HTC U Ultra vs. HTC Desire 10 Pro: A Detailed Comparison

Released in different eras and targeting distinct price points, the HTC U Ultra and Desire 10 Pro represent contrasting approaches to the smartphone market. The U Ultra aimed for a premium experience with flagship internals, while the Desire 10 Pro focused on delivering a solid feature set at a more accessible price. This comparison dissects their key differences to help you determine which device best suits your needs.
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🏆 Quick Verdict

For users prioritizing performance and display quality, the HTC U Ultra is the clear winner. Its Snapdragon 821 chipset and superior display contrast ratio offer a significantly smoother and more vibrant experience. However, the Desire 10 Pro remains a viable option for budget-conscious buyers who prioritize battery life and don't demand top-tier processing power.

PHONES
Phone Names HTC U Ultra HTC Desire 10 Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 39, 40, 411, 3, 5, 7, 8, 20, 28, 38, 40
SpeedHSPA 42.2/5.76 Mbps, LTE (3CA) Cat11 600/50 MbpsHSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2017, January 12. Released 2017, February 212016, September 20. Released 2016, December 20
StatusDiscontinuedDiscontinued
Body
BuildGlass front (Gorilla Glass 5 or Sapphire crystal), glass back, aluminum frameGlass front (Gorilla Glass), aluminum back, aluminum frame
Dimensions162.4 x 79.8 x 8 mm (6.39 x 3.14 x 0.31 in)156.5 x 76 x 7.9 mm (6.16 x 2.99 x 0.31 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight170 g (6.00 oz)165 g (5.82 oz)
Display
ProtectionCorning Gorilla Glass 5 (64 GB version)Sapphire crystal glass (128 GB version)Corning Gorilla Glass (unspecified version)
Resolution1440 x 2560 pixels, 16:9 ratio (~513 ppi density)1080 x 1920 pixels, 16:9 ratio (~400 ppi density)
Size5.7 inches, 90.3 cm2 (~69.7% screen-to-body ratio)5.5 inches, 83.8 cm2 (~70.5% screen-to-body ratio)
TypeSuper LCD5IPS LCD
 Secondary display, 160 x 1040 pixels, 2 inches-
Platform
CPUQuad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)Octa-core (4x1.8 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
ChipsetQualcomm MSM8996 Snapdragon 821 (14 nm)Mediatek MT6755 Helio P10 (28 nm)
GPUAdreno 530Mali-T860MP2
OSAndroid 7.0 (Nougat), upgradable to Android 8.0 (Oreo)Android 6.0 (Marshmallow)
Memory
Card slotmicroSDXC (uses shared SIM slot)microSDXC (uses shared SIM slot)
Internal64GB 4GB RAM, 128GB 4GB RAM64GB 4GB RAM
 -eMMC 5.1
Main Camera
FeaturesLaser AF, Dual-LED dual-tone flash, panoramaLaser AF, Dual-LED dual-tone flash, panorama
Single12 MP, f/1.8, 26mm (wide), 1/2.3", 1.55µm, PDAF, OIS20 MP, f/2.2, 28mm (wide)
Video4K@30fps (24-bit/192kHz audio), 720p@120fps1080p@30fps
Selfie camera
FeaturesHDRHDR
Single16 MP, f/2.0, 27mm (wide), 1/3.06", 1.0µm13 MP, f/2.2, 28mm (wide), 1/3.1", 1.12µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack NoYes
35mm jackNoYes
Loudspeaker YesYes, dual mono speakers
 24-bit/192kHz audio -
Comms
Bluetooth4.2, A2DP, LE4.2, A2DP, LE
NFCYesYes
PositioningGPS, GLONASS, BDSGPS, GLONASS
RadioNoFM radio
USBUSB Type-C 3.1microUSB 2.0
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNAWi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (front-mounted), accelerometer, gyro, proximity, compassFingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Battery
Charging18W wired, QC310W wired
Music play-Up to 53 h
Stand-byUp to 312 h (3G)Up to 480 h (3G)
Talk timeUp to 26 h (3G)Up to 19 h (3G)
TypeLi-Ion 3000 mAh, non-removableLi-Ion 3000 mAh, non-removable
Misc
ColorsBrilliant Black, Cosmetic Pink, Ice White, Sapphire BlueStone Black, Polar White, Royal Blue, Valentine Lux, Mint Green
ModelsU Ultra, U-1u, 2PZF1Desire 10 pro, D10i
PriceAbout 250 EURAbout 260 EUR
Tests
Battery lifeEndurance rating 81h-
Camera Photo / Video-
Display Contrast ratio: 1831 (nominal), 3.453 (sunlight)-
Loudspeaker Voice 61dB / Noise 73dB / Ring 86dB-
Performance GFXBench: 10fps (ES 3.1 onscreen)-

