Honor 400 Pro (DNP-NX9 256GB) vs Asus Zenfone Zoom (ZX551ML 128GB)

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Side by side comparison between Honor 400 Pro vs Asus Zenfone Zoom (ZX551ML) phones, differences, pros, cons and full specifications. What's the better?

6/6/2025 2:03 AM, updated: 6/6/2025 12:47 PM

Compare Asus Zenfone Zoom (ZX551ML) X Honor 400 Pro (DNP-NX9 256GB) 29Points

Specifications Compare Models Pictures

6.7"
AMOLED

1280x2800

200
MP

50mp

12GB
RAM

Octa-core

5300
mAh

(Non removable)

08Points Asus Zenfone Zoom (ZX551ML 128GB) Compare Honor 400 Pro X

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

13
MP

5mp

4GB
RAM

Quad-core

3000
mAh

(Non removable)

What's the better phone? Honor 400 Pro (DNP-NX9 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!

29 Advantages Honor 400 Pro (DNP-NX9 256GB)	vs	8 Advantages Asus Zenfone Zoom (ZX551ML 128GB)
+3.3GHz 64bit Octa-core (4nm)67% More powerful processor, you can open your applications faster	vs	2.5GHz 64bit Quad-core
+12GB LPDDR52 times More RAM memory. Typically more responsive and better for multitasking.	vs	4GB LPDDR3
+256GB (220GB available)80% More internal storage for applications and files	vs	128GB (122GB available)
+8.1 millimeters (0.32 inches)48% Thinner	vs	12 millimeters (0.47 inches)
+AMOLEDAdvantage AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+1 billion62 times More colors on the screen is better quality images and videos	vs	16 million
+1280x2800 pixels73% Higher resolution screen	vs	1080x1920 pixels
+460 PPI15% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	401 PPI
+6.7"22% Larger screen	vs	5.5"
+(triple camera) 200MP + 50MP + 12MP20 times Higher resolution main camera	vs	(back) 13MP
+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness	vs	Not supported
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+f/1.9 (aperture)42% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.7 (aperture)
+(dual front camera) 50MP + 2MP10 times 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 6.0 Marshmallow
+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster	vs	4G LTE
+(5G SA/NSA) 2000 Mbps12 times Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (under display)Advantage Sensors help you use the device	vs	Not supported
+5300 mAh77% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3000 mAh
+100W5 times More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.	vs	18W
+2 slots (Dual-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/be [wifi7/6E/6]Advantage WiFi 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] is newer and faster	vs	802.11 a/b/g/n/ac [wifi5]
+5.4 + A2DP/LEAdvantage Bluetooth 5.4 + A2DP/LE is newer and faster	vs	4.0 + A2DP
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0, USB OTG On-The-Go
+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
Not supported	vs	+Until 128GB microSD, microSDXCAdvantage More external storage for files using memory cards
205 grams (7.18 ounces)	vs	+185 grams (6.48 ounces)11% Lighter
Plastic body, glass front/back	vs	+Aluminum frame, glass front, leather backAdvantage More resistant material
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
Virtual proximity sensor	vs	+Proximity sensorAdvantage Sensors help you use the device
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	+Gorilla Glass 4Advantage Protection against scratches on the screen lets you carry your phone with your keys

