Asus Zenfone 4 vs Lenovo K9 Comparison and Differences
Smartphone 1
Asus Zenfone 4
Smartphone 2
Lenovo K9
Smartphone 3
Asus Zenfone 4 or Lenovo K9 Specs Comparison
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Common specs
| Brand and model | Asus Zenfone 4 | Lenovo K9 | |
| Rating | (+) | (+) | |
| Release date | 2014, January | 2018, October | |
| Dimensions (HxWxD) | 124.4 x 61.4 x 6.3-11.2 mm | 4.9 x 4.9 x 2.42 in | 153.8 x 72.9 x 8 mm | 6.06 x 6.06 x 2.87 in | |
| Weight | 115 g | 4.06 oz | 155 g | 5.47 oz | |
| Case | buy from Amazon | buy from Amazon | |
| Colors | Charcoal Black, Pearl White, Cherry Red, Sky Blue, Solar Yellow | Black, Blue | |
| Battery | 1200 mAh, Removable Li-Po | 3000 mAh, Non-removable Li-Ion | |
| Battery life |
Stand by time - Up to 192 h Talking time - Up to 10 h |
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| Approximate price | 130 EUR | 9000 INR | |
| Check price | from Amazon | from Amazon |
Screen
| Technology | TFT | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | |
| Display colors | 16M | 16M | |
| Screen size | 4" in | 5.7" in | |
| Screen area | 45.5 cm2 | 83.8 cm2 | |
| Screen format | 5:3 (height:width) | 18:9 (height:width) | |
| Screen to body ratio | 59.6% | 74.8% | |
| Screen resolution | 480 x 800 px | 720 x 1440 px | |
| Screen PPI /points per inch/ | 233 PPI | 282 PPI | |
| Screen protection | Corning Gorilla Glass 3 | ||
| Screen protector | buy from Amazon | buy from Amazon |
Camera and Video
| Rear camera, main | 5 MP, Single | 13 MP, Dual | |
| Camera specs | -5 MP, AF | -13 MP, f/2.2, 1/3'', 1.12µm, PDAF -5 MP, f/2.4, 1.12µm, depth sensor |
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| Functions | Dual-LED dual-tone flash, panorama | ||
| Video | 1080p@30fps | 1080p@30/60fps | |
| Front camera, selfie | 0.3 MP, Single | 13 MP, Dual | |
| Specifications | 13 MP, f/2.2, 1/3'', 1.12µm, PDAF 5 MP, f/2.4, 1.12µm, depth sensor |
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| Functions | LED flash | ||
| Video | 1080p@30/60fps |
Performance
| Operating system - OS | Android 4.3 (Jelly Bean), upgradable to 4.4.2 (KitKat) | Android 8.1 (Oreo) | |
| Chipset | - Intel Atom Z2520 | - Mediatek MT6762 Helio P22 (12 nm) | |
| CPU | - Dual-core 1.2 GHz | - Octa-core 2.0 GHz Cortex-A53 | |
| GPU | PowerVR SGX544MP2 | PowerVR GE8320 | |
| External memory | microSD, up to 64 GB (dedicated slot) | microSD, up to 256 GB (uses shared SIM slot) | |
| Internal memory | 4/8 GB, 1 GB RAM | 32 GB, 3 GB RAM |
Benchmark
| Antutu 7 Total | |||
| GeekBench 6 Single Core | 190 | ||
| GeekBench 6 Multi Core | 796 | ||
| GeekBench 6 OpenCL | 199 | ||
| GeekBench 5 Single Core | 174 | 185 | |
| GeekBench 5 Multi-Core | 993 | 832 | |
| GeekBench 4 Single Core | 851 | ||
| GeekBench 4 Multi-Core | 4068 | ||
| GeekBench 4 RenderScript | 4686 |
Communication and Connectivity
| SIM card | Dual SIM (Micro-SIM, dual stand-by) | Hybrid Dual SIM (Nano-SIM, dual stand-by) | |
| Network | GSM / HSPA | GSM / HSPA / LTE | |
| Bands | -2G - GSM 850 / 900 / 1800 / 1900 |
-2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) |
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| Speed | HSPA 42.2/5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE-A Cat6 300/50 Mbps | |
| GPRS | Yes | yes | |
| Edge | Yes | yes | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS | |
| NFC | |||
| USB | microUSB 2.0 | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | |
| Bluetooth | 4.0, A2DP, EDR | 4.1, A2DP, LE | |
| Harmful irradiation |
SAR - 1.18 W/kg (head) SAR EU - 0.53 W/kg (head) |
Music and Audio
| Radio | No | FM radio | |
| Headphone jack | Yes | Yes | |
| Others | - Active noise cancellation with dedicated mic |
Other features
| Sensors | - Accelerometer, proximity | - Fingerprint (rear-mounted), accelerometer, proximity | |
| Other extras |
- Fast battery charging 2A/5V 10W |
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| Versions |
- For India |
Reviews and Opinions on Asus Zenfone 4 and Lenovo K9
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