Category Breakdown
OnePlus Open 2
Xiaomi Redmi K90 Pro Max
Performance
99.197.4
Camera
97.088.8
Display
95.799.4
Battery
97.999.2
Build
0.279.7
Connectivity
89.286.1
Audio
99.999.6
Overall
87.294.0
Summary
- The OnePlus Open 2 features a foldable 8.0" LTPO3 Flexi-fluid AMOLED display with a resolution of 2268 x 2440 pixels and a 120Hz refresh rate, while the Xiaomi Redmi K90 Pro Max offers a 6.9" AMOLED display with a higher resolution of 1200 x 2608 pixels, 2560Hz PWM, and HDR capabilities.
- In terms of performance, the OnePlus is powered by the Snapdragon 8 Elite chipset, whereas the Xiaomi utilizes the Snapdragon 8 Elite Gen 5, both providing robust processing capabilities.
- Camera-wise, both phones have a 50 MP triple rear setup, but the Xiaomi's camera supports 8K video recording and has a more versatile telephoto lens with 5x optical zoom compared to the OnePlus's 3x.
- The OnePlus has a 5900mAh battery with 80W charging, while the Xiaomi boasts a larger 7560mAh battery with 100W charging.
- Software experience differs as well, with the OnePlus running Android 15 with OxygenOS 15 and the Xiaomi operating on Android 16 with HyperOS 3.
Side-by-side Specification Comparison
OnePlus Open 2
Xiaomi Redmi K90 Pro Max
General
Release Date
N/A
2025, October 23
Announced
N/A
2025, October 23
Description
Unofficial preliminary specifications
N/A
Display
Size
8"
6.9"
Type
Foldable LTPO3 Flexi-fluid AMOLED, 1B colors, Dolby Vision, 120Hz
AMOLED, 68B colors, 2560Hz PWM, 120Hz, Dolby Vision, HDR Vivid, HDR10+, 3500 nits (peak)
Resolution
2268 x 2440 pixels* (~416 ppi density)
1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density)
PPI
2268
1200
Refresh Rate
120Hz
2560Hz
HDR Support
✗
✓
Protection
N/A
Xiaomi Dragon Crystal Glass
Performance
Chipset
Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
CPU
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
GPU
Adreno 830
Adreno 840
Memory
512GB 16GB RAM, 1TB 16GB RAM
256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Expandable Storage
✗
✗
Card Slot
No
No
Camera
Main Camera
50 MP, (wide), PDAF, OIS50 MP, (telephoto), PDAF, OIS, 3x optical zoom50 MP, (ultrawide), PDAF
50 MP, f/1.7, 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS50 MP, f/3.0, 115mm (periscope telephoto), 1/2.76", 0.64µm, PDAF (30cm - ∞), OIS, 5x optical zoom50 MP, f/2.4, 18mm, 102˚ (ultrawide), 1/2.88", 0.61µm
Main Camera Features
Hasselblad Color Calibration, LED flash, HDR, panorama
Color spectrum sensor, LED flash, HDR, panorama
Front Camera
20MP, f/2.2, 20mm (ultrawide), 1/4.0", 0.7µmCover camera:32MP, f/2.4, 22mm (ultrawide), 1/3.14", 0.7µm
32 MP, f/2.2, 21mm (wide), 1/3.44", 0.64µm
Front Camera Features
HDR
N/A
Video Recording
4K@30/60fps, 1080p@30/60/120/240/480fps gyro-EIS, HDR10+, Dolby Vision
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS, HDR10+
Selfie Video
4K@30fps, 1080p@30fps, gyro-EIS
4K@30fps, 1080p@30/60fps
Optical Stabilization
✓
✓
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
5900 mAh
7560 mAh
Battery Details
Si/C Li-Ion 5900 mAh
Si/C Li-Ion 7560 mAh
Charging Details
80W wired50W wirelessReverse wired
100W wired, PD3.0, QC3+, 100W PPS50W wireless22.5W reverse wireless
Fast Charging
✗
✗
Wireless Charging
✓
✓
Build & Safety
Dimensions
Folded thickness: 10 mm
163.3 x 77.8 x 7.9 mm (6.43 x 3.06 x 0.31 in)
Weight
N/A
218 g
Materials
N/A
Glass front (Dragon Crystal Glass), aluminum frame
Colors
Black; other colors
Black, White, Denim Blue, Lamborgini White
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM +eSIM(max 2 at a time)
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE / 5G
GSM / HSPA / LTE / 5G
Network Speed
HSPA, LTE (CA), 5G
HSPA, LTE, 5G
5G
✓
✓
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Bluetooth
5.4, A2DP, LE, aptX HD
5.4, A2DP, LE, LHDC 5.0, ASHA, MIHC
NFC
✓
✓
USB
USB Type-C 3.1, OTG
USB Type-C 3.2, Display Port, OTG
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
GPS (L1+L5), GLONASS, BDS, GALILEO (E1+E5a), QZSS
GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC, GLONASS
Audio
Stereo Speakers
✓
✓
Loudspeaker
Yes, with stereo speakers (Dolby Atmos enhanced)
Yes, with stereo speakers (with Dolby Atmos)
Audio Jack
No
No
Software & Security
Operating System
Android 15, OxygenOS 15
Android 16, HyperOS 3
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass

