Category Breakdown
Nokia E7
verykool s4009 Crystal
Performance
32.239.5
Camera
15.415.4
Display
75.116.9
Battery
12.312.3
Build
14.814.9
Connectivity
29.732.9
Audio
8.98.9
Overall
23.117.6
Summary
- The Nokia E7, released in 2011, features a robust build with a heavier weight of 176g and a thicker profile at 13.6mm, while the verykool s4009 Crystal, launched in 2017, is lighter and slimmer at 10.7mm.
- Both phones have a 4.0" display, but the E7 uses AMOLED technology with a resolution of 360 x 640 pixels, offering better color contrast compared to the TFT display of the s4009 Crystal, which has a resolution of 480 x 800 pixels.
- In terms of performance, the E7 is powered by a 680 MHz ARM 11 CPU and has 256MB RAM, while the s4009 Crystal has a more modern dual-core 1.3 GHz Cortex-A7 with 512MB RAM, providing smoother multitasking.
- The E7's rear camera is 8 MP, superior to the 5 MP camera on the s4009 Crystal, although both can record 720p video.
- Both devices have a 1200mAh battery, but the software experience differs significantly, with the E7 running Symbian^3, which is less versatile than the Android 6.0 Marshmallow on the s4009 Crystal, allowing for a more contemporary app ecosystem.
Side-by-side Specification Comparison
Nokia E7
verykool s4009 Crystal
General
Release Date
2011
2017
Announced
2010
2017
Description
N/A
N/A
Display
Size
4"
4"
Type
AMOLED
TFT
Resolution
360 x 640 pixels, 16:9 ratio (~184 ppi density)
480 x 800 pixels, 5:3 ratio (~233 ppi density)
PPI
360
480
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass
N/A
Performance
Chipset
N/A
Mediatek MT6570 (28 nm)
CPU
680 MHz ARM 11
Dual-core 1.3 GHz Cortex-A7
GPU
Broadcom BCM2727
Mali-400
Memory
16GB 256MB RAM
8GB 512MB RAM
Expandable Storage
✗
✗
Card Slot
No
microSDXC
Camera
Main Camera
8 MP
5 MP, f/2.4
Main Camera Features
Dual-LED flash
LED flash, panorama
Front Camera
VGA
2 MP
Front Camera Features
N/A
N/A
Video Recording
720p@25fps, 720p@30fps (via SW update)
720p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1200 mAh
1200 mAh
Battery Details
Non-removable Li-Ion 1200 mAh battery (BL-4D)
Li-Ion 1200 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
123.7 x 62.4 x 13.6 mm, 104.9 cc (4.87 x 2.46 x 0.54 in)
127 x 66 x 10.7 mm (5.0 x 2.60 x 0.42 in)
Weight
176 g
N/A
Materials
N/A
N/A
Colors
Dark Grey, Silver White, Green, Blue, Orange
Black/Gold
Foldable
✗
✗
SAR
0.93 W/kg (head) 1.23 W/kg (body)
1.13 W/kg (head) 0.81 W/kg (body)
Connectivity
SIM
Mini-SIM
Dual SIM (Mini-SIM/ Micro-SIM, dual stand-by)
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA 10.2/2 Mbps
HSPA 21.1/5.76 Mbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
3.0, A2DP
4.0, A2DP, LE
NFC
✗
✗
USB
microUSB 2.0, OTG
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, A-GPS; Ovi Maps 3.0
GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Symbian^3, upgradable to Nokia Belle OS
Android 6.0 (Marshmallow)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity, compass
Accelerometer

