Honor 300 Ultra vs Xiaomi 14 Pro: A Deep Dive into Snapdragon 8 Gen 3 Flagships

Both the Honor 300 Ultra and Xiaomi 14 Pro represent the pinnacle of Android smartphone technology, powered by the latest Qualcomm Snapdragon 8 Gen 3 chipset. However, subtle differences in CPU configuration and charging capabilities create distinct user experiences. This comparison dissects these nuances to determine which device reigns supreme for power users, gamers, and everyday consumers.
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🏆 Quick Verdict

For users prioritizing the absolute fastest charging speeds and a slightly more aggressive CPU profile, the Xiaomi 14 Pro is the winner. Its 120W wired charging completes a full charge in just 18 minutes, a noticeable advantage. However, the Honor 300 Ultra offers competitive wireless charging and a potentially more balanced thermal profile.

PHONES
Phone Names Honor 300 Ultra Xiaomi 14 Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bandsLTE1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bandsSA/NSA1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Launch
Announced2024, December 022023, October 26
StatusAvailable. Released 2024, December 07Available. Released 2023, November 01
Body
BuildGlass front, glass back or silicone polymer back (eco leather)Glass front, aluminum frame or titanium frame, glass back
Dimensions163.8 x 75.3 x 8.2 mm (6.45 x 2.96 x 0.32 in)161.4 x 75.3 x 8.5 mm
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight198 g (6.98 oz)223 g or 230 g (7.87 oz)
Display
ProtectionGiant rhino glassShatterproof glass
Resolution1224 x 2700 pixels (~437 ppi density)1440 x 3200 pixels, 20:9 ratio (~522 ppi density)
Size6.78 inches, 111.5 cm2 (~90.4% screen-to-body ratio)6.73 inches, 108.9 cm2 (~89.6% screen-to-body ratio)
TypeAMOLED, 1B colors, 120Hz, HDR, 1200 nits (HBM), 4000 nits (peak)LTPO AMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 3000 nits (peak)
Platform
CPUOcta-core (1x3.0 GHz Cortex-X4 & 5x2.95 GHz Cortex-A720 & 2x2.0 GHz Cortex-A520)Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
ChipsetQualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
GPUAdreno 750Adreno 750
OSAndroid 15, MagicOS 9Android 14, HyperOS
Memory
Card slotNoNo
Internal512GB 12GB RAM, 1TB 16GB RAM256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Main Camera
FeaturesLED flash, HDR, panoramaLaser AF, color spectrum sensor, Leica lens, Dual-LED dual-tone flash, HDR, panorama
Triple50 MP, f/2.0, (wide), 1/1.56", 1.0µm, PDAF, OIS 50 MP, f/3.0, (periscope telephoto), 1/2.51", 0.7µm, PDAF, OIS, 3.8x optical zoom 12 MP, f/2.2, 112˚ (ultrawide), AF50 MP, f/1.4-f/4.0, 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 50 MP, f/2.0, 75mm (telephoto), PDAF (10cm - ∞), OIS, 3.2x optical zoom 50 MP, f/2.2, 14mm, 115˚ (ultrawide), AF
Video4K, 1080p, gyro-EIS, OIS8K@24fps (HDR), 4K@24/30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG), 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS
Selfie camera
Dual50 MP, f/2.1, (wide) 2 MP, f/2.4, (depth)-
FeaturesHDRHDR, panorama
Single-32 MP, f/2.0, 22mm (wide), 0.7µm
Video4K, 1080p, gyro-EIS4K@30/60fps, 1080p@30/60fps, gyro-EIS
Sound
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.3, A2DP, LE, aptX HD5.4, A2DP, LE, aptX HD, aptX Adaptive
Infrared portYesYes
NFCYesYes
PositioningGPS, GALILEO, GLONASS, QZSS, BDS (B1I+B1c)GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 3.2 Gen 2, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, compass, ultrasound proximityFingerprint (under display, optical), accelerometer, proximity, gyro, compass, barometer
Battery
Charging100W wired, 59% in 15 min 80W wireless, 39% in 15 min 5W reverse wired Reverse wireless120W wired, PD3.0, QC4, 100% in 18 min 50W wireless, 100% in 40 min 10W reverse wireless
TypeSi/C Li-Ion 5300 mAhLi-Po 4880 mAh
Misc
ColorsBlack, WhiteBlack, Silver, Titanium, Green
Models-23116PN5BC
PriceAbout 550 EURAbout 650 EUR

