Motorola IronRock (XT626) vs LG K40 (X420ZM)
Side by side comparison between Motorola IronRock vs LG K40 phones, differences, pros, cons and full specifications. What's the better?
,
4.3"
TFT
TFT
540x960
8
MP
MP
1.3mp
1GB
RAM
RAM
Single-core
1880
mAh
mAh
(Removable)
vs
5.7"
IPS
IPS
720x1440
16
MP
MP
8mp
2GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? LG K40 (X420ZM)
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!
2 Advantages 
26 Advantages | 11 Common items in both devices |
| 16 million |
| Only digital zoom |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Proximity sensor |
| +4 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 | ||
| Motorola IronRock (XT626) | LG K40 (X420ZM) | |
| Change model | ||
| Model | IronRock (XT626) | K40 (X420ZM) |
| Other model names | Nextel Motorola Iron Rock XT626, Motorola Double V | LG K40 LMX420ZM, LM-X420ZM, LG-LMX420ZM |
| Country or region available |    (Global, International), (Latin America), Brazil |  South Africa |
| Brand | Motorola | LG |
| Release date | 7/1/2012 | 3/31/2019 |
| Depth | 11 millimeters (0.43 inches) | 8.3 millimeters (0.33 inches) |
| Size (width x height) | 67 x 127.9 millimeters (2.64 x 5.04 in) | 71.9 x 153 millimeters (2.83 x 6.02 in) |
| Weight | 165 grams (5.78 ounces) | 150 grams (5.25 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Motorola IronRock (XT626) | LG K40 (X420ZM) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 4.3" inches | 5.7" inches |
| Screen-to-body ratio | ~59.5% (screen-to-body ratio) | ~76.2% (screen-to-body ratio) |
| Display resolution | 540x960 pixels | 720x1440 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 256 PPI | 282 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Motorola IronRock (XT626) | LG K40 (X420ZM) | |
| System version | Android 2.3.6 Gingerbread | Android 8.1 Oreo |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Motorola IronRock (XT626) | LG K40 (X420ZM) | |
| Chipset | 32bit: Qualcomm Snapdragon S2 MSM8255T (45nm) | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Single-core, 1 processor: 1x 1.2GHz Scorpion (Single-core) | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 205 | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Motorola IronRock (XT626) | LG K40 (X420ZM) | |
| RAM memory | 1GB LPDDR2 | 2GB LPDDR3 |
| Internal storage | 4GB (1GB available) | 32GB (20GB available) eMMC 5.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Motorola IronRock (XT626) | LG K40 (X420ZM) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 7.2/5.76 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Dual-Band 800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat6 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38, 40) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | iDEN 800 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | iDEN | Not supported |
📷 Camera | ||
| Motorola IronRock (XT626) | LG K40 (X420ZM) | |
| Back camera (main camera) | 8 megapixels | 16 megapixels |
| Main camera resolution | 3264x2448 pixels | 4608x3456 pixels |
| Video recording (primary) | HD (1280x720) | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash on both cameras |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/3" inches |
| Pixel size | feature not registered | 1µm pixel |
| Autofocus | Not supported | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | Not supported | 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 | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Motorola IronRock (XT626) | LG K40 (X420ZM) | |
| Front camera (secondary) | 1.3 megapixels | 8 megapixels |
| Front camera resolution | 1280x1024 pixels | 3264x2448 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| 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 | ||
| Motorola IronRock (XT626) | LG K40 (X420ZM) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, AAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Motorola IronRock (XT626) | LG K40 (X420ZM) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro HDMI Type D | Not supported |
| Bluetooth | 2.1 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Motorola IronRock (XT626) | LG K40 (X420ZM) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Fingerprint sensor (rear-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Motorola IronRock (XT626) | LG K40 (X420ZM) | |
| Battery type | Li-Ion: lithium-ion (Removable) BF6X | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 1880 mAh | 3000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 4 hours | 8 hours |
| Standby | 192 hours (8 days) | 100 hours (4.2 days) |
➕ Other features | ||
| Motorola IronRock (XT626) | LG K40 (X420ZM) | |
| Call control | 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, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • 2GB or 8GB microSD included • Quickoffice • Push-to-Talk (PTT) • HAC M3/T3 • VPN IPSec • Digital compass • WiFi hotspot • Java framework | • Colors: Black, Moroccan Blue, Platinum Gray • 18:9 ratio FullVision display • LED notification • DTS-X Surround sound |
☢️ Radiation rate | ||
| Motorola IronRock (XT626) | LG K40 (X420ZM) | |
| 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 |