Nokia Lumia 521Nokia Lumia 925
Top 30%8,984 points
Top 30%
Top 58%17,230 points
Top 58%
Screen size
Number of smartphones
lowmidhigh
Top 70%
360 smartphones
4.2" - 4.67"
NaN% of all smartphonesYes
No
screen size
resolution
RAM
total clock speed
battery power
megapixels
4"
4.5"
Samsung Galaxy J Max
7"
Best

Nokia Lumia 521 vs Nokia Lumia 925: 49 facts in comparison

1. battery power

28.5% more battery power.
1430mAh
Gionee M6 Plus: 6020mAh
2000mAh
4313
0

2. total clock speed

33.33% faster CPU clock speed.
2 x 1GHz
LeEco Le 2 Pro: 10 x 2.7GHz
2 x 1.5GHz
3504
0

3. pixel density

30.24% higher pixel density.
233ppi
Sony Xperia Z5 Premium Dual: 806ppi
334ppi
2893
0

4. screen size

The bigger the screen size is, the better the user experience.
4"
Samsung Galaxy J Max: 7"
4.5"
2432
0

5. megapixels

42.53% more megapixels (photo).
5MP
Nokia Lumia 1020: 41MP
8.7MP
2141
0

6. RAM

0.5GB more RAM memory.
0.5GB
Huawei Mate 9 Pro: 6GB
1GB
2081
0

7. resolution

60.94% higher resolution.
480 x 800px
Sony Xperia Z5 Premium Dual: 2560 x 3840px
768 x 1280px
1955
0

8. has an external memory slot

The device has a standard memory slot (such as an SD or micro SD card slot) so that you can either extend the internal storage with affordable memory modules or you can retrieve data, such as photographs, easily from a memory card.
Nokia Lumia 521
Nokia Lumia 925
81% have it
1588
0

9. weight

15g lighter.
124g
Microsoft Nokia 105: 68.9g
139g
1334
0

10. has branded damage resistant glass

Damage resistant glass (such as Corning Gorilla Glass or Asahi Dragontrail Glass) is thin and lightweight, and can withstand high levels of force.
Nokia Lumia 521
Nokia Lumia 925
43% have it
1292
0

11. every pixel has three subpixels

The device has a display with three full subpixels per pixel, resulting in a sharp and crisp picture. Pixels in some displays (like AMOLED) share one subpixel to preserve space. This can result in a less crisp, slightly blurred image.
Nokia Lumia 521
Nokia Lumia 925
79% have it
1224
0

12. has a removable battery

The battery is removable and can be replaced by the user if broken.
Nokia Lumia 521
Nokia Lumia 925
42% have it
1154
0

13. thickness

1.4mm thinner.
9.9mm
Coolpad Ivvi K1 Mini: 4.7mm
8.5mm
1150
0

14. has built-in optical image stabilization

Optical image stabilization uses gyroscopic sensors to detect the vibrations of the camera. The lens adjusts the optical path accordingly, ensuring that any type of motion blur is corrected before the sensor captures the image.
Nokia Lumia 521
Nokia Lumia 925
13% have it
959
0

15. internal storage

8GB more internal storage.
8GB
Huawei Mate 9 Pro: 256GB
16GB
908
0

16. has a radio

It works as an FM radio with included headsets
Nokia Lumia 521
Nokia Lumia 925
63% have it
814
0

17. wireless charging

The manufacturer offers a branded wireless charging kit. To charge the device, you simply put it down on its charging base.
Nokia Lumia 521
Nokia Lumia 925
8% have it
786
0

18. download speed

78.9% faster downloads.
21.1MBits/s
Samsung Galaxy Note 7: 600MBits/s
100MBits/s
742
0

19. Is DLNA certified

All DLNA certified products are compatible with one another. When different devices are connected to the same network, data can be transferred easily between them.
Nokia Lumia 521
Nokia Lumia 925
40% have it
699
0

20. has a dedicated camera button

A dedicated camera button allows you to take snapshots more easily.
Nokia Lumia 521
Nokia Lumia 925
10% have it
667
0

21. video recording

33.33% better video recording quality.
720 x 30fps
Huawei Honor 8: 2176 x 120fps
1080 x 30fps
649
0

22. has an IPS screen

IPS (In-Plane Switching) is a technology used for LCDs. It was designed to overcome the main limitations of normal TFTs TN-matrices: relatively slow response times, small viewing angles and low quality color reproduction.
Nokia Lumia 521
Nokia Lumia 925
51% have it
636
0

23. has NFC

NFC (near field communication) allows a device to perform simple wireless transactions.
Nokia Lumia 521
Nokia Lumia 925
41% have it
619
0

24. Has a dual-tone LED flash

A dual-tone LED flash has led lights with different color temperatures, delivering a better colour balance to photos and videos.
Nokia Lumia 521
Nokia Lumia 925
23% have it
567
0

25. width

6.6mm narrower.
64mm
Vertu Signature for Bentley: 42mm
70.6mm
565
0

26. height

5mm shorter.
124mm
Microsoft Lumia 638: 66.7mm
129mm
498
0

27. widest aperture

With a wider aperture the sensor can capture more light, helping to avoid blur by enabling a faster shutter speed. It also provides a shallow depth of field, allowing you to blur the background to focus attention on the subject.
2.4
Samsung Galaxy S7 edge 32GB: 1.7
2
471
0

28. has a two-stage shutter

A two-stage shutter is good for taking photos like a pro; apply pressure to the button in order for the lens to focus, and then press it fully to capture the photograph.
Nokia Lumia 521
Nokia Lumia 925
5% have it
427
0

29. Has integrated LTE

The system on a chip (SoC) has an integrated LTE cellular chip. LTE is capable of downloading at faster speeds than older, 3G technology.
Nokia Lumia 521
Nokia Lumia 925
38% have it
426
0

30. has a BSI sensor

A BSI (backside illuminated) sensor is a camera image sensor which captures better quality images in poor lighting conditions, and offers better overall sharpness and image quality.
Nokia Lumia 521
Nokia Lumia 925
36% have it
376
0

31. has continuous autofocus when recording movies

When recording movies they stay focussed and sharp.
Nokia Lumia 521
Nokia Lumia 925
25% have it
359
0

32. has a video light

A video light helps when recording a movie in low-light situation like a party.
Nokia Lumia 521
Nokia Lumia 925
21% have it
325
0

33. has manual exposure

This allows to manually set the exposure.
Nokia Lumia 521
Nokia Lumia 925
24% have it
311
0

34. has a CMOS sensor

CMOS image sensors are slowly replacing CCD sensors, due to reduced power consumption and better image quality. They can be very compact and cost relatively little to produce.
Nokia Lumia 521
Nokia Lumia 925
46% have it
272
0

35. upload

88.48% faster uploads.
5.76MBits/s
HTC One E9+ Dual SIM: 150.8MBits/s
50MBits/s
261
0
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