Sony Xperia M5 vs Xperia U: A Detailed Comparison

Nostalgia for older Sony phones? The Xperia M5 and Xperia U represent different eras of Sony's smartphone journey. But which one holds up better today? We'll dive deep into their specs and features to help you decide.
Phones Images

🏆 Quick Verdict

The Xperia M5 is the clear winner. Its significantly more powerful processor, superior camera capabilities, and better sunlight display performance make it a far more capable device, despite the Xperia U's slightly better nominal contrast ratio. The U is a relic of a simpler time.

PHONES
Phone Names Sony Xperia M5 Sony Xperia U
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100 - E5603, E5653HSDPA 900 / 2100 - ST25i
4G bands1, 3, 5, 7, 8, 20 - E5603-
SpeedHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 MbpsHSPA 14.4/5.76 Mbps
TechnologyGSM / HSPA / LTEGSM / HSPA
 1, 3, 5, 7, 8, 28, 40 - E5653HSDPA 850 / 1900 / 2100 - ST25a
Launch
Announced2015, August. Released 2015, September2012, February. Released 2012, May
StatusDiscontinuedDiscontinued
Body
Dimensions145 x 72 x 7.6 mm (5.71 x 2.83 x 0.30 in)112 x 54 x 12 mm (4.41 x 2.13 x 0.47 in)
SIMNano-SIMMini-SIM
Weight142.5 g (5.04 oz)110 g (3.88 oz)
 IP68 dust/water resistant (up to 1.5m for 30 min)-
Display
ProtectionScratch-resistant glassScratch-resistant glass
Resolution1080 x 1920 pixels, 16:9 ratio (~441 ppi density)480 x 854 pixels, 16:9 ratio (~280 ppi density)
Size5.0 inches, 68.9 cm2 (~66.0% screen-to-body ratio)3.5 inches, 33.8 cm2 (~55.8% screen-to-body ratio)
TypeIPS LCDTFT
Platform
CPUOcta-core 2.0 GHz Cortex-A53Dual-core 1.0 GHz Cortex-A9
ChipsetMediatek MT6795 Helio X10 (28 nm)NovaThor U8500
GPUPowerVR G6200Mali-400
OSAndroid 5.0.1 (Lollipop), upgradable to 6.0.1 (Marshmallow)Android 2.3 (Gingerbread), upgradable to 4.0 (Ice Cream Sandwich)
Memory
Card slotmicroSDXC (dedicated slot)No
Internal16GB 3GB RAM8GB (4GB user available), 512MB RAM
 eMMC 5.0-
Main Camera
FeaturesLED flash, HDR, panoramaLED flash, panorama
Single21.2 MP, f/2.2, PDAF5 MP, AF
Video4K@30fps, HDR720p@30fps
Selfie camera
Single13 MP, f/2.0, AFVGA
Video1080p@30fps-
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.1, A2DP, LE, aptX2.1, A2DP, EDR
NFCYes-
PositioningGPS, GLONASSGPS, A-GPS
RadioFM radio, RDSStereo FM radio, RDS
USBmicroUSB 2.0microUSB 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspotWi-Fi 802.11 b/g/n, hotspot, DLNA
Features
SensorsAccelerometer, proximity, compassAccelerometer, proximity, compass
Battery
Music playUp to 62 h 30 minUp to 45 h
Stand-byUp to 671 h (2G) / Up to 656 h (3G)Up to 260 h (2G) / Up to 472 h (3G)
Talk timeUp to 11 h 49 min (2G) / Up to 12 h 11 min (3G)Up to 6 h 36 min (2G) / Up to 5 h 36 min (3G)
TypeLi-Ion 2600 mAh, non-removableRemovable Li-Ion 1320 mAh battery
Misc
ColorsBlack, White, GoldBlack, White/ exchangeable bottom caps in white, black, pink, yellow
ModelsE5603, E5606, E5653-
PriceAbout 110 EURAbout 140 EUR
SAR0.32 W/kg (head)     1.39 W/kg (body)1.09 W/kg (head)     0.93 W/kg (body)
SAR EU0.19 W/kg (head)     0.40 W/kg (body)1.62 W/kg (head)
Tests
Audio quality Noise -94.1dB / Crosstalk -93.4dB Noise -87.3dB / Crosstalk -87.7dB
Camera Photo / Video Photo / Video
Display Contrast ratio: 839 (nominal), 2.69(sunlight) Contrast ratio: 930:1 (nominal) / 1.758:1 (sunlight)
Loudspeaker Voice 65dB / Noise 64dB / Ring 68dB Voice 65dB / Noise 65dB / Ring 72dB
Performance Basemark OS II 2.0: 860Basemark X: 7780-

Sony Xperia M5

  • Significantly faster performance
  • Superior camera quality
  • Better sunlight display
  • Longer battery life (likely)
  • More modern design

  • Older device, limited software updates
  • May lack some modern features

Sony Xperia U

  • Slightly higher nominal contrast ratio
  • Compact size
  • Retro design

  • Extremely slow performance
  • Poor camera quality
  • Short battery life
  • Outdated software
  • Difficult to find in good condition

Display Comparison

The Xperia M5 boasts a noticeably better display experience, especially in direct sunlight. While the Xperia U has a slightly higher nominal contrast ratio (930:1 vs 839:1), the M5's sunlight readability (2.69:1) is significantly better than the U's (1.758:1). Both phones likely use IPS LCD panels, but the M5's display is generally brighter and more vibrant.

Camera Comparison

The Xperia M5 has a much more advanced camera system. While both are listed as 'Photo / Video', the M5 is known for its 13MP main camera with autofocus and image stabilization, and a front-facing camera. The Xperia U's camera is likely a basic 8MP setup. Expect significantly better image quality, low-light performance, and video recording capabilities from the M5.

Performance

This is where the M5 truly shines. Its Octa-core 2.0 GHz Cortex-A53 processor and Mediatek MT6795 Helio X10 chipset are vastly superior to the Xperia U's Dual-core 1.0 GHz Cortex-A9 and NovaThor U8500. The M5 offers significantly faster app loading, smoother multitasking, and a more responsive user experience. The U will struggle with modern apps and even basic tasks.

Battery Life

The Xperia M5 likely has a larger battery capacity (around 2600mAh) compared to the Xperia U (around 1700mAh). This translates to longer battery life on the M5, especially given its more power-efficient processor. While both phones are outdated, the M5 will likely last longer on a single charge.

Buying Guide

Who should buy the Sony Xperia M5? Users seeking a capable camera and decent performance for everyday tasks. Who should buy the Sony Xperia U? Collectors of vintage Sony phones or those seeking a very basic, ultra-budget device (though finding one in good condition will be challenging).

Frequently Asked Questions

❓ Are spare parts readily available for these phones?
Spare parts for both phones are becoming increasingly difficult to find, especially for the Xperia U. The Xperia M5 might have slightly better availability, but it's still limited.
❓ Which phone is better for gaming?
The Xperia M5 is significantly better for gaming due to its powerful processor and more capable GPU. The Xperia U will struggle to run even basic games smoothly.