PhoneRocket Review Our evaluation of Lumia 820 vs Lumia 720


Processing power and speed

BrowserMark and Sunspider 0.9.1


3D and 2D graphics

Lumia 820
Lumia 720
AnTuTu 3D, GLBenchmark 2.5 and GLBenchmark 2.7

Battery Life

How long will the battery last

Talk time (3G), Talk time, Standby time (3G), Standby time and 1 more


How do our trusted review sites rank these products?

Reviews from, and

PhoneRocket Score

Performance, Graphics, Battery Life and Reviews

Nokia Lumia 820 

PhoneRocket recommends the Nokia Lumia 820  based on its performance.

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Benchmarks Real world tests of Lumia 820 vs 720

SunSpider 0.9.1 Web browser and javascript performance

Lumia 820
920 ms
Lumia 720
1,438 ms

BrowserMark How fast does the web browser load pages

Lumia 820
Lumia 720

Differences What are the advantages of each

Back view of Nokia Lumia 820

Reasons to consider the
Nokia Lumia 820

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Faster javascript execution 920 ms vs 1,438 ms More than 35% better SunSpider 0.9.1 score
Screen uses OLED technology Yes vs No About half of smartphones are OLED; OLED screens are typically higher contrast and use less power
Much better theoretical download speed 100 Mb/s vs 21.1 Mb/s Around 4.8x better theoretical download speed; enjoy lightning fast downloads on modern networks
Significantly faster processor 1.5 GHz vs 1 GHz 50% faster processor; run computation-intensive applications, such as photo editing, faster
Slightly higher resolution front camera 8 MP vs 6.7 MP Around 20% higher resolution front camera; Video chat with other people
Side view of Nokia Lumia 720

Reasons to consider the
Nokia Lumia 720

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Lighter 128 g vs 160 g 20% lighter
Longer standby time (3G) 31,248 min vs 21,600 min Around 45% longer standby time (3G)
Longer standby time 30,240 min vs 21,600 min 40% longer standby time
More battery capacity 2,000 mA·h vs 1,650 mA·h More than 20% more battery capacity
Longer talk time 1,404 min vs 924 min More than 50% longer talk time; go days without charging
Thinner 9 mm vs 9.9 mm Around 10% thinner

Reviews Word on the street

Lumia 820  vs 720 

One thing we really appreciate about this ClearBlack LCD display is that it is easily visible when viewed outdoors.
Lumia 720

As far as mapping software goes, Nokia Maps is definitely a solid piece of software and after getting used to it, we dare say you'll be happy enough without Google Maps on board.
Lumia 820


7.3 Out of 10
8.3 Out of 10

Specifications Full list of technical specs


Lumia 820  vs
Size 4.3" 4.3"
Resolution 800 x 480 800 x 480
Touchscreen Capacitive Capacitive
Multitouch Yes Yes
PPI 216 ppi 216 ppi


Has an assisted GPS Yes Yes


Supports FM radio Yes Yes


Operating system Windows Phone, 8 Windows Phone, 8
App store Windows Phone Marketplace Windows Phone Marketplace
Adobe flash support No No
App store size 120,000 apps 120,000 apps


Acts as a wi-fi hotspot Yes Yes
Supports NFC Yes Yes
Bluetooth Bluetooth v3.0 Bluetooth v4.0 + LE

form factor

Lumia 820  vs
Weight 160 g 128 g
Thickness 9.9 mm 9 mm
Size 68.5 x 123.8 x 9.9 mm 67.5 x 127.9 x 9 mm


Clock speed 1.5 GHz 1 GHz
Number of cores Dual core Dual core
RAM 1 GB 0.5 GB
Internal storage 8 GB 8 GB
Supported card formats

photo & video

Camera 8 MP 6.7 MP
Resolution 8 MP 6.7 MP
Flash Yes Yes
Secondary camera 0.3 MP 1.3 MP
Video resolution 1920 x 1080 @ 30 fps 1280 x 720 @ 30 fps


Generation 4G 4G
LTE Cat3/4 Uplink (50 Mb/s)
LTE Cat3 (100 Mb/s)
HSUPA (5.76 Mb/s)
EDGE (0.38 Mb/s)
LTE (20 Mb/s)
Unknown (100 Mb/s)
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 924 min 1,404 min
Talk time (3G) 486 min 804 min
Standby time 21,600 min 30,240 min
Standby time (3G) 21,600 min 31,248 min
Capacity 1,650 mA·h 2,000 mA·h
Nokia Lumia 820
Report a correction
Nokia Lumia 720
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