Both Xiaomi 18 Ultra and Samsung Galaxy S26 Ultra (16GB RAM + 1TB) comes with same RAM. In terms of display resolution, Samsung Galaxy S26 Ultra (16GB RAM + 1TB) has better resolution of 3120 x 1440 than Xiaomi 18 Ultra which has resolution of 2608 x 1200. Samsung Galaxy S26 Ultra (16GB RAM + 1TB) has more internal memory than Xiaomi 18 Ultra
| Name | Xiaomi 18 Ultra | Samsung Galaxy S26 Ultra (16GB RAM + 1TB) |
| RAM | 16 GB | 16 GB |
|---|---|---|
| Display | 6.9 in | 6.9 in |
| Internal Memory | 512 GB | 1 TB |
| Battery | 7000 mAh | 5000 mAh |
| Camera | 200 MP + 200 MP + 50 MP Triple | 200 MP Quad |
| Price | Rs. 119990 | Rs. 189999 |
The launch Date of the first phone is expected to be February 28, 2027 (Expected). The cost of Xiaomi 18 Ultra is Rs. 119990. The launch Date of the second phone is February 25, 2026. The cost of Samsung Galaxy S26 Ultra (16GB RAM + 1TB) is Rs. 189999.
Both the phones have LTPO AMOLED Screen Type. Samsung's phone has display density of 500 PPI & Xiaomi's phone has only 416 PPI display density. In terms of screen to body ratio, Xiaomi's phone has better screen to body ratio of ~ 92.3% than Samsung's phone ~ 90.7%. Xiaomi 18 Ultra has 20:9 aspect ratio where as Samsung Galaxy S26 Ultra (16GB RAM + 1TB) has 20.5:9 aspect ratio.
Both mobiles come with 16 GB RAM Samsung Galaxy S26 Ultra (16GB RAM + 1TB) has more Internal Memory (1 TB) than Xiaomi 18 Ultra (512 GB).
They both have the same 200 MP + 200 MP + 50 MP Triple Rear Camera. Xiaomi 18 Ultra 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 S26 Ultra (16GB RAM + 1TB)'s 12 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 17 and the second one on 16 version.
| Name | Xiaomi 18 Ultra | Samsung Galaxy S26 Ultra (16GB RAM + 1TB) |
| General | ||
| Model | SM-S948B, SM-S948B/DS, SM-S948U, SM-S948U1, SM-S948W, SM-S948N, SM-S9480, SM-S948E, SM-S948E/DS | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | eSIM+eSIM SIM | SIM 1 + SIM 2 / SIM 1 + eSIM / Dual eSIM SIM |
| Device Type | Smartphone | Smartphone |
| Security Updates | 7 years | |
| Release Date | February 28, 2027 (Expected) | February 25, 2026 |
| In The Box | Headset, Charging Cable, Sim Ejector Pin | |
| Design | ||
| Dimensions | 78.1 x 163.6 x 7.9 mm | |
| Weight | 214 g | |
| Bezel less | Yes | |
| Qwerty | No | |
| Colors | Cobalt Violet, Sky Blue, Black, White, Silver Shadow, Pink Gold | |
| Display | ||
| Type | Color LTPO AMOLED Screen (68B) | Color Dynamic LTPO AMOLED 2X (16M Colors) |
| Touch | Yes, 300 Hz Touch Sampling Rate | Yes |
| Size | 6.9 inches, 1200 x 2608 pixels, 120 Hz | 6.9 inches, 1440 x 3120 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20.5:9 |
| PPI | ~ 416 PPI | ~ 500 PPI |
| Screen to Body Ratio | ~ 92.3% | ~ 90.7% |
| Glass Type | Corning Gorilla Armor 2 | |
| Brightness | 5000 nits (peak) | 2600 nits (peak) |
| Features | 1132 nits max brightness (measured) | DX anti-reflective coating, Privacy Display |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes | |
| Memory | ||
| RAM | 16 GB | 16 GB |
| RAM Type | LPDDR5X | LPDDR5X |
| Storage | 512 GB | 1 TB |
| Storage Type | UFS 4.1 | UFS 4 |
| Card Slot | No | No |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | 5G FDD Sub6: N1(2100), N2(1900), N3(1800), N5(850), N7(2600), N8(900), N12(700), N20(800), N25(1900), N26(850), N28(700), N66(AWS-3), 5G 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 | WiFi 6 support | 802.11a/b/g/n/ac/ax/be 2.4GHz+5GHz+6GHz, EHT320, MIMO, 4096-QAM |
