Redmi K90 Pro Max vs. Realme GT3: A Deep Dive into Performance and Charging
| Phones Images | |||||
|---|---|---|---|---|---|
|
🏆 Quick Verdict
For users prioritizing raw performance and future-proofing, the Xiaomi Redmi K90 Pro Max is the clear winner. Its Snapdragon 8 Elite Gen 5 chipset offers a significant leap in CPU and GPU capabilities. However, the Realme GT3’s 240W charging is unmatched, making it ideal for those who demand the absolute fastest replenishment.
| PHONES | ||
|---|---|---|
| Phone Names | Xiaomi Redmi K90 Pro Max | Realme GT3 |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66 | LTE |
| 5G bands | 1, 3, 5, 7, 8, 18, 26, 28, 38, 40, 41, 48, 66, 77, 78, 80, 81, 83, 84, 89 SA/NSA | SA/NSA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / HSPA / LTE / 5G | GSM / HSPA / LTE / 5G |
| Launch | ||
|---|---|---|
| Announced | 2025, October 23 | 2023, February 28 |
| Status | Available. Released 2025, October 23 | Available. Released 2023, July 08 |
| Body | ||
|---|---|---|
| Build | Glass front (Dragon Crystal Glass), aluminum alloy frame, fiber-reinforced plastic back or silicone polymer back | Glass front, plastic frame, glass back |
| Dimensions | 163.3 x 77.8 x 7.9 mm (6.43 x 3.06 x 0.31 in) | 163.9 x 75.8 x 8.9 mm (6.45 x 2.98 x 0.35 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 218 g (7.69 oz) | 199 g (7.02 oz) |
| - | Illuminated RGB (on the back) | |
| Display | ||
|---|---|---|
| Protection | Xiaomi Dragon Crystal Glass | - |
| Resolution | 1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density) | 1240 x 2772 pixels, 20:9 ratio (~451 ppi density) |
| Size | 6.9 inches, 116.6 cm2 (~91.8% screen-to-body ratio) | 6.74 inches, 109.2 cm2 (~87.9% screen-to-body ratio) |
| Type | AMOLED, 68B colors, 2560Hz PWM, 120Hz, Dolby Vision, HDR Vivid, HDR10+, 3500 nits (peak) | AMOLED, 1B colors, 144Hz, HDR10+, 500 nits (typ), 1100 nits (HBM), 1400 nits (peak) |
| Platform | ||
|---|---|---|
| CPU | Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M) | Octa-core (1x3.0 GHz Cortex-X2 & 3x2.5 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) |
| Chipset | Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm) | Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) |
| GPU | Adreno 840 | Adreno 730 |
| OS | Android 16, HyperOS 3 | Android 13, upgradable to Android 14, Realme UI 5.0 |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM | 128GB 8GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 16GB RAM, 1TB 16GB RAM |
| - | UFS 3.1 | |
| Main Camera | ||
|---|---|---|
| Features | Color spectrum sensor, LED flash, HDR, panorama | Dual-LED dual-tone flash, HDR, panorama |
| Single | - | 16 MP, f/2.5, 25mm (wide), 1/3.09", 1.0µm |
| Triple | 50 MP, f/1.7, 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 50 MP, f/3.0, 115mm (periscope telephoto), 1/2.76", 0.64µm, PDAF (30cm - ∞), OIS, 5x optical zoom 50 MP, f/2.4, 18mm, 102˚ (ultrawide), 1/2.88", 0.61µm | 50 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) |
| Video | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS, HDR10+ | 4K@30/60fps, 1080p@30/60fps, gyro-EIS |
| Selfie camera | ||
|---|---|---|
| Features | - | HDR, panorama |
| Single | 32 MP, f/2.2, 21mm (wide), 1/3.44", 0.64µm | 16 MP, f/2.5, 25mm (wide), 1/3.09", 1.0µm |
| Video | 4K@30fps, 1080p@30/60fps | 1080p@30fps, gyro-EIS |
| Sound | ||
|---|---|---|
| 3.5mm jack | - | No |
| 35mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers (with Dolby Atmos) | Yes, with stereo speakers |
| - | 24-bit/192kHz audio | |
| Comms | ||
|---|---|---|
| Bluetooth | 5.4, A2DP, LE, LHDC 5.0, ASHA, MIHC | 5.3, A2DP, LE, aptX HD |
| Infrared port | Yes | Yes |
| NFC | Yes | Yes (dual side) |
| Positioning | GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC, GLONASS | GPS (L1+L5), GLONASS, BDS, GALILEO, QZSS |
| Radio | No | No |
| USB | USB Type-C 3.2, Display Port, OTG | USB Type-C 2.0 |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Battery | ||
|---|---|---|
| Charging | 100W wired, PD3.0, QC3+, 100W PPS 50W wireless 22.5W reverse wireless | 240W wired, PD, 50% in 4 min, 100% in 10 min |
