Bq Aquaris E4.5 vs HMD Skyline (128GB/8GB)

Share page: Facebook Twitter WhatsApp Share page:

Side by side comparison between Bq Aquaris E4.5 vs HMD Skyline phones, differences, pros, cons and full specifications. What's the better?

2/2/2026 4:53 PM, updated: 2/2/2026 5:25 PM

Compare HMD Skyline X Bq Aquaris E4.5 03Points

Specifications Compare Models Pictures

4.5"
IPS

540x960

8
MP

5mp

1GB
RAM

Quad-core

2150
mAh

(Removable)

33Points HMD Skyline (128GB/8GB) Compare Bq Aquaris E4.5 X

Specifications Compare Models Pictures

6.55"
POLED

1080x2400

108
MP

50mp

8GB
RAM

Octa-core

4600
mAh

(Removable)

What's the better phone? HMD Skyline (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!

3 Advantages Bq Aquaris E4.5	vs	33 Advantages HMD Skyline (128GB/8GB)
+123 grams (4.31 ounces)70% Lighter	vs	209 grams (7.32 ounces)
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
1.3GHz 32bit Quad-core	vs	+2.4GHz 64bit Octa-core (4nm)190% More powerful processor, you can open your applications faster
1GB LPDDR2	vs	+8GB LPDDR57 times More RAM memory. Typically more responsive and better for multitasking.
8GB (5GB available)	vs	+128GB (101GB available)19 times More internal storage for applications and files
Until 32GB microSD, microSDHC	vs	+Until 1TB microSD, microSDXC31 times More external storage for files using memory cards
9 millimeters (0.35 inches)	vs	+8.9 millimeters (0.35 inches)1% Thinner
Plastic body, glass front	vs	+Aluminum frame, glass front/backAdvantage More resistant material
TFT IPS LCD	vs	+P-OLEDAdvantage P-OLED display is brighter and more vivid
540x960 pixels	vs	+1080x2400 pixels4 times Higher resolution screen
245 PPI	vs	+402 PPI64% Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.5"	vs	+6.55"46% Larger screen
(back) 8MP	vs	+(triple camera) 108MP + 50MP + 13MP20 times Higher resolution main camera
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
1/3.2" inches	vs	+1/1.67" inches92% The larger sensor camera lets you take photos with better depth.
f/2.4 (aperture)	vs	+f/1.8 (aperture)33% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MP	vs	+(front) 50MP9 times Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
(front) VGA (640x480)	vs	+(front) Full HD (1920x1080)6 times More image quality for recording videos with the secondary camera
Android 4.4.2 KitKat	vs	+Android 16Advantage Android 16 is newer and safer
3G+ HSPA+	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(3G+ HSPA+) 21 Mbps	vs	+(5G SA/NSA) 2000 Mbps94 times Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (side-mounted)Advantage Sensors help you use the device
2150 mAh	vs	+4600 mAh114% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
2 slots (Dual-SIM) (dedicated slot)	vs	+1 slot (Single-SIM) + e-SIM (Eletronic) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac/ax [wifi6E/6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6E/6] is newer and faster
4.0 + A2DP	vs	+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0, USB OTG On-The-Go	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supported	vs	+IP54 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

