CAT S61 (Single-sim) vs Blu Studio 5.3 II (D540)
Side by side comparison between CAT S61 vs Blu Studio 5.3 II 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
5.3"
IPS
IPS
540x960
8
MP
MP
2mp
512MB
RAM
RAM
Dual-core
2200
mAh
mAh
(Removable)
What's the better phone? CAT S61 (Single-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!
21 Advantages 
3 Advantages | 21 Common items in both devices |
| TFT IPS LCD |
| 16 million |
| Dual-LED flash |
| Only digital zoom |
| PDAF on back camera and autofocus front camera / Autofocus |
| Capacitive |
| Multitouch |
| +14 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 (Single-sim) | Blu Studio 5.3 II (D540) | |
| Model | S61 (Single-sim) | Studio 5.3 II (D540) |
| Other model names | Caterpillar S61, CAT S61 Single-sim | BLU Studio 5.3 2 D540i, Blu Studio 5.3 II D540a |
| Country or region available |  South Africa | feature not registered |
| Brand | CAT | Blu |
| Release date | 2/22/2018 | 2/1/2013 |
| Depth | 13 millimeters (0.51 inches) | 10.8 millimeters (0.43 inches) |
| Size (width x height) | 76 x 150 millimeters (2.99 x 5.91 in) | 77 x 150 millimeters (3.03 x 5.91 in) |
| Weight | 163 grams (5.71 ounces) | 210 grams (7.35 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | feature not registered |
| 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 (Single-sim) | Blu Studio 5.3 II (D540) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 5.2" inches | 5.3" inches |
| Screen-to-body ratio | ~65.4% (screen-to-body ratio) | ~67% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels (16:9) | 540x960 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 424 PPI | 208 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| CAT S61 (Single-sim) | Blu Studio 5.3 II (D540) | |
| System version | Android 8.0 Oreo | Android 4.1.2 Jelly Bean |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| CAT S61 (Single-sim) | Blu Studio 5.3 II (D540) | |
| Chipset | 64bit: Qualcomm Snapdragon 630 SDM630 (14nm) | 32bit: MediaTek MT6577 |
| CPU | Octa-core, 2 processors: 4x 2.2GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 508 650Mhz | PowerVR SGX531 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| CAT S61 (Single-sim) | Blu Studio 5.3 II (D540) | |
| RAM memory | 4GB LPDDR4 | 512MB LPDDR2 |
| Internal storage | 64GB (54GB available) eMMC 5.1 | 4GB (2GB available) |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| CAT S61 (Single-sim) | Blu Studio 5.3 II (D540) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 600/150 Mbps | 7.2/5.76 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| 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 D540a: 850/1900 - D540i: 850/2100 |
| Primary 4G network | LTE Cat12 (1, 2, 3, 5, 7, 8, 19, 20, 26, 28) TD-LTE (38, 39, 40, 41) | Not supported |
| 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 |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| CAT S61 (Single-sim) | Blu Studio 5.3 II (D540) | |
| Back camera (main camera) | 16 megapixels | 8 megapixels |
| Main camera resolution | 4608x3456 pixels | 3264x2448 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | HD (1280x720) 30 fps |
| Flash | Dual-LED flash | Dual-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 | feature not registered |
| 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 | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| CAT S61 (Single-sim) | Blu Studio 5.3 II (D540) | |
| Front camera (secondary) | 8 megapixels | 2 megapixels |
| Front camera resolution | 3264x2448 pixels | 1600x1200 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| 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 (Single-sim) | Blu Studio 5.3 II (D540) | |
| 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, DivX, XviD, H.263, H.264, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, AAC |
🔌 Connectivity | ||
| CAT S61 (Single-sim) | Blu Studio 5.3 II (D540) | |
| 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 | 3.0 |
| 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 | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| CAT S61 (Single-sim) | Blu Studio 5.3 II (D540) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| CAT S61 (Single-sim) | Blu Studio 5.3 II (D540) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) C766205220T |
| Battery capacity | 4500 mAh | 2200 mAh |
| Charger, watts | 18W Wired fast charging Quick Charge 4 | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 35 hours (1.5 days) | 14 hours |
| Standby | 888 hours (37 days) | 820 hours (34.2 days) |
➕ Other features | ||
| CAT S61 (Single-sim) | Blu Studio 5.3 II (D540) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| 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, Flash player |
| 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, White Java framework |
☢️ Radiation rate | ||
| CAT S61 (Single-sim) | Blu Studio 5.3 II (D540) | |
| 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 |