Xiaomi Redmi K80 Ultra vs OnePlus 12R: A Deep Dive into Performance and Value
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🏆 Quick Verdict
For the average user prioritizing sustained performance and a refined software experience, the OnePlus 12R emerges as the stronger choice. Its Snapdragon 8 Gen 2 offers excellent thermal management and consistent performance, coupled with a measured 1181 nits peak brightness. While the K80 Ultra boasts a newer chipset, its real-world benefits are currently uncertain.
| PHONES | ||
|---|---|---|
| Phone Names | Xiaomi Redmi K80 Ultra | OnePlus 12R |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 800 / 850 / 900 / 1700(AWS) / 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 | 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 66 |
| 5G bands | 1, 3, 5, 7, 8, 26, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA | 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G | GSM / CDMA / HSPA / LTE / 5G |
| Launch | ||
|---|---|---|
| Announced | 2025, June 26 | 2024, January 23 |
| Status | Available. Released 2025, June 26 | Available. Released 2024, February 06 |
| Body | ||
|---|---|---|
| Build | Glass front, aluminum frame | Glass front (Gorilla Glass Victus 2), aluminum frame, glass back |
| Dimensions | 163.1 x 77.9 x 8.2 mm (6.42 x 3.07 x 0.32 in) | 163.3 x 75.3 x 8.8 mm (6.43 x 2.96 x 0.35 in) |
| SIM | Nano-SIM + Nano-SIM | · Nano-SIM + Nano-SIM + eSIM (max 2 at a time)· Nano-SIM + Nano-SIM |
| Weight | 219 g (7.72 oz) | 207 g (7.30 oz) |
| Display | ||
|---|---|---|
| Protection | Scratch/drop-resistant glass | Corning Gorilla Glass Victus 2 |
| Resolution | 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density) | 1264 x 2780 pixels (~450 ppi density) |
| Size | 6.83 inches, 114.5 cm2 (~90.2% screen-to-body ratio) | 6.78 inches, 111.7 cm2 (~90.9% screen-to-body ratio) |
| Type | OLED, 68B colors, 144Hz, Dolby Vision, HDR10+, HDR Vivid, 1800 nits (HBM), 3200 nits (peak) | LTPO4 AMOLED, 1B colors, 120Hz, HDR10+, Dolby Vision, 1600 nits (HBM), 4500 nits (peak) |
| Platform | ||
|---|---|---|
| CPU | Octa-core (1x3.63 GHz Cortex-X925 & 3x3.3 GHz Cortex-X4 & 4x2.4 GHz Cortex-A720) | Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510) |
| Chipset | Mediatek Dimensity 9400+ (3 nm) | Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm) |
| GPU | Immortalis-G925 | Adreno 740 |
| OS | Android 15, HyperOS 2 | Android 14, up to 3 major Android upgrades, OxygenOS 15 |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM | 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 256GB 16GB RAM |
| Main Camera | ||
|---|---|---|
| Dual | 50 MP, f/1.9, 23mm (wide), 1/1.55", 1.0µm, PDAF, OIS 8 MP, 119˚ (ultrawide), 1/4.0", 1.12µm | - |
| Features | Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama | Laser AF, color spectrum sensor, LED flash, HDR, panorama |
| Triple | - | 50 MP, f/1.8, 24mm (wide), 1/1.56", 1.0µm, multi-directional PDAF, OIS 8 MP, f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro) |
| Video | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS | 4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, OIS |
| Selfie camera | ||
|---|---|---|
| Features | HDR | HDR, panorama |
| Single | 20 MP, (wide), 1/2.0", 0.8µm | 16 MP, f/2.4, 26mm (wide), 1/3", 1.0µm |
| Video | 1080p@30/60fps | 1080p@30fps, gyro-EIS |
| Sound | ||
|---|---|---|
| 35mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
| Comms | ||
|---|---|---|
| Bluetooth | 5.4, A2DP, LE, LHDC 5 | 5.3, A2DP, LE, aptX HD |
| Infrared port | Yes | Yes |
| NFC | Yes | Yes |
| Positioning | GPS (L1+L5), BDS (B1I+B1C+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC, GLONASS | GPS, GALILEO, GLONASS, BDS, QZSS |
| Radio | Unspecified | No |
| USB | USB Type-C | 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/6/7, dual-band |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Battery | ||