19 Common items in both devices

16 million

Autofocus / PDAF: phase detection autofocus

Capacitive

Multitouch

Accelerometer

Ambient light sensor

Compass

+12 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

📱 Model features
	Bq Aquaris E4.5	HMD Skyline (128GB/8GB)
Change model		Choose the model
Model	Aquaris E4.5	Skyline (128GB/8GB)
Other model names	bq Aquaris E4.5 03BQAQU20, 03BQAQU30	HMD Skyline (8GB RAM) TA-1600
Country or region available	Spain, (Europe)	(Global, International)
Brand	Bq	HMD
Release date	6/1/2014	7/19/2024, Announced: 7/18/2024
Depth	9 millimeters (0.35 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	67 x 137 millimeters (2.64 x 5.39 in)	75.66 x 159.84 millimeters (2.98 x 6.29 in)
Weight	123 grams (4.31 ounces)	209 grams (7.32 ounces)
Build, materials	Plastic body, glass front	Aluminum frame, glass front/back
Protection against water and others	Not supported	IP54 certified: protection against dust and splashing
📲 Display
	Bq Aquaris E4.5	HMD Skyline (128GB/8GB)
Display type	TFT IPS LCD	P-OLED
Screen size	4.5" inches	6.55" inches
Screen-to-body ratio	~60.8% (screen-to-body ratio)	~85.6% (screen-to-body ratio)
Display resolution	540x960 pixels	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch 5-points	Capacitive Multitouch
Pixel density (dot pitch)	245 PPI	402 PPI
Colors	16 million	16 million
Scratch-resistant glass	Dragontrail Glass	Gorilla Glass 3
Refresh rate	feature not registered	144Hz
Display features	feature not registered	1000nits[peak] HDR10
🤖 Operating System
	Bq Aquaris E4.5	HMD Skyline (128GB/8GB)
System version	Android 4.4.2 KitKat	Android 14
Firmware update	feature not registered	Android 16
User Interface	feature not registered	feature not registered
⚙️ Processor
	Bq Aquaris E4.5	HMD Skyline (128GB/8GB)
Chipset	32bit: MediaTek MT6582 (28nm)	64bit: Qualcomm Snapdragon 7s Gen 2 (SM7435-AB) (4nm)
CPU	Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core)	Octa-core, 2 processors: 4x 2.4GHz ARM Cortex-A78 (Quad-core) 4x 1.95GHz ARM Cortex-A55 (Quad-core)
GPU graphical controller	ARM Mali-400 MP2 500Mhz	Qualcomm Adreno 710 (900MHz)
Performance (benchmark)	feature not registered	AnTuTu: 581402 (v10) Geekbench: 2899 (v6)
💽 Memory and storage
	Bq Aquaris E4.5	HMD Skyline (128GB/8GB)
RAM memory	1GB LPDDR2	8GB LPDDR5
Internal storage	8GB (5GB available)	128GB (101GB available) UFS 2.2
External storage	Until 32GB microSD, microSDHC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Bq Aquaris E4.5	HMD Skyline (128GB/8GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) micro-SIM (3FF)	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM
Maximum Download / Upload	21/5.76 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	UMTS 900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	Not supported	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66, 71) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	SA/NSA (1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77, 78)
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+	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 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66, 71) TD-LTE (38, 40, 41) VoLTE
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	Bq Aquaris E4.5	HMD Skyline (128GB/8GB)
Back camera (main camera)	8 megapixels	(triple camera) 108 megapixels 50MP telephoto f/2.01/2.76"0.64µmPDAF2x-optical-zoom 13MP ultrawide f/2.51/3"1.12µm
Main camera resolution	3264x2448 pixels	12000x9000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/2.4 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/3.2" inches	1/1.67" inches
Pixel size	feature not registered	0.64µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS: Optical stabilization
Zoom	Only digital zoom	Digital and optical zoom
Face/smile detection	Face 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	4K@30fps 1080p@30fps
📸 Front camera
	Bq Aquaris E4.5	HMD Skyline (128GB/8GB)
Front camera (secondary)	5 megapixels	50 megapixels
Front camera resolution	2592x1944 pixels	8160x6120 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	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Bq Aquaris E4.5	HMD Skyline (128GB/8GB)
Loudspeaker	Supported	Stereo sound with dual speakers OZO audio
Active noise cancellation	2 microphones or more	2 microphones
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Bq Aquaris E4.5	HMD Skyline (128GB/8GB)
USB	MicroUSB 2.0, USB OTG On-The-Go	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	4.0 + A2DP	5.2 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz)	802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Bq Aquaris E4.5	HMD Skyline (128GB/8GB)
Sensors	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Bq Aquaris E4.5	HMD Skyline (128GB/8GB)
Battery type	LiPo: li-ion polymer (Removable)	Li-Ion: lithium-ion (Removable) HBA4633AA
Battery capacity	2150 mAh	4600 mAh
Charger, watts	Wired charging	33W Wired fast charging Reverse charging by cable USB Power Delivery 3.0
Inductive / wireless charging	feature not registered	15W Qi2 wireless charging 5W Reverse wireless charging
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Bq Aquaris E4.5	HMD Skyline (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, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black, Black on white • LED notification • 13MP interpolated back camera • 8MP interpolated front camera • Dolby sound • Viewing angle screen of 178º • WiFi hotspot	• Colors: Twisted Black, Blue Topaz, Neon Pink
☢️ Radiation rate
	Bq Aquaris E4.5	HMD Skyline (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