Oppo K7x vs Samsung Galaxy A31 Comparison and Differences
Smartphone 1
Oppo K7x
Smartphone 2
Samsung Galaxy A31
Smartphone 3
Oppo K7x or Samsung Galaxy A31 Specs Comparison
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Common specs
| Brand and model | Oppo K7x | Samsung Galaxy A31 | |
| Rating | (+) | (+) | |
| Release date | 2020, November 04 | 2020, March 24 | |
| Dimensions (HxWxD) | 162.2 x 75.1 x 9.1 mm | 6.39 x 6.39 x 2.96 in | 159.3 x 73.1 x 8.6 mm | 6.27 x 6.27 x 2.88 in | |
| Weight | 194 g | 6.84 oz | 185 g | 6.53 oz | |
| Case | buy from Amazon | buy from Amazon | |
| Colors | Blue, Black | Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White | |
| Battery | 5000 mAh, Li-Po, non-removable | 5000 mAh, Non-removable Li-Po | |
| Approximate price | 190 EUR | 220 EUR | |
| Check price | from Amazon | from Amazon |
Screen
| Technology | LTPS IPS LCD | Super AMOLED | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | |
| Display colors | 16M | 16M | |
| Screen size | 6.5" in | 6.4" in | |
| Screen area | 102.0 cm2 | 98.9 cm2 | |
| Screen format | 20:9 (height:width) | 20:9 (height:width) | |
| Screen to body ratio | 83.7% | 84.9% | |
| Screen resolution | 1080 x 2400 px | 1080 x 2400 px | |
| Screen PPI /points per inch/ | 405 PPI | 411 PPI | |
| Screen protection | Corning Gorilla Glass 3 | ||
| Other specs | - 90Hz -480 nits (typ) -600 nits (peak) |
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| Screen protector | buy from Amazon | buy from Amazon |
Camera and Video
| Rear camera, main | 48 MP, Quad | 48 MP, Quad | |
| Camera specs | -48 MP, f/1.7, 25mm (wide), 1/2.0'', 0.8µm, PDAF -8 MP, f/2.2, 119˚ (ultrawide), 1/4.0'', 1.12µm -2 MP, f/2.4, (macro) -2 MP, f/2.4, (depth) |
-48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF -8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm -5 MP, f/2.4, (macro) -5 MP, f/2.4, (depth) |
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| Functions | LED flash, HDR, panorama | LED flash, panorama, HDR | |
| Video | 4K@30fps, 1080p@30/60/120fps; gyro-EIS | 1080p@30fps | |
| Front camera, selfie | 16 MP, Single | 20 MP, Single | |
| Specifications | 16 MP, f/2.0, 26mm (wide), 1/3.06'', 1.0µm | 20 MP, f/2.2, (wide) | |
| Functions | HDR | ||
| Video | 1080p@30fps | 1080p@30fps |
Performance
| Operating system - OS | Android 10, ColorOS 7.2 | Android 10.0; One UI 2.0 | |
| Chipset | - MediaTek MT6853V Dimensity 720 5G (7 nm) | - Mediatek MT6768 Helio P65 (12nm) | |
| CPU | - Octa-core (2x2.0 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) | - Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55) | |
| GPU | Mali-G57 MC3 | Mali-G52 MC2 | |
| External memory | No | microSDXC (dedicated slot) | |
| Internal memory | 128GB 6GB RAM | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM |
Benchmark
| Antutu 8 Total | 284967 | 183452 | |
| GeekBench 6 Single Core | 386 | ||
| GeekBench 6 Multi Core | 1213 | ||
| GeekBench 6 OpenCL | 761 | ||
| GeekBench 5 Single Core | 326 | ||
| GeekBench 5 Multi-Core | 1157 |
Communication and Connectivity
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM)Dual SIM (Nano-SIM, dual stand-by) | |
| Network | GSM / CDMA / HSPA / EVDO / LTE / 5G | GSM / HSPA / LTE | |
| Bands | -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - 1, 2, 3, 4, 5, 7, 8, 34, 38, 39, 40, 41 -5G - 1, 41, 77, 78 SA/NSA |
-2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE (unspecified) |
|
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G 2.3 Gbps DL | HSPA, LTE-A | |
| GPRS | Yes | Yes | |
| Edge | Yes | Yes | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS | |
| NFC | No | Yes (market/region dependent) | |
| USB | USB Type-C 2.0, USB On-The-Go | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | |
| Bluetooth | 5.0, A2DP, LE, aptX HD | 5.0, A2DP, LE | |
| Harmful irradiation |
SAR EU - 0.49 W/kg (head) 1.68 W/kg (body) |
Music and Audio
| Radio | No | FM radio, RDS, recording | |
| Headphone jack | Yes | Yes | |
| Others | - 24-bit/192kHz audio |
Other features
| Sensors | - Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | - Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | |
| Other extras |
- Fast charging 30W, 100% in 65 min -Reverse charging |
- Fast charging 15W |
Reviews and Opinions on Oppo K7x and Samsung Galaxy A31
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