Samsung Galaxy Z Fold8 Ultra vs Xiaomi 18 Fold
Verdict
The Samsung Galaxy Z Fold8 Ultra scores higher in 2 of 6 sections (connectivity & features and performance), while the Xiaomi 18 Fold leads in battery and design & durability; they are even on camera and display.
The biggest difference is battery: 78 vs 96 points.
The Xiaomi 18 Fold is the newer model, announced 2 months after the Samsung Galaxy Z Fold8 Ultra.
Choose the Samsung Galaxy Z Fold8 Ultra for connectivity & features and performance; choose the Xiaomi 18 Fold for battery and design & durability.
- Galaxy Z Fold8 Ultra leads in 5 fields
- Xiaomi 18 Fold leads in 8 fields
- 26 ties
39 scored fields compared
Score by section
| Section scores | Galaxy Z Fold8 Ultra | Xiaomi 18 Fold |
|---|---|---|
| Overall | ||
| Performance | 100 | 96 |
| Camera | 91 | 89 |
| Battery | 78 | 96 |
| Display | 94 | 92 |
| Design & durability | 84 | 89 |
| Connectivity & features | 79 | 73 |
Full specifications
Performance
- Chipset performance index
- Galaxy Z Fold8 Ultra: 100/100(Better)
- Xiaomi 18 Fold: 95/100
- Chipset
- Galaxy Z Fold8 Ultra: Snapdragon 8 Elite Gen 5
- Xiaomi 18 Fold: XRing O3
- RAM (max)
- Galaxy Z Fold8 Ultra: 16 GB
- Xiaomi 18 Fold: 16 GB
- Storage (max)
- Galaxy Z Fold8 Ultra: 1 TB
- Xiaomi 18 Fold: 1 TB
- Process node
- Galaxy Z Fold8 Ultra: 3 nm
- Xiaomi 18 Fold: 3 nm
Camera
- Main camera resolution
- Galaxy Z Fold8 Ultra: 200 MP
- Xiaomi 18 Fold: 200 MP
- Main sensor size
- Galaxy Z Fold8 Ultra: 1/1.3″(Better)
- Xiaomi 18 Fold: 1/1.56″
- Optical stabilization (OIS)
- Galaxy Z Fold8 Ultra: Yes
- Xiaomi 18 Fold: Yes
- Ultra-wide camera
- Galaxy Z Fold8 Ultra: Yes
- Xiaomi 18 Fold: Yes
- Telephoto camera
- Galaxy Z Fold8 Ultra: Yes
- Xiaomi 18 Fold: Yes
- Periscope lens
- Galaxy Z Fold8 Ultra: No
- Xiaomi 18 Fold: No
- Optical zoom
- Galaxy Z Fold8 Ultra: 3×
- Xiaomi 18 Fold: 3.5×(Better)
- Video recording
- Galaxy Z Fold8 Ultra: 8K
- Xiaomi 18 Fold: 8K
- Front camera
- Galaxy Z Fold8 Ultra: 10 MP
- Xiaomi 18 Fold: 16 MP(Better)
- Front camera 4K video
- Galaxy Z Fold8 Ultra: Yes
- Xiaomi 18 Fold: No
Battery
- Battery capacity
- Galaxy Z Fold8 Ultra: 5000 mAh
- Xiaomi 18 Fold: 6000 mAh(Better)
- Battery endurance (EU label)
- Galaxy Z Fold8 Ultra: 51:10 h
- Xiaomi 18 Fold: Unknown
- EU label cycles
- Galaxy Z Fold8 Ultra: 1200
- Xiaomi 18 Fold: Unknown
- Wired charging
- Galaxy Z Fold8 Ultra: 45 W
- Xiaomi 18 Fold: 67 W(Better)
- Wireless charging
- Galaxy Z Fold8 Ultra: 20 W
- Xiaomi 18 Fold: 50 W(Better)
- Reverse charging
- Galaxy Z Fold8 Ultra: Yes
- Xiaomi 18 Fold: Yes
- Reverse charging type
- Galaxy Z Fold8 Ultra: Wireless
- Xiaomi 18 Fold: Wired
Display
- Screen size
- Galaxy Z Fold8 Ultra: 8″
- Xiaomi 18 Fold: 7.58″
- Panel type
- Galaxy Z Fold8 Ultra: LTPO OLED
