Detailed comparison and review of Sony XPERIA X and ASUS ZenFone 4 (ZE554KL). 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 X | ASUS ZenFone 4 (ZE554KL) |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | F5121 | ZE554KL | |
Form Factor | Touch | Touch | |
Height | 143 mm | 155.36 mm | ASUS ZenFone 4 (ZE554KL) has greater height than Sony XPERIA X. |
Width | 69 mm | 75.24 mm | ASUS ZenFone 4 (ZE554KL) has greater width than Sony XPERIA X. |
Depth | 7.7 mm | 7.7 mm | Both phones are the same depth. |
Weight | 152 g | 165 g | Sony XPERIA X is lighter than Sony XPERIA X. |
Body Colour | White | Lime gold | Rose gold | Graphite black | Midnight black | Moonlight white | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 1.23 W/kg (body), 0.72 W/kg (head) | 1.48 W/kg (body), 1.42 W/kg (head) | |
Integrated Components | FM radio | FM radio | |
Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
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SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | - | Dual-SIM | |
SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
DISPLAY | Sony XPERIA X | ASUS ZenFone 4 (ZE554KL) |
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Display Type | LCD display | LCD display | |
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Display Technology | IPS | Super IPS+ | |
Screen Size (Display Size) | 5" | 5.5" | ASUS ZenFone 4 (ZE554KL) has larger screen size than Sony XPERIA X. |
Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1920 x 1080 pixels | Both phones have the same screen resolution. |
Display Format | Full HD | Full HD | |
Max Brightness | - | 600 cd/m² | |
Colour Depth | 16.7 million colours | - | |
Display Enhancement Technology | Super Vivid mode | Bluelight Filter for Eye Care, Splendid technology | |
Display Features | Curve edge | 2.5D Glass | |
Display Protection (Screen Protector) | Scratch-resistant glass | Corning Gorilla Glass (scratch resistant glass), smudge-resistant oleophobic coating |
PROCESSOR | Sony XPERIA X | ASUS ZenFone 4 (ZE554KL) |
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Processor Type (CPU) | Qualcomm | Qualcomm Snapdragon 630 | |
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Processor Number | MSM8956 | - | |
Clock Speed | 1.8 GHz | 2.2 GHz | ASUS ZenFone 4 (ZE554KL) has higher clock speed than Sony XPERIA X. |
Processor Core Qty | 6-core | 8-core | ASUS ZenFone 4 (ZE554KL) has higher processor core quantity than Sony XPERIA X. |
64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
Graphics System (GPU) | Qualcomm ADRENO 510 | Qualcomm ADRENO 508 |
MEMORY | Sony XPERIA X | ASUS ZenFone 4 (ZE554KL) |
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RAM | 3 GB | LPDDR4X SDRAM - 4 GB | ASUS ZenFone 4 (ZE554KL) has more RAM than Sony XPERIA X. |
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Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | ASUS ZenFone 4 (ZE554KL) has more internal memory than Sony XPERIA X. |
User Memory | 20 GB | - | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 200 GB | microSDHC, microSDXC - up to 2 TB |
CAMERA | Sony XPERIA X | ASUS ZenFone 4 (ZE554KL) |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 2 | |
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Sensor Resolution | 23 Megapixel | 12 Megapixel | Sony XPERIA X has better camera resolution than ASUS ZenFone 4 (ZE554KL). |
Sensor Size | - | 1/2.55" | |
Sensor Name | Sony Exmor RS sensor | Sony Exmor RS IMX362 sensor | |
Lens Type | Wide-angle lens | - | |
Lens Aperture | F/2.0 | F/1.8 | ASUS ZenFone 4 (ZE554KL) has better lens aperture than Sony XPERIA X. |
Lens Construction | - | 6-element | |
Optical Image Stabiliser (OIS) | - | 4 Stop OIS (Optical Image Stabilisation) | ASUS ZenFone 4 (ZE554KL) has optical stabilisation. |
Focus Adjustment | Automatic | Automatic | |
Minimum Focal Length (Focal Distance) | 24 mm | - | |
Digital Zoom | 8x | - | |
Special Effects | Night Scene, Creative effect | HDR | |
HDR Mode | Auto HDR mode | - | |
Camera Modes | Red-Eye Reduction, Sweep Panorama, AR Effect mode, SteadyShot, Timeshift video | Panorama, Time-lapse mode, Pro mode, Beauty mode, Auto mode, super resolution mode, GIF animation function, portrait mode | |
Face Recognition (Face ID) | Smile shutter, Face in Picture | - | Sony XPERIA X has face detection. |
Light Source | LED light | Dual LED flash | |
Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | |
Camera Features (Functions) | Quick Launch, Superior Auto, Object tracking, G lens, Scene recognition, Sound Photo, Hybrid Auto focus, Sticker Creator | 3-axis electronic image stabilisation, RAW image capture, Subject-Tracking Auto-Focus, PixelMaster 4.0 camera, 4-axis optical image stabilisation, 9 filters, Instant cameras switching, Dual Pixel Phase Detect Auto-Focus (PDAF) |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
