Asus Zenfone 2 Deluxe ZE551ML vs Samsung Galaxy S7 edge: A Clash of Titans

The Asus Zenfone 2 Deluxe and the Samsung Galaxy S7 edge were both flagship contenders in their time, offering compelling features and performance. But with time, how do they stack up against each other? This comprehensive comparison dives deep into their specs, performance, and overall value to help you decide which phone is the better choice.
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🏆 Quick Verdict

The Samsung Galaxy S7 edge decisively wins this comparison. While the Zenfone 2 Deluxe offered impressive battery life, the S7 edge boasts a superior display, significantly faster performance, a better camera, and a more premium design. It's a more well-rounded flagship experience.

PHONES
Phone Names Asus Zenfone 2 Deluxe ZE551ML Samsung Galaxy S7 edge
Network
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - G935FD, G9350
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - G935F, G935FD, G935W8
4G bands1, 2, 3, 4, 5, 8, 9, 18, 19, 28 - Taiwan1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 38, 39, 40, 41 - G935F, G935FD
SpeedHSPA 42.2/5.76 Mbps, LTE Cat4+ 250/50 Mbps, LTE (2CA) Cat6 300/50 Mbps (Special Edition)HSPA 42.2/5.76 Mbps, LTE (3CA) Cat9 450/50 Mbps
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
 1, 3, 38, 39, 40, 41 - India-
Launch
Announced2015, August. Released 2015, September2016, February 21. Released 2016, March 11
StatusDiscontinuedDiscontinued
Body
Build-Glass front (Gorilla Glass 4), glass back (Gorilla Glass 4), aluminum frame
Dimensions152.5 x 77.2 x 10.9 mm (6.00 x 3.04 x 0.43 in)150.9 x 72.6 x 7.7 mm (5.94 x 2.86 x 0.30 in)
SIMDual SIM (Micro-SIM, dual stand-by)· Nano-SIM (G935F, G935W8)· Nano-SIM + Nano-SIM (G935FD)
Weight170 g (6.00 oz)157 g (5.54 oz)
Display
ProtectionCorning Gorilla Glass 3Corning Gorilla Glass 4
Resolution1080 x 1920 pixels, 16:9 ratio (~401 ppi density)1440 x 2560 pixels, 16:9 ratio (~534 ppi density)
Size5.5 inches, 83.4 cm2 (~70.8% screen-to-body ratio)5.5 inches, 83.4 cm2 (~76.1% screen-to-body ratio)
TypeIPS LCDSuper AMOLED
Platform
CPUQuad-core 2.3 GHzQuad-core 1.8 GHzQuad-core 2.5 GHzQuad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo) - G9350Octa-core (4x2.3 GHz Mongoose & 4x1.6 GHz Cortex-A53) - G935FD, G935F, G935W8
ChipsetIntel Atom Z3580Intel Atom Z3560Intel Atom Z3590Qualcomm MSM8996 Snapdragon 820 (14 nm) - G9350Exynos 8890 Octa (14 nm) - G935FD, G935F, G935W8
GPUPowerVR G6430Adreno 530 - G9350Mali-T880 MP12 - G935FD, G935F, G935W8
OSAndroid 5.0 (Lollipop), upgradable to 6.0 (Marshmallow), ZenUIAndroid 6.0 (Marshmallow), upgradable to Android 8.0 (Oreo), TouchWiz UI
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (uses shared SIM slot) - dual SIM model only
Internal64GB 4GB RAM, 128GB 4GB RAM, 256GB 4GB RAM32GB 4GB RAM, 64GB 4GB RAM, 128GB 4GB RAM
Main Camera
FeaturesDual-LED dual-tone flash, panorama, HDRLED flash, auto-HDR, panorama
Single13 MP, f/2.0, AF12 MP, f/1.7, 26mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS
Video1080p@30fps4K@30fps, 1080p@30fps (gyro-EIS), 1080p@60fps, 720p@240fps, HDR, stereo sound rec., OIS
Selfie camera
Features-HDR
Single5 MP, f/2.05 MP, f/1.7, 22mm (wide), 1/4.1", 1.34µm
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.0, A2DP, EDR4.2, A2DP, LE, aptX
NFCNoYes
PositioningGPS, GLONASS, BDSGPS, GLONASS, BDS
RadioFM radio, RDSNo
USBmicroUSB 2.0, OTGmicroUSB 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspotWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsAccelerometer, gyro, proximity, compassFingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2
Battery
Charging18W wired, 60% in 40 min15W wired, QC2 Wireless (Qi) (market dependent)
Music play-Up to 74 h
Talk time-Up to 27 h (3G)
TypeLi-Po 3000 mAh, non-removableLi-Ion 3600 mAh, non-removable
Misc
ColorsWhite, Pink, PurpleSilver Polygon/Carbon Night (Black) - Special EditionBlack, White, Gold, Silver, Pink Gold, Black Pearl, Coral Blue
Models-SM-G935F, SM-G935FD, SM-G935W8, SM-G9350, SM-G935S, SC-02H, SM-G935K, SM-G935L, SM-G935R4, SCV33, SM-G935X, SM-G935VC, SM-G935D
PriceAbout 350 EURAbout 330 EUR
SAR-0.56 W/kg (head)     0.66 W/kg (body)
SAR EU0.35 W/kg (head)0.26 W/kg (head)     1.43 W/kg (body)
Tests
Audio quality- Noise -92.5dB / Crosstalk -92.2dB
Battery life Endurance rating 59h Endurance rating 92h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal), 4.439 (sunlight)
Loudspeaker Voice 62dB / Noise 61dB / Ring 67dB Voice 70dB / Noise 69dB / Ring 71dB
Performance Basemark OS II 2.0: 1090Basemark X: 12565 GFXBench: 8.3fps (ES 3.1 onscreen)
OUR TESTS
Audio quality-Noise -92.5dB / Crosstalk -92.2dB
Battery (old)Endurance rating 59hEndurance rating 92h
Camera-Photo / Video
Display-Contrast ratio: Infinite (nominal), 4.439 (sunlight)
LoudspeakerVoice 62dB / Noise 61dB / Ring 67dBVoice 70dB / Noise 69dB / Ring 71dB
PerformanceBasemark OS II 2.0: 1090Basemark X: 12565GFXBench: 8.3fps (ES 3.1 onscreen)

