Detailed comparison and review of Sony XPERIA XA2 Ultra and LG K51S. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Sony XPERIA XA2 Ultra | LG K51S |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | H4213 | LM-K510EMW | |
| Form Factor | Touch | Touch | |
| Height | 163 mm | 165.2 mm | LG K51S has greater height than Sony XPERIA XA2 Ultra. |
| Width | 80 mm | 76.7 mm | Sony XPERIA XA2 Ultra has greater width than LG K51S. |
| Depth | 9.5 mm | 8.26 mm | LG K51S is narrower than Sony XPERIA XA2 Ultra. |
| Weight | 221 g | 194 g | LG K51S is lighter than Sony XPERIA XA2 Ultra. |
| Body Colour | Black | Pink | Titan | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.12 W/kg (body), 0.41 W/kg (head) | 1.335 W/kg (body), 0.501 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Sony XPERIA XA2 Ultra | LG K51S |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | LTPS TFT | IPS | |
| Screen Size (Display Size) | 6" | 6.55" | LG K51S has larger screen size than Sony XPERIA XA2 Ultra. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | Sony XPERIA XA2 Ultra has better screen resolution than LG K51S. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 367 ppi | 268 ppi | Sony XPERIA XA2 Ultra has better pixel density than LG K51S. |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 500 cd/m² | 400 cd/m² | Sony XPERIA XA2 Ultra has better display brightness than LG K51S. |
| Colour Depth | 16.7 million colours | - | |
| Display Features | 2.5D curved glass, Image Enhance Technology | Reading mode, FullVision display, night mode, hole in display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | Tempered glass |
| PROCESSOR | Sony XPERIA XA2 Ultra | LG K51S |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 630 | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6765 | |
| Clock Speed | - | 2.3 GHz | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 508 | IMG PowerVR GE8320 |
| MEMORY | Sony XPERIA XA2 Ultra | LG K51S |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | 3 GB | Sony XPERIA XA2 Ultra has more RAM than LG K51S. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | LG K51S has more internal memory than Sony XPERIA XA2 Ultra. |
| User Memory | 24 GB | 50.2 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | Sony XPERIA XA2 Ultra | LG K51S |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 23 Megapixel | 32 Megapixel | LG K51S has better camera resolution than Sony XPERIA XA2 Ultra. |
| Sensor Size | 1/2.3" | - | |
| Sensor Name | Sony Exmor RS sensor | - | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/2.0 | F/1.8 | LG K51S has better lens aperture than Sony XPERIA XA2 Ultra. |
| Field of View (FoV) | - | 76.3 degree(s) | |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | 120 mm | 24 mm | |
| Optical Zoom | 5x | - | |
| Digital Zoom | - | 8x | |
| Self-Timer Delay | - | Yes | |
| Special Effects | - | HDR | |
| Camera Modes | Slow motion video, SteadyShot, low-light shots | Burst mode, portrait mode, Flowers, Animals, Food, Person, Sunset, Sunrise, City, Landscape | |
| Face Recognition (Face ID) | - | Face detection | LG K51S has face detection. |
| White Balance | - | Automatic | |
| Light Source | LED light | LED flash | |
| Video Resolutions | 3840 x 2160 (4K), 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Quick Launch, Quick Capture, Hybrid Auto focus, Touch Capture, Stereo Audio Recording, geotagging, 5x Clear Image Zoom | Phase Detect Auto-Focus (PDAF), geotagging, Big Pixels technology, Quad Pixel technology |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Super wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 115 degree(s) | |
| Minimum Focal Length (2nd Camera) | - | 16 mm |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Field of View (3rd Camera) | - | 88.9 degree(s) | |
| Camera Functions (3rd Camera) | - | Depth camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Field of View (4th Camera) | - | 88.6 degree(s) | |
| Camera Functions (4th Camera) | - | Macro camera | |
| Camera Features (4th Camera) | - | 4cm macro photography |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 13 Megapixel | Sony XPERIA XA2 Ultra has better front camera resolution than LG K51S. |
| Sensor Size (Front) | 1/2.6" | - | |
