LG K4 vs LG Optimus LTE SU640
Side-by-side specs and price comparison for buyers in Algeria.
LG K4
Price coming soon
LG Optimus LTE SU640
Price coming soon
Quick Verdict
Who wins each category, side by side.
Better price
Even
Faster chip
Even
Bigger battery
LG K4
Faster charging
Even
Higher-resolution camera
LG Optimus LTE SU640
Better display
LG Optimus LTE SU640
Lighter body
LG K4
Best value for money
Even
Full specs comparison
Display
| Spec | LG K4 | LG Optimus LTE SU640 |
|---|---|---|
| Size (inches) | 4.5 | 4.5 |
| Panel Type | IPS LCD | IPS LCD |
| Resolution Height | 854 | 1280 |
| Resolution Width | 480 | 720 |
| PPI | 218 | 326 |
| Screen-to-body | 63.4 | 61.9 |
Platform
| Spec | LG K4 | LG Optimus LTE SU640 |
|---|---|---|
| CPU | Quad-core 1.0 GHz Cortex-A53 - K120E, K130EQuad-core 1.1 GHz Cortex-A7 - K121 | Dual-core 1.5 GHz Scorpion |
| GPU | Mali-T720MP2 - K120E, K130EAdreno 304 - K121 | Adreno 220 |
| Chipset Name | - K120E, K130EQualcomm MSM8909 Snapdragon 210 - K121 | Qualcomm MSM8660 Snapdragon S3 |
| Process (nm) | 28 | — |
| OS Name | Android | Android |
| OS Version | 5.1.1 | 2.3.5 |
Memory
| Spec | LG K4 | LG Optimus LTE SU640 |
|---|---|---|
| Card Slot | microSDHC (dedicated slot) | microSDHC (dedicated slot), 16 GB included |
| Variants | 8GB 1GB RAM | 4GB 1GB RAM |
Main Camera
| Spec | LG K4 | LG Optimus LTE SU640 |
|---|---|---|
| Video | 720p@30fps | 1080p@30fps |
| Features | LED flash | LED flash |
| Count | 1 | 1 |
| Lens | 5 MP, f/2.8 | 8 MP |
Selfie Camera
| Spec | LG K4 | LG Optimus LTE SU640 |
|---|---|---|
| Count | 1 | 1 |
| Lens | 2 MP, f/2.8 | 1.3 MP |
Battery
| Spec | LG K4 | LG Optimus LTE SU640 |
|---|---|---|
| Capacity (mAh) | 1940 | 1830 |
| Chemistry | Li-Ion | — |
| stand by | Up to 510 h (2G) / Up to 500 h (3G) | Up to 400 h |
| talk time | Up to 20 h (2G) / Up to 9 h (3G) | Up to 7 h |
Body
| Spec | LG K4 | LG Optimus LTE SU640 |
|---|---|---|
| SIM | Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by) | Mini-SIM |
| Height (mm) | 131.9 | 132.9 |
| Thickness (mm) | 8.9 | 10.4 |
| Weight (g) | 120 | 135 |
| Width (mm) | 66.7 | 67.9 |
Launch
| Spec | LG K4 | LG Optimus LTE SU640 |
|---|---|---|
| Announced | 2016, January. Released 2016, February | 2011, October. Released 2012, August |
| Status | Discontinued | Discontinued |
Network
| Spec | LG K4 | LG Optimus LTE SU640 |
|---|---|---|
| 2G Bands | GSM 850, 900, 1800, 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850, 900, 1800, 1900 |
| 3G Bands | HSDPA 850, 900, 2100 - K130E | HSDPA 850, 1900 |
| 4G Bands | 1, 3, 7, 8, 20 - K120E | LTE 800 |
| Speed | HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA, LTE |
| Technology | GSM, HSPA, LTE | GSM, HSPA, LTE |
Connectivity
| Spec | LG K4 | LG Optimus LTE SU640 |
|---|---|---|
| Bluetooth | 4.1 | 3 |
| NFC | No | — |
| Positioning | GPS, GLONASS | GPS, A-GPS |
| Radio | FM radio, RDS | No |
| USB Version | 2.0 | 2.0 |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
Sound
| Spec | LG K4 | LG Optimus LTE SU640 |
|---|---|---|
| 3.5mm Jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
Features
| Spec | LG K4 | LG Optimus LTE SU640 |
|---|---|---|
| Sensors | Accelerometer, proximity | Accelerometer, gyro, proximity, compass |
Buying advice for Algeria
Both LG K4 and LG Optimus LTE SU640 are sold in Algeria, but they fit different priorities.
LG K4 packs a 1940 mAh battery, which translates to longer screen-on time when you are away from a charger.
LG Optimus LTE SU640 reaches a higher main-sensor resolution at 8 MP, which helps with crops and lower-light photos.
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