BlackBerry Curve 8520 vs ZTE Nubia Z17s (64GB)

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Side by side comparison between BlackBerry Curve 8520 vs ZTE Nubia Z17s phones, differences, pros, cons and full specifications. What's the better?

1/3/2018 6:08 PM, updated: 5/10/2020 6:20 PM

Compare ZTE Nubia Z17s X BlackBerry Curve 8520 04Points

Specifications Compare Models Pictures

2.46"
TFT

320x240

2
MP

128MB
RAM

Single-core

1150
mAh

(Removable)

30Points ZTE Nubia Z17s (64GB) Compare BlackBerry Curve 8520 X

Specifications Compare Models Pictures

5.73"
IPS

1080x2040

12
MP

5mp

6GB
RAM

Octa-core

3100
mAh

(Non removable)

What's the better phone? ZTE Nubia Z17s (64GB)

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!

4 Advantages BlackBerry Curve 8520	vs	30 Advantages ZTE Nubia Z17s (64GB)
+Until 32GB microSD, microSDHCAdvantage More external storage for files using memory cards	vs	Not supported
+106 grams (3.71 ounces)60% Lighter	vs	170 grams (5.95 ounces)
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
512MHz 32bit Single-core	vs	+2.45GHz 64bit Octa-core (10nm)8 times More powerful processor, you can open your applications faster
128MB SDRAM	vs	+6GB LPDDR4X47 times More RAM memory. Typically more responsive and better for multitasking.
256MB	vs	+64GB (50GB available)199 times More internal storage for applications and files
13.9 millimeters (0.55 inches)	vs	+8.5 millimeters (0.33 inches)64% Thinner
TFT LCD	vs	+LTPS IPS LCDAdvantage LTPS IPS LCD display is brighter and more vivid
65 thousand	vs	+16 million245 times More colors on the screen is better quality images and videos
320x240 pixels	vs	+1080x2040 pixels28 times Higher resolution screen
163 PPI	vs	+403 PPI147% Crisper display of text, images and videos because it has more pixels per inch (ppi)
2.46"	vs	+5.73"133% Larger screen
(back) 2MP	vs	+(dual camera) 12MP + 23MP17 times Higher resolution main camera
Not supported	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
Not supported	vs	+PDAF: phase detection autofocusAdvantage Best autofocus type for taking pictures
Not supported	vs	+(dual front camera) 5MP + 5MPAdvantage A front-camera is best for taking selfies
QVGA (320x240)	vs	+4K UHD (3840x2160)107 times More image quality for recording videos with the primary camera
70000 apps (BlackBerry App World)	vs	+3500000 apps (Google Play Store)49 times More apps available to download and use
2G EDGE	vs	+4G LTE-AAdvantage The 4G LTE-A network is newer and faster
(2G EDGE) 0.236 Mbps	vs	+(4G LTE-A) 450 Mbps1906 times Faster for surfing the internet and download files
Not supported	vs	+Capacitive MultitouchAdvantage The touch screen facilitates the use of the device
Not supported	vs	+Accelerometer, Proximity sensor, Compass, Ambient light sensor, Gyroscope, Fingerprint sensorAdvantage Sensors help you use the device
1150 mAh	vs	+3100 mAh170% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+Video callingAdvantage The video calling allows to make calls with voice and video
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM)Advantage You can have more mobile carriers/operators on the same device.
Not supported	vs	+A-GPS, GeoTagging, GLONASS, BeiDouAdvantage It's harder to lose yourself in the city with GPS on your device
802.11 b/g [wifi3]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
2.0 + A2DP	vs	+4.2 + A2DPAdvantage Bluetooth 4.2 + A2DP is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
WAP, HTML	vs	+HTML, XHTML, HTML5Advantage Better sites viewing on the internet
Not supported	vs	+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys

