Side-by-side technical data
Samsung Galaxy S23 Ultra vs Samsung Galaxy S24 Ultra vs Samsung Galaxy S25 Ultra
Comparison between Samsung Galaxy S23 Ultra, Samsung Galaxy S24 Ultra and Samsung Galaxy S25 Ultra: camera, battery, fast charging, display, performance and colors, side by side. More phones from Samsung.
NeoTeo's verdict
Which of the two is the better buy
The Samsung Galaxy S25 Ultra is the strongest choice for performance and connectivity: its 16GB of RAM, top AnTuTu result, and Bluetooth 5.4 put it ahead. The S24 Ultra is the balanced alternative, while the S23 Ultra is the better buy only if it costs less.
The S25 Ultra reaches 3,135,223 points in AnTuTu, versus 2,340,353 for the S24 Ultra and 1,521,862 for the S23 Ultra. It is also lighter at 218 g, compared with 233 g and 234 g. The S24 Ultra answers with a 5,000,000:1 contrast ratio, while the other two use 3,000,000:1, and the two newer Ultras get 7 years of updates versus 4 years for the S23 Ultra.
For cameras, the S25 Ultra has a 50MP f/1.9 ultrawide, compared with 12.2MP and f/2.2 on the S23 Ultra and S24 Ultra. All three share a 5,000mAh battery, 45W charging, 15W wireless charging, and 44 hours per cycle; the S24 Ultra and S25 Ultra are level for battery. They also share a Dynamic AMOLED 2X display, 1,440px resolution, 120Hz refresh rate, and UFS 4.0 storage.
Samsung Galaxy S23 Ultra
The Samsung Galaxy S25 Ultra suits performance and connectivity seekers with 16GB of RAM, 3,135,223 AnTuTu points, and Bluetooth 5.4.
Samsung Galaxy S25 Ultra
The Samsung Galaxy S23 Ultra is the better buy only if it costs less; it trails the newer models in performance, updates, and weight.
The verdict
Your pick: Samsung Galaxy S25 Ultra, ahead on Performance & hardware and Connectivity.
| Category | Galaxy S23 Ultra | Galaxy S24 Ultra | Galaxy S25 Ultra |
|---|---|---|---|
| Design & display | 8.0 | 8.3 | 8.5 |
| Performance & hardware | 8.2 | 8.7 | 9.2 |
| Camera | 8.8 | 8.8 | 9.0 |
| Connectivity | 8.5 | 8.8 | 9.2 |
| Battery & charging | 7.7 | 8.3 | 8.3 |
Which one is for you?
Samsung Galaxy S23 Ultra, if you care about…
- OS Version
- 16
- against 15
Samsung Galaxy S24 Ultra, if you care about…
- Display Contrast Ratio
- 5,000,000 :1
- against 3,000,000 :1 · 3,000,000 :1
Samsung Galaxy S25 Ultra, if you care about…
- AnTuTu Score
- 3,135,223
- against 1,521,862 · 2,340,353
- RAM Capacity
- 16 GB
- against 12 GB · 12 GB
- Bluetooth Version
- Bluetooth 5.4
- against Bluetooth 5.3 · Bluetooth 5.3
- Weight
- 218 g
- against 234 g · 233 g
Specification comparison
Performance
| Specification | Galaxy S23 Ultra | Galaxy S24 Ultra | Galaxy S25 Ultra |
|---|---|---|---|
| Processor Model | Qualcomm Snapdragon 8 Gen 2 | Qualcomm Snapdragon 8 Gen 3 | Qualcomm Snapdragon 8 Elite |
| Processor Process Size | 4 nm | 4 nm | 3 nm Best value |
| Graphics GPU | Qualcomm Adreno 740 | Qualcomm Adreno 750 | Qualcomm Adreno 830 |
| Storage Type | UFS 4.0 | UFS 4.0 | UFS 4.0 |
| Maximum CPU Clock | 3.36 GHz | 3.39 GHz | 4.47 GHz Best value |
| Maximum Storage Capacity | 1 TB | 1 TB | 1 TB |
