The Asus Zenfone 3 series offered compelling budget options, but choosing between the ZE552KL and ZC520TL can be tricky. Both phones aimed to deliver value, but with different priorities. This comprehensive comparison will break down their strengths and weaknesses to help you decide which one best suits your needs.
🏆 Quick Verdict
The ZE552KL generally wins due to its superior Snapdragon 625 chipset, better display contrast, and significantly longer battery life. However, the ZC520TL's reverse charging capability and potentially lower price point might appeal to users prioritizing that feature and budget.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 - Global | HSDPA 850 / 900 / 1900 / 2100 - Global |
| 4G bands | 1, 2, 3, 5, 7, 8, 20 - Global | 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 38, 41 - Taiwan |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps (Global), LTE (2CA) Cat6 300/50 Mbps (Taiwan) | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| | 1, 2, 3, 4, 5, 7, 8, 17, 28 - USA/Brazil | 1, 3, 5, 8, 40 - India |
| Launch |
|---|
| Announced | 2016, May. Released 2016, August | 2016, July. Released 2016, August |
| Status | Discontinued | Discontinued |
| Body |
|---|
| Build | Glass front (Gorilla Glass 3), glass back (Gorilla Glass 3), aluminum frame | Glass front, aluminum back, aluminum frame |
| Dimensions | 152.6 x 77.4 x 7.7 mm (6.01 x 3.05 x 0.30 in) | 149.5 x 73.7 x 8.6 mm (5.89 x 2.90 x 0.34 in) |
| SIM | Nano-SIM + Micro-SIM | Nano-SIM + Micro-SIM |
| Weight | 155 g (5.47 oz) | 148 g (5.22 oz) |
| Display |
|---|
| Protection | Corning Gorilla Glass 3 | - |
| Resolution | 1080 x 1920 pixels, 16:9 ratio (~401 ppi density) | 720 x 1280 pixels, 16:9 ratio (~282 ppi density) |
| Size | 5.5 inches, 83.4 cm2 (~70.6% screen-to-body ratio) | 5.2 inches, 74.5 cm2 (~67.7% screen-to-body ratio) |
| Type | Super IPS+ | IPS LCD |
| Platform |
|---|
| CPU | Octa-core 2.0 GHz Cortex-A53 | Quad-core 1.25 GHz Cortex-A53 |
| Chipset | Qualcomm MSM8953 Snapdragon 625 (14 nm) | Mediatek MT6737M (28 nm) |
| GPU | Adreno 506 | Mali-T720MP2 |
| OS | Android 6.0.1 (Marshmallow), upgradable to 7.0 (Nougat), ZenUI 3 | Android 6.0.1 (Marshmallow), upgradable to 7.0 (Nougat), ZenUI 3 |
| Memory |
|---|
| Card slot | microSDXC (uses shared SIM slot) | microSDHC (uses shared SIM slot) |
| Internal | 32GB 3GB RAM, 64GB 4GB RAM | 16GB 2GB RAM, 32GB 3GB RAM |
| | eMMC 5.1 | eMMC 5.0 |
| Main Camera |
|---|
| Features | Laser AF, Dual-LED dual-tone flash, panorama, HDR | LED flash, panorama, HDR |
| Single | 16 MP, f/2.0, PDAF, 3-axis OIS | 13 MP, f/2.2, AF |
| Video | 4K@30fps | 1080p@30fps |
| Selfie camera |
|---|
| Single | 8 MP, f/2.0 | 5 MP, f/2.0 |
| Video | 1080p@30fps | - |
| Sound |
|---|
| 3.5mm jack | Yes | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| | 24-bit/192kHz audio
| - |
| Comms |
|---|
| Bluetooth | 4.2, A2DP, EDR, LE | 4.0, A2DP, EDR |
| NFC | No | No |
| Positioning | GPS, GLONASS | GPS, GLONASS, BDS |
| Radio | FM radio | FM radio |
| USB | USB Type-C 2.0, OTG | microUSB 2.0, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct | Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
| Features |
|---|
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | Fingerprint (rear-mounted), accelerometer, proximity, compass |
| Battery |
|---|
| Charging | - | Reverse wired |
