Oppo A91 vs vivo Y31 Comparison and Differences
Smartphone 1
Oppo A91
Smartphone 2
vivo Y31
Smartphone 3
Oppo A91 or vivo Y31 Specs Comparison
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Common specs
| Brand and model | Oppo A91 | vivo Y31 | |
| Rating | (+0) | (+0) | |
| Release date | 2019, December | 2015, September | |
| Dimensions (HxWxD) | 160.2 x 73.3 x 7.9 mm | 6.31 x 6.31 x 2.89 in | 137.2 x 68.8 x 8.4 mm | 5.4 x 5.4 x 2.71 in | |
| Weight | 172 g | 6.07 oz | 137 g | 4.83 oz | |
| Body Build | Glass front (Gorilla Glass 5), plastic back, plastic frame | ||
| Case | buy from Amazon | buy from Amazon | |
| Colors | Dark Blue, Red, Blue | White, Black | |
| Battery | 4025 mAh, Non-removable Li-Po | 2100 mAh, Removable Li-Po | |
| Approximate price | 260 EUR | 130 EUR | |
| Check price | from Amazon | from Amazon |
Screen
| Technology | AMOLED | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | |
| Display colors | 16M | 16M | |
| Screen size | 6.4" in | 4.7" in | |
| Screen area | 100.4 cm2 | 60.9 cm2 | |
| Screen format | 20:9 (height:width) | 16:9 (height:width) | |
| Screen to body ratio | 85.5% | 64.5% | |
| Screen resolution | 1080 x 2400 px | 720 x 1280 px | |
| Screen PPI /points per inch/ | 408 PPI | 312 PPI | |
| Screen protection | Corning Gorilla Glass 5 | ||
| Other specs | - 430 nits typ. brightness | ||
| Screen protector | buy from Amazon | buy from Amazon |
Camera and Video
| Rear camera, main | 48 MP, Quad | 8 MP, Single | |
| Camera specs | -48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF -8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm -2 MP B/W, f/2.4, 1/5.0", 1.75µm -2 MP, f/2.4, 1/5.0", 1.75µm, depth sensor |
-8 MP | |
| Functions | LED flash, HDR, panorama | LED flash, HDR | |
| Video | 1080p@30fps, gyro-EIS | 720p@30fps | |
| Front camera, selfie | 16 MP, Single | 2 MP, Single | |
| Specifications | 16 MP, f/2.0, 26mm (wide), 1/3.1'', 1.0µm | 2 MP | |
| Functions | HDR | ||
| Video | 1080p@30fps |
Performance
| Operating system - OS | Android 9.0 (Pie); ColorOS 6.1 | Android 5.1 (Lollipop); Funtouch 2.1 | |
| Chipset | - Mediatek MT6771V Helio P70 (12nm) | - Mediatek MT6580 (28 nm) | |
| CPU | - Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) | - Quad-core 1.3 GHz Cortex-A7 | |
| GPU | Mali-G72 MP3 | Mali-400MP2 | |
| External memory | microSD, up to 256 GB (dedicated slot) | microSD, up to 256 GB (dedicated slot) | |
| Internal memory | 128GB 8GB RAM | 8 GB, 1 GB RAM |
Benchmark
| Antutu 8 Total | 151394 | 101155 | |
| Antutu 7 Total | |||
| GeekBench 5 Single Core | 300 | ||
| GeekBench 5 Multi-Core | 1300 | ||
| GeekBench 4 Single Core | 405 | ||
| GeekBench 4 Multi-Core | 1086 |
Communication and Connectivity
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM | |
| Network | GSM / CDMA / HSPA / LTE | GSM / HSPA | |
| Bands | -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) |
-2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
|
| Speed | HSPA 42.2/11.5 Mbps, LTE-A | HSPA | |
| GPRS | Yes | Yes | |
| Edge | Yes | Yes | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/ax, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, hotspot | |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS | |
| NFC | |||
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | microUSB 2.0 | |
| Bluetooth | 4.2, A2DP, LE | 4.0, A2DP |
Music and Audio
| Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | |
| Others | - Active noise cancellation with dedicated mic |
Other features
| Sensors | - Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | - Accelerometer, proximity, compass | |
| Other extras |
- Fast charging 20W, 50% in 30 min -VOOC 3.0 |
Reviews and Opinions on Oppo A91 and vivo Y31
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