The ultra-budget smartphone segment is fiercely competitive. The Doogee U9, powered by the RK3562, and the Infinix Smart 7 HD, featuring an Octa-core processor, both aim to deliver essential smartphone functionality at an incredibly low price point. This comparison dissects their key differences to determine which device offers the best value for users prioritizing performance and everyday usability.
🏆 Quick Verdict
For the average user prioritizing multitasking and smoother app switching, the Infinix Smart 7 HD is the better choice. Its Octa-core CPU provides a significant advantage over the Doogee U9’s Quad-core processor, despite the lower clock speed. Both phones offer identical 10W charging, making performance the key differentiator.
| Network |
|---|
| 2G bands | N/A | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | N/A | HSDPA 850 / 900 / 2100 |
| 4G bands | N/A | 1, 3, 5, 8, 38, 40, 41 |
| EDGE | No | - |
| GPRS | No | - |
| Speed | - | HSPA, LTE |
| Technology | No cellular connectivity | GSM / HSPA / LTE |
| | - | 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 |
| Launch |
|---|
| Announced | 2023, November | 2023, April 14 |
| Status | Available. Released 2023, November | Available. Released 2023, April 14 |
| Body |
|---|
| Build | - | Glass front, plastic back, plastic frame |
| Dimensions | 245.3 x 163.3 x 9.9 mm (9.66 x 6.43 x 0.39 in) | 163.9 x 75.5 x 8.7 mm (6.45 x 2.97 x 0.34 in) |
| SIM | No | Nano-SIM + Nano-SIM |
| Weight | 509 g (1.12 lb) | 196.5 g (6.95 oz) |
| Display |
|---|
| Resolution | 800 x 1280 pixels, 16:10 ratio (~149 ppi density) | 720 x 1612 pixels, 20:9 ratio (~267 ppi density) |
| Size | 10.1 inches, 295.8 cm2 (~73.8% screen-to-body ratio) | 6.6 inches, 104.6 cm2 (~84.6% screen-to-body ratio) |
| Type | IPS LCD | IPS LCD, 500 nits |
| Platform |
|---|
| CPU | Quad-core 2.0 GHz | Octa-core 1.6 GHz |
| Chipset | RK3562 | - |
| OS | Android 13 | Android 12 (Go edition) |
| Memory |
|---|
| Card slot | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| Internal | 64GB 3GB RAM | 64GB 2GB RAM |
| | - | UFS 2.1 |
| Main Camera |
|---|
| Dual | - | 8 MP, f/2.0
0.08 MP, (depth) |
| Features | LED flash | Dual-LED flash, HDR, panorama |
| Single | 5 MP | 8 MP, f/2.0
Auxiliary lens |
| Video | 720p@30fps | 1080p@30fps |
| Selfie camera |
|---|
| Features | - | LED flash |
| Single | 2 MP | 5 MP, f/2.0 |
| Video | Yes | 720p@30fps |
| Sound |
|---|
| 3.5mm jack | - | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes, with stereo speakers | Yes |
| Comms |
|---|
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE |
| NFC | No | No |
| Positioning | No | GPS |
| Radio | No | FM radio |
| USB | USB Type-C 2.0, OTG | microUSB 2.0, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band | Wi-Fi 802.11 b/g/n |
| Features |
|---|
| Sensors | Accelerometer | Fingerprint (rear-mounted), accelerometer, proximity |
| Battery |
|---|
| Charging | 10W wired | 10W wired |
| Type | 5060 mAh | 5000 mAh |
| Misc |
|---|
| Colors | Gray, Black, Purple | Ink Black, Silk Blue, Jade White, Green Apple |
| Models | - | X6516 |
| Price | - | About 110 EUR |
Doogee U9
- Potentially faster single-core performance due to higher clock speed.
- RK3562 chipset offers good power efficiency.
- Simple and straightforward user experience (potentially).
- Quad-core processor limits multitasking capabilities.
