Xiaomi 18 Pro Max vs Samsung Galaxy S23 Ultra (12GB RAM + 512GB)
Quick Comparison
Both Xiaomi 18 Pro Max and Samsung Galaxy S23 Ultra (12GB RAM + 512GB) comes with same RAM. In terms of display resolution, Samsung Galaxy S23 Ultra (12GB RAM + 512GB) has better resolution of 3088 x 1440 than Xiaomi 18 Pro Max which has resolution of 2624 x 1208. Samsung Galaxy S23 Ultra (12GB RAM + 512GB) has more internal memory than Xiaomi 18 Pro Max
| Name | Xiaomi 18 Pro Max | Samsung Galaxy S23 Ultra (12GB RAM + 512GB) |
| RAM | 12 GB | 12 GB |
|---|---|---|
| Display | 6.9 in | 6.8 in |
| Internal Memory | 256 GB | 512 GB |
| Battery | 8500 mAh | 5000 mAh |
| Camera | 200 MP + 200 MP + 50 MP Triple | 200 MP Quad |
| Price | Rs. 99999 | Rs. 89000 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is September 23, 2026. The Expected cost of Xiaomi 18 Pro Max is Rs. 99999. The launch Date of the second phone is February 01, 2023. The cost of Samsung Galaxy S23 Ultra (12GB RAM + 512GB) is Rs. 89000.
Display comparison
Xiaomi 18 Pro Max has larger screen size of 6.9 inches in comparison to Samsung Galaxy S23 Ultra (12GB RAM + 512GB)'s 6.8 inch screen. Xiaomi 18 Pro Max has LTPO AMOLED Screen type where as Samsung Galaxy S23 Ultra (12GB RAM + 512GB) has Screen type. Samsung's phone has display density of 501 PPI & Xiaomi's phone has only 418 PPI display density. In terms of screen to body ratio, Xiaomi's phone has better screen to body ratio of ~ 91.6% than Samsung's phone ~ 89.5%. Both mobiles have same aspect ratio of 20:9.
Memory comparison
Both mobiles come with 12 GB RAM Samsung Galaxy S23 Ultra (12GB RAM + 512GB) has more Internal Memory (512 GB) than Xiaomi 18 Pro Max (256 GB).
Camera comparison
They both have the same 200 MP + 200 MP + 50 MP Triple Rear Camera. Xiaomi 18 Pro Max will be better choice if you're looking to click lot of selfies as it has better 50 MP Front Camera in comparison to Samsung Galaxy S23 Ultra (12GB RAM + 512GB)'s 12 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 17 and the second one on 13 version.
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Full Comparison
| Name | Xiaomi 18 Pro Max | Samsung Galaxy S23 Ultra (12GB RAM + 512GB) |
| General | ||
| Country of Origin | India | |
| Model | 18 pro max | Galaxy S23 Ultra |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | September 23, 2026 | February 01, 2023 |
| Design | ||
| Dimensions | 77.6 x 163.4 x 8.4 mm | 78.1 x 163.4 x 8.9 mm |
| Weight | 235 g | 233 g |
| Colors | Black, White, Pink, Red | Phantom Black, Green, Cream, Lavender, Graphite, Sky Blue, Lime, Red, BMW M Edition |
| Display | ||
| Type | Color LTPO AMOLED Screen (68 B) | Color Dynamic AMOLED 2X (1B Colors) |
| Touch | Yes | Yes |
| Size | 6.9 inches, 1208 x 2624 pixels, 120 Hz | 6.8 inches, 1440 x 3088 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 418 PPI | ~ 501 PPI |
| Screen to Body Ratio | ~ 91.6% | ~ 89.5% |
| Glass Type | Xiaomi Dragon Crystal Glass 3 | Corning Gorilla Glass Victus 2 |
| Brightness | 4000 nits (peak) | |
| HDR Support | Yes, HDR10+ | |
| Adaptive Refresh Rate | Yes, LTPO | |
| Display Dimming | 2160Hz PWM, 120Hz | |
| Features | Always-on Display, 1750 nits (peak) Brightness, HDR10+, Curved Display | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes | |
| Dual Display | 2.9 inches, LTPO AMOLED, 596 x 976 pixels, 120Hz, Dolby Vision, HDR Vivid, HDR10+, BT.2020, 4000 nits (peak) | |
| Memory | ||
| RAM | 12 GB | 12 GB |
| Storage | 256 GB | 512 GB |
| Storage Type | UFS 4.1 | UFS 4 |
