Realme GT3 vs Tecno Phantom X2 Pro: A Deep Dive into Speed and Endurance

The Tecno Phantom X2 Pro and Realme GT3 represent distinct approaches to the flagship smartphone experience. The Phantom X2 Pro focuses on a balanced package with a powerful Dimensity 9000 chipset, while the GT3 aggressively prioritizes charging speed with its groundbreaking 240W SuperDart technology. This comparison dissects these differences to determine which phone best suits your needs.
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🏆 Quick Verdict

For users prioritizing absolute charging speed and a brighter display, the Realme GT3 is the clear winner. However, the Tecno Phantom X2 Pro offers a more well-rounded experience with comparable performance and respectable battery endurance, making it a strong contender for those less fixated on record-breaking charging times.

PHONES
Phone Names Tecno Phantom X2 Pro Realme GT3
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41, 66LTE
5G bands1, 3, 8, 28, 38, 40, 41, 71, 77, 78, 79 SA/NSA/Sub6SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / HSPA / LTE / 5G
Launch
Announced2022, December 072023, February 28
StatusAvailable. Released 2023, January 17Available. Released 2023, July 08
Body
BuildGlass front (Gorilla Glass Victus), aluminum frame, plastic backGlass front, plastic frame, glass back
Dimensions164.6 x 72.7 x 9 mm (6.48 x 2.86 x 0.35 in)163.9 x 75.8 x 8.9 mm (6.45 x 2.98 x 0.35 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight201 g (7.09 oz)199 g (7.02 oz)
 -Illuminated RGB (on the back)
Display
ProtectionCorning Gorilla Glass Victus-
Resolution1080 x 2400 pixels, 20:9 ratio (~387 ppi density)1240 x 2772 pixels, 20:9 ratio (~451 ppi density)
Size6.8 inches, 111.6 cm2 (~93.3% screen-to-body ratio)6.74 inches, 109.2 cm2 (~87.9% screen-to-body ratio)
TypeAMOLED, 120Hz, 500 nitsAMOLED, 1B colors, 144Hz, HDR10+, 500 nits (typ), 1100 nits (HBM), 1400 nits (peak)
Platform
CPUOcta-core (1x3.05 GHz Cortex-X2 & 3x2.85 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)Octa-core (1x3.0 GHz Cortex-X2 & 3x2.5 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
ChipsetMediatek Dimensity 9000 (4 nm)Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)
GPUMali-G710 MC10Adreno 730
OSAndroid 12, HIOS 12Android 13, upgradable to Android 14, Realme UI 5.0
Memory
Card slotNoNo
Internal256GB 12GB RAM128GB 8GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
 UFS 3.1UFS 3.1
Main Camera
FeaturesLED flash, panorama, HDRDual-LED dual-tone flash, HDR, panorama
Single32 MP, f/2.5, (wide), 1/2.8", 0.8µm16 MP, f/2.5, 25mm (wide), 1/3.09", 1.0µm
Triple50 MP, f/1.9, (wide), 1/1.3", 1.2µm, PDAF 50 MP, f/1.5, 65mm (telephoto), 1/2.7", 0.64µm, PDAF, 2.5x optical zoom, retractable lens 13 MP, f/2.2, (ultrawide), 1/1.3", 1.12µm, AF50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP, f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/3.3, 20mm (microscope)
Video4K@30/60fps, 1080p@30fps4K@30/60fps, 1080p@30/60fps, gyro-EIS
Selfie camera
FeaturesLED flashHDR, panorama
Single32 MP, f/2.5, (wide), 1/2.8", 0.8µm16 MP, f/2.5, 25mm (wide), 1/3.09", 1.0µm
Video1080p@30fps1080p@30fps, gyro-EIS
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker YesYes, with stereo speakers
 -24-bit/192kHz audio
Comms
Bluetooth5.3, A2DP, LE5.3, A2DP, LE, aptX HD
Infrared port-Yes
NFCYesYes (dual side)
PositioningGPSGPS (L1+L5), GLONASS, BDS, GALILEO, QZSS
RadioFM radio, recordingNo
USBUSB Type-C 2.0, OTGUSB Type-C 2.0
WLANWi-Fi 802.11 a/b/g/n/ac, dual-bandWi-Fi 802.11 a/b/g/n/ac, dual-band
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging45W wired, 54% in 20 min, 100% in 60 min240W wired, PD, 50% in 4 min, 100% in 10 min
Type5160 mAh4600 mAh
Misc
ColorsStardust Gray, Mars OrangePulse White, Booster Black
ModelsAD9RMX3709
Price₹ 49,999About 600 EUR
Tests
Battery life Endurance rating 109h Endurance rating 117h
Camera Photo / Video Photo / Video
Display Contrast ratio: Infinite (nominal) Contrast ratio: Infinite (nominal)
Loudspeaker -29.3 LUFS (Average) -26.9 LUFS (Good)
Performance AnTuTu: 961576 (v9) GeekBench: 3984 (v5.1) GFXBench: 71fps (ES 3.1 onscreen) AnTuTu: 1074427 (v9) GeekBench: 3898 (v5.1), 3980 (v6) GFXBench: 59fps (ES 3.1 onscreen)

