Compare / Redmi K100 Pro Max vs Oppo Find X9 Ultra

Redmi K100 Pro Max vs Oppo Find X9 Ultra

A side-by-side comparison of the Redmi K100 Pro Max and the Oppo Find X9 Ultra, covering display, chipset, memory, camera, battery and build.

Overview

Display
Redmi K100 Pro Max
6.9inch
AMOLED · 185 Hz
1200 × 2608 · 416 PPI
Oppo Find X9 Ultra
6.82inch
LTPO AMOLED · 144 Hz
1440 × 3168 · 510 PPI
Chip
Redmi K100 Pro Max
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
Adreno 840 · Android 16
Oppo Find X9 Ultra
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
Adreno 840 · Android 16 up to 5 major OS updates
Memory
Redmi K100 Pro Max
12 / 16GB RAM
256 GB · 512 GB storage
No card slot
Oppo Find X9 Ultra
12 / 16GB RAM
256 GB · 512 GB · 1 TB storage
No card slot
Camera
Redmi K100 Pro Max
200MP Main
50 MP Periscope
50 MP Ultra Wide
32 MP selfie
8K@30fps video
Oppo Find X9 Ultra
200MP Main
200 MP Periscope
50 MP Periscope
50 MP Ultra Wide
50 MP selfie
8k@30fps video
Battery
Redmi K100 Pro Max
9,070mAh
100 W wired · 50 W wireless
Oppo Find X9 Ultra
7,050mAh
100 W wired · 50 W wireless
Build
Redmi K100 Pro Max
238g
163.5 × 78 × 8.5 mm
IP68
Oppo Find X9 Ultra
235g
163.2 × 77 × 8.7 mm
IP68
Connectivity
Redmi K100 Pro Max
5GWi-Fi 7Bluetooth 6.0NFCNano-SIM + Nano-SIMUSB Type-C
Oppo Find X9 Ultra
5GWi-Fi 7Bluetooth 6.0NFCNano-SIM + Nano-SIM + eSIM (max 2 at a time)USB Type-C 3.2

Specifications

Redmi K100 Pro Max

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66
5G bands
1, 3, 5, 7, 8, 18, 26, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA
Speed
HSPA, LTE, 5G

Oppo Find X9 Ultra

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands

HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - Global

HSDPA 900 / 2100 - India

4G bands

1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 43, 48, 66, 71 - Global

1, 3, 5, 8, 40 - India

5G bands

1, 2, 3, 5, 7, 8, 12, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 71, 75, 77, 78, 79, 80, 81, 83, 84, 89 SA/NSA - Global

1, 3, 5, 8, 40 SA/NSA - India

Speed
HSPA, LTE, 5G

Redmi K100 Pro Max

Announced
2026, August 11
Status
Available. Released 2026, August 11

Oppo Find X9 Ultra

Announced
2026, April 21
Status
Available. Released 2026, May 02

Redmi K100 Pro Max

Dimensions
163.5 x 78 x 8.5 mm (6.44 x 3.07 x 0.33 in)
Weight
238 g (8.40 oz)
Build
Glass front, aluminum frame
SIM

Nano-SIM + Nano-SIM

IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)

Oppo Find X9 Ultra

Dimensions
163.2 x 77.0 x 8.7 mm or 9.1 mm
Weight
235 g (8.29 oz)
Build
Glass front (Gorilla Glass Victus 2), aluminum frame, glass-fiber reinforced plastic back or silicone polymer back (eco leather)
SIM

Nano-SIM + Nano-SIM + eSIM (max 2 at a time)

IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)

Redmi K100 Pro Max

Type
AMOLED68B colors185HzDolby VisionHDR VividHDR10+BT.20204500 nits (peak)
Size
6.9 inches, 116.6 cm2 (~91.5% screen-to-body ratio)
Resolution
1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density)

Oppo Find X9 Ultra

Type
LTPO AMOLED1B colors144HzDolby VisionHDR10+800 nits (typ)1800 nits (HBM)3600 nits (peak)
Size
6.82 inches, 113.0 cm2 (~90.0% screen-to-body ratio)
Resolution
1440 x 3168 pixels (~510 ppi density)
Protection

Gorilla Glass Victus 2

Ultra HDR image support

Redmi K100 Pro Max

OS
Android 16, HyperOS 3
Chipset
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
CPU
Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
GPU
Adreno 840

Oppo Find X9 Ultra

OS
Android 16 up to 5 major OS updates, ColorOS 16
Chipset
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
CPU
Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
GPU
Adreno 840

