Head exposure reference
Samsung · PHONE PROFILE
Samsung Galaxy S25
The specifications, radiation measurements and practical choices for your phone.
Display6.2 inches
ChipsetQualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
FCC identifierA3LSMS931B
RF Safe source record retrieved September 12, 2026. Regional specifications and test configurations may differ.
The SAR overview.
Reported US test values · W/kg averaged over 1 g of tissue
Head SAR · cellular only1.12 W/kg70% of US localized limit
Body SAR · cellular only0.73 W/kg46% of US localized limit
Hotspot SAR · cellular only1.14 W/kg71% of US localized limit
Head SAR · simultaneous1.35 W/kg84% of US localized limit
Body SAR · simultaneous1.39 W/kg87% of US localized limit
Hotspot SAR · simultaneous1.39 W/kg87% of US localized limit
0–0.400.41–0.800.81–1.201.21+ W/kgUS localized test values · 1 g average
Colors indicate reported SAR ranges, not a safety verdict. Results depend on test configuration and regional model. A lower listed maximum does not guarantee lower everyday exposure. How to read these numbers →
Additional SAR values & source information
| Hotspot, cellular only (US) | 1.14 W/kg |
|---|---|
| Product-specific source field (US) | 1.14 W/kg |
| Head (EU, 10 g) | — W/kg |
| Body (EU, 10 g) | — W/kg |
| FCC ID | A3LSMS931B — FCC equipment search ↗ |
| Source | RF Safe original phone profile ↗ |
| Data note | Values are reported by the RF Safe source record and have not been independently re-tested here. Zero or blank source values are shown as not listed. |
Your SAR comparison, at a glance.
Cellular-only and simultaneous-transmission values, side by side.
RF Safe source chart. Green and red compare lower and higher values within this chart; they differ from the fixed SAR ranges above. Percentage differences compare test configurations and do not predict a personal exposure reduction.
Two views. One clearer picture.
RF Safe reference illustrations for this phone.
Body exposure reference
Source illustrations visualize the RF Safe record. They are not scans of an individual, a measured personal dose, or a forecast of disease. Read the numerical labels and the original test context.
A practical introduction.Read the illustrated usage guide →
BETTER PHONE HABITS
Put the numbers into practice.
Watch the phone safety introduction, then explore the illustrated guide to distance, carrying and correct QuantaCase orientation.
Explore the usage guide →Every specification, in one place.
Source specifications by category. Regional models, software and availability may differ.
General
| Phone | Samsung Galaxy S25 |
|---|---|
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G |
| Announced | January 22, 2025 |
| Availability (source snapshot) | Available |
| Price (historical source) | C$ 1,198.99 / $ 799.99 / £ 799.00 / € 839.87 |
| Model Names | SM-S931B, SM-S931B/DS, SM-S931U, SM-S931U1, SM-S931W, SM-S931N, SM-S9310, SM-S931E, SM-S931E/DS |
Display
| Type | Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak) |
|---|---|
| Size | 6.2 inches, 94.4 cm2 (~91.1% screen-to-body ratio) |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density) |
| Protection | Corning Gorilla Glass Victus 2 |
| Features | Always-on display |
| Display Test | 1395 nits max brightness (measured) |
Camera
| Main Camera | Triple Camera: 50 MP, f/1.8, 24mm (wide), 1/1.56", 1.0m, dual pixel PDAF, OIS 10 MP, f/2.4, 67mm (telephoto), 1/3.94", 1.0m, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm, 120 (ultrawide), 1/2.55" 1.4m, Super Steady video |
|---|---|
| Main Features | Best Face, LED flash, auto-HDR, panorama |
| Video | 8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS |
| Selfie Camera | Single Camera: 12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12m, dual pixel PDAF |
| Selfie Camera Features | HDR, HDR10+ |
| Selfie Camera Video | 4K@30/60fps, 1080p@30fps |
Battery
| Type | Li-Ion 4000 mAh |
|---|---|
| Charging | 25W wired, PD3.0, 50% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless |
Hardware
| Operating system (source snapshot) | Android 15, up to 7 major Android upgrades, One UI 7 |
|---|---|
| Chipset | Qualcomm SM8750-AB 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 |
| Performance | AnTuTu: 2193701 (v10) GeekBench: 10050 (v6) 3DMark: 6755 (Wild Life Extreme) |
| Internal Storage | 128GB 12GB RAM, 256GB 12GB RAM, 512GB 12GB RAM UFS 4.0 |
| Card Slot | No |
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer Samsung DeX, Samsung Wireless DeX (desktop experience support) Circle to Search |
Connectivity
| Wi-fi | Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct |
|---|---|
| Bluetooth | 5.4, A2DP, LE |
| USB | USB Type-C 3.2, DisplayPort 1.2, OTG |
| GPS | GPS, GLONASS, BDS, GALILEO, QZSS |
| NFC | Yes |
| Radio | No |
Sound
| Loudspeaker | Yes, with stereo speakers |
|---|---|
| 3.5mm Jack | No |
| Loudspeaker Test | -26.1 LUFS (Good) |
Design
| Type | Bar |
|---|---|
| Dimensions | 146.9 x 70.5 x 7.2 mm (5.78 x 2.78 x 0.28 in) |
| Weight | 162 g (5.71 oz) |
| Colors | Icy Blue, Mint, Navy, Silver Shadow, Pink Gold, Coral Red, Blue Black |
| Build | Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame |
Network
| Speed | HSPA, LTE (up to 7CA), 5G |
|---|---|
| SIM | Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) - INT Nano-SIM + eSIM + eSIM (max 2 at a time) - USA Nano-SIM + Nano-SIM - CN IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Armor aluminum 2 frame |
| 2G Network | GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900 & TD-SCDMA |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO |
| 4G Network | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 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 unlocked |
| 5G Network | 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International 1, 2, 5, 7, 25, 28, 41, 66, 71, 77, 78, 257, 258, 260, 261 SA/NSA/Sub6/mmWave - USA unlocked |
Find the case for your phone.
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Samsung Galaxy S25 RFS1 Anti-Radiation Case
Available · 1 option
$69.00Choose options ↗
QuantaCase is a directional shielding accessory and a habit-training tool. Correct orientation matters; a case does not make a phone risk-free. Explore the design →
Know the phone. Learn the habits.
A visual guide to distance, speakerphone, carrying and correct case orientation.
Keep exploring.
Other Samsung models with nearby reported head SAR values.
SamsungUS · 1 g
Galaxy A42 5G
Head SAR1.11 W/kg
Body SAR1.25 W/kg
SamsungUS · 1 g
Galaxy S26 Plus 5G
Head SAR1.15 W/kg
Body SAR1.17 W/kg
SamsungUS · 1 g
Galaxy S26 Ultra 5G
Head SAR1.09 W/kg
Body SAR1.19 W/kg
SamsungUS · 1 g
Galaxy S24 Plus
Head SAR1.16 W/kg
Body SAR1.14 W/kg