Samsung Galaxy S II vs Sony Xperia Z5: A Generational Showdown

The Samsung Galaxy S II was a revolutionary phone in its time, setting a new standard for Android devices. Years later, the Sony Xperia Z5 arrived with cutting-edge technology. But how do these phones stack up against each other today? Let's dive into a detailed comparison.
Phones Images

🏆 Quick Verdict

The Sony Xperia Z5 is the clear winner. Its significantly more powerful processor, superior camera, and longer battery life outweigh the Galaxy S II's nostalgic appeal. While the S II holds historical significance, the Z5 offers a vastly improved user experience.

PHONES
Phone Names Samsung I9100G Galaxy S II Sony Xperia Z5
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100 - E6603, E6653
4G bands-1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40 - E6603, E6653
EDGENo-
GPRSNo-
SpeedHSPA 21.1/5.76 MbpsHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps (E6603), LTE Cat6 300/50 Mbps (E6653)
TechnologyGSM / HSPAGSM / HSPA / LTE
Launch
Announced2011, Q32015, September 02. Released 2015, October 02
StatusDiscontinuedDiscontinued
Body
Build-Glass front, glass back, aluminum frame
Dimensions125.3 x 66.1 x 8.5 mm (4.93 x 2.60 x 0.33 in)146 x 72 x 7.3 mm (5.75 x 2.83 x 0.29 in)
SIMMini-SIMNano-SIM
Weight116 g (4.09 oz)154 g (5.43 oz)
 -IP68 dust/water resistant (up to 1.5m for 30 mins)
Display
ProtectionCorning Gorilla GlassScratch-resistant glass, oleophobic coating
Resolution480 x 800 pixels, 5:3 ratio (~217 ppi density)1080 x 1920 pixels, 16:9 ratio (~428 ppi density)
Size4.3 inches, 52.6 cm2 (~63.5% screen-to-body ratio)5.2 inches, 73.2 cm2 (~69.6% screen-to-body ratio)
TypeSuper AMOLED PlusIPS LCD
 TouchWiz UI v4.0 Triluminos display X-Reality Engine
Platform
CPUDual-core 1.2 GHz Cortex-A9Octa-core (4x1.5 GHz Cortex-A53 & 4x2.0 GHz Cortex-A57)
ChipsetTI OMAP 4430Qualcomm MSM8994 Snapdragon 810 (20 nm)
GPUPowerVR SGX540Adreno 430
OSAndroid 2.3.4 (Gingerbread), 4.0.4 (Ice Cream Sandwich), upgradable to 4.1.2 (Jelly Bean)Android 5.1.1 (Lollipop), upgradable to 7.1.1 (Nougat)
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal16GB 1GB RAM32GB 3GB RAM
 -eMMC 5.0
Main Camera
FeaturesLED flashLED flash, HDR, panorama
Single8 MP, 1/3.2", f/2.6, AF23 MP, f/2.0, 24mm (wide), 1/2.3", PDAF
Video1080p@30fps4K@30fps, 1080p@60fps, 720p@120fps, HDR
Selfie camera
Features-HDR
Single2 MP5.1 MP, f/2.4
Video1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes, with stereo speakers
 -24-bit/192kHz audio
Comms
Bluetooth3.0, A2DP, aptX4.1, A2DP, aptX
NFCOptionalYes
PositioningGPS, A-GPSGPS, GLONASS/ BDS (market dependant)
RadioStereo FM radio, RDSFM radio, RDS
USBmicroUSB 2.0 (MHL TV-out), OTGmicroUSB 2.0 (MHL 3 TV-out), OTG
WLANWi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, hotspotWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
Features
SensorsAccelerometer, gyro, proximity, compassFingerprint (side-mounted; EU model only), accelerometer, gyro, proximity, compass, barometer
 MP4/DivX/XviD/WMV/H.264 player MP3/WAV/eAAC+/AC3/FLAC player Photo/video editor Document editor ANT+
Battery
Charging-18W wired, QC2
Music play-Up to 87 h
Stand-byUp to 660 h (2G) / Up to 560 h (3G)Up to 520 h (2G) / Up to 540 h (3G)
Talk timeUp to 18 h 40 min (2G) / Up to 9 h (3G)Up to 13 h 10 min (2G) / Up to 17 h (3G)
TypeRemovable Li-Ion 1650 mAh batteryLi-Ion 2900 mAh, non-removable
Misc
ColorsBlack, White, PinkWhite, Graphite Black, Gold, Green, Pink
Models-E6653, SO-01H, SOV32, E6603, 501SO
PriceAbout 220 EURAbout 150 EUR
SAR-0.55 W/kg (head)     0.64 W/kg (body)
SAR EU0.25 W/kg (head)0.75 W/kg (head)     0.78 W/kg (body)
Tests
Audio quality- Noise -95.5dB / Crosstalk -94.8dB
Battery life- Endurance rating 48h
Camera- Photo / Video
Display- Contrast ratio: 986 (nominal), 2.88(sunlight)
Loudspeaker- Voice 65dB / Noise 62dB / Ring 66dB
Performance- Basemark OS II 2.0: 1580Basemark X: 24941
OUR TESTS
Audio quality-Noise -95.5dB / Crosstalk -94.8dB
Battery (old)-Endurance rating 48h
Camera-Photo / Video
Display-Contrast ratio: 986 (nominal), 2.88(sunlight)
Loudspeaker-Voice 65dB / Noise 62dB / Ring 66dB
Performance-Basemark OS II 2.0: 1580Basemark X: 24941

