Xiaomi 18 Ultra has better RAM than Samsung Galaxy S26 Ultra 5G. In terms of display resolution, Samsung Galaxy S26 Ultra 5G has better resolution of 3120 x 1440 than Xiaomi 18 Ultra which has resolution of 2608 x 1200. Xiaomi 18 Ultra has more internal memory than Samsung Galaxy S26 Ultra 5G
| Name | Samsung Galaxy S26 Ultra 5G | Xiaomi 18 Ultra |
| RAM | 12 GB | 16 GB |
|---|---|---|
| Display | 6.9 in | 6.9 in |
| Internal Memory | 256 GB | 512 GB |
| Battery | 5000 mAh | 7000 mAh |
| Camera | 200 MP Quad | 200 MP + 200 MP + 50 MP Triple |
| Price | Rs. 126480 | Rs. 119990 |
The launch Date of the first phone is February 25, 2026. The cost of Samsung Galaxy S26 Ultra 5G is Rs. 126480. The launch Date of the second phone is expected to be February 28, 2027 (Expected). The cost of Xiaomi 18 Ultra is Rs. 119990.
There is LTPO AMOLED Screen Type in both the phones. 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%. Samsung Galaxy S26 Ultra 5G has 20.5:9 aspect ratio where as Xiaomi 18 Ultra has 20:9 aspect ratio.
Xiaomi 18 Ultra's larger 16 GB RAM is better for playing games and all with respect to Samsung Galaxy S26 Ultra 5G's lower 12 GB RAM. Xiaomi 18 Ultra has more Internal Memory (512 GB) than Samsung Galaxy S26 Ultra 5G (256 GB).
They both have the same 200 MP Quad 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 5G's 12 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 16 and the second one on 17 version.
| Name | Samsung Galaxy S26 Ultra 5G | Xiaomi 18 Ultra |
| 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 | SIM 1 + SIM 2 / SIM 1 + eSIM / Dual eSIM SIM | eSIM+eSIM SIM |
| Device Type | Smartphone | Smartphone |
| Security Updates | 7 years | |
| Release Date | February 25, 2026 | February 28, 2027 (Expected) |
| 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 Dynamic LTPO AMOLED 2X (16M Colors) | Color LTPO AMOLED Screen (68B) |
| Touch | Yes | Yes, 300 Hz Touch Sampling Rate |
| Size | 6.9 inches, 1440 x 3120 pixels, 120 Hz | 6.9 inches, 1200 x 2608 pixels, 120 Hz |
| Aspect Ratio | 20.5:9 | 20:9 |
| PPI | ~ 500 PPI | ~ 416 PPI |
| Screen to Body Ratio | ~ 90.7% | ~ 92.3% |
| Glass Type | Corning Gorilla Armor 2 | |
| Brightness | 2600 nits (peak) | 5000 nits (peak) |
| Features | DX anti-reflective coating, Privacy Display | 1132 nits max brightness (measured) |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes | |
| Memory | ||
| RAM | 12 GB | 16 GB |
| RAM Type | LPDDR5X | LPDDR5X |
| Storage | 256 GB | 512 GB |
| Storage Type | UFS 4 | UFS 4.1 |
| 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 | 802.11a/b/g/n/ac/ax/be 2.4GHz+5GHz+6GHz, EHT320, MIMO, 4096-QAM | WiFi 6 support |
| 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 | 10,585 (Multi Core) (v6) 3,539 (Single Core) 25,712 (OpenCL) | 2,960 (Single Core) |
| Extra | ||
| GPS | Yes with A-GPS, Glonass | Yes |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Barometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Proximity Sensor | Accelerometer, Proximity, Gyro, Compass, Barometer |
| 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, 1.5 m upto 30 min | Yes, 6 m upto 30 min |
| IP Rating | IP68 | IP69 |
| 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 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 | 200 MP (Wide Angle) 200 MP (Telephoto) 50 MP (Ultra Wide) |
| Camera Sensor | LYT-900 | |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes, Laser AF |
| Features | 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 | Laser AF, color spectrum sensor, Leica lenses, HDR, panorama |
| Video Recording | 8K @ 30 fps UHD, 4K, 1080p | 8K @ 30 fps UHD, 1080p, 4K |
| Flash | Yes, LED | Yes, Dual LED |
| Front Camera | 12 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus, Screen Flash | 50 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus, Screen Flash |
| Front Video Recording | 4K @ 60 fps UHD, 1080p @ 60 fps FHD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v16 | Android v17 |
| Custom UI | ONE UI 8.5 | Xiaomi HyperOS 4 |
| Chipset | Qualcomm Snapdragon 8 Elite Gen 5 for Galaxy | Qualcomm Snapdragon 8 Elite Gen 6 |
| CPU | 4.74 GHz, Octa Core Processor | 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, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA, DFF, DSF, APE | MP3, FLAC, APE, AAC, OGG, WAV, WMA, AMR, AWB |
| Video | MP4, M4V, 3GP, 3G2, AVI, FLV, MKV, WEBM | MP4, MKV, WEBM, 3GP, TS, HDR10+, Supports HDR Display When Playing HDR10+, Dolby Vision, HDR Vivid Video Content |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | 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 | 5000 mAh, Li-ion Battery | 7000 mAh |
| Fast Charging | Yes, 60W Fast Charging | Yes, 100W |
| Wireless Charging | Yes, 25W | Yes, 50W |
| Reverse Charging | Yes | Yes, 22.5W |
| Reverse Wireless Charging | Yes, 4.5W | Yes, 10W |
| Video Playback Time | 31 hours | |