Compare / Samsung Galaxy Z TriFold vs 18 Fold
Samsung Galaxy Z TriFold vs 18 Fold
A side-by-side comparison of the Samsung Galaxy Z TriFold and the 18 Fold, covering display, chipset, memory, camera, battery and build.
Overview
Specifications
Samsung Galaxy Z TriFold
- Technology
- GSM / CDMA / HSPA / EVDO / LTE / 5G
- 2G bands
GSM 850 / 900 / 1800 / 1900
CDMA 800 / 1900
- 3G bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
CDMA2000 1xEV-DO
- 4G bands
- 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 38, 39, 40, 41, 66
- 5G bands
- 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 77, 78, 79 SA/NSA/Sub6
- Speed
- HSPA, LTE, 5G
18 Fold
- Technology
- GSM / HSPA / LTE / 5G
- 2G bands
- GSM 850 / 900 / 1800 / 1900
- 3G bands
- 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, 34, 38, 39, 40, 41, 42, 48, 66
- 5G bands
- 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
Samsung Galaxy Z TriFold
- Announced
- 2025, December 02. Released 2025, December 12
- Status
- Discontinued
18 Fold
- Announced
- 2026, September 07
- Status
- Available. Released 2026, September 07
Samsung Galaxy Z TriFold
- Dimensions
Unfolded: 159.2 x 214.1 x 3.9-4.2 mm
Folded: 159.2 x 75 x 12.9 mm
- Weight
- 309 g (10.90 oz)
- Build
- Glass front (Gorilla Glass Victus Ceramic 2) (folded), plastic front (unfolded), ceramic-glass fiber-reinforced polymer back, aluminum frame, titanium hinge housing
- SIM
· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
· Nano-SIM + Nano-SIM + multiple eSIM (max 2 at a time)
· Nano-SIM + Nano-SIM
IP48 dust and water resistant (dust > 1mm; immersible up to 1.5m for 30 min)
Advanced Armor Aluminum
18 Fold
- Dimensions
Unfolded: 163.8 x 117.8 x 5.0 mm
Folded: 83.6 x 117.8 x 10.7 mm
- Weight
- 219 g (7.72 oz)
- Build
- Glass front (Xiaomi Dragon Crystal Glass 3) (folded), plastic front (unfolded), glass back, aluminum frame
- SIM
Nano-SIM + Nano-SIM
IP58/IP59 dust protected and water resistant (high pressure water jets; immersible up to 1m for 30 min)
Samsung Galaxy Z TriFold
- Type
- Tri-foldable Dynamic LTPO AMOLED 2X, 120Hz, HDR, 1600 nits (peak)
- Size
- 10.0 inches, 305.4 cm2 (~89.6% screen-to-body ratio)
- Resolution
1584 x 2160 pixels, 4:3 ratio (~269 ppi density)
Dynamic LTPO AMOLED 2X, 120Hz, HDR, 2600 nits (peak), Corning Gorilla Glass Ceramic 2
6.5 inches, 1080 x 2520 pixels, 422 ppi
18 Fold
- Type
- LTPO AMOLED120HzHDR10+Dolby VisionHDR Vivid4000 nits (peak)
- Size
- 7.58 inches, 174.8 cm2 (~90.6% screen-to-body ratio)
- Resolution
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)
Samsung Galaxy Z TriFold
- OS
- Android 16, One UI 8.5
- Chipset
- Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
- CPU
- Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
- GPU
- Adreno 830 (1200 MHz)
18 Fold
- OS
- Android 17, HyperOS 4
- Chipset
- XRing O3 (3 nm)
- CPU
- 10-core 4.35 GHz
- GPU
- Arm G2-Ultra NX MC16
Samsung Galaxy Z TriFold
- Card slot
- No
- Internal
512GB 16GB RAM, 1TB 16GB RAM
UFS
18 Fold
- Card slot
- No
- Internal
256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
UFS 4.1
Samsung Galaxy Z TriFold
- Triple
200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS
10 MP, f/2.4, 67mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom
12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF
- Features
- LED flash, HDR, panorama
- Video
- 8K@30fps, 4K@60fps, 1080p@60/120/240fps (gyro-EIS), 10-bit HDR, HDR10+
18 Fold
- Triple
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
- Laser AFcolor spectrum sensorLeica lensesLED flashHDRpanorama
- Video
- 8K@24fps, 4K@30/60fps (Dolby Vision), 1080p@30/60/120/960fps, gyro-EIS, OIS
Samsung Galaxy Z TriFold
- Single
10 MP, f/2.2, 18mm (ultrawide), 1/3.0", 1.12µm
Cover camera:
10 MP, f/2.2, 24mm (wide), 1/3.0", 1.12µm
- Features
- HDR
- Video
- 4K@30/60fps, 1080p@30/60fps, gyro-EIS
18 Fold
- Single
16 MP, f/2.2, 21mm (wide)
Cover camera:
16 MP, f/2.2, 21mm (wide)
- Features
- HDR
- Video
- 1080p@30/60fps
Samsung Galaxy Z TriFold
- Loudspeaker
- Yes, with stereo speakers
- 3.5mm jack
- No
18 Fold
- Loudspeaker
- Yes, with stereo speakers, Dolby Atmos
- 3.5mm jack
No
24-bit/192kHz Hi-Res & Hi-Res wireless audio
Samsung Galaxy Z TriFold
- WLAN
- Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
- Bluetooth
- 5.4, A2DP, LE, aptX HD, ASHA
- Positioning
- GPS, GALILEO, GLONASS, BDS, QZSS
- NFC
- Yes
- Radio
- No
- USB
- USB Type-C 3.2
18 Fold
- WLAN
- Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band
- Bluetooth
- 6.0, A2DP, LE, LHDC 5
- Positioning
- GPS (L1+L5)BDS (B1I+B1C+B1a)GALILEO (E1+E5a)QZSS (L1+L5)GLONASSNavIC
- NFC
- Yes
- Infrared port
- Yes
- Radio
- No
- USB
- USB Type-C 3.2 Gen2, OTG
Samsung Galaxy Z TriFold
- Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Samsung DeX wireless (desktop experience support)
Ultra Wideband (UWB) support
18 Fold
- Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Ultra Wideband (UWB) support
Samsung Galaxy Z TriFold
- Type
- Li-Ion 5600 mAh
- Charging
45W wired, QC2.0, 50% in 30 min
15W wireless
4.5W reverse wireless
18 Fold
- Type
- Si/C Li-Ion 6000 mAh
- Charging
67W wired, PD3.0, 50W PPS
50W wireless
Reverse wired
Samsung Galaxy Z TriFold
- Colors
- Crafted Black
- Models
- SM-F968B, SM-F968B/DS, SM-D639B, SM-D639B/DS, SM-D639U, SM-D639U1, SM-D639N, SM-D6390
- SAR EU
- 1.18 W/kg (head) 1.49 W/kg (body)
- Price
- About 2900 EUR
18 Fold
- Colors
- Gray, Silver, Red, Rose gold
- Price
- About 1400 EUR (price in China)
How the Samsung Galaxy Z TriFold and 18 Fold differ
- The 18 Fold has a larger battery, 6000 mAh against 5600 mAh on the Samsung Galaxy Z TriFold.
- The Samsung Galaxy Z TriFold has the bigger screen, 10 inches against 7.58 inches.
- The 18 Fold is the newer of the two, released in August 2026.