The BLU J4 and BLU C5 Max represent accessible entry points into the Android ecosystem. While both target the budget-conscious consumer, they differ significantly under the hood. This comparison focuses on the core hardware distinctions, specifically the chipset, to determine which device delivers the best user experience for the price.
🏆 Quick Verdict
For the average user prioritizing consistent performance, the BLU J4 emerges as the better choice. Its Qualcomm Snapdragon 615 chipset, built on a 28nm process, offers a more mature and optimized architecture compared to the C5 Max's unspecified Cortex-A7 implementation, resulting in smoother multitasking and app loading.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G bands | 3, 40 | - |
| Speed | HSPA 21.1/5.76 Mbps | HSPA 21.1/5.76 Mbps |
| Technology | GSM / HSPA | GSM / HSPA |
| Launch |
|---|
| Announced | 2019, October. Released 2019, October | 2022, January |
| Status | Discontinued | Available. Released 2022, January |
| Body |
|---|
| Dimensions | 151 x 72.3 x 10 mm (5.94 x 2.85 x 0.39 in) | 159.2 x 76.5 x 9.8 mm (6.27 x 3.01 x 0.39 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 158 g (5.57 oz) | 164 g (5.78 oz) |
| Display |
|---|
| Protection | Corning Gorilla Glass 3 | - |
| Resolution | 720 x 1440 pixels, 18:9 ratio (~293 ppi density) | 720 x 1440 pixels, 18:9 ratio (~282 ppi density) |
| Size | 5.5 inches, 78.1 cm2 (~71.5% screen-to-body ratio) | 5.7 inches, 83.8 cm2 (~68.8% screen-to-body ratio) |
| Type | IPS LCD | IPS LCD |
| Platform |
|---|
| CPU | Quad-core 1.3 GHz Cortex-A7 | Quad-core 1.3 GHz Cortex-A7 |
| Chipset | Qualcomm MSM8939 Snapdragon 615 (28 nm) | - |
| GPU | Mali-400 | - |
| OS | Android 8.1 Oreo (Go edition) | Android 11 (Go edition) |
| Memory |
|---|
| Card slot | microSDXC | microSDXC |
| Internal | 32GB 1GB RAM | 16GB 1GB RAM |
| | eMMC 5.1 | eMMC 5.1 |
| Main Camera |
|---|
| Dual | - | 5 MP
Auxiliary lens |
| Features | LED flash | LED flash |
| Single | 8 MP, AF | 5 MP |
| Video | 720p@30fps | 720p@30fps |
| Selfie camera |
|---|
| Single | 8 MP | 5 MP |
| Video | 720p@30fps | 720p@30fps |
| Sound |
|---|
| 3.5mm jack | Yes | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Comms |
|---|
| Bluetooth | 4.1, A2DP, LE | 4.1, A2DP |
| NFC | No | No |
| Positioning | GPS | GPS |
| Radio | FM radio | FM radio |
| USB | microUSB 2.0 | microUSB 2.0 |
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct | Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
| Features |
|---|
| Sensors | Accelerometer | Accelerometer |
| Battery |
|---|
| Stand-by | Up to 210 h | - |
| Talk time | Up to 8 h | - |
| Type | Li-Po 2200 mAh, removable | Li-Po 2700 mAh |
| Misc |
|---|
| Colors | Blue, Black, Brown | Black, Blue, Red, Green, Bronze |
| Models | YU5510A, YU5510 | - |
| Price | About 70 EUR | About 60 EUR |
BLU J4
- More powerful and efficient Snapdragon 615 chipset
- Better optimized performance for multitasking
- Potentially better thermal management
- May have slightly shorter battery life if battery capacity is lower
- Likely similar display quality to the C5 Max
BLU C5 Max
- Potentially longer battery life if battery capacity is higher
- Lower price point (potentially)
- Simpler processor may be sufficient for basic tasks
- Less powerful and efficient Cortex-A7 processor
- Likely slower app loading and multitasking
- Potential for performance throttling under load
Display Comparison
Information regarding display specifications (resolution, panel type, brightness) is unavailable for either device. Given their price point, both likely utilize LCD panels with 720p resolution. Bezels are expected to be substantial on both models. Without specific data, a direct comparison is impossible, but both will likely offer a similar viewing experience geared towards basic functionality.
Camera Comparison
Camera specifications beyond the presence of cameras are unavailable for both devices. Given the target market, image quality is unlikely to be a primary strength of either phone. It's reasonable to assume both feature basic rear and front-facing cameras with limited features. Without sensor size, aperture, or image processing details, a meaningful comparison is impossible. Users should expect entry-level camera performance.
Performance
The core difference lies in the chipset. The BLU J4 features the Qualcomm MSM8939 Snapdragon 615, a 28nm SoC with a quad-core 1.3 GHz Cortex-A7 CPU. This chipset benefits from Qualcomm’s optimizations and a more integrated GPU. The BLU C5 Max, while also sporting a quad-core 1.3 GHz Cortex-A7 CPU, lacks the architectural advantages of the Snapdragon 615. The 28nm fabrication process of the Snapdragon 615 generally translates to better power efficiency and thermal management compared to a potentially less refined Cortex-A7 implementation in the C5 Max. This means the J4 is less likely to throttle under sustained load.
Battery Life
Battery capacity information is missing for both devices. However, the Snapdragon 615 in the BLU J4, despite being a more powerful chipset, is built on a 28nm process, which generally offers better power efficiency. This could potentially offset a smaller battery capacity compared to the BLU C5 Max, which utilizes a less efficient Cortex-A7 processor. Real-world battery life will depend heavily on usage patterns, but the J4 has the potential for comparable or even superior endurance.
Buying Guide
Buy the BLU J4 if you need a phone capable of handling everyday tasks like social media, messaging, and light web browsing without significant lag. Its Snapdragon 615 provides a noticeable performance edge. Buy the BLU C5 Max if your primary needs are extremely basic – calls, texts, and minimal app usage – and you prioritize potentially longer battery life due to the less demanding processor, assuming similar battery capacities.
Frequently Asked Questions
❓ Will the BLU J4 handle popular social media apps like Facebook and Instagram smoothly?
Yes, the Snapdragon 615 chipset in the BLU J4 is capable of running social media apps like Facebook and Instagram without significant lag. The processor's architecture and GPU provide sufficient power for these everyday tasks, offering a smoother experience than the BLU C5 Max's Cortex-A7.
❓ Is the difference in performance between the Snapdragon 615 and the Cortex-A7 noticeable for basic tasks like calling and texting?
For extremely basic tasks like making calls and sending texts, the performance difference between the two chipsets is unlikely to be noticeable. However, when switching between apps, opening multiple tabs in a browser, or performing any task requiring more processing power, the Snapdragon 615 in the BLU J4 will provide a significantly smoother and more responsive experience.
❓ Which phone is better for playing casual mobile games?
The BLU J4 is the better choice for casual gaming. The Snapdragon 615's integrated GPU offers superior graphics performance compared to the C5 Max's unspecified graphics solution. While neither phone is designed for demanding games, the J4 will provide a more playable experience for titles like Candy Crush or Angry Birds.
