Asus Zenfone 8 (128GB/6GB) vs Realme 8i (64GB)
Side by side comparison between Asus Zenfone 8 vs Realme 8i phones, differences, pros, cons and full specifications. What's the better?
,
5.9"
AMOLED
AMOLED
1080x2400
64
MP
MP
12mp
6GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
6.6"
IPS
IPS
1080x2412
50
MP
MP
16mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone 8 (128GB/6GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
25 Advantages 
6 Advantages | 22 Common items in both devices |
| 120Hz |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| HDR photo/video on both cameras / HDR photo on both cameras |
| f/1.8 (aperture) |
| +15 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Asus Zenfone 8 (128GB/6GB) | Realme 8i (64GB) | |
| Model | Zenfone 8 (128GB/6GB) | Realme 8i (64GB) |
| Other model names | Asus Zenfone 8 (ZS590KS, ZS590KS-2A007EU) | Realme 8i RMX3151 (64GB+4GB RAM) |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Asus | Realme |
| Release date | 5/13/2021, Announced: 5/12/2021 | 9/14/2021, Announced: 9/9/2021 |
| Depth | 8.9 millimeters (0.35 inches) | 8.5 millimeters (0.33 inches) |
| Size (width x height) | 68.5 x 148 millimeters (2.7 x 5.83 in) | 75.5 x 164.1 millimeters (2.97 x 6.46 in) |
| Weight | 169 grams (5.92 ounces) | 194 grams (6.79 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| Asus Zenfone 8 (128GB/6GB) | Realme 8i (64GB) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 5.9" inches | 6.6" inches |
| Screen-to-body ratio | ~82.9% (screen-to-body ratio) | ~84.6% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x2412 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 446 PPI | 400 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Not supported |
| Refresh rate | 120Hz | 120Hz |
| Display features | 700nits[typ], 1100nits[peak] HDR10+ Always-On Display | 600nits[peak] |
🤖 Operating System | ||
| Asus Zenfone 8 (128GB/6GB) | Realme 8i (64GB) | |
| System version | Android 11 | Android 11 |
| Firmware update | Android 13 | feature not registered |
| User Interface | ZenUI 8 / 9 / 10 | Realme UI 2.0 |
⚙️ Processor | ||
| Asus Zenfone 8 (128GB/6GB) | Realme 8i (64GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) | 64bit: MediaTek Helio G96 (12nm) |
| CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) | Octa-core, 2 processors: 2x 2.05GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 660 (840MHz) | ARM Mali-G57 MC2 (850MHz) |
| Performance (benchmark) | AnTuTu: 676001 (v8), 799738 (v9) Geekbench: 3604 (v5.1) GFXBench: 61fps (ES 3.1 onscreen) | AnTuTu: 350000 (v9) |
💽 Memory and storage | ||
| Asus Zenfone 8 (128GB/6GB) | Realme 8i (64GB) | |
| RAM memory | 6GB LPDDR5 | 4GB LPDDR4X |
| Internal storage | 128GB (107GB available) UFS 3.1 | 64GB (43GB available) UFS 2.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone 8 (128GB/6GB) | Realme 8i (64GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 400/150 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 800/850/900/1700/1900/2100 | UMTS 850/900/2100 |
| Primary 4G network | LTE Cat20 VoLTE America version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 30, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42) Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) | LTE Cat13 (1, 3, 5, 8) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | America version: SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 25, 38, 40, 66, 71, 77, 78) Global version: SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 800/850/900/1700/1900/2100 | UMTS 850/900/2100 |
| Secondary 4G network | LTE Cat20 VoLTE America version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 30, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42) Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) | LTE Cat13 (1, 3, 5, 8) TD-LTE (38, 40, 41) VoLTE |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Asus Zenfone 8 (128GB/6GB) | Realme 8i (64GB) | |
| Back camera (main camera) | (dual camera) 64 megapixels 12MP ultrawide f/2.2112°14mm1/2.55"1.4µmPDAF | (triple camera) 50 megapixels 2MP macro f/2.4 2MP depth f/2.4 |
| Main camera resolution | 10120x6328 pixels | 8160x6120 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/1.73" inches | 1/2.76" inches |
| Pixel size | 0.8µm pixel | 0.64µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (4-axis): Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | HDR photo on both cameras |
| Camera extras | 4K@120fps 1080p@240fps 720p@480fps | feature not registered |
📸 Front camera | ||
| Asus Zenfone 8 (128GB/6GB) | Realme 8i (64GB) | |
| Front camera (secondary) | 12 megapixels | 16 megapixels |
| Front camera resolution | 4000x3000 pixels | 4608x3456 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.5 (aperture) | f/2.1 (aperture) |
| Focal length | 28mm lens | feature not registered |
| Sensor size | 1/2.93" inches | 1/3" inches |
| Pixel size | 1.22µm pixel | 1µm pixel |
🔉 Sound and multimedia | ||
| Asus Zenfone 8 (128GB/6GB) | Realme 8i (64GB) | |
| Loudspeaker | Stereo sound 32-bit/384kHz | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenfone 8 (128GB/6GB) | Realme 8i (64GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.2 + A2DP/LE | 5.1 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone 8 (128GB/6GB) | Realme 8i (64GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 8 (128GB/6GB) | Realme 8i (64GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4000 mAh | 5000 mAh |
| Charger, watts | 30W Wired fast charging 5W Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 | 18W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus Zenfone 8 (128GB/6GB) | Realme 8i (64GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Obsidian Black, Horizon Silver | • Colors: Space Black, Space Purple • Screen film protector • Case protector |
☢️ Radiation rate | ||
| Asus Zenfone 8 (128GB/6GB) | Realme 8i (64GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |