HTC U Ultra vs Google Pixel 4a

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

5.7 inches
5.8 inches

Resolution:

2560 x 1440 pixels, 513 PPI
2340 x 1080 pixels, 19.5:9 ratio, 444 PPI

Technology:

S-LCD 5
OLED

Screen-to-body:

69.19 %
82.53 %

Colors:

16 777 216

Touchscreen:

Capacitive, Multi-touch

Features:

Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
60Hz refresh rate, HDR video support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Additional display:

2.0 inches, 1040 x 160 pixels, IPS LCD

Hardware

System chip:

Qualcomm Snapdragon 821 MSM8996 Pro-AB
Qualcomm Snapdragon 730 SM7150-AA

Processor:

Quad-core, 2150 MHz, Kryo, 64-bit
Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm

GPU:

Adreno 530
Adreno 618

RAM:

4GB LPDDR4
6GB LPDDR4

Internal storage:

64GB
128GB, not expandable

Storage expansion:

microSDXC up to 2000 GB

Device type:

Smartphone
Smartphone

OS:

Android (8.0 Oreo, 7.0 Nougat)
Android (11, 10)

Battery

Capacity:

3000 mAh
3140 mAh

Type:

Not user replaceable
Li - Polymer, Not user replaceable

Battery life test results:

Charging:

Qualcomm Quick Charge 3.0
USB Power Delivery

Max charge speed:

Wired: 18.0W

Camera

Rear:

Single camera
Single camera

Main camera:

12 MP (Sapphire crystal lens cover, OIS, Laser and PDAF, BSI sensor)
12.2 MP (OIS, PDAF)

Specifications:

Aperture size: F1.8; Sensor size: 1/2.3"; Pixel size: 1.55 μm
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (120 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)

Features:

Hyperlapse, Video calling, Video sharing
EIS

Front:

16 MP (Wide Angle, Autofocus, HDR)
8 MP

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

6.39 x 3.14 x 0.31 inches (162.41 x 79.79 x 7.99 mm)
5.67 x 2.73 x 0.32 inches (144 x 69.4 x 8.2 mm)

Weight:

6.00 oz (170.0 g)
5.04 oz (143.0 g)

Materials:

Back: Glass; Frame: Aluminum
Back: Plastic; Frame: Plastic

Biometrics:

Fingerprint (touch)
Fingerprint (touch)

Features:

Touch sensitive control keys

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Black, Pink, Blue, White
Just black

Cellular

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 28(700 APT)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)

UMTS:

850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

Data Speed:

LTE-A Cat 12 (600/100 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Shared with microSD
Yes

SIM type:

Nano SIM
Nano SIM, eSIM

HD Voice:

Yes

VoLTE:

Yes

Multimedia

Headphones:

No 3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

Album art cover, Background playback
aptX, aptX-HD

Screen mirroring:

DLNA, Wireless screen share, SlimPort
Wireless screen share

Additional microphone(s):

for Noise cancellation, Video recording
for Noise cancellation

Connectivity & Features

Bluetooth:

4.2
5.1

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; Hotspot, Wi-Fi Direct
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 3.1
Type-C (reversible), USB 3.1

Features:

Mass storage device, Video out, Charging, Headphones port
Charging

Location:

GPS, A-GPS, Glonass, BeiDou
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Barometer

Other:

NFC, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync
NFC

Hearing aid compatible:

M3, T4

Phone features

Notifications:

Haptic feedback

Other features:

Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval:

Date approved:

Aug 02, 2017
Jun 25, 2020

FCC ID value:

NM82PZF100 link
A4RG025J link

Measured SAR:

Head:

1.03 W/kg
1.18 W/kg

Body:

0.22 W/kg
1.19 W/kg

Simultaneous Transmission:

1.26 W/kg
1.59 W/kg

Wireless Router:

0.54 W/kg
1.00 W/kg

Buyers information

Price:

$ 749
$ 349

In The Box:

18W USB-C power adapter, 1 m USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool

Availability

Officially announced:

Jan 12, 2017
Aug 03, 2020
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