|---|---|---|
| Charging | 100W wired, PD3.0 Bypass charging | 100W wired, 100% in 26 min |
| Type | Si/C Li-Ion 7410 mAh | Li-Ion 5500 mAh |
| Misc | ||
|---|---|---|
| Colors | Gray, White, Blue, Green | Iron Gray, Cool Blue, Electric Violet, Sunset Dune |
| Models | - | CPH2609, CPH2585, CPH2611 |
| Price | About 310 EUR | € 410.84 / $ 399.95 / £ 649.00 |
| SAR | - | 1.19 W/kg (head) 0.82 W/kg (body) |
Xiaomi Redmi K80 Ultra
- Latest Mediatek Dimensity 9400+ chipset
- Potentially higher peak CPU performance
- 100W fast charging with bypass charging
- Thermal management is unknown
- Software optimization may be less refined
- Display specifications currently unavailable
OnePlus 12R
- Proven Snapdragon 8 Gen 2 performance
- Excellent battery life (14:32h active use)
- 1181 nits peak brightness for outdoor visibility
- Older chipset compared to Dimensity 9400+
- May not offer the absolute highest peak performance
- Software bloat is a potential concern (typical of OnePlus)
Display Comparison
The OnePlus 12R boasts a measured peak brightness of 1181 nits, ensuring excellent visibility even in bright outdoor conditions. While the K80 Ultra’s display specifications are currently unavailable, the 12R’s panel provides a strong baseline for viewing quality. The 12R’s display technology is likely to be AMOLED, offering vibrant colors and deep blacks, though details on PWM dimming frequency are needed to assess potential flicker-related issues. The K80 Ultra’s display will need to match or exceed the 12R’s brightness to be competitive.
Camera Comparison
Without detailed camera specifications for the K80 Ultra, it’s difficult to make a direct comparison. However, the OnePlus 12R is expected to feature a capable camera system, likely with a primary sensor exceeding 50MP and optical image stabilization (OIS). The Snapdragon 8 Gen 2’s ISP (Image Signal Processor) is well-regarded for its image processing capabilities, delivering accurate colors and good dynamic range. The K80 Ultra will need to offer a similarly impressive camera setup to compete, focusing on sensor size and lens aperture to capture sufficient light.
Performance
The core difference lies in the chipsets: the Xiaomi K80 Ultra features the Mediatek Dimensity 9400+ (3nm) while the OnePlus 12R utilizes the Qualcomm Snapdragon 8 Gen 2 (4nm). The Dimensity 9400+’s Cortex-X925 core, clocked at 3.63 GHz, theoretically offers a performance advantage over the Snapdragon 8 Gen 2’s Cortex-X3 (3.2 GHz). However, the 4nm process of the Snapdragon 8 Gen 2 generally translates to better thermal efficiency, potentially mitigating throttling during extended gaming sessions. The K80 Ultra’s CPU configuration (1+3+4) suggests a focus on both peak performance and sustained multi-core tasks, but real-world testing is crucial to validate these claims. The 12R’s LPDDR5x RAM complements the Snapdragon 8 Gen 2, ensuring fast data access.
Battery Life
The OnePlus 12R shines in battery life, achieving an impressive 14 hours and 32 minutes of active use. Both devices support 100W wired charging, with the 12R reaching a full charge in just 26 minutes. While the K80 Ultra also offers 100W charging, the actual battery capacity and power efficiency of the Dimensity 9400+ will determine its overall endurance. The 12R’s PD3.0 support adds versatility for charging with compatible accessories.
Buying Guide
Buy the Xiaomi Redmi K80 Ultra if you need the absolute latest processor technology and are willing to potentially trade off some software polish and thermal optimization for the promise of future performance gains. Buy the OnePlus 12R if you prefer a balanced experience with a proven chipset, excellent battery life (14:32h active use), and a consistently smooth user interface.