Honor 300 Ultra

  • Faster Wireless Charging (80W)
  • Potentially better sustained performance due to lower peak CPU clock
  • Likely more balanced thermal profile

  • Slower Wired Charging (100W)
  • Lower peak CPU clock speed compared to Xiaomi 14 Pro

Xiaomi 14 Pro

  • Faster Wired Charging (120W)
  • Higher peak CPU clock speed for burst performance
  • Potentially more responsive in short tasks

  • Slower Wireless Charging (50W)
  • Potential for more thermal throttling under sustained load

Display Comparison

While both devices are expected to feature high-quality OLED displays, the provided data doesn't detail specifics like resolution or refresh rate. However, given their flagship status, both will likely offer 120Hz refresh rates and excellent color accuracy. The absence of display specs necessitates further testing to determine differences in peak brightness, HDR support, and panel technology (LTPO for variable refresh rate).

Camera Comparison

The provided data lacks camera specifications. Based on market trends, both phones are expected to feature advanced camera systems. However, without sensor size, aperture, or OIS details, a direct comparison is impossible. We anticipate both will include a primary wide-angle lens, ultrawide, and telephoto lenses. Image processing styles will likely differ, with Xiaomi historically favoring vibrant colors and Honor leaning towards more natural tones.

Performance

Both the Honor 300 Ultra and Xiaomi 14 Pro utilize the Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4nm). The key difference lies in the CPU configuration. The Xiaomi 14 Pro boasts a slightly higher peak CPU clock speed of 3.3 GHz on its prime Cortex-X4 core, compared to the Honor 300 Ultra’s 3.0 GHz. This suggests the Xiaomi 14 Pro will deliver marginally faster single-core performance in burst scenarios. However, the Xiaomi 14 Pro also has a wider spread of Cortex-A720 cores (3x @ 3.2GHz vs 5x @ 2.95GHz on the Honor), which could impact sustained multi-core performance. Both devices employ LPDDR5x RAM, but the speed (e.g., 8533MHz) remains unspecified. Thermal management will be crucial; the Xiaomi’s higher clock speeds may lead to more aggressive throttling under prolonged heavy loads.

Battery Life

The Honor 300 Ultra supports 100W wired charging, achieving 59% charge in 15 minutes, and 80W wireless charging, reaching 39% in 15 minutes. The Xiaomi 14 Pro, conversely, offers 120W wired charging, completing a full charge in 18 minutes, and 50W wireless charging, reaching 100% in 40 minutes. While the Honor 300 Ultra’s wireless charging is significantly faster initially, the Xiaomi 14 Pro’s wired charging is substantially quicker overall. The battery capacity of both devices is currently unknown, but the faster charging speeds of the Xiaomi 14 Pro partially offset any potential capacity disadvantage.

Buying Guide

Buy the Honor 300 Ultra if you value a strong all-around experience with excellent wireless charging capabilities (80W) and potentially better sustained performance due to a slightly lower peak CPU clock. Buy the Xiaomi 14 Pro if you absolutely need the fastest possible wired charging (120W) and prefer a CPU tuned for maximum burst performance, even if it means potentially more thermal throttling under extended load.

Frequently Asked Questions

❓ Will the Xiaomi 14 Pro's Snapdragon 8 Gen 3 overheat during extended gaming sessions?
The Xiaomi 14 Pro's higher CPU clock speed could lead to increased heat generation during prolonged gaming. While the Snapdragon 8 Gen 3 is efficient, the aggressive clock speed may necessitate more aggressive thermal throttling to maintain stable performance. Real-world testing will be crucial to determine the extent of this throttling.
❓ How does the Honor 300 Ultra's 80W wireless charging compare to other flagship phones?
The Honor 300 Ultra's 80W wireless charging is exceptionally fast, exceeding the wireless charging speeds of most competitors. It's a significant advantage for users who frequently rely on wireless charging, offering a substantial top-up in a short amount of time.
❓ Does the difference in CPU clock speeds between the two phones translate to a noticeable difference in everyday use?
The difference in CPU clock speeds (3.3 GHz vs 3.0 GHz) is unlikely to be noticeable in most everyday tasks like browsing, social media, or video playback. The Snapdragon 8 Gen 3 is powerful enough to handle these tasks with ease on both devices. The difference will be more apparent in demanding applications like video editing or graphically intensive games.