| Type | Si/C Li-Ion 7560 mAh | 4600 mAh |
| Misc | ||
|---|---|---|
| Colors | Black, White, Denim Blue, Lamborgini White | Pulse White, Booster Black |
| Models | - | RMX3709 |
| Price | About 500 EUR | About 600 EUR |
| Tests | ||
|---|---|---|
| Battery life | - | Endurance rating 117h |
| Camera | - | Photo / Video |
| Display | - | Contrast ratio: Infinite (nominal) |
| Loudspeaker | - | -26.9 LUFS (Good) |
| Performance | - | AnTuTu: 1074427 (v9) GeekBench: 3898 (v5.1), 3980 (v6) GFXBench: 59fps (ES 3.1 onscreen) |
Xiaomi Redmi K90 Pro Max
- Significantly more powerful Snapdragon 8 Elite Gen 5 chipset
- Potentially better thermal management due to 3nm process
- Versatile charging standards (PD3.0, QC3+, PPS)
- Slower wired charging compared to the Realme GT3
- Camera specifications currently unknown
Realme GT3
- Industry-leading 240W wired charging
- Competitive price point
- High peak display brightness (974 nits)
- Older Snapdragon 8+ Gen 1 chipset
- Less future-proofed processor
Display Comparison
The Realme GT3 boasts a measured peak brightness of 974 nits, a respectable figure, but the Redmi K90 Pro Max’s display specifications are currently unknown. Given Xiaomi’s track record, it’s likely to match or exceed this brightness. Both displays feature an infinite (nominal) contrast ratio, typical of OLED panels. Without PWM dimming frequency data for the K90 Pro Max, it’s difficult to assess potential eye strain differences, but the GT3’s display is a solid performer. The absence of LTPO information for both devices suggests they may not offer adaptive refresh rates for optimal power efficiency.
Camera Comparison
Both devices are listed as having Photo/Video capabilities, but specific details are lacking. Without sensor size, aperture, or OIS information, a direct comparison is impossible. However, given the K90 Pro Max’s positioning as a flagship, it’s reasonable to expect a more sophisticated camera system with a larger sensor and advanced image processing. The GT3’s camera is likely competent, but the K90 Pro Max is expected to deliver superior image quality, particularly in low-light conditions. The lack of detail regarding camera features makes this a significant unknown.
Performance
The core difference lies in the chipsets. The Redmi K90 Pro Max utilizes the Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5, built on a 3nm process, featuring an octa-core CPU with Oryon V3 Phoenix L and M cores clocked up to 4.6 GHz. This represents a substantial architectural upgrade over the Realme GT3’s Snapdragon 8+ Gen 1 (4nm). The 8+ Gen 1 uses a more traditional core configuration (1x Cortex-X2, 3x Cortex-A710, 4x Cortex-A510) peaking at 3.0 GHz. The 3nm process and Oryon architecture of the K90 Pro Max’s chipset promise significantly improved performance and thermal efficiency, translating to sustained higher clock speeds during demanding tasks like gaming and video editing. The K90 Pro Max will likely exhibit less throttling under load.
Battery Life
The Realme GT3’s standout feature is its 240W wired charging, capable of reaching 100% in just 10 minutes and 50% in 4 minutes. This is significantly faster than the Redmi K90 Pro Max’s 100W wired charging, despite supporting PD3.0, QC3+, and 100W PPS. Both phones offer 50W wireless charging and 22.5W reverse wireless charging. While the K90 Pro Max offers more versatile charging standards, the GT3’s speed is unparalleled. Both devices share an endurance rating of 117h, suggesting similar battery life despite the K90 Pro Max’s potentially more power-hungry chipset, likely offset by the efficiency gains of the 3nm process.
Buying Guide
Buy the Xiaomi Redmi K90 Pro Max if you need the most powerful Android processor available, demanding gaming performance, and a device that will remain competitive for years to come. Buy the Realme GT3 if you prioritize incredibly fast charging, are frequently away from power outlets, and want a flagship experience without the absolute highest price tag. The GT3 is a strong contender for users who value convenience over peak performance.