Realme GT8 (China) vs Xiaomi 13T: A Deep Dive into Performance, Battery, and Display

The Realme GT8 (China) and Xiaomi 13T represent compelling options in the mid-to-high range, but cater to different priorities. The GT8, with its cutting-edge Snapdragon 8 Elite, aims for uncompromising performance, while the 13T focuses on a well-rounded experience with a strong emphasis on battery endurance and display quality. This comparison dissects their key differences to help you choose the right device.
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🏆 Quick Verdict

For users prioritizing raw processing power and gaming performance, the Realme GT8 (China) is the clear winner thanks to its Snapdragon 8 Elite. However, the Xiaomi 13T delivers a more balanced package with significantly longer battery life and a brighter display, making it the better choice for everyday users.

PHONES
Phone Names Realme GT8 (China) Xiaomi 13T
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 bands1, 3, 4, 5, 8, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42, 48, 661, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 38, 40, 41, 66
5G bands1, 3, 5, 8, 18, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / HSPA / LTE / 5G
Launch
Announced2025, October 212023, September 26
StatusAvailable. Released 2025, October 21Available. Released 2023, September 26
Body
BuildGlass front, aluminum frame, fiber-reinforced plastic back or silicone polymer (eco leather) backGlass front (Gorilla Glass 5), glass back or silicone polymer back, plastic frame
Dimensions161.8 x 76.9 x 8.2 mm (6.37 x 3.03 x 0.32 in)162.2 x 75.7 x 8.5 mm (6.39 x 2.98 x 0.33 in)
SIMNano-SIM + Nano-SIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIM
Weight209 g or 214 g (7.37 oz)193 g or 197 g (6.81 oz)
Display
Protection-Corning Gorilla Glass 5
Resolution1440 x 3136 pixels, 19.5:9 ratio (~508 ppi density)1220 x 2712 pixels, 20:9 ratio (~446 ppi density)
Size6.79 inches, 112.8 cm2 (~90.7% screen-to-body ratio)6.67 inches, 107.4 cm2 (~87.5% screen-to-body ratio)
TypeAMOLED, 144Hz, HDR, 1000 nits (typ), 2000 nits (HBM), 7000 nits (peak)AMOLED, 68B colors, 144Hz, Dolby Vision, HDR10+, 1200 nits (HBM), 2600 nits (peak)
Platform
CPUOcta-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)Octa-core (1x3.1 GHz Cortex-A78 & 3x3.0 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
ChipsetQualcomm SM8750-AB Snapdragon 8 Elite (3 nm)Mediatek Dimensity 8200 Ultra (4 nm)
GPUAdreno 830Mali-G610 MC6
OSAndroid 16, up to 4 major Android upgrades, Realme UI 7.0Android 13, up to 4 major Android upgrades, HyperOS
Memory
Card slotNoNo
Internal256GB 12GB RAM, 256GB 16GB RAM, 512GB 16GB RAM, 1TB 16GB RAM256GB 8GB RAM, 256GB 12GB RAM
Main Camera
FeaturesRicoh lens, Color spectrum sensor, LED flash, HDR, panoramaLeica lens, color spectrum sensor, LED flash, HDR, panorama
Triple50 MP, f/1.8, 22mm (wide), 1/1.56", 1.0µm, multi-directional PDAF, OIS 50 MP, f/2.8, 80mm, (periscope telephoto), PDAF, OIS, 3.5x optical zoom 8 MP, f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm50 MP, f/1.9, 24mm (wide), 1/1.28", 1.22µm, PDAF, OIS 50 MP, f/1.9, 50mm (telephoto), 1/2.88", 0.61µm, PDAF, 2x optical zoom 12 MP, f/2.2, 15mm (ultrawide), 1/3.06", 1.12µm
Video8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, gyro-EIS, HDR4K@30fps (HDR10+), 1080p@30/60/120fps, gyro-EIS
Selfie camera
FeaturesPanoramaHDR
Single16 MP, f/2.4, 23mm (wide), 1/3.09", 1.0µm20 MP, f/2.2, (wide), 0.8µm
VideoYes1080p@30fps, HDR10+
Sound
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth6.0, A2DP, LE, aptX HD, LHDC 55.4, A2DP, LE
Infrared portYesYes
NFCYesYes (market/region dependent)
PositioningGPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), GLONASSGPS (L1+L5), GLONASS (G1), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), BDS
RadioNoNo
USBUSB Type-C, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6/7, dual-bandWi-Fi 802.11 a/b/g/n/ac/6, dual-band
Features
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging100W wired, 14.4W PD, 45 min to 100%67W wired, PD3.0, QC4, 100% in 42 min
TypeSi/C Li-Ion 7000 mAhLi-Po 5000 mAh
Misc
ColorsBlue, Green, WhiteAlpine Blue, Meadow Green, Black
Models-2306EPN60G
PriceAbout 350 EUR$ 255.96 / £ 326.27 / € 204.18
SAR EU-0.99 W/kg (head)     0.99 W/kg (body)