- Xiaomi 18 Fold: LTPO OLED
- Refresh rate
- Galaxy Z Fold8 Ultra: 120 Hz
- Xiaomi 18 Fold: 120 Hz
- Pixel density
- Galaxy Z Fold8 Ultra: 422 ppi(Better)
- Xiaomi 18 Fold: 382 ppi
- Peak brightness
- Galaxy Z Fold8 Ultra: 3000 nits
- Xiaomi 18 Fold: 4000 nits(Better)
- Resolution
- Galaxy Z Fold8 Ultra: 2256x2504
- Xiaomi 18 Fold: 2364x1672
- Screen protection
- Galaxy Z Fold8 Ultra: Gorilla Glass Victus Ceramic 3
- Xiaomi 18 Fold: Xiaomi Dragon Crystal Glass 3
Design & durability
- Weight
- Galaxy Z Fold8 Ultra: 215 g(Better)
- Xiaomi 18 Fold: 219 g
- Thickness
- Galaxy Z Fold8 Ultra: 4.1 mm
- Xiaomi 18 Fold: 5 mm
- Dust & water resistance
- Galaxy Z Fold8 Ultra: IP68
- Xiaomi 18 Fold: IP68 + IP69(Better)
- Back material
- Galaxy Z Fold8 Ultra: Glass
- Xiaomi 18 Fold: Glass
- Frame material
- Galaxy Z Fold8 Ultra: Aluminum
- Xiaomi 18 Fold: Aluminum
- EU repairability class
- Galaxy Z Fold8 Ultra: C
- Xiaomi 18 Fold: Unknown
- EU drop resistance class
- Galaxy Z Fold8 Ultra: A
- Xiaomi 18 Fold: Unknown
- EU energy class
- Galaxy Z Fold8 Ultra: A
- Xiaomi 18 Fold: Unknown
Connectivity & features
- 5G
- Galaxy Z Fold8 Ultra: Yes
- Xiaomi 18 Fold: Yes
- Wi-Fi
- Galaxy Z Fold8 Ultra: Wi-Fi 7
- Xiaomi 18 Fold: Wi-Fi 7
- Bluetooth
- Galaxy Z Fold8 Ultra: 6.0
- Xiaomi 18 Fold: 6.0
- USB speed
- Galaxy Z Fold8 Ultra: USB 3.x
- Xiaomi 18 Fold: USB 3.x
- USB port
- Galaxy Z Fold8 Ultra: USB-C 3.2
- Xiaomi 18 Fold: USB-C 3.2 Gen 2
- DisplayPort output
- Galaxy Z Fold8 Ultra: No
- Xiaomi 18 Fold: No
- NFC
- Galaxy Z Fold8 Ultra: Yes
- Xiaomi 18 Fold: Yes
- eSIM
- Galaxy Z Fold8 Ultra: Yes(Better)
- Xiaomi 18 Fold: No
- Ultra-wideband (UWB)
- Galaxy Z Fold8 Ultra: Yes
- Xiaomi 18 Fold: Yes
- Satellite connectivity
- Galaxy Z Fold8 Ultra: No
- Xiaomi 18 Fold: No
- Stereo speakers
- Galaxy Z Fold8 Ultra: Yes
- Xiaomi 18 Fold: Yes
- 3.5 mm headphone jack
- Galaxy Z Fold8 Ultra: No
- Xiaomi 18 Fold: No
- Fingerprint reader
- Galaxy Z Fold8 Ultra: Side-mounted
- Xiaomi 18 Fold: Side-mounted
- 3D face unlock
- Galaxy Z Fold8 Ultra: No
- Xiaomi 18 Fold: No
- Infrared blaster
- Galaxy Z Fold8 Ultra: No
- Xiaomi 18 Fold: Yes(Better)
- FM radio
- Galaxy Z Fold8 Ultra: No
- Xiaomi 18 Fold: No
- microSD slot
- Galaxy Z Fold8 Ultra: No
- Xiaomi 18 Fold: No
- Card slot
- Galaxy Z Fold8 Ultra: No
- Xiaomi 18 Fold: No
General
- Operating system
- Galaxy Z Fold8 Ultra: Android 17
- Xiaomi 18 Fold: Android 17
- OS updates (major versions)
- Galaxy Z Fold8 Ultra: 7
- Xiaomi 18 Fold: Unknown
- Launch price
- Galaxy Z Fold8 Ultra: $ 1,919.95
- Xiaomi 18 Fold: About 1400 EUR (price in China)
- Year
- Galaxy Z Fold8 Ultra: 2026
- Xiaomi 18 Fold: 2026
Show raw spec textHide raw spec text
Original text from the source spec sheet, for reference.
