CAT B15 vs Xiaomi Poco F4 (128GB/8GB)
Side by side comparison between CAT B15 vs Xiaomi Poco F4 phones, differences, pros, cons and full specifications. What's the better?
,
4"
TFT
TFT
480x800
5
MP
MP
0.3mp
512MB
RAM
RAM
Dual-core
2000
mAh
mAh
(Removable)
vs
6.67"
AMOLED
AMOLED
1080x2400
64
MP
MP
20mp
8GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Poco F4 (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!
5 Advantages 
31 Advantages | 14 Common items in both devices |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Proximity sensor |
| +7 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 B15 | Xiaomi Poco F4 (128GB/8GB) | |
| Change model | ||
| Model | CAT B15 | Poco F4 (128GB/8GB) |
| Other model names | Caterpillar B15 Dual-sim | POCO F4 5G (128GB+8GB RAM) |
| Country or region available |  (Global, International) |  India |
| Brand | CAT | Xiaomi |
| Release date | 3/1/2013 | 6/27/2022, Announced: 6/23/2022 |
| Depth | 15 millimeters (0.59 inches) | 7.7 millimeters (0.3 inches) |
| Size (width x height) | 69.5 x 125 millimeters (2.74 x 4.92 in) | 75.95 x 163.2 millimeters (2.99 x 6.43 in) |
| Weight | 170 grams (5.95 ounces) | 195 grams (6.83 ounces) |
| Build, materials | feature not registered | Aluminum frame, glass front/back |
| Protection against water and others | IP67 certified: dust proof and waterproof over 1 meter and 30min. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | IP53 certified: protection against dust and splashing |
📲 Display | ||
| CAT B15 | Xiaomi Poco F4 (128GB/8GB) | |
| Display type | TFT LCD | AMOLED |
| Screen size | 4" inches | 6.67" inches |
| Screen-to-body ratio | ~52.4% (screen-to-body ratio) | ~86.7% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 2-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 395 PPI |
| Colors | 16 million | 1 billion |
| Scratch-resistant glass | Gorilla Glass | Gorilla Glass 5 |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 900nits[typ], 1300nits[peak] Dolby Vision/HDR10+ 100% DCI-P3 |
🤖 Operating System | ||
| CAT B15 | Xiaomi Poco F4 (128GB/8GB) | |
| System version | Android 4.1.2 Jelly Bean | Android 12 |
| Firmware update | feature not registered | Android 13 |
| User Interface | feature not registered | MIUI 13 / 14 |
⚙️ Processor | ||
| CAT B15 | Xiaomi Poco F4 (128GB/8GB) | |
| Chipset | 32bit: MediaTek MT6577 | 64bit: Qualcomm Snapdragon 870 (SM8250-AC) (7nm) |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) | Octa-core, 3 processors: 1x 3.2GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) |
| GPU graphical controller | PowerVR SGX531T | Qualcomm Adreno 650 (670MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| CAT B15 | Xiaomi Poco F4 (128GB/8GB) | |
| RAM memory | 512MB LPDDR2 | 8GB LPDDR5 |
| Internal storage | 4GB (2.49GB available) | 128GB (101GB available) UFS 3.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| CAT B15 | Xiaomi Poco F4 (128GB/8GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 7.2/5.76 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G | 2G, 3G, 4G, 5G |
| 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 | Latin America model: UMTS 850/1900 Europe/Africa model: UMTS 900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (38, 40, 41) India version: LTE (1, 3, 5, 8) TD-LTE (40, 41) |
| Primary 5G network | Not supported | Global version: SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78) India version: SA/NSA (1, 3, 5, 8, 28, 38, 40, 41, 77, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (38, 40, 41) India version: LTE (1, 3, 5, 8) TD-LTE (40, 41) |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| CAT B15 | Xiaomi Poco F4 (128GB/8GB) | |
| Back camera (main camera) | 5 megapixels | (triple camera) 64 megapixels 8MP ultrawide f/2.2119°1/4"1.12µm 2MP macro f/2.4 |
| Main camera resolution | 2592x1944 pixels | 10120x6328 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/2" inches |
| Pixel size | feature not registered | 0.7µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | 1080p@60fps |
📸 Front camera | ||
| CAT B15 | Xiaomi Poco F4 (128GB/8GB) | |
| Front camera (secondary) | 0.3 megapixels | 20 megapixels |
| Front camera resolution | 640x480 pixels | 5184x3840 pixels |
| Video recording (secondary) | VGA (640x480) | 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 | 1/3.06" inches |
| Pixel size | feature not registered | 1µm pixel |
🔉 Sound and multimedia | ||
| CAT B15 | Xiaomi Poco F4 (128GB/8GB) | |
| Loudspeaker | Supported | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| CAT B15 | Xiaomi Poco F4 (128GB/8GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 3.0 + A2DP | 5.2 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| CAT B15 | Xiaomi Poco F4 (128GB/8GB) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| CAT B15 | Xiaomi Poco F4 (128GB/8GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 2000 mAh | 4500 mAh |
| Charger, watts | Wired charging | 67W Wired fast charging Reverse charging by cable Quick Charge 3+ USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 16 hours | feature not registered |
| Standby | 456 hours (19 days) | feature not registered |
➕ Other features | ||
| CAT B15 | Xiaomi Poco F4 (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 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • WiFi hotspot • Drop to concrete resistance from up to 1.8m • IP67 certified: dust and waterproof up to 1m for 30min • MIL-STD-810G certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant • Java framework | • Colors: Moonlight Silver, Night Black, Nebula Green |
☢️ Radiation rate | ||
| CAT B15 | Xiaomi Poco F4 (128GB/8GB) | |
| 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 |