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ZTE Axon 9 Pro vs T-Mobile Sidekick 4G

 
Brief information about compared phones: T-Mobile Sidekick 4G , ZTE Axon 9 Pro

T-Mobile Sidekick 4G 2011 year of release, cpu 1.0 GHz Cortex-A8, screen 3.5", with resolution 480x800. Smartphone has 0 megapixel front camera and 3 megapixel main camera.

ZTE Axon 9 Pro 2017 year of release, cpu Quad-core (2x2.35 GHz Kryo & 2x1.6 GHz Kryo), screen 5.5", with resolution 1440x2560. Smartphone has 8 megapixel front camera and 12 megapixel main camera.

Display Technology TFT AMOLED
Touchscreen capacitive touchscreen capacitive touchscreen
Display colors 16M 16M
Screen size 3.5" inch 5.5" inch
Screen area 34.9 cm2 83.4 cm2
Screen format 5:3 (height:width) 16:9 (height:width)
Screen to body ratio 45.0% 73.3%
Screen resolution 480 x 800 px 1440 x 2560 px
PPI /points per inch/ 267 PPI 534 PPI
Camera and Video Rear camera, main 3.15 MP, Single 12 MP, Dual
Camera specs 3.15 MP, AF 12 MP, f/1.8, 1/2.8'', 1.0µm, PDAF -20 MP
Functions Dual-LED dual-tone flash, HDR, panorama
Video 480p@30fps 2160p@30fps, 1080p@30fps
Front camera, selfie 0.3 MP, Single 8 MP, Single
Specifications VGA 8 MP
Performance Operating system OS Android 2.2 (Froyo) Android 7 (Nougat); MiFavor 4
Chipset Hummingbird Qualcomm MSM8996 Snapdragon 821 (14 nm)
Processor CPU 1.0 GHz Cortex-A8 Quad-core (2x2.35 GHz Kryo & 2x1.6 GHz Kryo)
Graphics processor GPU PowerVR SGX540 Adreno 530
External memory microSD, up to 32 GB (dedicated slot), 2 GB included microSD, up to 512 GB (uses SIM 2 slot)
Internal memory 1 GB, 512 MB RAM 128 GB, 6 GB RAM
Antutu 7 score 265842
General specs Release date 2011, March 2017, April
Dimensions (HxWxD) 127 Х 61 Х 15 mm 151.7 Х 75 Х 7.9 mm
Weight 162 g 170 g
Colors Matte Black, Pearl magenta Gold
Battery 1500 mAh,  Removable Li-Ion 3400 mAh,  Non-removable Li-Ion
Approximate price 310 EUR 450 EUR
Battery life Stand by time- Up to 456 h Talking time- Up to 6 h 30 min
Communication and Connectivity SIM card Mini-SIM Hybrid Dual SIM (Nano-SIM, dual stand-by)
Network Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2  CDMA 800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 & TD-SCDMA  CDMA2000 1xEV-DO -4G - LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 38(2600), 39(1900), 40(2300), 41(2500)
Speed HSPA 7.2/5.76 Mbps HSPA 42.2/5.76 Mbps, LTE-A Cat6 300/50 Mbps
GPRS Yes Yes
Edge Yes Yes
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS
NFC Yes
USB microUSB 2.0 Type-C 1.0 reversible connector
Bluetooth 3.0, A2DP v4.2, A2DP, LE
Harmful irradiation SAR - 0.34 W/kg (head)     0.96 W/kg (body)    
Music and Audio Radio No
Headphone jack Yes Yes
Others 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features Dop Sensors Accelerometer, proximity - T-Mobile TV -MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -ThinkFree Office document editor , PDF viewer -Voice memo -Predictive text input - Optical trackpad - Also known as T-Mobile T839 Sidekick 4G Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass - Fast battery charging (Quick Charge 3.0) - For China

An overview of the main advantages of each of the devices

Reasons to buy Sidekick 4G
  • Internal memory 512 GB
  • External memory microSD GB
Reasons to buy Axon 9 Pro
  • Screen 5.5"
  • Front camera 8 MP
  • External memory microSD GB