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Full Differences Change compare mode	Review Specs	Review Specs 256GB 8GB RAM $ 399.00

HTC One A9

HTC U23 Pro

Network
Technology	GSM / HSPA / LTE	GSM / HSPA / LTE / 5G
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Americas	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
	HSDPA 850 / 900 / 1900 / 2100
4G Network	2, 3, 4, 5, 7, 12, 13, 17, 29 - Americas	1, 3, 5, 7, 8, 12, 17, 20, 28, 38, 39, 40, 41
	1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - EMEA/ Asia
5G Network		1, 3, 7, 20, 28, 41, 78 SA/NSA
Speed	HSPA, LTE Cat7 (2CA) 300/100 Mbps	HSPA, LTE, 5G

Launch
Announced	2015, September. Released 2015, November	2023, May 18
Status	Discontinued	Available. Released 2023, May 18

Body
Dimensions	145.8 x 70.8 x 7.3 mm (5.74 x 2.79 x 0.29 in)	166.6 x 77.1 x 8.9 mm (6.56 x 3.04 x 0.35 in)
Weight	143 g (5.04 oz)	205 g (7.23 oz)
Build		Glass front (Gorilla Glass Victus), plastic frame, plastic back
SIM	Nano-SIM	Dual SIM (Nano-SIM, dual stand-by)
		IP67 dust/water resistant (up to 1m for 30 min)

Display
Type	AMOLED	OLED, 120Hz
Size	5.0 inches, 68.9 cm2 (~66.8% screen-to-body ratio)	6.7 inches, 108.4 cm2 (~84.4% screen-to-body ratio)
Resolution	1080 x 1920 pixels, 16:9 ratio (~441 ppi density)	1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Protection	Corning Gorilla Glass 3	Corning Gorilla Glass Victus

Platform
OS	Android 6.0 (Marshmallow), upgradable to 7.0 (Nougat), Sense UI	Android 13
Chipset	Qualcomm MSM8952 Snapdragon 617 (28 nm)	Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU	Octa-core (4x1.5 GHz Cortex-A53 & 4x1.2 GHz Cortex-A53)	Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU	Adreno 405	Adreno 644

Memory
Card slot	microSDXC (dedicated slot)	microSDXC
Internal	16GB 2GB RAM, 32GB 3GB RAM	256GB 8GB RAM, 256GB 12GB RAM
	eMMC 5.1

Main Camera
Modules	13 MP, f/2.0, AF, OIS	108 MP, f/1.7, (wide), 1/1.67", 0.64μm, PDAF, OIS 8 MP, f/2.4, 120˚ (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.2, (macro) 2 MP, f/2.4, (depth)
Features	Dual-LED dual-tone flash, panorama, HDR	Dual-LED flash, HDR, panorama
Video	1080p@30fps	4K@30fps, 1080p@30fps, gyro-EIS

Selfie Camera
Modules	4 MP, f/2.0, 27mm (wide), 1/3", 2µm	32 MP, f/2.5, (wide), 1/3.2", 0.7µm
Features	HDR	HDR
Video	1080p@30fps	1080p@30fps

Sound
Loudspeaker	Yes	Yes
3.5mm jack	Yes	Yes
	24-bit/192kHz audio

Comms
WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA	Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Bluetooth	4.1, A2DP, aptX	5.2, A2DP, LE
Positioning	GPS, GLONASS	GPS, GLONASS, GALILEO, BDS
NFC	Yes (payments only)	Yes
Infrared port	No	No
Radio	FM radio	No
USB	microUSB 2.0, OTG	USB Type-C 3.0

Features
Sensors	Fingerprint (front-mounted), accelerometer, gyro, proximity, compass	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass

Battery
Type	Li-Ion 2150 mAh, non-removable	Li-Ion 4600 mAh, non-removable
Charging	18W wired, QC3	30W wired 15W wireless 5W reverse wireless Reverse wired
Stand-by	Up to 432 h (3G)
Talk time	Up to 16 h (3G)
Music play	Up to 60 h

Misc
Colors	Carbon Gray, Opal Silver, Topaz Gold, Deep Garnet, Pink	Snow White, Coffee Black
SAR EU	0.41 W/kg (head)
Models	One A9, 2PQ93, A9u, 2PQ910	2QC9200, 2QC9100, 2QCB100
Price	About 300 EUR	$ 329.99 / C$ 552.83 / £ 267.82 / € 306.42

Tests
Performance	Basemark OS II 2.0: 644 Basemark X: 6617	AnTuTu: 534643 (v9), 688082 (v10) GeekBench: 2947 (v5), 3007 (v6) GFXBench: 33fps (ES 3.1 onscreen)
Display	Contrast ratio: Infinite (nominal), 4.274 (sunlight)	Contrast ratio: Infinite (nominal)
Camera	Compare PHOTO / Compare VIDEO
Loudspeaker	Voice 65dB / Noise 64dB / Ring 67dB	-26.0 LUFS (Very good)
Audio quality	Noise -94.8dB / Crosstalk -94.0dB
Battery (old)	Endurance rating 46h	Endurance rating 83h