CAT S61 (Dual-sim) vs Blu G51 Plus
Side by side comparison between CAT S61 vs Blu G51 Plus 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
6.5"
IPS
IPS
720x1600
13
MP
MP
8mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? CAT S61 (Dual-sim)
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!
23 Advantages 
6 Advantages | 22 Common items in both devices |
| eMMC 5.1 |
| TFT IPS LCD |
| 60Hz |
| 16 million |
| Only digital zoom |
| PDAF on back camera and autofocus front camera / Autofocus |
| EIS: Digital stabilization |
| +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 | ||
| CAT S61 (Dual-sim) | Blu G51 Plus | |
| Model | S61 (Dual-sim) | G51 Plus |
| Other model names | Caterpillar S61, CAT S61 Dual-sim | BLU G51 Plus G0510WW |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | CAT | Blu |
| Release date | 2/22/2018 | 5/22/2021 |
| Depth | 13 millimeters (0.51 inches) | 9.3 millimeters (0.37 inches) |
| Size (width x height) | 76 x 150 millimeters (2.99 x 5.91 in) | 76.5 x 165 millimeters (3.01 x 6.5 in) |
| Weight | 163 grams (5.71 ounces) | 200 grams (7 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) | Blu G51 Plus | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 5.2" inches | 6.5" inches |
| Screen-to-body ratio | ~65.4% (screen-to-body ratio) | ~80.8% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels (16:9) | 720x1600 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 424 PPI | 270 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| CAT S61 (Dual-sim) | Blu G51 Plus | |
| 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) | Blu G51 Plus | |
| Chipset | 64bit: Qualcomm Snapdragon 630 SDM630 (14nm) | 64bit: Unisoc SC9863A (28nm) |
| 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: 4x 1.6GHz ARM Cortex-A55 (Quad-core) 4x 1.2GHz ARM Cortex-A55 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 508 650Mhz | PowerVR GE8322 MP2 (550MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| CAT S61 (Dual-sim) | Blu G51 Plus | |
| RAM memory | 4GB LPDDR4 | 3GB LPDDR3 |
| Internal storage | 64GB (54GB available) eMMC 5.1 | 64GB (48GB available) eMMC 5.1 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| CAT S61 (Dual-sim) | Blu G51 Plus | |
| 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 | 150/50 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 850/900/1700/1900/2100 |
| 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 Cat4 (1, 2, 3, 4, 5, 7, 12, 17, 28) |
| 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+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| CAT S61 (Dual-sim) | Blu G51 Plus | |
| Back camera (main camera) | 16 megapixels | (triple camera) 13 megapixels 0.3MP macro 0.3MP depth |
| Main camera resolution | 4608x3456 pixels | 4128x3096 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | PDAF on back camera and autofocus front camera | 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) | Blu G51 Plus | |
| Front camera (secondary) | 8 megapixels | 8 megapixels |
| Front camera resolution | 3264x2448 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| CAT S61 (Dual-sim) | Blu G51 Plus | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM | FM |
| 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) | Blu G51 Plus | |
| USB | USB 2.0 Type-C reversible connector | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| CAT S61 (Dual-sim) | Blu G51 Plus | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Face unlock Fingerprint sensor (rear-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| CAT S61 (Dual-sim) | Blu G51 Plus | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4500 mAh | 4000 mAh |
| Charger, watts | 18W Wired fast charging Quick Charge 4 | 10W (5V/2A) Wired 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) | Blu G51 Plus | |
| 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: Black, Blue, Green, Red • Screen protector included • Rugged case included |
☢️ Radiation rate | ||
| CAT S61 (Dual-sim) | Blu G51 Plus | |
| 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 |