Samsung Galaxy Z Flip 4 (SM-F721N 256GB) vs Blu Speed 4.7 LTE (X120Q)

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Side by side comparison between Samsung Galaxy Z Flip 4 vs Blu Speed 4.7 LTE phones, differences, pros, cons and full specifications. What's the better?

1/22/2023 5:56 PM, updated: 5/19/2025 11:32 AM

Compare Blu Speed 4.7 LTE X Samsung Galaxy Z Flip 4 (SM-F721N 256GB) 30Points

Specifications Compare Models Pictures

6.7"
AMOLED

1080x2640

12.2
MP

10mp

8GB
RAM

Octa-core

3700
mAh

(Non removable)

06Points Blu Speed 4.7 LTE (X120Q) Compare Samsung Galaxy Z Flip 4 X

Specifications Compare Models Pictures

4.7"
IPS

720x1280

8
MP

5mp

1GB
RAM

Quad-core

2200
mAh

(Removable)

What's the better phone? Samsung Galaxy Z Flip 4 (SM-F721N 256GB)

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!

30 Advantages Samsung Galaxy Z Flip 4 (SM-F721N 256GB)	vs	6 Advantages Blu Speed 4.7 LTE (X120Q)
+3.19GHz 64bit Octa-core (4nm)145% More powerful processor, you can open your applications faster	vs	1.7GHz 32bit Quad-core
+8GB LPDDR57 times More RAM memory. Typically more responsive and better for multitasking.	vs	1GB
+256GB (218GB available)108 times More internal storage for applications and files	vs	4GB (2GB available)
+6.9 millimeters (0.27 inches)28% Thinner	vs	8.8 millimeters (0.35 inches)
+Dynamic AMOLEDAdvantage Dynamic AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+1080x2640 pixels2 times Higher resolution screen	vs	720x1280 pixels
+426 PPI37% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	312 PPI
+6.7"43% Larger screen	vs	4.7"
+(dual camera) 12.2MP + 12MP2 times Higher resolution main camera	vs	(back) 8MP
+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness	vs	Not supported
+HDR photo/video on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+(front) 10MP99% Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+(front) 4K UHD (3840x2160)8 times More image quality for recording videos with the secondary camera	vs	(front) HD (1280x720)
+Android 15Advantage Android 15 is newer and safer	vs	Android 4.4.2 KitKat
+5G Sub6Advantage The 5G Sub6 network is newer and faster	vs	4G LTE
+(5G Sub6) 3000 Mbps19 times Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+Ambient light sensorAdvantage Sensors help you use the device	vs	Not supported
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (side-mounted)Advantage Sensors help you use the device	vs	Not supported
+3700 mAh68% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	2200 mAh
+1 slot (Single-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos	vs	Not supported
+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster	vs	802.11 b/g/n [wifi4]
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster	vs	4.0 + A2DP
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0
+IPX8 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
Not supported	vs	+Until 32GB microSD, microSDHCAdvantage More external storage for files using memory cards
187 grams (6.55 ounces)	vs	+118 grams (4.13 ounces)58% Lighter
LiPo: li-ion polymer (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily
Type-C reversible connector	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general
Not supported	vs	+Gorilla Glass 2Advantage Protection against scratches on the screen lets you carry your phone with your keys

