PhoneRocket Review Our evaluation of Xperia Z Ultra vs S4


Processing power and speed

Passmark, Geekbench, AnTuTu and BrowserMark


3D and 2D graphics

AnTuTu 3D, GLBenchmark 2.5 and GLBenchmark 2.7

Battery Life

How long will the battery last

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


How do our trusted review sites rank these products?

Reviews from,,, and 2 more

PhoneRocket Score

Performance, Graphics, Battery Life and Reviews

Sony Xperia Z Ultra 

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

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Benchmarks Real world tests of Xperia Z Ultra vs Galaxy S4

geekbench Processor and memory performance

passmark Processor performance including multiple coresData courtesy Passmark

AnTuTu Memory, processor, graphics and storage performance

Galaxy S4

BrowserMark How fast does the web browser load pages

Differences What are the advantages of each

Back view of Sony Xperia Z Ultra

Reasons to consider the
Sony Xperia Z Ultra

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Faster web browser 3,089 vs 2,670 More than 15% better BrowserMark score
Better overall performance 2,692 vs 1,856 More than 45% better geekbench score
Much better theoretical download speed 150 Mb/s vs 20 Mb/s 7.5x better theoretical download speed; enjoy lightning fast downloads on modern networks
Supports FM radio Yes vs No Somewhat common; Listen to music and news from local radio stations
Noticeably bigger screen 6.4" vs 5" Around 30% bigger screen
Significantly longer standby time (3G) 49,248 min vs 22,176 min Around 2.2x longer standby time (3G)
Faster processor 2.2 GHz vs 1.9 GHz More than 15% faster processor; run computation-intensive applications, such as photo editing, faster
More battery capacity 3,050 mA·h vs 2,600 mA·h More than 15% more battery capacity
Thinner 6.5 mm vs 7.9 mm Around 20% thinner
Back view of Samsung Galaxy S4

Reasons to consider the
Samsung Galaxy S4

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Much lighter 130 g vs 212 g Around 40% lighter
Store significantly more stuff 64 GB vs 16 GB 4x more storage capacity; free yourself from memory cards
Higher resolution front camera 13 MP vs 8 MP Around 65% higher resolution front camera; Video chat with other people
Sharper screen 440 ppi vs 344 ppi Around 30% sharper PPI; enjoy photo-realistic, crisp images

Reviews Word on the street

Xperia Z Ultra  vs Galaxy S4 

Call quality is superb, data speeds over LTE 4G are excellent and the display has those better than life colors that many love.
Galaxy S4

Alternatively, the standard email app is available as well to handle other email services, but its functionality and interface is similar to Gmail.
Galaxy S4

Gaming on the Samsung Galaxy S4 is handled by the Adreno 320 GPU, which can still work its magic when it comes to giving smooth, real to life gaming on the go.
Galaxy S4


8.1 Out of 10
8.7 Out of 10

Specifications Full list of technical specs


Xperia Z Ultra  vs
Galaxy S4 
Size 6.4" 5"
Resolution 1920 x 1080 1920 x 1080
Touchscreen Capacitive Capacitive
Multitouch Yes Yes
PPI 344 ppi 440 ppi


Clock speed 2.2 GHz 1.9 GHz
Number of cores Quad core Quad core
Internal storage 16 GB 64 GB
Supported card formats

photo & video

Camera 8 MP 13 MP
Resolution 8 MP 13 MP
Secondary camera 2 MP 2 MP
Video resolution 1920 x 1080 @ Unknown 1920 x 1080 @ 30 fps


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) 960 min 1,020 min
Standby time (3G) 49,248 min 22,176 min
Capacity 3,050 mA·h 2,600 mA·h

form factor

Xperia Z Ultra  vs
Galaxy S4 
Weight 212 g 130 g
Thickness 6.5 mm 7.9 mm
Size 92.2 x 179.4 x 6.5 mm 69.8 x 136.6 x 7.9 mm


Has an assisted GPS Yes Yes


Supports FM radio Yes No


Operating system Android 5.1 Android 5.0
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 Ultra
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Samsung Galaxy S4
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