OIS, 3.7x optical zoom, macro 3.4:1 50 MP, f/2.2, 14mm, 116˚ (ultrawide), 1/2.0", 0.8µm, AF |
| Video | 8K@24fps, 4K@24/30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS | 8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, gyro-EIS, Dolby Vision HDR |
| Selfie camera | ||
|---|---|---|
| Features | HDR | HDR |
| Single | 16 MP, (wide) | 50 MP, f/2.5, 24mm (wide), 1/2.76", 0.64µm, AF |
| Video | 1080p@30/60fps, gyro-EIS | 4K@30/60fps, 1080p@30/60fps |
| Sound | ||
|---|---|---|
| 35mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
| Comms | ||
|---|---|---|
| Bluetooth | 5.3, A2DP, LE | 5.4, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless, LHDC |
| Infrared port | Yes | 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), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), GLONASS |
| Radio | No | No |
| USB | USB Type-C, OTG | USB Type-C 3.2, OTG, DisplayPort |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (under display, optical), accelerometer, proximity, gyro, compass | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass |
| Battery | ||
|---|---|---|
| Charging | 120W wired, PD3.0, QC3+, 100% in 18 min | 80W wired, PD, PPS, QC, UFCS 30W wireless Reverse wired Reverse wireless |
| Type | Li-Po 5000 mAh | Si/C Li-Ion 5500 mAh |
| Misc | ||
|---|---|---|
| Colors | Black, Silver, Blue/Green, Purple | Titanium, White, Grey |
| Models | 23113RKC6C | V2366GA, V2366HA |
| Price | About 320 EUR | About 980 EUR |
Xiaomi Redmi K70
- Significantly faster 120W wired charging.
- Potentially lower price point for comparable performance.
- Snapdragon 8 Gen 2 is still a very capable chipset.
- Likely shorter battery life compared to the X100 Ultra.
- Display likely lacks the peak brightness of the X100 Ultra.
vivo X100 Ultra
- Superior performance with the Snapdragon 8 Gen 3.
- Longer battery life (12:55h active use).
- Brighter display (1801 nits peak brightness).
- Slower 80W wired charging.
- Higher price point.
Display Comparison
The vivo X100 Ultra boasts a significantly brighter display, reaching a measured peak of 1801 nits, compared to an unspecified peak brightness for the Redmi K70. This translates to superior visibility in direct sunlight. While the Redmi K70’s panel technology isn’t detailed, the X100 Ultra’s brightness suggests a high-end AMOLED panel. The absence of refresh rate information for the K70 makes a direct comparison difficult, but the X100 Ultra’s brightness is a clear advantage for outdoor use and HDR content consumption.
Camera Comparison
Context data lacks detailed camera specifications for both devices. However, given vivo’s reputation, the X100 Ultra likely prioritizes camera capabilities with a larger sensor and advanced image processing. The Redmi K70, while capable, is likely to focus more on overall value. Without sensor size or aperture information, a definitive camera comparison is impossible, but the X100 Ultra’s brand positioning suggests a more sophisticated camera system.
Performance
The core difference lies in the chipsets: the Redmi K70 utilizes the Snapdragon 8 Gen 2 (4nm), while the X100 Ultra features the newer Snapdragon 8 Gen 3 (4nm). The Gen 3’s CPU architecture – a 1x3.3 GHz Cortex-X4 prime core alongside 3x3.2 GHz Cortex-A720 and 2x3.0 GHz Cortex-A720 cores – represents a substantial upgrade over the K70’s 1x3.2 GHz Cortex-X3, 2x2.8 GHz Cortex-A715, 2x2.8 GHz Cortex-A710, and 3x2.0 GHz Cortex-A510 configuration. This architectural shift, coupled with the Gen 3’s improved GPU, will result in noticeably faster application loading, smoother multitasking, and higher sustained frame rates in demanding games. The K70’s LPDDR5X RAM is standard, but the X100 Ultra’s RAM speed isn’t specified, potentially offering another performance edge.
Battery Life
The vivo X100 Ultra demonstrates a clear advantage in battery endurance, achieving 12:55h of active use. The Redmi K70’s battery capacity is not specified, but its 120W wired charging significantly outpaces the X100 Ultra’s 80W wired charging. The X100 Ultra compensates with 30W wireless charging and reverse wireless charging, features absent on the K70. While the K70’s faster wired charging offers quicker top-ups, the X100 Ultra’s longer battery life reduces the frequency of charging needed.
Buying Guide
Buy the Xiaomi Redmi K70 if you need a high-performance phone without breaking the bank, prioritizing gaming and fast charging above all else. Its 120W charging is a significant advantage. Buy the vivo X100 Ultra if you prefer a more refined, premium experience with longer battery life, a brighter display peaking at 1801 nits, and the latest Snapdragon 8 Gen 3 for sustained peak performance.