| AnTuTu Score | 1,521,862 | 2,340,353 | 3,135,223 Best value |
| Geekbench 6 Single-Core | 1,870 | 2,267 | 3,057 Best value |
| Geekbench 6 Multi-Core | 4,937 | 7,085 | 9,846 Best value |
| CPU Description | Octa-core CPU with Cortex-X3, Cortex-A715, Cortex-A710, and Cortex-A510 cores. | 8-core CPU: 1x3.39 GHz Cortex-X4, 3x3.1 GHz Cortex-A720, 2x2.9 GHz Cortex-A720 and 2x2.2 GHz Cortex-A520. | Octa-core CPU with 2x4.47 GHz Oryon V2 Phoenix L and 6x3.53 GHz Oryon V2 Phoenix M. |
| Processor Type | Octa-Core | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes | Yes |
| RAM Capacity | 12 GB | 12 GB | 16 GB Best value |
| RAM Type | LPDDR5X | LPDDR5X | LPDDR5X |
| AnTuTu version | v10 | v11 | v11 |
| 3DMark Wild Life Extreme | 3,790 | 4,983 | 6,687 Best value |
Design
| Specification | Galaxy S23 Ultra | Galaxy S24 Ultra | Galaxy S25 Ultra |
|---|---|---|---|
| Body Colors | Black, White, Green, Lavender, Beige, Blue, Lime, Red | Black, Grey, Purple, Yellow, Blue, Green, Orange, Gold, Cyan, Titanium | Silver, Black, White, Grey, Green, Pink |
| Body Thickness | 8.9 mm | 8.6 mm | 8.2 mm Best value |
| Body Width | 78.1 mm | 79 mm | 77.6 mm |
| Body Height | 163.4 mm | 162.3 mm | 162.8 mm |
| Weight | 234 g | 233 g | 218 g Best value |
| Usable Surface | 89.9 % | 88.5 % | 92.5 % Best value |
| Body Materials | Glass, Aluminium Alloy | Glass, Titanium Best value | Glass, Titanium Best value |
| Resistance Features | IP68 | IP68 | IP68, Stylus Support |
| Waterproof Depth | 1.5 m | 1.5 m | 1.5 m |
| Drop Resistance Class | — | — | A |
| Repairability Class | — | — | C |
| Drop Test Count | — | — | 270 |
Battery
| Specification | Galaxy S23 Ultra | Galaxy S24 Ultra | Galaxy S25 Ultra |
|---|---|---|---|
| Battery Efficiency Rating | — | — | B |
| Battery Capacity | 5,000 mAh | 5,000 mAh | 5,000 mAh |
| Battery Type | Li-Ion | Li-Ion | Li-Ion |
| Fast Charge Power | 45 W | 45 W | 45 W |
| Battery Features | Fast Charging, Wireless Charging, Reverse Wireless Charging, Bypass Charging, Non-Removable, Rechargeable, Battery Level Indicator, Charger Included | Non-Removable, Rechargeable, Fast Charging, Wireless Charging, Reverse Wireless Charging, Reverse Charging, Bypass Charging, Battery Level Indicator | Fast Charging, Wireless Charging, Reverse Wireless Charging, Reverse Charging, Bypass Charging, Non-Removable, Rechargeable, Battery Level Indicator |
| Battery Endurance | — | — | 44 h |
| Wireless charging power | 15 W | 15 W | 15 W |
| Charge cycles | — | — | 2,000 |
| Reverse wireless charging power | 4.5 W | 4.5 W | 4.5 W |
Display
| Specification | Galaxy S23 Ultra | Galaxy S24 Ultra | Galaxy S25 Ultra |
|---|---|---|---|
| Display Aspect Ratio | 19.5:9 | 19.5:9 | 19.5:9 |
| Display Technology | Dynamic AMOLED 2X | Dynamic AMOLED 2X | Dynamic AMOLED 2X |
| Peak Display Brightness | 1,750 nits | 2,600 nits Best value | 2,600 nits Best value |
| Display Diagonal | 6.8″ | 6.8″ | 6.9″ Best value |
| Display Horizontal Resolution | 1,440 px | 1,440 px | 1,440 px |
| Display Vertical Resolution | 3,088 px | 3,120 px Best value | 3,120 px Best value |