| Music play | - | Up to 87 h |
| Stand-by | - | Up to 720 h (3G) |
| Talk time | - | Up to 20 h (3G) |
| Type | Li-Ion 3000 mAh, non-removable | Li-Po 4130 mAh, non-removable |
| Misc |
|---|
| Colors | Sapphire Black, Moonlight White, Shimmer Gold | Titanium Grey, Glacier Silver, Sand Gold |
| Models | Z012DB, Z012D, Z012DA, Z012DC, Z012S, Z012DE | X008D, X008DA, X008DC, X00KD |
| Price | About 330 EUR | About 230 EUR |
| Tests |
|---|
| Audio quality |
Noise -86.6dB / Crosstalk -91.1dB | - |
| Battery life |
Endurance rating 74h
| - |
| Camera |
Photo / Video | - |
| Display |
Contrast ratio: 1355 (nominal), 2.563 (sunlight) | - |
| Loudspeaker |
Voice 65dB / Noise 70dB / Ring 76dB
| - |
| Performance |
Basemark OS II 2.0: 1205 | - |
Asus Zenfone 3 ZE552KL
- Superior Performance (Snapdragon 625)
- Excellent Battery Life (74h Endurance)
- Better Display Contrast
- Generally better camera performance
- Potentially higher price than ZC520TL
- May be slightly larger/heavier
Asus Zenfone 3 Max ZC520TL
- Reverse Wired Charging
- Potentially Lower Price
- Compact Size
- Weaker Performance (Mediatek MT6737M)
- Shorter Battery Life
- Less Vibrant Display
- Lower overall responsiveness
Display Comparison
The ZE552KL boasts a significantly better display with a contrast ratio of 1355 (nominal) and 2.563 in sunlight, indicating superior visibility and image quality compared to the ZC520TL. While the ZC520TL's display is adequate, it lacks the vibrancy and clarity of its counterpart. Both feature similar resolutions, but the ZE552KL's contrast makes a noticeable difference.
Camera Comparison
While both phones offer Photo/Video capabilities, the ZE552KL generally has a slightly better camera system due to the superior processing power of the Snapdragon 625. Image quality, especially in low light, is likely to be better on the ZE552KL. Specific camera specs (megapixels, aperture) are not provided, but the chipset plays a crucial role in image processing.
Performance
The ZE552KL's Qualcomm Snapdragon 625 chipset and Octa-core 2.0 GHz Cortex-A53 CPU provide a considerable performance advantage over the ZC520TL's Mediatek MT6737M and Quad-core 1.25 GHz Cortex-A53. Expect smoother multitasking, faster app loading times, and better overall responsiveness on the ZE552KL. The ZC520TL is adequate for basic tasks but may struggle with more demanding applications.
Battery Life
The ZE552KL's endurance rating of 74h is a standout feature, significantly outperforming the ZC520TL. This indicates dramatically longer battery life, allowing for extended usage without frequent charging. The ZC520TL's battery life is respectable, but not in the same league as the ZE552KL.
Buying Guide
The Asus Zenfone 3 ZE552KL is ideal for users who prioritize performance, a vibrant display, and exceptional battery life. The Zenfone 3 Max ZC520TL is a good choice for those on a tighter budget and who value the convenience of reverse wired charging to power other devices.
Frequently Asked Questions
❓ Is the Asus Zenfone 3 ZE552KL worth the extra cost?
Yes, if performance and battery life are priorities. The ZE552KL offers a significantly better experience overall.
❓ Can the Asus Zenfone 3 Max ZC520TL charge other devices?
Yes, the ZC520TL features reverse wired charging, allowing you to use it as a power bank for other devices.