Tecno Phantom X2 Pro

  • Potentially better multi-core CPU performance with Dimensity 9000
  • Respectable battery endurance (109h)
  • Balanced feature set

  • Significantly slower charging speed (45W)
  • Dimmer display (505 nits)

Realme GT3

  • Revolutionary 240W SuperDart charging
  • Much brighter display (974 nits)
  • Slightly better battery endurance (117h)

  • CPU clock speed slightly lower than Phantom X2 Pro
  • Potential for higher thermal output due to faster charging

Display Comparison

The Realme GT3 boasts a significantly brighter display, reaching a measured 974 nits compared to the Tecno Phantom X2 Pro’s 505 nits. This difference is immediately noticeable in direct sunlight, where the GT3 will remain far more legible. Both displays share an 'Infinite' (nominal) contrast ratio, suggesting deep blacks, but the GT3’s brightness advantage is a key differentiator for outdoor users. While both likely employ high refresh rate panels (not specified in the data), the brightness gap is the defining characteristic here.

Camera Comparison

Both devices are listed as having 'Photo / Video' capabilities, but lack specific details regarding sensor size, aperture, or OIS. Given the market positioning, we can infer the Realme GT3 likely prioritizes a versatile camera system, potentially with a larger main sensor. However, without concrete specifications, it’s difficult to assess the image quality differences. The absence of detail suggests neither phone is aiming to compete with dedicated camera flagships.

Performance

Both phones utilize 4nm process technology, but employ different chipsets: the Realme GT3 with the Qualcomm Snapdragon 8+ Gen 1 and the Tecno Phantom X2 Pro with the MediaTek Dimensity 9000. The Snapdragon 8+ Gen 1 features a 3.0 GHz Cortex-X2 core, slightly slower than the Dimensity 9000’s 3.05 GHz Cortex-X2. However, the Dimensity 9000 has a more complex CPU configuration with three Cortex-A710 cores at 2.85 GHz versus the GT3’s 2.5 GHz. This suggests the Dimensity 9000 may offer slightly better multi-core performance. Real-world differences will likely be minimal for most tasks, but the Dimensity 9000 may have a slight edge in sustained workloads due to its potentially more efficient core configuration.

Battery Life

The Realme GT3’s 240W charging is its headline feature, capable of reaching 50% charge in just 4 minutes and 100% in 10 minutes. This is dramatically faster than the Tecno Phantom X2 Pro’s 45W charging, which takes 20 minutes for 54% and 60 minutes for a full charge. Despite the charging speed difference, both phones achieve similar endurance ratings: 117 hours for the GT3 and 109 hours for the Phantom X2 Pro. This suggests the GT3’s faster charging effectively mitigates any potential battery drain from its power-hungry features, while the Phantom X2 Pro relies on a more conservative power profile.

Buying Guide

Buy the Tecno Phantom X2 Pro if you need a consistently powerful performer with a solid all-around feature set and don't mind a slightly slower charging experience. It's ideal for users who value sustained performance over quick bursts of power. Buy the Realme GT3 if you absolutely demand the fastest charging available, frequently find yourself needing to top up quickly, and appreciate a significantly brighter screen for outdoor visibility. It’s geared towards power users and gamers.

Frequently Asked Questions

❓ Does the Realme GT3's 240W charging degrade the battery health faster?
While extremely fast charging can theoretically contribute to battery degradation over the long term, Realme employs intelligent charging algorithms and safety mechanisms to mitigate this risk. The GT3’s charging system dynamically adjusts the charging rate to protect the battery, and the phone includes features like battery health monitoring to optimize longevity.
❓ Is the Dimensity 9000 in the Tecno Phantom X2 Pro sufficient for demanding games like Genshin Impact?
Yes, the MediaTek Dimensity 9000 is a highly capable chipset that can comfortably handle demanding games like Genshin Impact at high settings. While the Snapdragon 8+ Gen 1 in the GT3 is also excellent, the Dimensity 9000’s CPU configuration may provide a slight advantage in sustained gaming performance, potentially leading to more consistent frame rates over extended play sessions.
❓ How does the thermal management differ between the two phones during prolonged gaming?
The Realme GT3, with its Snapdragon 8+ Gen 1, may experience slightly higher temperatures during prolonged gaming due to the chipset's inherent power draw. The Tecno Phantom X2 Pro’s Dimensity 9000, with its 4nm process and potentially more efficient core configuration, may exhibit better thermal management, resulting in less throttling and more consistent performance.