Redmi K100 Pro Max

Card slot
No
Internal

256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM

UFS 4.1

Oppo Find X9 Ultra

Card slot
No
Internal

256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM

UFS 4.1

Redmi K100 Pro Max

Triple

200 MP, f/1.7, 24mm (wide), 0.5µm, PDAF, OIS

50 MP, f/3.0, 115mm (periscope telephoto), 1/2.75", 0.64µm, PDAF, OIS, 5x optical zoom

50 MP, f/2.4, 18mm, 102˚ (ultrawide), 1/2.88", 0.61µm

Features
Color spectrum sensor, LED flash, HDR, panorama
Video
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960/1920fps, gyro-EIS, HDR10+

Oppo Find X9 Ultra

Quad

200 MP, f/1.5, 23mm (wide), 1/1.12", PDAF, OIS

200 MP, f/2.2, 70mm (periscope telephoto), 1/1.28", PDAF (15cm - ∞), OIS, 3x optical zoom

50 MP, f/3.5, 230mm (periscope telephoto), 1/2.75", PDAF, OIS, 10x optical zoom

50 MP, f/2.0, 14mm, 123˚ (ultrawide), 1/1.95", PDAF

Features
Laser AFcolor spectrum sensorHasselblad Color CalibrationLED flashHDRpanorama
Video
8k@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps; gyro-EIS; Dolby Vision HDR, 10‑bit video, O-Log2, cinematic LUT

Redmi K100 Pro Max

Single
32 MP, f/2.2, 21mm (wide), 1/3.44", 0.64µm
Video
4K@30fps, 1080p@30/60fps

Oppo Find X9 Ultra

Single
50 MP, f/2.4, 21mm (wide), 1/2.75", PDAF
Features
Panorama, HDR
Video
4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR

Redmi K100 Pro Max

Loudspeaker
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack

No

Tuned by Bose

Bose 2.1 stereo sound system with a woofer

24-bit/192kHz Hi-Res & Hi-Res wireless audio

Oppo Find X9 Ultra

Loudspeaker
Yes, with stereo speakers
3.5mm jack
No

Redmi K100 Pro Max

WLAN
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Bluetooth
6.0, A2DP, LE, LHDC 5.0, ASHA, MIHC, Auracast
Positioning
GPS (L1+L5)BDS (B1I+B1c+B2a)GALILEO (E1+E5a)QZSS (L1+L5)NavICGLONASS
NFC
Yes
Infrared port
Yes
Radio
No
USB
USB Type-C, OTG

Oppo Find X9 Ultra

WLAN
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5
Positioning
GPS (L1+L5)BDS (B1I+B1c+B2a)GALILEO (E1+E5a)QZSS (L1+L5)GLONASSNavIC (L5)
NFC
Yes
Infrared port
Yes
Radio
No
USB
USB Type-C 3.2, OTG

Redmi K100 Pro Max

Sensors
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass

Oppo Find X9 Ultra

Sensors
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer

Redmi K100 Pro Max

Type
Si/C Li-Ion 9070 mAh
Charging

100W wired, PD3.0, QC3+, 100W PPS

50W wireless

27W reverse wired

22.5W reverse wireless

Oppo Find X9 Ultra

Type
Si/C Li-Ion 7050 mAh
Charging

100W wired, 55W PPS, 18W PD/QC

50W wireless

10W reverse wireless

Reverse wired

Redmi K100 Pro Max

Colors
Black, White, Blue, Red (Burgundy)
Price
About 540 EUR

Oppo Find X9 Ultra

Colors
Tundra Umber, Canyon Orange, Polar Glacier
Models
CPH2841, PMA110
Price
£ 2,265.00 / € 1,459.90 / $ 2,289.00

Redmi K100 Pro Max

Not listed for this device

Oppo Find X9 Ultra

Performance

AnTuTu: 2854496 (v10), 4110112 (v11)

GeekBench: 10895 (v6)

3DMark: 7339 (Wild Life Extreme)

Display
1156 nits max brightness (measured)
Loudspeaker
-25.6 LUFS (Very good)
Battery
Active use score 20:10h

How the Redmi K100 Pro Max and Oppo Find X9 Ultra differ

  • The Redmi K100 Pro Max has a larger battery, 9070 mAh against 7050 mAh on the Oppo Find X9 Ultra.
  • The Redmi K100 Pro Max has the bigger screen, 6.9 inches against 6.82 inches.
  • The Redmi K100 Pro Max is the newer of the two, released in July 2026.