PhoneRocket Review Our evaluation of Xperia Z vs Optimus G


Processing power and speed

Passmark, Geekbench, BrowserMark and Sunspider 0.9.1


3D and 2D graphics

GLBenchmark 2.5 and GLBenchmark 2.7

Battery Life

How long will the battery last

Talk time, Standby time and Battery capacity


How do our trusted review sites rank these products?

Reviews from,,, and 2 more

No winner declared

Too close to call

Benchmarks Real world tests of Xperia Z vs Optimus G

geekbench Processor and memory performance

Xperia Z
Optimus G

passmark Processor performance including multiple coresData courtesy Passmark

Xperia Z
Optimus G

SunSpider 0.9.1 Web browser and javascript performance

Xperia Z
1,336 ms
Optimus G
1,353 ms

BrowserMark How fast does the web browser load pages

Xperia Z
Optimus G

GLBenchmark 2.7 3D graphics performance

Xperia Z
15 fps
Optimus G
8.2 fps

GLBenchmark 2.5 3D graphics performance

Xperia Z
38.2 fps
Optimus G
21.1 fps

Differences What are the advantages of each

Front view of Sony Xperia Z

Reasons to consider the
Sony Xperia Z

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Faster graphics 15 fps vs 8.2 fps Around 85% better GLBenchmark 2.7 score
Significantly sharper screen 440 ppi vs 317 ppi Around 40% sharper PPI; enjoy photo-realistic, crisp images
Higher resolution 1920 x 1080 vs 1280 x 768 More than 2x higher resolution
Higher resolution front camera 13.1 MP vs 8 MP Around 65% higher resolution front camera; Video chat with other people
Longer standby time 32,976 min vs 19,440 min Around 70% longer standby time
Bigger screen 5" vs 4.7" More than 5% bigger screen
Slightly more battery capacity 2,330 mA·h vs 2,100 mA·h More than 10% more battery capacity
Side view of LG Optimus G

Reasons to consider the
LG Optimus G

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Faster web browser 2,992 vs 2,664 More than 10% better BrowserMark score
Much newer operating system Android 4.1.2 vs Android 5.1 Newer Android OS; Get all the latest features and security updates with a more recent version

Reviews Word on the street

Xperia Z  vs Optimus G 

Fans of the Xperia line and Sony's software will no doubt love the phone, with the possible exception of battery life, but those who aren't loyal to the brand may find the durable metal casing and better display on the HTC One and the myriad features and replaceable battery on the Samsung Galaxy S4 more captivating.
Xperia Z

Sony itself claims you'll get up to 11 hours of talk time and 550 hours of standby time.
Xperia Z


8.4 Out of 10
8.0 Out of 10

Specifications Full list of technical specs


Xperia Z  vs
Optimus G 
Size 5" 4.7"
Resolution 1920 x 1080 1280 x 768
Touchscreen Capacitive Capacitive
Multitouch Yes Yes
PPI 440 ppi 317 ppi


Clock speed 1.5 GHz 1.5 GHz
Number of cores Quad core Quad core
Internal storage 16 GB 16 GB
Supported card formats

photo & video

Camera 13.1 MP 8 MP
Resolution 13.1 MP 8 MP
Flash Yes Yes
Secondary camera 2.2 MP 1.3 MP
Video resolution 1920 x 1080 @ 30 fps 1920 x 1080 @ 30 fps


Generation 4G 4G
LTE Cat3/4 Uplink (50 Mb/s)
LTE Cat3 (100 Mb/s)
HSUPA (5.76 Mb/s)
CDMA (0.01 Mb/s)
EDGE (0.38 Mb/s)
LTE (20 Mb/s)
Unknown (100 Mb/s)
HSPA (unspecified)
LTE Cat 3 (100/)
HSDPA+ (42.2 Mb/s)
UMTS (0.38 Mb/s)
GPRS (0.01 Mb/s)
GSM (0.01 Mb/s)


Talk time 660 min 600 min
Standby time 32,976 min 19,440 min
Capacity 2,330 mA·h 2,100 mA·h

form factor

Xperia Z  vs
Optimus G 
Weight 146 g 147 g
Thickness 7.9 mm 8 mm
Size 71 x 139 x 7.9 mm 72 x 131 x 8 mm


Has an assisted GPS Yes Yes


Supports FM radio Yes Yes


Operating system Android 5.1 Android 4.1.2
Multitasking Yes Yes
App store Android Market Android Market
Adobe flash support No No
App store size 850,000 apps 850,000 apps


Acts as a wi-fi hotspot Yes Yes
Supports NFC Yes Yes
Bluetooth Bluetooth v4.0 Bluetooth v4.0
Sony Xperia Z
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LG Optimus G
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