Asus Zenfone 2 Deluxe ZE551ML

  • Excellent battery life
  • Large display
  • Affordable (when new)
  • Decent performance for everyday tasks

  • Outdated processor
  • Lower quality camera
  • Less premium design
  • Software updates discontinued

Samsung Galaxy S7 edge

  • Stunning display
  • Powerful performance
  • Excellent camera
  • Premium design and build quality
  • Wireless charging

  • Battery life not as exceptional as Zenfone 2 Deluxe
  • Can be expensive (used market)
  • Software updates discontinued

Display Comparison

The Samsung Galaxy S7 edge's display is a clear winner. Its Quad HD Super AMOLED panel delivers vibrant colors, deep blacks, and incredible contrast (approaching infinite nominal contrast). The Zenfone 2 Deluxe's display, while decent, lacks the same level of visual fidelity and brightness. The curved edges of the S7 edge also add to its premium feel.

Camera Comparison

Samsung's camera hardware and software were consistently praised on the S7 edge. It captures excellent photos and videos in various lighting conditions. The Zenfone 2 Deluxe's camera is adequate but struggles in low light and lacks the dynamic range of the S7 edge.

Performance

The Galaxy S7 edge's Snapdragon 820 or Exynos 8890 chipset provides significantly faster performance than the Zenfone 2 Deluxe's Intel Atom processors. Apps launch quicker, multitasking is smoother, and demanding games run with ease on the S7 edge. The Zenfone 2 Deluxe can feel sluggish at times, especially with heavier workloads.

Battery Life

The Zenfone 2 Deluxe holds a slight edge in raw battery endurance (59h vs 92h), but the S7 edge's efficient hardware and software optimization contribute to excellent real-world battery life. Both offer respectable battery performance, but the S7 edge's overall package is more compelling.

Buying Guide

Who should buy the Asus Zenfone 2 Deluxe ZE551ML? Budget-conscious users prioritizing long battery life and a large screen might find value here. Who should buy the Samsung Galaxy S7 edge? Users seeking a premium experience with a stunning display, powerful performance, and a top-tier camera should opt for the S7 edge.

Frequently Asked Questions

❓ Is the Zenfone 2 Deluxe still worth buying?
If you're on a very tight budget and prioritize battery life above all else, it can be a decent option. However, be aware of its limitations and the lack of software updates.
❓ Which phone has better software support?
Neither phone receives active software support anymore. Both are running older versions of Android.