| Display Pixel Density | 500 ppi | 505 ppi Best value | 498 ppi |
| Display Refresh Rate | 120 Hz | 120 Hz | 120 Hz |
| Touch Sampling Rate | 240 Hz | 240 Hz | 240 Hz |
| Display Contrast Ratio | 3,000,000 :1 | 5,000,000 :1 Best value | 3,000,000 :1 |
| Display Features | Gorilla Glass Victus 2, HDR10+, Always-On Display, Hole-Punch Notch, Variable Refresh Rate, LTPO, DCI-P3, Scratch Resistant, Dual-Edge Display, Capacitive Touch, Multi-Touch, Frameless, Stylus Support | Gorilla Armor, HDR10+, Always-On Display, Variable Refresh Rate, LTPO, DC Dimming, Capacitive Touch, Multi-Touch, Scratch Resistant, Hole-Punch Notch, DCI-P3, Frameless, Anti-reflective coating, HDR10, Stylus Support | Hole-Punch Notch, Mohs Level 6, HDR10, HDR10+, Always-On Display, Variable Refresh Rate, LTPO, DC Dimming, Capacitive Touch, Multi-Touch, Scratch Resistant, DCI-P3, Frameless, Anti-reflective coating, Stylus Support |
Sensors
| Specification | Galaxy S23 Ultra | Galaxy S24 Ultra | Galaxy S25 Ultra |
|---|---|---|---|
| Fingerprint Sensor Placement | Under Display | Under Display | Under Display |
Sensor
| Specification | Galaxy S23 Ultra | Galaxy S24 Ultra | Galaxy S25 Ultra |
|---|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer, Gravity Sensor, Light Sensor, Hall Sensor | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer, Light Sensor, Hall Sensor | Fingerprint Sensor, Ultrasonic Proximity Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer, Cooling System, Hall Sensor, Light Sensor |
Software
| Specification | Galaxy S23 Ultra | Galaxy S24 Ultra | Galaxy S25 Ultra |
|---|---|---|---|
| Operating System | Android 16 | — | Android 15 |
| OS Family | Android | — | Android |
| OS Version | 16 Best value | — | 15 |
| OS Update Support | 4 years | 7 years Best value | 7 years Best value |
| Google Services | Yes | Yes | Yes |
| Widevine L1 | Yes | Yes | Yes |
Connectivity
| Specification | Galaxy S23 Ultra | Galaxy S24 Ultra | Galaxy S25 Ultra |
|---|---|---|---|
| SIM Configurations | Nano-SIM + eSIM, Dual Nano-SIM + eSIM, Dual SIM Dual Standby | Dual Nano-SIM + eSIM, Dual Nano-SIM, Nano-SIM + eSIM, Dual SIM Dual Standby | Nano-SIM + eSIM, Dual Nano-SIM + eSIM, Dual eSIM, Dual SIM Dual Standby |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B14, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B25, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B32, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B66, 5G NR n1, 5G NR n2, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n12, 5G NR n20, 5G NR n25, 5G NR n28a, 5G NR n28b, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n66, 5G NR n75, 5G NR n77, 5G NR n78 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B25, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B32, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B66, 5G NR n1, 5G NR n2, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n12, 5G NR n20, 5G NR n25, 5G NR n26, 5G NR n28a, 5G NR n28b, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n66, 5G NR n75, 5G NR n77, 5G NR n78 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS 1700 AWS, 3G UMTS B1, 3G UMTS B2, 3G UMTS B3, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B25, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B32, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B66, 5G NR n1, 5G NR n2, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n12, 5G NR n20, 5G NR n25, 5G NR n26, 5G NR n28a, 5G NR n28b, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n66, 5G NR n75, 5G NR n77, 5G NR n78 |