Samsung I9100G Galaxy S II

  • Historical significance
  • Compact size
  • Super AMOLED display (for its time)

  • Outdated processor
  • Short battery life
  • Lower resolution camera
  • Smaller screen

Sony Xperia Z5

  • Powerful processor
  • Excellent camera
  • Long battery life
  • Larger, higher-resolution display
  • Water resistance

  • Snapdragon 810 throttling (potential)
  • Design can feel dated

Display Comparison

The Xperia Z5 boasts a 5.2-inch Full HD (1920 x 1080) IPS display, offering vibrant colors and sharp details. The Galaxy S II has a 4.3-inch Super AMOLED display, which was impressive for its time, but now appears smaller and less detailed. The Z5's contrast ratio of 986 is excellent, and its sunlight readability is also strong. While the S II's AMOLED offered good contrast, the Z5's overall display quality is superior.

Camera Comparison

The Xperia Z5's camera is a major upgrade. It features a 20.7MP rear camera with fast autofocus and excellent image quality, even in low light. The Galaxy S II's 8MP camera was good for its time, but it struggles in challenging lighting conditions and lacks the detail and features of the Z5. The Z5 also offers superior video recording capabilities.

Performance

The Xperia Z5's Snapdragon 810 chipset with its octa-core processor (4x1.5 GHz Cortex-A53 & 4x2.0 GHz Cortex-A57) provides a massive performance advantage over the Galaxy S II's TI OMAP 4430 dual-core processor (1.2 GHz Cortex-A9). Apps launch faster, multitasking is smoother, and demanding games run significantly better on the Z5. The S II, while still functional, shows its age in terms of speed and responsiveness.

Battery Life

The Xperia Z5's battery life is significantly better, with an endurance rating of 48 hours. The Galaxy S II's battery life is considerably shorter, typically lasting a day with moderate use. The Z5's efficient processor and larger battery contribute to its impressive longevity.

Buying Guide

Who should buy the Samsung Galaxy S II? Primarily collectors or those seeking a retro Android experience. Who should buy the Sony Xperia Z5? Anyone looking for a reliable, capable smartphone with a good camera and battery life, especially at a budget price point (given its age).

Frequently Asked Questions

❓ Is the Galaxy S II still usable in 2024?
Yes, the Galaxy S II is still functional, but its performance is significantly limited compared to modern smartphones. It's best suited for basic tasks and nostalgia.
❓ What are the main differences between the Galaxy S II and the Xperia Z5?
The Xperia Z5 offers a much faster processor, a superior camera, longer battery life, and a larger, higher-resolution display. The Galaxy S II is primarily of historical interest.