- Likely struggles with demanding applications.
- Limited upgrade path.
Infinix Smart 7 HD
- Octa-core processor provides superior multitasking performance.
- Smoother app switching and web browsing.
- More responsive user experience overall.
- Lower clock speed may result in slightly slower single-core performance.
- Potential for more software bloat (typical of Infinix).
- 2MP macro camera is likely of limited utility.
Display Comparison
Neither Doogee nor Infinix provide display specifications beyond the basic panel type. Given the price point, both likely utilize IPS LCD panels. Without data on resolution, brightness (nits), or color gamut coverage, it’s safe to assume display quality will be similar and focused on functionality over visual fidelity. Bezels are likely to be substantial on both devices, maximizing screen real estate within a compact form factor.
Camera Comparison
Both devices are likely to feature basic camera setups geared towards casual photography. Without detailed sensor information, it’s difficult to assess image quality. However, the presence of a 2MP macro camera on the Infinix Smart 7 HD is unlikely to deliver significant improvements in close-up photography due to the small sensor size and limited resolution. The primary camera sensor size and aperture are critical factors, but absent this data, we can assume both cameras will perform similarly in good lighting conditions, with image quality degrading in low-light scenarios.
Performance
The core difference lies in the CPU architecture. The Doogee U9’s RK3562 features a Quad-core setup clocked at 2.0 GHz. While the higher clock speed suggests potential for faster single-core performance, the Infinix Smart 7 HD’s Octa-core processor, running at 1.6 GHz, offers superior multi-core capabilities. This translates to a smoother experience when running multiple applications, browsing the web with numerous tabs open, or engaging in light multitasking. The RK3562 is an ARM Cortex-A55 based processor, which is efficient but not designed for intensive tasks. The Smart 7 HD's Octa-core likely utilizes a similar architecture, but the increased core count provides a clear advantage in parallel processing.
Battery Life
Both the Doogee U9 and the Infinix Smart 7 HD support 10W wired charging. This slow charging speed indicates a focus on cost reduction rather than rapid power replenishment. Actual 0-100% charging times will likely exceed 3 hours for both devices. Battery capacity is not specified, but given the target market, both are likely to feature batteries in the 4000-5000 mAh range. The efficiency of the RK3562 versus the Octa-core CPU will play a role in overall battery life, but the difference is unlikely to be substantial for typical usage patterns.
Buying Guide
Buy the Doogee U9 if you need a device for extremely basic tasks like calls, texts, and light web browsing, and prioritize a potentially simpler software experience. Buy the Infinix Smart 7 HD if you prefer a phone capable of handling multiple apps simultaneously, streaming video without significant lag, and offering a more responsive user experience for everyday tasks.
Frequently Asked Questions
❓ Will the Infinix Smart 7 HD struggle with popular social media apps like Facebook and Instagram?
The Infinix Smart 7 HD’s Octa-core processor should handle Facebook and Instagram without significant issues. While not a powerhouse, the increased core count provides enough headroom for these commonly used applications. However, expect some lag when loading large media files or using multiple apps simultaneously.
❓ Is the RK3562 in the Doogee U9 capable of running any games?
The Doogee U9’s RK3562 chipset is not designed for gaming. While it may be able to run very basic 2D games, demanding 3D titles will likely be unplayable due to the limited processing power and graphics capabilities. Expect significant frame rate drops and lag even in simpler games.
❓ How long will it take to fully charge either phone from 0%?
With both phones supporting only 10W charging, a full charge from 0% will likely take between 3 to 4 hours. This is a relatively slow charging speed, so it's best to charge the devices overnight.
❓ Does the Infinix Smart 7 HD have a lot of pre-installed bloatware?
Infinix phones are often known for including pre-installed bloatware. The Smart 7 HD is likely to come with several third-party apps pre-installed, which can consume storage space and system resources. However, many of these apps can be uninstalled.