16 Common items in both devices

Digital and optical zoom

PDAF: phase detection autofocus / LDAF: laser detection autofocus

OIS: Optical stabilization

Capacitive

Multitouch

Accelerometer

Ambient light sensor

+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
	Honor 400 Pro (DNP-NX9 256GB)	Asus Zenfone Zoom (ZX551ML 128GB)
Change model		Choose the model
Model	400 Pro (DNP-NX9 256GB)	Zenfone Zoom (ZX551ML 128GB)
Other model names	Huawei Honor 400 Pro DNP-NX9	Asus Zenfone Zoom ZX551ML (4G), Asus ZX551ML
Country or region available	(Global, International)	(Latin America), (Europe)
Brand	Honor	Asus
Release date	5/23/2025, Announced: 5/22/2025	12/1/2015
Depth	8.1 millimeters (0.32 inches)	12 millimeters (0.47 inches)
Size (width x height)	76.1 x 160.8 millimeters (3 x 6.33 in)	78.8 x 158.9 millimeters (3.1 x 6.26 in)
Weight	205 grams (7.18 ounces)	185 grams (6.48 ounces)
Build, materials	Plastic body, glass front/back	Aluminum frame, glass front, leather back
Protection against water and others	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant	Not supported
📲 Display
	Honor 400 Pro (DNP-NX9 256GB)	Asus Zenfone Zoom (ZX551ML 128GB)
Display type	AMOLED	TFT IPS LCD
Screen size	6.7" inches	5.5" inches
Screen-to-body ratio	~89.5% (screen-to-body ratio)	~66.6% (screen-to-body ratio)
Display resolution	1280x2800 pixels (19.5:9)	1080x1920 pixels
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	460 PPI	401 PPI
Colors	1 billion	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 4
Refresh rate	120Hz	feature not registered
Display features	5000nits[peak] HDR8	feature not registered
🤖 Operating System
	Honor 400 Pro (DNP-NX9 256GB)	Asus Zenfone Zoom (ZX551ML 128GB)
System version	Android 15	Android 5.0.2 Lollipop
Firmware update	feature not registered	Android 6.0 Marshmallow
User Interface	MagicOS 9	feature not registered
⚙️ Processor
	Honor 400 Pro (DNP-NX9 256GB)	Asus Zenfone Zoom (ZX551ML 128GB)
Chipset	64bit: Qualcomm Snapdragon 8 Gen 3 (SM8650-AB) (4nm)	64bit: Intel Atom Z3590 (22nm)
CPU	Octa-core, 4 processors: 1x 3.3GHz ARM Cortex-X4 (Single-core) 3x 3.15GHz ARM Cortex-A720 (Triple-core) 2x 2.96GHz ARM Cortex-A720 (Dual-core) 2x 2.26GHz ARM Cortex-A520 (Dual-core)	Quad-core, 1 processor: 4x 2.5GHz Intel Silvermont (Quad-core)
GPU graphical controller	Qualcomm Adreno 750	PowerVR G6430 MP4
Performance (benchmark)	AnTuTu: 1939360 (v10) Geekbench: 6761 (v6)	feature not registered
💽 Memory and storage
	Honor 400 Pro (DNP-NX9 256GB)	Asus Zenfone Zoom (ZX551ML 128GB)
RAM memory	12GB LPDDR5	4GB LPDDR3
Internal storage	256GB (220GB available) UFS 2.2	128GB (122GB available)
External storage	Not supported	Until 128GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Honor 400 Pro (DNP-NX9 256GB)	Asus Zenfone Zoom (ZX551ML 128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Not supported
SIM card	2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM	1 slot (Single-SIM) micro-SIM (3FF)
Maximum Download / Upload	2000/1024 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 850/900/1900/2100
Primary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 8, 19, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE	LTE Cat4 (Bands 1, 2, 3, 5, 7, 8, 9, 18, 19, 28)
Primary 5G network	SA/NSA (1, 5, 8, 28, 41, 77, 78)	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	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, 8, 19, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	Not supported
📷 Camera
	Honor 400 Pro (DNP-NX9 256GB)	Asus Zenfone Zoom (ZX551ML 128GB)
Back camera (main camera)	(triple camera) 200 megapixels 50MP telephoto f/2.41/2"0.8µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.2112°AF	13 megapixels
Main camera resolution	20000x10000 pixels	4128x3096 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/1.9 (aperture)	f/2.7 (aperture)
Focal length	feature not registered	28mm (lens)
Sensor size	1/1.4" inches	feature not registered
Pixel size	feature not registered	feature not registered
Autofocus	PDAF: phase detection autofocus	LDAF: laser detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	OIS: Optical stabilization
Zoom	Digital and optical zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo on both cameras	HDR photo only main camera
Camera extras	feature not registered	feature not registered
📸 Front camera
	Honor 400 Pro (DNP-NX9 256GB)	Asus Zenfone Zoom (ZX551ML 128GB)
Front camera (secondary)	(dual front camera) 50 megapixels 2MP depth f/2.4	5 megapixels
Front camera resolution	8160x6120 pixels	2560x1920 pixels
Video recording (secondary)	4K UHD (3840x2160)	HD (1280x720)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.0 (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
	Honor 400 Pro (DNP-NX9 256GB)	Asus Zenfone Zoom (ZX551ML 128GB)
Loudspeaker	Stereo sound	Supported
Active noise cancellation	2 microphones	Not supported
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.264, H.263
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, eAAC+
🔌 Connectivity
	Honor 400 Pro (DNP-NX9 256GB)	Asus Zenfone Zoom (ZX551ML 128GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	MicroUSB 2.0, USB OTG On-The-Go
Audio output	Type-C reversible connector	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.4 + A2DP/LE	4.0 + A2DP
WiFi	802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Supported
Infrared port	Supported	Not supported
🧭 Sensors
	Honor 400 Pro (DNP-NX9 256GB)	Asus Zenfone Zoom (ZX551ML 128GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Virtual proximity sensor	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Honor 400 Pro (DNP-NX9 256GB)	Asus Zenfone Zoom (ZX551ML 128GB)
Battery type	Li-Si: lithium-silicon (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5300 mAh	3000 mAh
Charger, watts	100W Wired fast charging 5W Reverse charging by cable	18W Wired fast charging
Inductive / wireless charging	50W Qi wireless charging Reverse wireless charging	feature not registered
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Honor 400 Pro (DNP-NX9 256GB)	Asus Zenfone Zoom (ZX551ML 128GB)
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: Midnight Black, Lunar Grey, Tidal Blue	• Colors: Black, White • Asus ZenUI • Hoya camera sensor • Laser autofocus camera (0.03 seconds) • 3x optical zoom camera • Dual tone flash • Fast battery charging: 60% in 40min • Beidou GPS • 5GB Asus Webstorage
☢️ Radiation rate
	Honor 400 Pro (DNP-NX9 256GB)	Asus Zenfone Zoom (ZX551ML 128GB)
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