16 Common items in both devices

16 million

LED flash

Only digital zoom

PDAF: phase detection autofocus / Autofocus

Capacitive

Multitouch

Accelerometer

+9 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
	Galaxy Z Flip 4 (SM-F721N 256GB)	Blu Speed 4.7 LTE (X120Q)
Change model
Model	Galaxy Z Flip 4 (SM-F721N 256GB)	Speed 4.7 LTE (X120Q)
Other model names	갤럭시 Z 플립4 5G (SM-F721N)	Blu Speed 4.7 X120, Blu Speed 4.7 X120, Blu Speed X120Q
Country or region available	South Korea	feature not registered
Brand	Samsung	Blu
Release date	8/25/2022, Announced: 8/10/2022	4/1/2015
Depth	6.9 millimeters (0.27 inches)	8.8 millimeters (0.35 inches)
Size (width x height)	71.9 x 165.2 millimeters (2.83 x 6.5 in)	67.5 x 141 millimeters (2.66 x 5.55 in)
Weight	187 grams (6.55 ounces)	118 grams (4.13 ounces)
Build, materials	Aluminum frame, flexible plastic screen, glass back Back: Gorilla Glass Victus+ Folded: 15.9 x 71.9 x 84.9 mm	feature not registered
Protection against water and others	IPX8 certified: water resistant up to 1.5 meters and 30min	Not supported
📲 Display
	Galaxy Z Flip 4 (SM-F721N 256GB)	Blu Speed 4.7 LTE (X120Q)
Display type	Dynamic AMOLED	TFT IPS LCD
Screen size	6.7" inches	4.7" inches
Screen-to-body ratio	~85.4% (screen-to-body ratio)	~64% (screen-to-body ratio)
Display resolution	1080x2640 pixels	720x1280 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	426 PPI	312 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 2
Refresh rate	120Hz	feature not registered
Display features	1200nits[peak] HDR10+ Always-On Display Extra display: Super AMOLED 1.9" (260x512), Gorilla Glass Victus+	feature not registered
🤖 Operating System
	Galaxy Z Flip 4 (SM-F721N 256GB)	Blu Speed 4.7 LTE (X120Q)
System version	Android 12	Android 4.4.2 KitKat
Firmware update	Android 15	feature not registered
User Interface	One UI 4.1 / 5.1 / 6.0 / 7.0	feature not registered
⚙️ Processor
	Galaxy Z Flip 4 (SM-F721N 256GB)	Blu Speed 4.7 LTE (X120Q)
Chipset	64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm)	32bit
CPU	Octa-core, 3 processors: 1x 3.19GHz ARM Cortex-X2 (Single-core) 3x 2.75GHz ARM Cortex-A710 (Triple-core) 4x 2GHz ARM Cortex-A510 (Quad-core)	Quad-core, 1 processor: 4x 1.7GHz
GPU graphical controller	Qualcomm Adreno 730 (818MHz)	NVIDIA TEGRA 4i 72 Cores
Performance (benchmark)	AnTuTu: 685765 (v8), 800001 (v9) Geekbench: 3913 (v5.1) GFXBench: 74fps (ES 3.1 onscreen)	feature not registered
💽 Memory and storage
	Galaxy Z Flip 4 (SM-F721N 256GB)	Blu Speed 4.7 LTE (X120Q)
RAM memory	8GB LPDDR5	1GB
Internal storage	256GB (218GB available) UFS 3.1	4GB (2GB available)
External storage	Not supported	Until 32GB microSD, microSDHC (dedicated slot)
📶 Mobile networks
	Galaxy Z Flip 4 (SM-F721N 256GB)	Blu Speed 4.7 LTE (X120Q)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Not supported
SIM card	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM	1 slot (Single-SIM) micro-SIM (3FF)
Maximum Download / Upload	3000/1024 Mbps	150/50 Mbps
Network technology	2G, 3G, 4G, 5G	2G, 3G, 4G
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 850/900/1700/1900/2100	UMTS 850/1700/1900/2100
Primary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (38, 39, 40, 41) VoLTE	LTE Cat4 700/1700/2600 (Bands 4,7,17)
Primary 5G network	SA/NSA/Sub6 (77, 78)	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	UMTS 850/900/1700/1900/2100	Not supported
Secondary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (38, 39, 40, 41) VoLTE	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6	Not supported
📷 Camera
	Galaxy Z Flip 4 (SM-F721N 256GB)	Blu Speed 4.7 LTE (X120Q)
Back camera (main camera)	(dual camera) 12.2 megapixels 12MP ultrawide f/2.2123°1.12µm	8 megapixels
Main camera resolution	4032x3024 pixels	3264x2448 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	feature not registered
Focal length	24mm (lens)	feature not registered
Sensor size	1/1.76" inches	feature not registered
Pixel size	1.8µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	feature not registered
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo/video on both cameras	HDR photo only main camera
Camera extras	4K@30/60fps 1080p@30/60/240fps 720p@960fps HDR10+ Slow motion	feature not registered
📸 Front camera
	Galaxy Z Flip 4 (SM-F721N 256GB)	Blu Speed 4.7 LTE (X120Q)
Front camera (secondary)	10 megapixels	5 megapixels
Front camera resolution	3872x2592 pixels	2592x1944 pixels
Video recording (secondary)	4K UHD (3840x2160)	HD (1280x720)
Front flash	Not supported	Not supported
Focal aperture	f/2.4 (aperture)	feature not registered
Focal length	26mm (lens)	feature not registered
Sensor size	1/3" inches	feature not registered
Pixel size	1.22µm pixel	feature not registered
🔉 Sound and multimedia
	Galaxy Z Flip 4 (SM-F721N 256GB)	Blu Speed 4.7 LTE (X120Q)
Loudspeaker	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG	Supported
Active noise cancellation	2 microphones or more	Not supported
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.264, H.263, DivX, XviD, WMV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+
🔌 Connectivity
	Galaxy Z Flip 4 (SM-F721N 256GB)	Blu Speed 4.7 LTE (X120Q)
USB	USB 2.0 Type-C, USB OTG On-The-Go	MicroUSB 2.0
Audio output	Type-C reversible connector	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.2 + A2DP/LE	4.0 + A2DP
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy Z Flip 4 (SM-F721N 256GB)	Blu Speed 4.7 LTE (X120Q)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Compass Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy Z Flip 4 (SM-F721N 256GB)	Blu Speed 4.7 LTE (X120Q)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Removable)
Battery capacity	3700 mAh	2200 mAh
Charger, watts	25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0	Wired charging
Inductive / wireless charging	15W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging	feature not registered
Talk time autonomy	34 hours (1.4 days)	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy Z Flip 4 (SM-F721N 256GB)	Blu Speed 4.7 LTE (X120Q)
Call control	Voice dialing, Voice recorder, Voice commands	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, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Graphite, White, Bora Purple, Pink Gold, Blue, Yellow, Navy, Khaki, Red • Samsung Pay (Visa, MasterCard)	• Colors: Black, White • Blu Infinite View Technology
☢️ Radiation rate
	Galaxy Z Flip 4 (SM-F721N 256GB)	Blu Speed 4.7 LTE (X120Q)
SAR 1.6W/kg (USA, Mexico, etc.)	0.589W/kg (head), 0.972W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered

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Samsung Galaxy Z Flip 4 (SM-F721N 256GB) vs Blu Speed 4.7 LTE (X120Q)

Side by side comparison between Samsung Galaxy Z Flip 4 vs Blu Speed 4.7 LTE phones, differences, pros, cons and full specifications. What's the better?

What's the better phone? Samsung Galaxy Z Flip 4 (SM-F721N 256GB)

📱 Model features

📲 Display

🤖 Operating System

⚙️ Processor

💽 Memory and storage

📶 Mobile networks

📷 Camera

📸 Front camera

🔉 Sound and multimedia

🔌 Connectivity

🧭 Sensors

🔋 Battery

➕ Other features

☢️ Radiation rate