The mid-range smartphone market is fiercely competitive, and the vivo iQOO Z9x and Xiaomi Poco X6 Pro represent compelling options for budget-conscious buyers. The Z9x focuses on efficiency with Qualcomm’s Snapdragon 6 Gen 1, while the Poco X6 Pro aims for raw power with the MediaTek Dimensity 8300 Ultra. This comparison dissects their key differences to determine which device delivers the best overall experience.
🏆 Quick Verdict
For most users, the Xiaomi Poco X6 Pro emerges as the stronger contender. Its Dimensity 8300 Ultra chipset provides significantly superior performance, complemented by a brighter display and faster 67W charging. While the iQOO Z9x offers respectable efficiency, the Poco X6 Pro’s power advantage is hard to ignore.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - Global | 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 28, 38, 40, 41, 48, 66 |
| 5G bands | 1, 3, 8, 28, 38, 40, 41, 77, 78 SA/NSA - Global | 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41, 48, 77, 78 SA/NSA/Sub6 |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / CDMA / HSPA / LTE / 5G | GSM / HSPA / LTE / 5G |
| Launch |
|---|
| Announced | 2024, April 24 | 2024, January 11 |
| Status | Available. Released 2024, April 29 | Available. Released 2024, January 12 |
| Body |
|---|
| Build | Glass front, plastic back, plastic frame | Glass front (Gorilla Glass 5), plastic frame, plastic back or silicone polymer back (eco leather) |
| Dimensions | 165.7 x 76 x 8 mm (6.52 x 2.99 x 0.31 in) | 160.5 x 74.3 x 8.3 mm (6.32 x 2.93 x 0.33 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 199 g (7.05 oz) | 186 g or 190 g (6.56 oz) |
| Display |
|---|
| Protection | - | Corning Gorilla Glass 5 |
| Resolution | 1080 x 2408 pixels, 20:9 ratio (~393 ppi density) | 1220 x 2712 pixels, 20:9 ratio (~446 ppi density) |
| Size | 6.72 inches, 108.8 cm2 (~86.4% screen-to-body ratio) | 6.67 inches, 107.4 cm2 (~90.1% screen-to-body ratio) |
| Type | IPS LCD, 120Hz, 1000 nits (peak) | AMOLED, 68B colors, 120Hz, 1920Hz PWM, HDR10+, Dolby Vision, 500 nits (typ), 1200 nits (HBM), 1800 nits (peak) |
| Platform |
|---|
| CPU | Octa-core (4x2.2 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55) | Octa-core (1x3.35 GHz Cortex-A715 & 3x3.20 GHz Cortex-A715 & 4x2.20 GHz Cortex-A510) |
| Chipset | Qualcomm SM6450 Snapdragon 6 Gen 1 (4 nm) | Mediatek Dimensity 8300 Ultra (4 nm) |
| GPU | Adreno 710 | Mali G615-MC6 |
| OS | Android 14, Funtouch OS 14 (International), OriginOS (China) | Android 14, up to 3 major Android upgrades, HyperOS |
| Memory |
|---|
| Card slot | microSDXC (uses shared SIM slot) | No |
| Internal | 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM | 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM |
| Main Camera |
|---|
| Dual | 50 MP, f/1.8, (wide), 1/1.95", 0.8µm, PDAF
Auxiliary lens | - |
| Features | LED flash, panorama, HDR | LED flash, HDR, panorama |
| Triple | - | 64 MP, f/1.7, 25mm (wide), 1/2.0", 0.7µm, PDAF, OIS
8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm
2 MP (macro) |
| Video | 4K, 1080p, gyro-EIS | 4K@24/30fps, 1080p@30/60fps, gyro-EIS |
| Selfie camera |
|---|
| Features | - | HDR, panorama |
| Single | 8 MP, f/2.1, (wide) | 16 MP, f/2.4, (wide), 1/3.06", 1.0µm |
| Video | 1080p@30fps | 1080p@30/60fps |
| Sound |
|---|
| 35mm jack | Yes | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with dual speakers |
| Comms |
|---|
| Bluetooth | 5.1, A2DP, LE, aptX HD, aptX Adaptive | 5.4, A2DP, LE, aptX HD |
| Infrared port | - | Yes |
| NFC | Yes (market/region dependent) | Yes (market/region dependent) |
| Positioning | GPS, GALILEO, GLONASS, QZSS, BDS (B1I+B1c) | GPS, GALILEO, GLONASS, QZSS, BDS (B1I+B1c) |
| Radio | Unspecified | No |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| Features |
|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, compass |
| Battery |
|---|
| Charging | 44W wired
Reverse wired | 67W wired, QC2.0, PD3.0, 100% in 45 min |
| Type | 6000 mAh | 5000 mAh |
| Misc |
|---|
| Colors | Tornado Green (Northern Green), Storm Grey (Mystic Black), White | Black, Yellow, Gray |
| Models | V2353A, I2219 | 2311DRK48G, 2311DRK48I |
| Price | ₹ 13,499 | € 195.30 / $ 209.79 / £ 274.99 / ₹ 21,999 |
| SAR EU | - | 0.99 W/kg (head) 1.00 W/kg (body) |
vivo iQOO Z9x
- Efficient Snapdragon 6 Gen 1 chipset
- Reverse wired charging capability
- Potentially more affordable price point
- Significantly lower performance than Poco X6 Pro
- Likely less vibrant display
- Slower charging speed
Xiaomi Poco X6 Pro
- Powerful Dimensity 8300 Ultra chipset
- Bright 1148 nit display
- Fast 67W wired charging
- Potentially higher price
- May experience more thermal throttling under sustained load
- No reverse wireless charging
Display Comparison
The Poco X6 Pro boasts a significantly brighter display, reaching a measured 1148 nits, making it far more usable outdoors under direct sunlight compared to the iQOO Z9x (brightness data unavailable, but expected to be lower based on chipset and price point). While both utilize 4nm chipsets, the display’s brightness impacts the overall user experience, especially for media consumption. The Poco X6 Pro’s panel likely benefits from more advanced display calibration, resulting in potentially more accurate colors and wider viewing angles. We expect both to be LCD panels, but the X6 Pro's brightness is a clear advantage.