| — | Galaxy Z Fold8 Ultra | Xiaomi 18 Fold |
|---|---|---|
| Network | ||
| Technology | GSM / HSPA / LTE / 5G | GSM / HSPA / LTE / 5G |
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 38, 39, 40, 41, 66 - International 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71 - USA | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66 |
| 5G bands | 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - International 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 41, 66, 71, 77, 78, 257, 258, 260, 261 SA/NSA/Sub6/mmWave - USA | 1, 2, 3, 5, 7, 8, 12, 13, 18, 20, 25, 26, 28, 34, 38, 39, 40, 41, 48, 66, 77, 78, 79 SA/NSA/Sub6 |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Launch | ||
| Announced | 2026, July 22 | 2026, September 07 |
| Status | Available. Released 2026, July 22 | Available. Released 2026, September 07 |
| Body | ||
| Dimensions | Unfolded: 158.4 x 143.2 x 4.1 mm Folded: 158.4 x 72.8 x 8.9 mm | Unfolded: 163.8 x 117.8 x 5.0 mm Folded: 83.6 x 117.8 x 10.7 mm |
| Weight | 215 g (7.58 oz) | 219 g (7.72 oz) |
| Build | Glass front (Gorilla Glass Victus Ceramic 3) (folded), plastic front (unfolded), glass back (Gorilla Glass Victus 2), aluminum frame | Glass front (Xiaomi Dragon Crystal Glass 3) (folded), plastic front (unfolded), glass back, aluminum frame |
| SIM | Nano-SIM + eSIM + eSIM (max 2 at a time) IP48 dust and water resistant (dust > 1mm; immersible up to 1.5m for 30 min) Advanced Armor Aluminum | Nano-SIM + Nano-SIM IP58/IP59 dust protected and water resistant (high pressure water jets; immersible up to 1m for 30 min) |
| Display | ||
| Type | Foldable Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 3000 nits (peak) | LTPO AMOLED, 120Hz, HDR10+, Dolby Vision, HDR Vivid, 4000 nits (peak) |
| Size | 8.0 inches, 204.4 cm2 (~90.1% screen-to-body ratio) | 7.58 inches, 174.8 cm2 (~90.6% screen-to-body ratio) |
| Resolution | 2256 x 2504 pixels (~422 ppi density) Anti-reflective coating Flex Titanium technology Cover display: Dynamic LTPO AMOLED 2X, 120Hz, Corning Gorilla Glass Ceramic 3 6.5 inches, 1080 x 2520 pixels, 422 ppi | 2364 x 1672 pixels (~382 ppi density) Cover display: LTPO AMOLED, 120Hz, Xiaomi Dragon Crystal Glass 3 5.38 inches, 1168 x 1712 pixels HDR10+, Dolby Vision, HDR Vivid, 4000 nits (peak) |
| Platform | ||
| OS | Android 17, up to 7 major OS updates, One UI 9 | Android 17, HyperOS 4 |
| Chipset | Qualcomm SM8850-1-AD Snapdragon 8 Elite Gen 5 (3 nm) | XRing O3 (3 nm) |
| CPU | Octa-core (2x4.74 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M) | 10-core 4.35 GHz |
| GPU | Adreno 840 (1.3GHz) | Arm G2-Ultra NX MC16 |
| Memory | ||
| Card slot | No | No |