| Card Slot | No | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | SA: n1/2/3/5/7/8/20/28/38/40/41/48/66*/77/78/79, NSA: n1/3/5/7/8/20/28/38/40/41/66*/77/78/79 | FDD Sub6: N1(2100), N2(1900), N3(1800), N5(850), N7(2600), N8(900), N12(700), N20(800), N25(1900), N28(700), N66(AWS-3), TDD Sub6: N38(2600), N40(2300), N41(2500), N77(3700), N78(3500) |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Vo5G | Yes | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | 802.11 a/b/g/n/ac/ax 2.4G+5GHz+6GHz, HE160, MIMO, 1024-QAM |
| Ultra Wideband (UWB) Support | Yes | |
| Bluetooth | Yes, v6.0, A2DP, LE, aptX HD | Yes, v5.3, A2DP, LE |
| USB | Yes, USB-C v3.2 | Yes, USB-C v3.2 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Performance | ||
| Camera Score | 140 (DxOMark) | |
| Extra | ||
| GPS | with GPS, Galileo, GLONASS, Beidou, NAVIC | Yes with A-GPS, Glonass |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Proximity, Gyro, Compass, Barometer | Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Proximity Sensor |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Water Resistance | Yes, 6 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP68 | IP68 |
| Dust Resistant | Yes | Yes |
| Extra Features | S Pen included, Stereo Speakers, 32-bit/384kHz Audio, Tuned by AKG, Samsung DeX, Samsung Wireless DeX, Bixby Natural Language Commands and Dictation, Samsung Pay (Visa, MasterCard Certified), Ultra Wideband (UWB) Support, AI Mobile (Galaxy Mobile) | |
| Camera | ||
| Rear Camera | 200 MP ƒ/1.7 (Wide Angle) 23mm (wide), 1/1.28", 0.61µm, dual pixel PDAF, OIS 200 MP ƒ/2.4 (Periscope Telephoto) 1/1.56", PDAF (10cm - ∞), OIS, 3.2x optical zoom 50 MP ƒ/2.4 (Ultra Wide) 17mm, 102˚ (ultrawide), 1/2.88", 0.61µm, PDAF | 200 MP ƒ/1.7 (Wide Angle) 24mm, 1/1.3", 0.6µm, Laser AF 10 MP ƒ/4.9 (Telephoto) 230mm, 1/3.52", 1.12µm,10x optical zoom 10 MP ƒ/2.4 (Telephoto) 70mm, 1/3.52", 3x optical zoom 12 MP ƒ/2.2 (Ultra Wide) 13mm, 120˚, 1/2.55", 1.4µm, Super Steady video |
| Camera Sensor | ISOCELL HP2 | |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Laser Af, Color Spectrum Sensor, Leica Lens, Dual-tone , Hdr, Panorama | AR Zone, Bixby Vision, Director's View, Food, Hyperlapse, Night, Panorama, Photo, Portrait, Video Feature: Portrait Video, Pro, Pro Video, Single Take, Slow Motion, Super Slow-Mo, Video, Optical Zoom at 3x and 10x , Digital Zoom up to 100x |
| Video Recording | 8K @ 30 fps UHD, 1080p @ 120 fps FHD, 720p | 8K @ 24/30 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 50 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus, Screen Flash | 12 MP ƒ/2.2 (Wide Angle) 26mm, Dual Pixel PDAF Punch Hole, Screen Flash |
| Front Video Recording | 4K @ 60 fps UHD, 1080p @ 60 fps FHD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Front Camera Features | HDR, panorama | Dual video call, Auto-HDR, HDR10+ |
| Technical | ||
| OS | Android v17 | Android v13 |
| Custom UI | HyperOS 4 | One UI 5.1 |
| Chipset | Qualcomm Snapdragon 8 Elite Extreme Gen 6 | Qualcomm Snapdragon 8 Gen 2 |
| CPU | 5 GHz, Octa Core Processor | 3.36 GHz, Octa Core Processor |
| Core Details | 1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510 | |
| Fabrication Node | 2nm | |
| GPU | Adreno | Adreno 740 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, FLAC, APE, AAC, OGG, WAV, WMA, AMR, AWB | Yes |
| Video | MP4, MKV, AVI, WMV, WEBM, 3GP, ASF playback | Yes |
| FM Radio | No | No |
| Audio Features | 24-bit/192kHz Hi-Res & Hi-Res wireless audio Snapdragon sound | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 8500 mAh, Si/C Li-ion Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 100W Fast Charging | Yes, 45W Fast Charging |
| Wireless Charging | Yes, 50W | Yes, 15W |
| Reverse Charging | Yes | Yes |
| Reverse Wireless Charging | Yes, 27W | Yes, 4.5W |
| Music Playback Time | 99 hours | |