Phone Comparison - Realme 8 5G vs Samsung Galaxy Quantum 2 vs Asus Zenfone 8
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| Manufacturer | Realme | Samsung | Asus |
| Announced | 2021, April 22 | April 2021 | 2021, May 12 |
| Status | Coming soon. Exp. release 2021, May | Coming Soon - April 2021 | Available. Released 2021, May 13 |
| Colors | Supersonic Blue, Supersonic Black | Black, White, Violet | Obsidian Black, Horizon Silver |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
162.5 x 74.8 x 8.5 mm (6.4 x 2.94 x 0.33 in) |
161.9 x 73.8 x 8.1 mm (6.37 x 2.91 x 0.32 in) |
148 x 68.5 x 8.9 mm (5.83 x 2.7 x 0.35 in) |
| Weight | 185 g (6.53 oz) | 176 g (6.21 oz) | 169 g (5.96 oz) |
| SIM Type | Dual SIM (Nano-SIM, dual stand-by) | Nano-SIM | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 800 / 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66 | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66 | LTE |
| 5G Network | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA | 78 SA/NSA | SA/NSA |
| Messaging | |||
| Build Features | - Fingerprint Sensor (side-mounted) |
- Fingerprint Sensor(under display, optical) |
- Fingerprint Sensor |
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| OS | Android 11 | Android 11, One UI 3.1 | Android 11 |
| User Interface | Realme UI 2.0 | One UI 3.1 | ZenUI 8 |
| Processor | Octa-core (4x2.2 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55), MediaTek MT6833 Dimensity 700 5G (7 nm) | Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485), Qualcomm SM8150 Snapdragon 855+ (7 nm), QRNG security chipset | Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680), Qualcomm SM8350 Snapdragon 888 5G (5 nm) |
| GPU | Mali-G57 MC2 | Adreno 640 (700 MHz) | Adreno 660 |
| RAM | 8 GB | 6 GB | 16 GB |
| Internal Memory | 128 GB | 128 GB | 256 GB |
| External Memory | microSDXC (dedicated slot) | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
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| Type | FHD+ IPS LCD Screen 90Hz Refresh Rate 480 nits (typ), 600 nits |
QHD+ Dynamic AMOLED 2X Screen 120Hz Refresh Rate 1200 nits (peak) |
FHD+ Super AMOLED Screen 120Hz Refresh Rate HDR10+ 1100 nits (peak) |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.5 inches | 6.7 inches | 5.9 inches |
| Resolution | 1080 x 2400 pixels (405 ppi) | 1440 x 3200 pixels (524 ppi) | 1080 x 2400 pixels (446 ppi) |
| Screen-to-Body Ratio | 83.88% | 90.62% | 82.92% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Unspecified | No | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 48 MP + 2 MP + 2 MP | 64 MP + 12 MP + 5 MP | 64 MP + 12 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | 48 MP, f/1.8, 26mm (wide), PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, Panorama |
64 MP, f/1.8, 26mm (wide), 1/1.7X", 0.8µm, PDAF, OIS 12 MP, f/2.2, 123˚ (ultrawide), 1.12µm 5 MP, f/2.4, (macro) Panorama, HDR |
64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF, OIS 12 MP, f/2.2, 112˚, 14mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF HDR, Panorama |
| Video | 1080p@30fps | 4K@30fps, 1080p@30/60/240fps; gyro-EIS | 8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR |
| Front Camera |
16 MP, f/2.1, 26mm (wide) HDR 1080p@30fps [Similar] |
10 MP, f/2.2, (wide) HDR 1080p@30fps [Similar] |
12 MP, f/2.5, 28mm (standard), 1/2.93", 1.22µm, dual pixel PDAF Video 4K@30fps, 1080p@30/60fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE-A, 5G | HSPA 42.2/5.76 Mbps, LTE-A, 5G | HSPA 42.2/5.76 Mbps, LTE-A (CA) |
| Bluetooth | 5.1, A2DP, LE | 5.0, A2DP, LE | 5.0, A2DP, LE, aptX Adaptive |
| 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 | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot |
| USB | USB Type-C 2.0, USB On-The-Go | USB Type-C 2.0, USB On-The-Go | USB Type-C |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO, QZSS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with dual-band A-GPS, GLONASS, GALILEO, BDS, QZSS, NavIC |
| Browser | Yes | Yes | Yes |
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| Internal | 128 GB, 8 GB RAM or 128 GB, 4 GB RAM UFS 2.1 | 128 GB, 6 GB RAM | 256 GB, 16 GB RAM or 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM |
| Expandable Storage | microSDXC (dedicated slot) | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| USB OTG | Supported | Supported | Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| Magnetic-Field Sensor (Compass) | |
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| Gyroscope Sensor | |
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| NFC | |
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| Type | Non-removable Li-Po Battery Fast battery charging 18W |
Non-removable Li-Po Battery Fast battery charging 25W |
Non-removable Li-Po Battery Fast battery charging 30W USB Power Delivery 3.0 Reverse charging |
| Capacity | 5000 mAh | 4500 mAh | 4000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