| Cellular Technologies | GSM, CDMA, HSPA, EVDO, LTE, 5G | GSM, CDMA, HSPA, EVDO, LTE, 5G | GSM, CDMA, HSPA, EVDO, LTE, 5G |
| Wi-Fi Standards | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E, Wi-Fi 7 (802.11be) Best value | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E, Wi-Fi 7 (802.11be) Best value |
| Wi-Fi Features | Tri-Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO | Tri-Band, Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO | Tri-Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO, Wi-Fi Password Sharing |
| Bluetooth Version | Bluetooth 5.3 | Bluetooth 5.3 | Bluetooth 5.4 Best value |
| Bluetooth Profiles | A2DP, LE, EDR, HID | A2DP, LE, HID, EDR | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| Connectivity Features | Samsung DeX, UWB, NFC, USB Charging, USB Mass Storage, USB OTG, USB Type-C, Computer Sync, OTA Sync, Tethering, VoLTE, VoWiFi, eSIM, USB Host 3.1 | NFC, USB Type-C, USB Charging, USB Mass Storage, USB OTG, USB Host, USB 3.2, DisplayPort output, eSIM, VoLTE, VoWiFi, Tethering, OTA Sync, Computer Sync, UWB, Samsung DeX, ANT+ | Samsung DeX, UWB, NFC, USB Type-C, DisplayPort output, USB OTG, eSIM, VoLTE, VoWiFi, Tethering, OTA Sync, Computer Sync, USB Charging, USB Mass Storage, USB Host, USB Host 3.2, ANT+ |
| USB Version | USB 3.2 | USB 3.2 | USB 3.2 Gen 1 |
| SAR American Head | 1.12 W/kg Best value | 1.26 W/kg | 1.26 W/kg |
| SAR American Body | 0.92 W/kg | 0.62 W/kg Best value | 0.64 W/kg |
| SAR (EU) head | 0.96 W/kg Best value | 1.06 W/kg | 1.25 W/kg |
| SAR (EU) body | 1.4 W/kg | 1.3 W/kg Best value | 1.42 W/kg |
| Max. download speed | 10,000 Mbps | 10,000 Mbps | 10,000 Mbps |
| Max. upload speed | 3,000 Mbps | 3,500 Mbps Best value | 3,500 Mbps Best value |
Audio
| Specification | Galaxy S23 Ultra | Galaxy S24 Ultra | Galaxy S25 Ultra |
|---|---|---|---|
| Microphone Count | 3 | 3 | 3 |
| Audio Features | Stereo Speakers, Hi-Res Audio, Noise-Cancellation Microphone, A2DP, LE | Stereo Speakers, Noise-Cancellation Microphone, A2DP, LE | Stereo Speakers, A2DP, LE, High-Bitrate Audio Support, Noise-Cancellation Microphone |
Technical
| Specification | Galaxy S23 Ultra | Galaxy S24 Ultra | Galaxy S25 Ultra |
|---|---|---|---|
| Launch price | — | 1,459 € | 1,459 € |
| Model numbers | SM-S918B, SM-S918B/DS, SM-S918U, SM-S918U1, SM-S918W, SM-S918N, SM-S9180, SM-S918E, SM-S918E/DS | SM-S928B, SM-S928B/DS, SM-S928U, SM-S928U1, SM-S928W, SM-S928N, SM-S9280, SM-S928E, SM-S928E/DS | SM-S938B, SM-S938B/DS, SM-S938U, SM-S938U1, SM-S938W, SM-S938N, SM-S9380, SM-S938E, SM-S938E/DS |
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