3 Common items in both devices

Hands-free calling

Vibrating alert

MicroUSB 2.0 / USB 2.0 Type-C reversible connector

+ 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
	BlackBerry Curve 8520	ZTE Nubia Z17s (64GB)
Change model		Choose the model
Model	Curve 8520	Nubia Z17s (64GB)
Other model names	RIM BlackBerry Curve 8520, RIM Gemini	ZTE nubia Z17s NX595J 6GB RAM Standard, ZTE NX595J
Country or region available	feature not registered	China, (Europe), Hong Kong
Brand	BlackBerry	ZTE
Release date	8/3/2009	10/1/2017
Depth	13.9 millimeters (0.55 inches)	8.5 millimeters (0.33 inches)
Size (width x height)	60 x 109 millimeters (2.36 x 4.29 in)	72.7 x 147.5 millimeters (2.86 x 5.81 in)
Weight	106 grams (3.71 ounces)	170 grams (5.95 ounces)
Build, materials	feature not registered	feature not registered
Protection against water and others	Not supported	Not supported
📲 Display
	BlackBerry Curve 8520	ZTE Nubia Z17s (64GB)
Display type	TFT LCD	LTPS IPS LCD
Screen size	2.46" inches	5.73" inches
Screen-to-body ratio	~28.7% (screen-to-body ratio)	~81.7% (screen-to-body ratio)
Display resolution	320x240 pixels	1080x2040 pixels
Touchscreen	Not supported	Capacitive Multitouch
Pixel density (dot pitch)	163 PPI	403 PPI
Colors	65 thousand	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 3
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	BlackBerry Curve 8520	ZTE Nubia Z17s (64GB)
System version	BlackBerry OS 4.6	Android 7.1.1 Nougat
Firmware update	BlackBerry OS 5.0	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	BlackBerry Curve 8520	ZTE Nubia Z17s (64GB)
Chipset	32bit: Freescale MXC275-30	64bit: Qualcomm Snapdragon 835 (MSM8998) (10nm)
CPU	Single-core, 1 processor: 1x 512MHz ARM1136JF-S (Single-core)	Octa-core, 2 processors: 4x 2.45GHz Kryo 280 (Quad-core) 4x 1.9GHz Kryo 280 (Quad-core)
GPU graphical controller	feature not registered	Qualcomm Adreno 540 (670-710MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	BlackBerry Curve 8520	ZTE Nubia Z17s (64GB)
RAM memory	128MB SDRAM	6GB LPDDR4X
Internal storage	256MB	64GB (50GB available)
External storage	Until 32GB microSD, microSDHC (dedicated slot)	Not supported
📶 Mobile networks
	BlackBerry Curve 8520	ZTE Nubia Z17s (64GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card
SIM card	1 slot (Single-SIM) Standard mini-SIM (2FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	0.236 Mbps	450/50 Mbps
Network technology	2G	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	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	Not supported	Europe version: UMTS 850/900/1900/2100 China version: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	Not supported	LTE Cat9 Europe version: LTE 700/800/850/900/1700/1800/2100/2600 (Bands 1,3,4,5,7,8,12,20) China version: LTE 700/800/850/900/1700/1800/2100/2600 (Bands 1,3,4,5,7,8,12,20) TD-LTE 1900/2000/2300/2500/2600 (Bands 34,38,39,40,41)
Primary 5G network	Not supported	Not supported
Primary data network	CSD, GPRS, EDGE	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE
📷 Camera
	BlackBerry Curve 8520	ZTE Nubia Z17s (64GB)
Back camera (main camera)	2 megapixels	(dual camera) 12 megapixels 23MP f/2.0
Main camera resolution	1600x1200 pixels	3968x2976 pixels
Video recording (primary)	QVGA (320x240)	4K UHD (3840x2160) 30 fps
Flash	Not supported	Dual-LED flash
Focal aperture	feature not registered	f/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/2.55" inches
Pixel size	feature not registered	1.4µm pixel
Autofocus	Not supported	PDAF: phase detection autofocus
Touch focus	feature not registered	Supported
Image stabilization	feature not registered	EIS: Digital stabilization
Zoom	Only digital zoom	Digital and optical zoom
Face/smile detection	feature not registered	Face detection, Smile detection
BSI sensor	feature not registered	Not supported
HDR	feature not registered	HDR photo only main camera
Camera extras	feature not registered	feature not registered
📸 Front camera
	BlackBerry Curve 8520	ZTE Nubia Z17s (64GB)
Front camera (secondary)	Not supported	(dual front camera) 5 megapixels 5MP
Front camera resolution	Not supported	2560x1920 pixels
Video recording (secondary)	Not supported	HD (1280x720)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.2 (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
	BlackBerry Curve 8520	ZTE Nubia Z17s (64GB)
Loudspeaker	Supported	Supported
Active noise cancellation	feature not registered	2 microphones or more
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, WMV	MP4, H.265, H.264, H.263
Audio formats	MP3, WAV, WMA, eAAC+	MP3, WAV, OGG, eAAC+, FLAC
🔌 Connectivity
	BlackBerry Curve 8520	ZTE Nubia Z17s (64GB)
USB	MicroUSB 2.0	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	Type-C reversible connector
TV output	Not supported	Not supported
Bluetooth	2.0 + A2DP	4.2 + A2DP
WiFi	802.11 b/g [wifi3] (2.4GHz)	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	feature not registered	Supported
GPS	Not supported	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Not supported	Supported
Infrared port	feature not registered	Not supported
🧭 Sensors
	BlackBerry Curve 8520	ZTE Nubia Z17s (64GB)
Sensors	Not supported	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	BlackBerry Curve 8520	ZTE Nubia Z17s (64GB)
Battery type	Li-Ion: lithium-ion (Removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	1150 mAh	3100 mAh
Charger, watts	Wired charging	Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	4.5 hours	feature not registered
Standby	408 hours (17 days)	feature not registered
➕ Other features
	BlackBerry Curve 8520	ZTE Nubia Z17s (64GB)
Call control	Voice dialing, Voice recorder	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Not supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	WAP, HTML	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Fixed QWERTY keyboard	Not supported
Miscellaneous	• Colors: Black • 1GB microSD included • Touch-sensitive optical trackpad • UMA • GMA • Java framework	• Colors: Black/gold • USB OTG On-The-Go • Metal frame • Back glass panel • nubia UI 5.1 • Fast battery charging (26W): 50% in 25min • Quick Charge 4.0 • DTS-HD audio • 32-bit/384kHz audio • Type-C to 3.5mm headphone jack adapter • VoLTE
☢️ Radiation rate
	BlackBerry Curve 8520	ZTE Nubia Z17s (64GB)
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