| Sensor Name (Front) | Sony Exmor RS sensor | - | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.0 | - | |
| Focus Adjustment | Automatic | - | |
| Camera Modes (Front) | SteadyShot | Gesture Shot, Selfie portrait | |
| Face Recognition (Face ID) | - | Face detection | LG K51S has face detection. |
| Light Source (Front) | LED light | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps | - | |
| Camera Features (Front) | Optical Image Stabilisation (OIS), self-timer | 17 filters |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | 8 Megapixel | - | |
|---|---|---|---|
| Sensor Name (2nd Front) | Sony Exmor R sensor | - | |
| Lens Aperture (2nd Front) | F/2.4 | - | |
| Camera Features (2nd Front) | Wide-angle lens | - |
| BATTERY AND CHARGING | Sony XPERIA XA2 Ultra | LG K51S |
|---|
| Battery Capacity (Battery Size) | 3580 mAh | 4000 mAh | LG K51S has larger battery capacity than Sony XPERIA XA2 Ultra. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | - | Sony XPERIA XA2 Ultra has fast charging technology. |
| Standby Time | 707 hours | 100 hours | Sony XPERIA XA2 Ultra has longer standby time than LG K51S. |
| Talk Time | 2460 minutes | 480 minutes | Sony XPERIA XA2 Ultra has longer battery life when making calls than LG K51S. |
| Run Time Details | Talk (GSM): up to 2460 min Standby (dual SIM GSM+WCDMA): up to 686 hrs Talk (3G): up to 1920 min Standby (dual SIM GSM+LTE): up to 678 hrs Standby (dual SIM WCDMA+LTE): up to 707 hrs Playback (MP3 (via headset)): up to 118 hrs Playback (Full HD video (H.264)): up to 24 hrs |
Talk: up to 480 min Standby: up to 100 hrs |
|
| Battery Technology | Lithium Ion | Lithium Ion |
| CELLULAR | Sony XPERIA XA2 Ultra | LG K51S |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 8.0 Oreo | Android 9.0 Pie | |
| User Interface | - | LG UX 9 | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS | GPS |
| COMMUNICATIONS | Sony XPERIA XA2 Ultra | LG K51S |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | - | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | - | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38 | Band 1, Band 3, Band 7, Band 8, Band 20, Band 38 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 BLE | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, SPP, GAP, A2DP, AVRCP, HID, SAP, AVCTP, BNEP, GAVDP, PBAP, MAP, DIP, RFCOMM, GATT, HOGP, AVDP | HFP, HSP, OPP, PAN, SPP, GOEP, A2DP, AVRCP, HID, SAP, GAVDP, PBAP, MAP, GATT, HDP, HOGP, ScPP | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| WLAN Security | WEP, WPA, WPA2, TKIP, AES, EAP SIM, EAP-TTLS/MSCHAPv2, EAP-AKA, EAP-TLS, PEAPv0/EAP-MSCHAPv2, PEAPv1/EAP-GTC | - | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Sony XPERIA XA2 Ultra | LG K51S |
|---|
| Supported Digital Audio Standards | WAV, AAC, MPEG 1 Audio, MPEG 2 Audio, MPEG 2.5 Audio, Ogg Vorbis, MP3, FLAC, AAC-LC, AAC +, OGG, eAAC+, MIDI, MPEG1 Layer3, apt-X, OTA, MP4, AMR-WB, AMR-NB, 3GPP, apt-X HD, SMF | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, 3GP, H.264, H.263, WebM, VP8, VP9, 3GPP, H.264 MP, H.264 HP, H.265 Main | MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4 | |
| Sound Enhancements | Clear Audio+, Clear Bass, Surround sound (VPT) | DTS: X 3D Surround Sound |
| FEATURES | Sony XPERIA XA2 Ultra | LG K51S |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, pedometer, digital compass, magnetometer, motion sensor, geomagnetic sensor, Significant motion detector | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | TTY compatible, Text-to-Speech (text recognition), intelligent typing (SWIFTKEY), intelligent typing (Gesture), Wi-Fi Miracast, Screen mirroring, Wi-Fi Passpoint, Alarm Clock, handwriting recognition, Noise suppression, Qnovo Adaptive Charging, Battery Care, Smart Stamina, STAMINA Mode | DLNA Certified, Dual microphones, KnockON, QuickMemo+ function, Mini View function, Capture+, EasyHome, Clip Tray, Google Lens, AI Cam, Game Tools, Google Assistant Button | |
| Android Enterprise Recommended | Yes | - |
| OTHERS | Sony XPERIA XA2 Ultra | LG K51S |
|---|
| Included Accessories | Headset, power adapter, USB-C cable | Power adapter, SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | HAC (Hearing Aid Compatible) | MIL-STD 810G |
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