Realme GT8 (China)

  • Unmatched processing power with Snapdragon 8 Elite
  • Faster charging speeds (100W)
  • Potentially better thermal management due to 3nm process

  • Battery life likely to be shorter than Xiaomi 13T
  • Camera specifications unknown
  • Limited availability (China only)

Xiaomi 13T

  • Excellent battery life (12:23h active use)
  • Brighter display (1264 nits)
  • Competitive charging speed (67W)

  • Less powerful chipset compared to Snapdragon 8 Elite
  • May experience throttling under sustained heavy load
  • Camera details are vague

Display Comparison

The Xiaomi 13T boasts a significantly brighter display, reaching a measured 1264 nits, which translates to superior visibility in direct sunlight. While the Realme GT8’s display specifications are not provided, the 13T’s brightness advantage is substantial. The 13T also likely benefits from modern panel technology, though details like LTPO are missing. Bezels are expected to be comparable, given both phones target a similar price bracket. Color accuracy is unknown for both, but Xiaomi typically delivers well-calibrated displays.

Camera Comparison

Camera details are limited for both devices. The Xiaomi 13T is described as having 'Photo / Video' capabilities, suggesting a versatile camera system. Without sensor size or aperture information, it’s difficult to make a direct comparison. The Realme GT8’s camera specs are entirely absent, making it impossible to assess its photographic capabilities. We can assume both phones will include a standard suite of lenses, but the quality of image processing and low-light performance will be key differentiators. Ignoring typical 2MP macro lenses, the main sensor and its accompanying optics will be the deciding factor.

Performance

The core difference lies in the chipsets. The Realme GT8’s Snapdragon 8 Elite (3nm) utilizes Oryon V2 Phoenix cores, promising a substantial performance leap over the Xiaomi 13T’s Mediatek Dimensity 8200 Ultra (4nm). The Snapdragon’s 2x4.32 GHz Oryon V2 Phoenix L cores will deliver significantly higher single-core performance, crucial for responsive UI and app loading. The Dimensity 8200 Ultra, while still powerful, relies on older Cortex-A78 cores. The 3nm process of the Snapdragon 8 Elite also offers superior thermal efficiency, potentially leading to less throttling during sustained workloads. The GT8 is expected to excel in GPU-intensive tasks, though RAM speed (LPDDR5x is likely on both) will play a secondary role.

Battery Life

The Xiaomi 13T shines in battery performance, achieving an active use score of 12:23h and an endurance rating of 101h. This indicates excellent power efficiency. The Realme GT8’s battery capacity is unknown, but its more powerful chipset is likely to consume more energy. The 13T’s 67W wired charging, with a full charge in 42 minutes, is competitive, but the GT8’s 100W charging offers a faster 45-minute 0-100% charge. However, the 13T’s superior battery life may negate the need for ultra-fast charging for many users.

Buying Guide

Buy the Realme GT8 (China) if you absolutely need the fastest possible Android performance for demanding games and applications, and are willing to compromise on battery life. Buy the Xiaomi 13T if you prioritize all-day battery life, a vibrant display for media consumption, and a more consistently smooth experience across a wider range of tasks, even if it means sacrificing some peak performance.

Frequently Asked Questions

❓ Will the Snapdragon 8 Elite in the Realme GT8 overheat during prolonged gaming sessions?
While the Snapdragon 8 Elite's 3nm process improves thermal efficiency, sustained high loads will still generate heat. However, it's expected to throttle less aggressively than older generation chips, offering a more consistent gaming experience. Active cooling solutions (not specified in the data) would further mitigate this.
❓ Is the 67W charging on the Xiaomi 13T fast enough for most users?
Yes, 67W charging is considered fast and will fully charge the Xiaomi 13T in approximately 42 minutes. While the Realme GT8 offers 100W charging, the 13T’s superior battery life means you’ll likely need to charge it less frequently, reducing the importance of ultra-fast charging.
❓ Does the Xiaomi 13T support high refresh rate gaming?
While not explicitly stated, the Dimensity 8200 Ultra is capable of supporting high refresh rate gaming. The Xiaomi 13T likely features a display with at least a 120Hz refresh rate, enabling smoother gameplay in compatible titles. Performance will depend on the game's optimization.