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Specifications
Samsung Galaxy J3 (2018) |
Samsung Galaxy A3 (2017) |
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Full
Differences
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Samsung Galaxy J3 (2018) |
Samsung Galaxy A3 (2017) |
| Network | ||
|---|---|---|
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA unlocked; Canada | HSDPA 850 / 900 / 1900 / 2100 |
| HSDPA 850 / 1900 / 2100 - AT&T | ||
| 4G Network | 2, 3, 4, 5, 7, 12, 14 - USA unlocked; AT&T | 1, 2, 3, 5, 7, 8, 20, 40 |
| 1, 2, 4, 5, 7, 12, 17, 66 - Canada | ||
| Speed | HSPA, LTE | HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps |
| Launch | ||
|---|---|---|
| Announced | 2018, June | 2017, January. Released 2017, January |
| Status | Available. Released 2018, June | Discontinued |
| Body | ||
|---|---|---|
| Dimensions | 142.7 x 70.1 x 8.9 mm (5.62 x 2.76 x 0.35 in) | 135.4 x 66.2 x 7.9 mm (5.33 x 2.61 x 0.31 in) |
| Weight | 152 g (5.36 oz) | 138 g (4.87 oz) |
| Build | Glass front, plastic back, plastic frame | Glass front (Gorilla Glass 4), glass back (Gorilla Glass 4), aluminum frame |
| SIM | Nano-SIM | Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| IP68 dust/water resistant (up to 1.5m for 30 min) | ||
| Display | ||
|---|---|---|
| Type | IPS LCD | Super AMOLED |
| Size | 5.0 inches, 68.9 cm2 (~68.9% screen-to-body ratio) | 4.7 inches, 60.9 cm2 (~67.9% screen-to-body ratio) |
| Resolution | 720 x 1280 pixels, 16:9 ratio (~294 ppi density) | 720 x 1280 pixels, 16:9 ratio (~312 ppi density) |
| Protection | Corning Gorilla Glass 4 | |
| Always-on display | ||
| Platform | ||
|---|---|---|
| OS | Android 8.0 (Oreo) | Android 6.0.1 (Marshmallow), upgradable to Android 8.0 (Oreo) |
| Chipset | Exynos 7570 Quad (14 nm) | Exynos 7870 Octa (14 nm) |
| CPU | Quad-core 1.4 GHz Cortex-A53 | Octa-core 1.6 GHz Cortex-A53 |
| GPU | Mali-T720 | Mali-T830 MP1 |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (dedicated slot) | microSDXC (uses shared SIM slot) - dual SIM model only |
| Internal | 16GB 2GB RAM | 16GB 2GB RAM |
| eMMC 5.0 | eMMC 5.1 | |
| Main Camera | ||
|---|---|---|
| Modules | 8 MP, f/1.9, AF | 13 MP, f/1.9, 27mm (wide), AF |
| Features | LED flash, panorama, HDR | LED flash, panorama |
| Video | 1080p@30fps | 1080p@30fps |
| Selfie Camera | ||
|---|---|---|
| Modules | 5 MP, f/2.2 | 8 MP, f/1.9, 24mm (wide) |
| Video | 1080p@30fps | |
ADVERTISEMENT
| Sound | ||
|---|---|---|
| Loudspeaker | Yes | Yes |
| 3.5mm jack | Yes | Yes |
| Comms | ||
|---|---|---|
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Bluetooth | 4.2, A2DP, LE | 4.2, A2DP, LE |
| Positioning | GPS | GPS, GLONASS |
| NFC | No | Yes |
| Infrared port | No | No |
| Radio | FM radio | FM radio |
| USB | microUSB 2.0 | USB Type-C 2.0 |
| Features | ||
|---|---|---|
| Sensors | Accelerometer, gyro, proximity, compass | Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer |
| ANT+ Samsung Pay |
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| Battery | ||
|---|---|---|
| Type | Li-Ion 2600 mAh, removable | Li-Ion 2350 mAh, non-removable |
| Talk time | Up to 17 h (3G) | |
| Music play | Up to 55 h | |
| Misc | ||
|---|---|---|
| Colors | Black, Blue, Gold | Black Sky, Gold Sand, Blue Mist, Peach Cloud | SAR | 1.20 W/kg (head) 1.13 W/kg (body) |
| SAR EU | 0.35 W/kg (head) 1.38 W/kg (body) | |
| Models | SM-J337U, SM-J337W, SM-J337A, SM-J337R, SM-J337T, SM-J337P, SM-J337AZ, SM-J337VPP | SM-A320F, SM-A320Y, SM-A320FL |
| Price | About 150 EUR | About 220 EUR |
| Tests | ||
|---|---|---|
| Performance | GFXBench: 3.9fps (ES 3.1 onscreen) | |
| Display | Contrast ratio: Infinite (nominal), 3.688 (sunlight) | |
| Loudspeaker | Voice 66dB / Noise 66dB / Ring 75dB | |
| Audio quality | Noise -94.7dB / Crosstalk -92.3dB | |
| Battery (old) | Endurance rating 93h | |