Camera Comparison
Detailed camera specs are limited, but the Poco X6 Pro is expected to feature a more capable camera system. While both phones likely include standard wide and ultrawide lenses, the Poco X6 Pro’s image signal processor (ISP), integrated within the Dimensity 8300 Ultra, offers more advanced image processing capabilities. This translates to better dynamic range, noise reduction, and overall image quality, particularly in challenging lighting conditions. The iQOO Z9x’s camera is likely adequate for casual photography, but the Poco X6 Pro aims for a more refined photographic experience.
Performance
The core difference lies in the chipsets. The Xiaomi Poco X6 Pro’s MediaTek Dimensity 8300 Ultra, with its 1x3.35 GHz Cortex-A715 core and three additional Cortex-A715 cores, represents a substantial leap in performance over the iQOO Z9x’s Qualcomm Snapdragon 6 Gen 1. The Dimensity 8300 Ultra’s architecture, featuring more high-performance cores, translates to faster app loading times, smoother multitasking, and significantly improved gaming performance. The Snapdragon 6 Gen 1, while efficient, is geared towards everyday tasks and light gaming. The Poco X6 Pro’s likely use of faster LPDDR5x RAM further enhances its performance capabilities.
Battery Life
The Poco X6 Pro’s 67W wired charging is a significant advantage, promising a full charge in approximately 45 minutes, compared to the iQOO Z9x’s 44W charging. While the iQOO Z9x supports reverse wired charging, a feature absent on the Poco X6 Pro, the faster charging speed of the Poco X6 Pro is more impactful for most users. The Poco X6 Pro also demonstrates a strong active use battery score of 11:46h, suggesting efficient power management despite its powerful chipset. The iQOO Z9x’s battery capacity is unknown, but the Snapdragon 6 Gen 1’s efficiency may partially offset the charging speed difference.
Buying Guide
Buy the vivo iQOO Z9x if you prioritize long-term efficiency and a more streamlined software experience, and are less demanding in terms of gaming or intensive tasks. Buy the Xiaomi Poco X6 Pro if you value raw performance for gaming and demanding applications, a brighter, more vibrant display, and faster charging speeds, even if it means slightly reduced battery longevity during heavy use.
Frequently Asked Questions
❓ Does the Dimensity 8300 Ultra in the Poco X6 Pro get hot during extended gaming sessions?
While the Dimensity 8300 Ultra is a powerful chip, thermal management is crucial. The Poco X6 Pro likely incorporates cooling solutions to mitigate heat, but sustained gaming at maximum settings may still lead to some throttling. However, the chip's efficiency and the phone's cooling system should prevent overheating to the point of performance degradation for most gaming scenarios.
❓ Is the 44W charging on the iQOO Z9x slow compared to the 67W on the Poco X6 Pro?
Yes, the 67W charging on the Poco X6 Pro is considerably faster, achieving a full charge in approximately 45 minutes. The iQOO Z9x’s 44W charging will take longer, potentially exceeding an hour. This difference is significant for users who frequently need to quickly top up their battery.
❓ How does the Snapdragon 6 Gen 1 handle graphically demanding games like Genshin Impact?
The Snapdragon 6 Gen 1 can run Genshin Impact, but you'll likely need to lower the graphics settings to medium or low to maintain a stable frame rate. The Poco X6 Pro’s Dimensity 8300 Ultra will provide a much smoother experience at higher settings.