| Internal | 256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM UFS 4.x | 256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM UFS 4.1 |
| Main Camera | ||
| Triple | 200 MP, f/1.7, 23mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS 10 MP, f/2.4, 69mm (telephoto), 1/3.94", 1.0µm, PDAF (17cm - ∞), OIS, 3x optical zoom 50 MP, f/1.9, 120˚ (ultrawide), 1/2.51", 0.7µm, multi-directional PDAF | 200 MP, f/1.7, 23mm (wide), 1/1.56", 0.5µm, PDAF, OIS 50 MP, f/2.8, 80mm (telephoto), PDAF, OIS, 3.x optical zoom 50 MP, f/2.4, 17mm (ultrawide) |
| Features | LED flash, HDR, panorama | Laser AF, color spectrum sensor, Leica lenses, LED flash, HDR, panorama |
| Video | 8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, gyro-EIS, OIS | 8K@24fps, 4K@30/60fps (Dolby Vision), 1080p@30/60/120/960fps, gyro-EIS, OIS |
| Selfie camera | ||
| Single | 10 MP, f/2.2, 18mm (ultrawide), 1/3.52", 1.12µm Cover camera: 10 MP, f/2.2, 24mm (wide), 1/3.52", 1.12µm | 16 MP, f/2.2, 21mm (wide) Cover camera: 16 MP, f/2.2, 21mm (wide) |
| Features | HDR | HDR |
| Video | 4K@30/60fps, 1080p@30/60fps, gyro-EIS | 1080p@30/60fps |
| Sound | ||
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers, Dolby Atmos |
| 3.5mm jack | No High-bitrate audio support | No 24-bit/192kHz Hi-Res & Hi-Res wireless audio |
| Comms | ||
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band |
| Bluetooth | 6.0, A2DP, LE, aptX HD | 6.0, A2DP, LE, LHDC 5 |
| Positioning | GPS, GALILEO, GLONASS, BDS, QZSS | GPS (L1+L5), BDS (B1I+B1C+B1a), GALILEO (E1+E5a), QZSS (L1+L5), GLONASS, NavIC |
| NFC | Yes | Yes |
| Radio | No | No |
| USB | USB Type-C 3.2, OTG | USB Type-C 3.2 Gen2, OTG |
| Infrared port | – | Yes |
| Features | ||
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer Samsung DeX (desktop experience support) Ultra Wideband (UWB) support | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer Ultra Wideband (UWB) support |
| Battery | ||
| Type | Si/C Li-Ion 5000 mAh | Si/C Li-Ion 6000 mAh |
| Charging | 45W wired, PD3.0, QC2.0, 67% in 30 min 20W wireless (Qi2.2) 4.5W reverse wireless | 67W wired, PD3.0, 50W PPS 50W wireless Reverse wired |
| Misc | ||
| Colors | Graphite, Cream, Violet Shadow | Gray, Silver, Red, Rose gold |
| Models | SM-F976B, SM-F976B/DS, SM-F976U, SM-F976U1 | – |
| SAR | 1.10 W/kg (head) 1.25 W/kg (body) | – |
| SAR EU | 0.82 W/kg (head) 1.17 W/kg (body) | – |
| Price | $ 1,919.95 / € 1,636.00 / £ 1,368.86 / ₹ 194,999 | About 1400 EUR (price in China) |
| EU LABEL | ||
| Energy | Class A | – |
| Battery | 51:10h endurance, 1200 cycles | – |
| Free fall | Class A (210 falls) | – |
| Repairability | Class C | – |