PhoneRocket Review Our evaluation of Xperia Z1 vs Xperia Z Ultra


Processing power and speed

Passmark, Geekbench, AnTuTu and BrowserMark


3D and 2D graphics

AnTuTu 3D

Battery Life

How long will the battery last

Talk time (3G), Standby time (3G), Standby time and Battery capacity


How do our trusted review sites rank these products?

Reviews from,,, and

PhoneRocket Score

Performance, Graphics, Battery Life and Reviews

Sony Xperia Z Ultra 

PhoneRocket recommends the Sony Xperia Z Ultra  based on its performance and reviews.

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Benchmarks Real world tests of Xperia Z1 vs Z Ultra

geekbench Processor and memory performance

passmark Processor performance including multiple coresData courtesy Passmark

AnTuTu Memory, processor, graphics and storage performance

Xperia Z1

BrowserMark How fast does the web browser load pages

AnTuTu 3D 3D graphics performance

Differences What are the advantages of each

Back view of Sony Xperia Z1

Reasons to consider the
Sony Xperia Z1

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Much higher resolution front camera 20.7 MP vs 8 MP More than 2.5x higher resolution front camera; Video chat with other people
Significantly lighter 170 g vs 212 g Around 20% lighter
Sharper screen 440 ppi vs 344 ppi Around 30% sharper PPI; enjoy photo-realistic, crisp images
Back view of Sony Xperia Z Ultra

Reasons to consider the
Sony Xperia Z Ultra

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Significantly faster web browser 3,089 vs 2,185 More than 40% better BrowserMark score
Noticeably bigger screen 6.4" vs 5" Around 30% bigger screen
Thinner 6.5 mm vs 8.5 mm Around 25% thinner

Reviews Word on the street

Xperia Z1  vs Z Ultra 

With the quad-core 2.2 GHz Krait 400 CPU, overall system performance is simply great, with no visible hiccups or slowdowns.
Xperia Z1

In good lighting, the Xperia Z1 will give you some lovely results, but there's little real advantage to the full resolution over the some of the lesser settings: zooming in to 100 per cent reveals the much of the detail is mushy so we'd be tempted to stick to the 8-megapixel offering to save storage space anyway.
Xperia Z1

Your own photos look great on the screen, the icons are sharp, web text is readable.
Xperia Z1


8.0 Out of 10
8.1 Out of 10

Specifications Full list of technical specs


Xperia Z1  vs
Z Ultra 
Size 5" 6.4"
Resolution 1920 x 1080 1920 x 1080
Multitouch N/A Yes
PPI 440 ppi 344 ppi


Clock speed 2.2 GHz 2.2 GHz
Number of cores Quad core Quad core
Internal storage 16 GB 16 GB
Supported card formats

photo & video

Camera 20.7 MP 8 MP
Resolution 20.7 MP 8 MP
Secondary camera 2 MP 2 MP
Video resolution 1920 x 1080 @ Unknown 1920 x 1080 @ Unknown


Generation 4G 4G
LTE Cat 4 (150/)
LTE Cat3
HSUPA (5.76 Mb/s)
LTE Cat4 (150 Mb/s)
EDGE (0.38 Mb/s)
LTE (20 Mb/s)
HSDPA+ (42.2 Mb/s)
UMTS (0.38 Mb/s)
GPRS (0.01 Mb/s)
GSM (0.01 Mb/s)


Talk time (3G) 900 min 960 min
Standby time 52,848 min 52,128 min
Standby time (3G) 50,976 min 49,248 min
Capacity 3,000 mA·h 3,050 mA·h

form factor

Xperia Z1  vs
Z Ultra 
Weight 170 g 212 g
Thickness 8.5 mm 6.5 mm
Size 73.9 x 144.4 x 8.5 mm 92.2 x 179.4 x 6.5 mm


Has an assisted GPS Yes Yes


Supports FM radio Yes Yes


Operating system Android 5.1 Android 5.1
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 Z1
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Sony Xperia Z Ultra
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