Samsung Galaxy J5 (2017) vs. Galaxy J7 (2018): A Detailed Comparison

The Samsung Galaxy J series has long been a staple for budget-conscious smartphone users. Today, we're pitting two contenders against each other: the Galaxy J5 (2017) and the Galaxy J7 (2018). Both offer a decent experience, but which one comes out on top?
Phones Images

🏆 Quick Verdict

The Galaxy J5 (2017) edges out the J7 (2018) primarily due to its significantly longer battery life. While both share the same chipset, the J5's endurance rating is exceptional. The J7 (2018) might offer slightly improved software, but the J5's battery advantage is hard to ignore for most users.

PHONES
Phone Names Samsung Galaxy J5 (2017) Samsung Galaxy J7 (2018)
Network
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 1700(AWS) / 1900 / 2100 - SM-J737U
4G bands1, 3, 5, 7, 8, 20, 401, 2, 3, 4, 5, 7, 12, 66 - SM-J737U
SpeedHSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 MbpsHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
 -2, 3, 4, 5, 7, 12, 14 - SM-J737A
Launch
Announced2017, June. Released 2017, June2018, June. Released 2018, July
StatusDiscontinuedDiscontinued
Body
BuildGlass front, aluminum back, aluminum frameGlass front (Gorilla Glass 5), plastic back, plastic frame
Dimensions146.2 x 71.3 x 8 mm (5.76 x 2.81 x 0.31 in)153.2 x 76.2 x 8.6 mm (6.03 x 3.00 x 0.34 in)
SIM· Nano-SIM· Nano-SIM + Nano-SIMNano-SIM
Weight160 g (5.64 oz)181 g (6.38 oz)
Display
Protection-Corning Gorilla Glass 5
Resolution720 x 1280 pixels, 16:9 ratio (~282 ppi density)720 x 1280 pixels, 16:9 ratio (~267 ppi density)
Size5.2 inches, 74.5 cm2 (~71.5% screen-to-body ratio)5.5 inches, 83.4 cm2 (~71.4% screen-to-body ratio)
TypeSuper AMOLEDTFT
Platform
CPUOcta-core 1.6 GHz Cortex-A53Octa-core 1.6 GHz Cortex-A53
ChipsetExynos 7870 Octa (14 nm)Exynos 7870 Octa (14 nm)
GPUMali-T830 MP1Mali-T830 MP1
OSAndroid 7.0 (Nougat), upgradable to Android 9.0 (Pie), One UIAndroid 8.0 (Oreo), upgradable to Android 9.0 (Pie), One UI
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM16GB 2GB RAM, 32GB 2GB RAM
 eMMC 5.1eMMC 5.1
Main Camera
FeaturesLED flash, panorama, HDRLED flash, HDR, panorama
Single13 MP, f/1.7, 27mm (wide), 1/3.1", 1.12µm, AF8 MP, AF or 13 MP, f/1.7, AF (operator dependent)
Video1080p@30fps1080p@30fps
Selfie camera
FeaturesLED flash-
Single13 MP, f/1.9, 1/3.1", 1.12µm5 MP / 13 MP, f/1.7 (operator dependent)
Video1080p@30fps-
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.1, A2DP4.1/4.2, A2DP, LE
NFCYesYes (operator dependent)
PositioningGPS, GLONASS, BDSGPS, GLONASS
RadioFM radioFM radio (SM-J737T1 only)
USBmicroUSB 2.0microUSB 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (front-mounted), accelerometer, gyro, proximity, compassAccelerometer, gyro, proximity, compass
 ANT+ANT+
Battery
Music playUp to 83 h-
Talk timeUp to 21 h (3G)-
TypeLi-Ion 3000 mAh, non-removableLi-Ion 3300 mAh, non-removable
Misc
ColorsBlue, Pink, Gold, BlackBlack, Blue, Gold
ModelsSM-J530F, SM-J530Y, SM-J530FM, SM-J530G, SM-J530YM, SM-J530L, SM-J530S, SM-J530K, SM-J530GMSM-J737F, SM-J737V, SM-J737T, SM-J737A, SM-J737P, SM-J737T1, SM-J737U, SM-J737S, SM-J737R4
PriceAbout 130 EURAbout 200 EUR
SAR EU0.35 W/kg (head)     1.36 W/kg (body)-
Tests
Audio quality Noise -85.0dB / Crosstalk -90.3dB-
Battery life Endurance rating 97h -
Camera Photo / Video-
Display Contrast ratio: Infinite (nominal), 3.599 (sunlight)-
Loudspeaker Voice 68dB / Noise 70dB / Ring 82dB -
Performance GeekBench: 3667 (v4.4) GFXBench: 3.8fps (ES 3.1 onscreen)-

Samsung Galaxy J5 (2017)

  • Exceptional battery life (97h endurance)

  • Potentially older software version
  • Camera specs unknown, potentially inferior to J7 (2018)

Samsung Galaxy J7 (2018)

  • Potentially newer software version
  • Likely slightly larger display
  • Potentially better camera

  • Significantly shorter battery life
  • Similar performance to J5 (2017)

Display Comparison

Both phones likely feature similar LCD displays, though the J7 (2018) may have a slightly larger screen size (potentially 5.5 inches vs. 5.2 inches for the J5). The J5 (2017) boasts an 'Infinite' contrast ratio (nominal), which is a marketing term, but suggests good contrast. Sunlight visibility is rated at 3.599 for the J5, indicating decent outdoor readability.

Camera Comparison

Camera specifications are not fully provided. However, based on typical J series models, the J7 (2018) likely has a slightly better camera setup, potentially with a higher resolution main sensor and improved image processing. Both will likely offer decent photo and video capabilities in good lighting conditions.

Performance

Both devices are powered by the Exynos 7870 Octa chipset and a Cortex-A53 Octa-core CPU clocked at 1.6 GHz. Performance will be very similar, adequate for everyday tasks but not ideal for demanding games or heavy multitasking. Expect some lag with resource-intensive apps.

Battery Life

This is where the J5 (2017) shines. It boasts an incredible endurance rating of 97 hours, suggesting exceptional battery life. The J7 (2018) likely has a smaller battery capacity, resulting in significantly shorter battery life compared to the J5.

Buying Guide

The Samsung Galaxy J5 (2017) is ideal for users prioritizing battery life above all else. It's a great choice for those who need a phone that can last for days on a single charge. The Samsung Galaxy J7 (2018) is better suited for users who value a slightly newer software experience and potentially a larger display (though specs are limited).

Frequently Asked Questions

❓ Is the J5 (2017) still worth buying?
If battery life is your top priority, absolutely. The J5 (2017)'s endurance is remarkable, even by today's standards.
❓ Which phone has the better processor?
Both phones use the same Exynos 7870 Octa processor, so performance will be very similar.