Head exposure reference
Samsung · PHONE PROFILE
Samsung Galaxy A51 5G
The specifications, radiation measurements and practical choices for your phone.
Display6.5 inches
ChipsetExynos 980 (8 nm)
FCC identifierA3LSMA515U
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 only0.82 W/kg51% of US localized limit
Body SAR · cellular only1.04 W/kg65% of US localized limit
Hotspot SAR · cellular only1.21 W/kg76% of US localized limit
Head SAR · simultaneous1.21 W/kg76% of US localized limit
Body SAR · simultaneous1.47 W/kg92% of US localized limit
Hotspot SAR · simultaneous1.35 W/kg84% 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) | 1.21 W/kg |
|---|---|
| Product-specific source field (US) | 1.21 W/kg |
| Head (EU, 10 g) | 0.50 W/kg |
| Body (EU, 10 g) | 1.55 W/kg |
| FCC ID | A3LSMA515U — 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 A51 5G |
|---|---|
| Technology | GSM / HSPA / LTE / 5G |
| Announced | April 8, 2020 |
| Availability (source snapshot) | Available. Released 2020, April 29 |
| Price (historical source) | $ 138.67 / £ 173.10 |
| Model Names | SM-A516F, SM-A516F/DSN, SM-A516N, SM-A516B/DS, SM-A516B, SM-A516U, SC-54A, SM-A516U1, SCG07 |
Display
| Type | Super AMOLED |
|---|---|
| Size | 6.5 inches, 102.0 cm2 (~87.2% screen-to-body ratio) |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~405 ppi density) |
| Protection | Corning Gorilla Glass 3 |
| Features | Corning Gorilla Glass 3 |
| Display Test | Contrast ratio: Infinite (nominal) |
Camera
| Main Camera | Quad Camera: 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8m, PDAF 12 MP, f/2.2, 123 (ultrawide) 5 MP, f/2.4, (macro) 5 MP, f/2.2, (depth) |
|---|---|
| Main Features | LED flash, panorama, HDR |
| Video | 4K@30fps, 1080p@30/120fps; gyro-EIS |
| Selfie Camera | Single Camera: 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8m |
| Selfie Camera Features | HDR |
| Selfie Camera Video | 4K@30fps, 1080p@30fps |
Battery
| Type | Li-Po 4500 mAh, non-removable |
|---|---|
| Battery Test | Endurance rating 90h |
| Charging | 15W wired |
Hardware
| Operating system (source snapshot) | Android 10, One UI 2 |
|---|---|
| Chipset | Exynos 980 (8 nm) |
| CPU | Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55) |
| GPU | Mali-G76 MP5 |
| Performance | AnTuTu: 316007 (v8) GeekBench: 1867(v5.1) GFXBench: 17fps (ES 3.1 onscreen) |
| Internal Storage | 128GB 6GB RAM, 128GB 8GB RAM |
| Card Slot | microSDXC (uses shared SIM slot) |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
Connectivity
| Wi-fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
|---|---|
| Bluetooth | 5.0, A2DP, LE |
| USB | USB Type-C 2.0, USB On-The-Go |
| GPS | GPS, GLONASS, GALILEO, BDS |
| NFC | Yes |
| Radio | FM radio, RDS, recording |
Sound
| Loudspeaker | Yes |
|---|---|
| 3.5mm Jack | Yes |
| Loudspeaker Test | -29.5 LUFS (Average) |
Design
| Type | Bar |
|---|---|
| Dimensions | 158.9 x 73.6 x 8.7 mm (6.26 x 2.90 x 0.34 in) |
| Weight | 187 g (6.60 oz) |
| Colors | Prism Cube Black, Prism Cube White, Prism Cube Pink |
| Build | Glass front (Gorilla Glass 3), plastic back, aluminum frame |
Network
| Speed | HSPA, LTE-A, 5G |
|---|---|
| SIM | Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 - SM-A516B/DS |
| 4G Network | 1, 3, 4, 5, 7, 8, 12, 20, 28, 38, 40, 41 - SM-A516B/DS |
| 5G Network | 41, 78 SA/NSA/Sub6 - SM-A516B/DS |
Find the case for your phone.
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No exact case match listed
Browse QuantaCase for current model availability. A similar model name does not establish fit.
Check the catalog →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 →
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A visual guide to distance, speakerphone, carrying and correct case orientation.
Keep exploring.
Other Samsung models with nearby reported head SAR values.
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Galaxy A35
Head SAR0.80 W/kg
Body SAR0.76 W/kg
SamsungUS · 1 g
Galaxy S23 FE
Head SAR0.80 W/kg
Body SAR0.72 W/kg
SamsungUS · 1 g
Galaxy A03s
Head SAR0.79 W/kg
Body SAR1.13 W/kg
SamsungUS · 1 g
Galaxy S21 FE
Head SAR0.77 W/kg
Body SAR0.90 W/kg