| Bluetooth | Yes, v6.0 | Yes, v6.0 |
| 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 | ||
| AnTuTu Score | 3,668,406 (Total) (v11) 1,087,228 (CPU) 1,491,438 (GPU) 386,328 (Memory) 703,412 (UX) | |
| Geekbench Score | 2,960 (Single Core) | 10,585 (Multi Core) (v6) 3,539 (Single Core) 25,712 (OpenCL) |
| Extra | ||
| GPS | Yes | 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, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Proximity Sensor |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| AI Features | Galaxy AI, Circle to Search with Google, Photo Assist, Creative Studio, Bixby | |
| Water Resistance | Yes, 6 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP69 | IP68 |
| Dust Resistant | Yes | Yes |
| Extra Features | Samsung Care+, Samsung Health, Samsung Wallet, S Pen included, Redesigned Vapor Chamber, UWB (Ultra Wideband), Samsung DeX Support | |
| Camera | ||
| Rear Camera | 200 MP (Wide Angle) 200 MP (Telephoto) 50 MP (Ultra Wide) | 200 MP ƒ/1.4 (Wide Angle) 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS 10 MP ƒ/2.4 (Telephoto) 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 50 MP ƒ/2.9 (Telephoto) periscope telephoto), 1/2.52", 0.7µm, PDAF, OIS, 5x optical zoom 50 MP ƒ/1.9 (Ultra Wide) (ultrawide), 1/2.5", 0.7µm, dual pixel PDAF, Super Steady vide |
| Camera Sensor | LYT-900 | |
| OIS | Yes | Yes |
| Auto Focus | Yes, Laser AF | Yes |
| Features | Laser AF, color spectrum sensor, Leica lenses, HDR, panorama | Optical Zoom 3x and 5x, Optical Quality Zoom 2x and 10x, Digital Zoom up to 100x, Dual Recording, Food, Hyperlapse, Night, Panorama, Photo, Portrait, Portrait Video, Pro, Pro Video, Single Take, Slow Motion, Video |
| Video Recording | 8K @ 30 fps UHD, 1080p, 4K | 8K @ 30 fps UHD, 4K, 1080p |
| 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) Punch Hole, Autofocus, Screen Flash |
| Front Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
| Technical | ||
| OS | Android v17 | Android v16 |
| Custom UI | Xiaomi HyperOS 4 | ONE UI 8.5 |
| Chipset | Qualcomm Snapdragon 8 Elite Gen 6 | Qualcomm Snapdragon 8 Elite Gen 5 for Galaxy |
| CPU | Octa Core Processor | 4.74 GHz, Octa Core Processor |
| Core Details | 2x4.74 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M | |
| Fabrication Node | 3 nm | |
| GPU | Adreno 840 | |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, FLAC, APE, AAC, OGG, WAV, WMA, AMR, AWB | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA, DFF, DSF, APE |
| Video | MP4, MKV, WEBM, 3GP, TS, HDR10+, Supports HDR Display When Playing HDR10+, Dolby Vision, HDR Vivid Video Content | MP4, M4V, 3GP, 3G2, AVI, FLV, MKV, WEBM |
| FM Radio | No | No |
| Speaker Type | Stereo | Dual Stereo |
| Audio Features | 4-Mic Array, 24-bit/192kHz Hi-Res & Hi-Res Wireless Audio. Qualcomm XPAN (24-bit/96kHz Audio), Dolby Atmos | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh | 5000 mAh, Li-ion Battery |
| Fast Charging | Yes, 100W | Yes, 60W Fast Charging |
| Wireless Charging | Yes, 50W | Yes, 25W |
| Reverse Charging | Yes, 22.5W | Yes |
| Reverse Wireless Charging | Yes, 10W | Yes, 4.5W |
| Video Playback Time | 31 hours | |