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Lens Type (2nd Camera) | - | Wide-angle lens |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 13 Megapixel | 8 Megapixel | Sony XPERIA X has better front camera resolution than ASUS ZenFone 4 (ZE554KL). |
Lens Type (Front) | Wide-angle lens | - | |
Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
Special Effects (Front) | - | Collage | |
Camera Modes (Front) | - | Beauty mode, Auto mode, selfie panorama, GIF animation function, portrait mode, Smart beautification, Livestream beautification | |
Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
Camera Features (Front) | - | PixelMaster camera, ASUS SelfieMaster technology, 9 filters |
BATTERY AND CHARGING | Sony XPERIA X | ASUS ZenFone 4 (ZE554KL) |
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Battery Capacity (Battery Size) | 2620 mAh | 3300 mAh | ASUS ZenFone 4 (ZE554KL) has larger battery capacity than Sony XPERIA X. |
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Fast Charging Technology | - | ASUS Boost Master | ASUS ZenFone 4 (ZE554KL) has fast charging technology. |
Standby Time | 600 hours | 552 hours | Sony XPERIA X has longer standby time than ASUS ZenFone 4 (ZE554KL). |
Talk Time | 840 minutes | 1800 minutes | ASUS ZenFone 4 (ZE554KL) has longer battery life when making calls than Sony XPERIA X. |
Run Time Details | Talk (GSM): up to 600 min Standby (GSM): up to 580 hrs Talk (WCDMA): up to 840 min Standby (WCDMA): up to 600 hrs Standby (LTE): up to 540 hrs Playback (Music): up to 64 hrs Playback (video): up to 10 hrs |
Standby (4G): up to 552 hrs Talk (3G): up to 1800 min Playback (video): up to 16 hrs Continuous browsing (Wi-Fi): up to 18 hrs |
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Battery Technology | - | Lithium polymer |
CELLULAR | Sony XPERIA X | ASUS ZenFone 4 (ZE554KL) |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | Android 6.0.1 (Marshmallow) | Android 7.0 Nougat | |
User Interface | - | ASUS ZenUI 4.0 | |
Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
COMMUNICATIONS | Sony XPERIA X | ASUS ZenFone 4 (ZE554KL) |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, DC-HSPA+ | |
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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 3, Band 5, Band 6, Band 8, Band 19 | |
3G UMTS Frequency | - | 2100, 1900, 1800, 850, 800, 900, 800 | |
4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 19, Band 20, Band 26, Band 28, Band 38, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41 | |
4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
Bluetooth Profiles | HFP, HSP, OPP, PAN, SPP, GAP, A2DP, AVRCP, HID, GAVDP, PBAP, MAP, DIP, GATT, HOGP | - | |
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 X | ASUS ZenFone 4 (ZE554KL) |
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Supported Digital Audio Standards | WAV, WMA, AAC, AIFF, ASF, PCM, Ogg Vorbis, AMR, MP3, FLAC, AAC-LC, XMF, AAC +, OGG, eAAC+, MIDI, M4A, apt-X, MXMF, AWB, IMY, RTTTL, RTX, OTA, MP4, ALAC, OPUS | - | |
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Supported Digital Video Standards | MKV, AVI, XviD, MPEG-4, 3GP, H.264, H.263, M4V, WebM, VP8, VP9, H.265 | - | |
Sound Enhancements | Digital Sound Enhancement Engine (DSEE HX), 3D surround sound (VPT) | DTS-HD Premium Sound, Hi-Res audio, DTS Headphone:X |
FEATURES | Sony XPERIA X | ASUS ZenFone 4 (ZE554KL) |
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Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
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Sensors | Accelerometer, ambient light sensor, proximity sensor, pedometer, digital compass, barometer, magnetometer, gyro sensor, motion sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, colour correction sensor | |
Security Devices | Fingerprint reader | - | |
Additional Phone Features | TTY compatible, Radio Data Service (RDS), DLNA Certified, Text-to-Speech (text recognition), sharing media via DLNA, Screen capture, intelligent typing (Gesture), Wi-Fi Miracast, battery STAMINA mode, Glove mode, TRILUMINOS display, X-Reality engine, Screen mirroring, Clear Audio+, Clear Bass, Dynamic normaliser, Smart Cleaning, Digital Noise Cancelling (DNC), Live Color LED, Hi-Res Audio, Low power audio playback, Smart backlight control, MirrorLink support, High-bandwidth Digital Content Protection (HDCP), S-Force Front surround, Read Mode, Alarm Clock, handwriting recognition, PS4 Remote Play | Wi-Fi Miracast, Dual noise reduction microphones, Google Drive Storage (100 GB) (free for 2 years), NXP Smart AMP technology, ASUS Noise Reduction technology, Nano Molding Technology (NMT) |
OTHERS | Sony XPERIA X | ASUS ZenFone 4 (ZE554KL) |
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Included Accessories | Power adapter | Power adapter, SIM card removal tool, ASUS ZenEar with Mic, USB-C cable | |
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Compliant Standards | HAC (Hearing Aid Compatible) | - |