CAT S61 (Dual-sim) vs Realme 8 Pro (128GB/8GB)
Side by side comparison between CAT S61 vs Realme 8 Pro phones, differences, pros, cons and full specifications. What's the better?
,
5.2"
IPS
IPS
1080x1920
16
MP
MP
8mp
4GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
vs
6.4"
AMOLED
AMOLED
1080x2400
108
MP
MP
16mp
8GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? Realme 8 Pro (128GB/8GB)
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!
10 Advantages 
17 Advantages | 23 Common items in both devices |
| 60Hz |
| 16 million |
| Only digital zoom |
| PDAF on back camera and autofocus front camera / PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| 4K UHD (3840x2160) |
| (front) Full HD (1920x1080) |
| +16 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 | ||
| CAT S61 (Dual-sim) | Realme 8 Pro (128GB/8GB) | |
| Model | S61 (Dual-sim) | Realme 8 Pro (128GB/8GB) |
| Other model names | Caterpillar S61, CAT S61 Dual-sim | Realme 8 Pro RMX3081 (128GB + 8GB RAM) |
| Country or region available |  (Global, International) |   Brazil, India |
| Brand | CAT | Realme |
| Release date | 2/22/2018 | 3/24/2021 |
| Depth | 13 millimeters (0.51 inches) | 8.1 millimeters (0.32 inches) |
| Size (width x height) | 76 x 150 millimeters (2.99 x 5.91 in) | 73.9 x 160.6 millimeters (2.91 x 6.32 in) |
| Weight | 163 grams (5.71 ounces) | 176 grams (6.16 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Plastic body, glass front |
| Protection against water and others | IP68 certified: dust/waterproof over 1.5 meters and 30min. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | Not supported |
📲 Display | ||
| CAT S61 (Dual-sim) | Realme 8 Pro (128GB/8GB) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 5.2" inches | 6.4" inches |
| Screen-to-body ratio | ~65.4% (screen-to-body ratio) | ~83.3% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels (16:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 424 PPI | 411 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | 430nits[typ], 1000nits[peak] |
🤖 Operating System | ||
| CAT S61 (Dual-sim) | Realme 8 Pro (128GB/8GB) | |
| System version | Android 8.0 Oreo | Android 11 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| CAT S61 (Dual-sim) | Realme 8 Pro (128GB/8GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 630 SDM630 (14nm) | 64bit: Qualcomm Snapdragon 720G SM7125 (8nm) |
| CPU | Octa-core, 2 processors: 4x 2.2GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 2x 2.3GHz Kryo 465 Gold (Dual-core) 6x 1.8GHz Kryo 465 Silver (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 508 650Mhz | Qualcomm Adreno 618 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| CAT S61 (Dual-sim) | Realme 8 Pro (128GB/8GB) | |
| RAM memory | 4GB LPDDR4 | 8GB LPDDR4X |
| Internal storage | 64GB (54GB available) eMMC 5.1 | 128GB (104GB available) UFS 2.1 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| CAT S61 (Dual-sim) | Realme 8 Pro (128GB/8GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | 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 | 600/150 Mbps | 300/150 Mbps |
| Network technology | 2G, 3G, 4G | 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 850/900/1700/1900/2100 | UMTS 850/900/2100 |
| Primary 4G network | LTE Cat12 Global version: LTE (1, 2, 3, 5, 7, 8, 19, 20, 26, 28) TD-LTE (38, 39, 40, 41) USA version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 25, 26, 28, 29, 66) | LTE Cat6 (1, 3, 5, 8) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | 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 | Not supported | UMTS 850/900/2100 |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
📷 Camera | ||
| CAT S61 (Dual-sim) | Realme 8 Pro (128GB/8GB) | |
| Back camera (main camera) | 16 megapixels | (quad camera) 108 megapixels 8MP ultrawide f/2.3119°16mm1/4"1.12µm 2MP macro f/2.4 2MP depth f/2.4 |
| Main camera resolution | 4608x3456 pixels | 12000x9000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | feature not registered | f/1.9 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/1.52" inches |
| Pixel size | feature not registered | 0.7µm pixel |
| Autofocus | PDAF on back camera and autofocus front camera | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| CAT S61 (Dual-sim) | Realme 8 Pro (128GB/8GB) | |
| Front camera (secondary) | 8 megapixels | 16 megapixels |
| Front camera resolution | 3264x2448 pixels | 4608x3456 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.5 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/3" inches |
| Pixel size | feature not registered | 1µm pixel |
🔉 Sound and multimedia | ||
| CAT S61 (Dual-sim) | Realme 8 Pro (128GB/8GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 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 | ||
| CAT S61 (Dual-sim) | Realme 8 Pro (128GB/8GB) | |
| USB | USB 2.0 Type-C reversible connector | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) 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 | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| CAT S61 (Dual-sim) | Realme 8 Pro (128GB/8GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| CAT S61 (Dual-sim) | Realme 8 Pro (128GB/8GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4500 mAh | 4500 mAh |
| Charger, watts | 18W Wired fast charging Quick Charge 4 | 50W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 35 hours (1.5 days) | feature not registered |
| Standby | 888 hours (37 days) | feature not registered |
➕ Other features | ||
| CAT S61 (Dual-sim) | Realme 8 Pro (128GB/8GB) | |
| Call control | Voice dialing, Voice recorder | 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: Black • FLIR Thermal Imaging back camera • Drop-to-concrete resistance up to 1.8 meters | • Colors: Infinite Black, Infinite Blue, Illuminating Yellow, Punk Black • Realme UI 2.0 • Back camera: Samsung HM2 sensor • Front camera: Sony IMX471 sensor • Stereo speakers • 24-bit/192kHz audio • Always-on display |
☢️ Radiation rate | ||
| CAT S61 (Dual-sim) | Realme 8 Pro (128GB/8GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.1W/kg (head), 0.53W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |