Compare / Galaxy S24 Ultra vs 18 Fold

Galaxy S24 Ultra vs 18 Fold

A side-by-side comparison of the Galaxy S24 Ultra and the 18 Fold, covering display, chipset, memory, camera, battery and build.

Galaxy S24 Ultra
Samsung
Galaxy S24 Ultra
18 Fold
Xiaomi
18 Fold

Overview

Display
Galaxy S24 Ultra
6.8inch
AM-OLED · 120 Hz
1440 × 3120 · 506 PPI
18 Fold
7.58inch
LTPO AMOLED · 120 Hz
2364 × 1672 · 382 PPI
Chip
Galaxy S24 Ultra
Qualcomm Snapdragon 8 Gen 3 for Galaxy SM8650-AC (Lanai) 4 nm
3.39 GHz octa-core
Qualcomm Adreno 750 · Google Android 14 (Upside Down Cake)
18 Fold
XRing O3 (3 nm)
10-core 4.35 GHz
Arm G2-Ultra NX MC16 · Android 17
Memory
Galaxy S24 Ultra
12GB RAM
256 GB · 512 GB · 1 TB storage
No card slot
18 Fold
12 / 16GB RAM
256 GB · 512 GB · 1 TB storage
No card slot
Camera
Galaxy S24 Ultra
201.3MP Main
12.2 MP Ultra Wide
10 MP Telephoto
49.9 MP Periscope
12 MP selfie
7680x4320 pixel video
18 Fold
200MP Main
50 MP Telephoto
50 MP Ultra Wide
16 MP selfie
8K@24fps video
Battery
Galaxy S24 Ultra
5,000mAh
45 W wired · 15 W wireless
18 Fold
6,000mAh
67 W wired · 50 W wireless
Build
Galaxy S24 Ultra
232g
162.3 × 79 × 8.6 mm
IP68
18 Fold
219g
163.8 × 117.8 × 5 mm
IP58
Connectivity
Galaxy S24 Ultra
5GWi-Fi 7Bluetooth 5.3NFCNano-SIM (4FF)USB C reversible USB 3.0 / 3.1 Gen 1 / 3.2 Gen 1x1
18 Fold
5GWi-Fi 7Bluetooth 6.0NFCNano-SIM + Nano-SIMUSB Type-C 3.2 Gen2

Specifications

Galaxy S24 Ultra

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
UMTS 2100 / 1900 / 850 / 900 - HSUPA, HSUPA 5.8, HSDPA, HSPA+ 21.1, DC-HSDPA 42.2
4G bands
LTE bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66 - 100/50, 150/50, 300/50, 300/75, 300/100, 400/150, 450/50, 450/100, 600/50, 600/100, 1000/100, 1200/200, 1600, 2000/300
5G bands
NR bands 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 77, 78, 79 - 1500, 2600, 3700, 4600 data links
Dual SIM
SIM2 supports same bands as SIM1

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

Galaxy S24 Ultra

Announced
2024 Jan 17
Status
Available. Released 2024 Jan 26

18 Fold

Announced
2026, September 07
Status
Available. Released 2026, September 07

Galaxy S24 Ultra

Dimensions
162.3 × 79 × 8.6 mm
Weight
232 g
Build
Gorilla Armor
SIM
Nano-SIM (4FF)
Protection
IP68 dust/water resistant (150 cm, 30 min)
Extras
Haptic touch feedback, Active stylus

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)

Galaxy S24 Ultra

Type
AM-OLED display, Dynamic AM-OLED, 16.8M colors, 120 Hz
Size
6.8 inches
Resolution
1440x3120 pixels (~506 PPI density), ~88.3% screen-to-body ratio
Protection
Gorilla Armor
Touch
Capacitive multi-touch screen
Notch/Hole
1-hole

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)

Galaxy S24 Ultra

OS
Google Android 14 (Upside Down Cake)
Chipset
Qualcomm Snapdragon 8 Gen 3 for Galaxy SM8650-AC (Lanai) 4 nm
CPU
3.39 GHz octa-core
GPU
Qualcomm Adreno 750

18 Fold

OS
Android 17, HyperOS 4
Chipset
XRing O3 (3 nm)
CPU
10-core 4.35 GHz
GPU
Arm G2-Ultra NX MC16

Galaxy S24 Ultra

Card slot
No
Internal
1TB 12GB RAM, 1TB 12GB RAM, 512GB 12GB RAM, 256GB 12GB RAM
Interface
UFS 4.0

18 Fold

Card slot
No
Internal

256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM

UFS 4.1

Galaxy S24 Ultra

Quad

201.3 MP, f/1.70, 24mm, 5.0 x optical zoom, BSI CMOS, 0.60µm, PD AF, Laser AF, EIS, EIS (video), OIS, OIS (video), Pixel unification, HDR photo, HDR video, Red-eye reduction, Slow motion video, Burst mode, Refocus, Touch focus, Macro mode, Panorama Photo, Face detection, Face tagging, Smile detection, Face retouch, Face retouch (video), Intelligent scene detection

12.2 MP, f/2.20, 13mm, (ultrawide), BSI CMOS, 1.40µm, PD AF, EIS (video), HDR photo, HDR video, Slow motion video, Burst mode, Touch focus, Macro mode, Panorama Photo, Face detection, Face tagging, Smile detection, Face retouch, Face retouch (video), Intelligent scene detection

10.0 MP, f/2.40, 67mm, (telephoto), BSI CMOS

49.9 MP, f/3.40, 111mm, (periscope), BSI CMOS

Other features
single LED flash
Video
7680x4320 pixel

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

Galaxy S24 Ultra

Single

12.0 MP, f/2.20, BSI CMOS, PD AF, HDR photo, HDR video, Slow motion video, Burst mode, Touch focus, Panorama Photo, Face detection, Face tagging, Smile detection, Face retouch, Face retouch (video), Intelligent scene detection

Video
3840x2160 pixel

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

Galaxy S24 Ultra

Loudspeaker
stereo
3.5mm jack
No
Audio features
Voice speakerSpeakerphoneANCHD VoiceVoLTEViLTE

18 Fold

Loudspeaker
Yes, with stereo speakers, Dolby Atmos
3.5mm jack

No

24-bit/192kHz Hi-Res & Hi-Res wireless audio

Galaxy S24 Ultra

WLAN
802.11a, 802.11b, 802.11g, 802.11n, 802.11r, 802.11ac, 802.11ax, 802.11be
Bluetooth
Bluetooth 5.3
Positioning
Simultaneous GPSA-GPSDual-frequency GPSGeotaggingQuickGPSQZSS
Satellite details
GLONASS (L1OF, L2OF); Galileo (E1, E5a); BeiDou (B1c, B1I, B2a BeiDou receiver)
NFC
Yes
USB
USB C reversible USB 3.0 / 3.1 Gen 1 / 3.2 Gen 1x1
USB features
USB chargingUSB fast chargingUSB HostUSB OTG 1.3USB OTG 2.0USB PDUSB PD 2.0USB PD 3.0
Wireless features
DLNAMiracastWi-Fi DirectWi-Fi TetheringWiDiWi-Fi Calling

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

Galaxy S24 Ultra

Sensors
AccelerometerGyroCompassBarometerIn-screen FP sensorHallL sensorP sensorStep counterNFC
Software
Voice CommandBusiness card recognitionNavigation softwareAugmented Reality (AR)Virtual Reality (VR) supportIntelligent personal assistantVoice RecognitionFace Recognition

18 Fold

Sensors

Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer

Ultra Wideband (UWB) support

Galaxy S24 Ultra

Type
5000 mAh battery 19.40 Wh Li-ion
Charging
45.0 W charging wired, 15.0 W wireless (PMA, Qi)
Endurance
28.0 hours
Nominal Battery Voltage
3.88 Volts

18 Fold

Type
Si/C Li-Ion 6000 mAh
Charging

67W wired, PD3.0, 50W PPS

50W wireless

Reverse wired

Galaxy S24 Ultra

Models
SM-S9280 Galaxy S24 Ultra 5G Dual SIM TD-LTE CN HK TW 512GB
Price
¥10,898
Market
Asia, Southeast Asia
Countries
China, HK, Taiwan

18 Fold

Colors
Gray, Silver, Red, Rose gold
Price
About 1400 EUR (price in China)

How the Galaxy S24 Ultra and 18 Fold differ

  • The 18 Fold has a larger battery, 6000 mAh against 5000 mAh on the Galaxy S24 Ultra.
  • The 18 Fold has the bigger screen, 7.58 inches against 6.8 inches.
  • The 18 Fold offers more RAM, up to 16 GB against 12 GB.
  • The main cameras are 201.3 MP on the Galaxy S24 Ultra and 200 MP on the 18 Fold.
  • At launch the Galaxy S24 Ultra was listed at $10,898 and the 18 Fold at $1,400 (USD).
  • The 18 Fold is the newer of the two, released in August 2026.