HTC U Ultra

  • Significantly faster processor for demanding tasks
  • Superior display contrast for better visibility
  • Faster charging with Quick Charge 3.0

  • Likely higher price point
  • Potentially shorter battery life compared to Desire 10 Pro (despite good endurance rating)

HTC Desire 10 Pro

  • More affordable price
  • Potentially longer battery life due to less demanding hardware
  • Octa-core processor offers decent performance for everyday tasks

  • Slower processor struggles with demanding applications
  • Slower charging speed
  • Inferior display quality

Display Comparison

The HTC U Ultra boasts a significantly more refined display experience. While both phones lack detailed display specifications beyond contrast ratios, the U Ultra’s contrast ratio of 1831 (nominal) and 3.453 (sunlight) suggests superior visibility in bright conditions compared to the Desire 10 Pro, which lacks this data. This difference is likely due to the U Ultra’s positioning as a flagship device, benefiting from higher-quality panel technology. The absence of detailed specs on the Desire 10 Pro’s display suggests a more cost-optimized solution.

Camera Comparison

Both phones are listed with 'Photo / Video' capabilities, but lack specific details regarding sensor size, aperture, or features like Optical Image Stabilization (OIS). Given the U Ultra’s flagship status, it likely features a more advanced camera system with a larger sensor and potentially OIS, resulting in better low-light performance and image quality. The Desire 10 Pro, positioned as a mid-range device, likely employs a more basic camera setup. Without further specifications, it’s difficult to provide a detailed comparison, but the U Ultra’s higher price point suggests a superior camera experience.

Performance

The performance gap between these two devices is substantial. The HTC U Ultra’s Qualcomm MSM8996 Snapdragon 821, built on a 14nm process, is a flagship-class chipset featuring a quad-core CPU (2x2.15 GHz Kryo & 2x1.6 GHz Kryo). This contrasts sharply with the Desire 10 Pro’s MediaTek MT6755 Helio P10, fabricated on a larger 28nm node, and utilizing an octa-core configuration (4x1.8 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53). The smaller fabrication process of the Snapdragon 821 translates to better thermal efficiency and higher sustained performance, crucial for demanding applications. The Desire 10 Pro’s Helio P10, while offering more cores, relies on less efficient Cortex-A53 cores and a larger process node, resulting in lower overall performance.

Battery Life

The HTC U Ultra achieves an endurance rating of 81 hours, indicating strong battery life. While the Desire 10 Pro’s battery capacity isn’t specified, its 10W wired charging is significantly slower than the U Ultra’s 18W charging with Quick Charge 3.0 (QC3). This means the U Ultra can be charged more quickly, minimizing downtime. The U Ultra’s endurance rating suggests efficient power management despite its powerful processor, potentially offsetting the Desire 10 Pro’s potentially larger battery capacity.

Buying Guide

Buy the HTC U Ultra if you need a responsive device for demanding tasks like gaming or video editing, and value a high-quality display for media consumption. Buy the HTC Desire 10 Pro if you prefer a longer-lasting battery and a more affordable price point, and primarily use your phone for basic communication, social media, and light web browsing.

Frequently Asked Questions

❓ Is the Snapdragon 821 in the U Ultra still capable of handling modern apps and games?
Despite being a few years old, the Snapdragon 821 remains a capable processor. It can handle most modern apps and games, although you might encounter some limitations with the most graphically demanding titles at maximum settings. Its 14nm process and Kryo cores provide a good balance of performance and efficiency.
❓ Does the Desire 10 Pro's Helio P10 chipset struggle with multitasking?
The Helio P10, with its Cortex-A53 cores, can handle basic multitasking, such as switching between messaging apps and web browsing. However, it may exhibit slowdowns when running multiple resource-intensive applications simultaneously. It's best suited for users who primarily focus on one task at a time.
❓ How does the 28nm process of the Helio P10 affect battery life in the Desire 10 Pro?
The 28nm process is less efficient than the 14nm process used in the Snapdragon 821. This means the Helio P10 consumes more power for the same level of performance, potentially impacting battery life. However, the Desire 10 Pro's less demanding hardware may offset this inefficiency to some extent.