Cat S31 vs Cat B15 Q Comparison and Differences
Smartphone 1
Cat S31
Smartphone 2
Cat B15 Q
Smartphone 3
Cat S31 or Cat B15 Q Specs Comparison
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Common specs
| Brand and model | Cat S31 | Cat B15 Q | |
| Rating | (+0) | (+0) | |
| Release date | 2017, September | 2014, Q2 | |
| Dimensions (HxWxD) | 146 x 74.4 x 12.6 mm | 5.75 x 5.75 x 2.93 in | 125 x 69.5 x 15 mm | 4.92 x 4.92 x 2.74 in | |
| Weight | 200 g | 7.05 oz | 170 g | 6 oz | |
| Case | buy from Amazon | buy from Amazon | |
| Colors | Black | Black | |
| Battery | 4000 mAh, Non-removable Li-Ion | 2000 mAh, Removable Li-Ion | |
| Battery life |
Stand by time - Up to 504 h Talking time - Up to 16 h |
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| Approximate price | 330 EUR | 320 EUR | |
| Check price | from Amazon | from Amazon |
Screen
| Technology | TFT | TFT | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | |
| Display colors | 16M | ||
| Screen size | 4.7" in | 4" in | |
| Screen area | 60.9 cm2 | 45.5 cm2 | |
| Screen format | 16:9 (height:width) | 5:3 (height:width) | |
| Screen to body ratio | 56.1% | 52.4% | |
| Screen resolution | 720 x 1280 px | 480 x 800 px | |
| Screen PPI /points per inch/ | 312 PPI | 233 PPI | |
| Screen protection | Corning Gorilla Glass 3 | Corning Gorilla Glass | |
| Screen protector | buy from Amazon | buy from Amazon |
Camera and Video
| Rear camera, main | 8 MP, Single | 5 MP, Single | |
| Camera specs | -8 MP, AF | -5 MP, AF | |
| Functions | LED flash | LED flash | |
| Video | 720p@30fps | 1080p@30fps | |
| Front camera, selfie | 2 MP, Single | 0.3 MP, Single | |
| Specifications | 2 MP | VGA |
Performance
| Operating system - OS | Android 7.0 (Nougat) | Android 4.4.2 (KitKat) | |
| Chipset | - Qualcomm MSM8909 Snapdragon 210 (28 nm) | - Mediatek MT6582M (28 nm) | |
| CPU | - Quad-core 1.3 GHz Cortex-A7 | - Quad-core 1.3 GHz Cortex-A7 | |
| GPU | Adreno 304 | Mali-400MP2 | |
| External memory | microSD, up to 64 GB (dedicated slot) | microSD, up to 32 GB | |
| Internal memory | 16 GB, 2 GB RAM | 4 GB, 1 GB RAM |
Benchmark
| Antutu 7 Total |
Communication and Connectivity
| SIM card | Single SIM (Nano-SIM)Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Mini-SIM, dual stand-by) | |
| Network | GSM / HSPA / LTE | GSM / HSPA | |
| Bands | -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 - EU HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA -4G - LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800) - EU LTE band 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 12(700), 17(700) - USA |
-2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
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| Speed | HSPA, LTE Cat4 150/50 Mbps | HSPA 21.1/5.76 Mbps | |
| GPRS | Yes | Yes | |
| Edge | Yes | Yes | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n, hotspot | |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS | |
| NFC | |||
| USB | microUSB 2.0, USB On-The-Go | microUSB 2.0 | |
| Bluetooth | 4.1, A2DP, LE | 4.0, A2DP, LE |
Music and Audio
| Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes |
Other features
| Sensors | - Accelerometer, proximity, compass | - Accelerometer, proximity | |
| Other extras |
- IP68 dust/water proof (up to 1.2m for 30 mins) -Drop-to-concrete resistance from up to 1.8 m -MIL-STD-810G compliant |
- IP67 dust/water resistant (up to 1m for 30 mins) -MIL-STD-810G compliant -Drop-to-concrete resistance from up to 1.8m |
Reviews and Opinions on Cat S31 and Cat B15 Q
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