Category Breakdown
Karbonn K707 Spy II
Nokia E51
Performance
5.333.5
Camera
39.610.0
Display
21.239.1
Battery
17.411.2
Build
0.215.9
Connectivity
9.415.4
Audio
8.98.9
Overall
12.514.2
Summary
- The Karbonn K707 Spy II features a 2.4-inch TFT display with a resolution of 240 x 320 pixels and a pixel density of approximately 167 ppi, while the Nokia E51 has a slightly smaller 2.0-inch TFT display with the same resolution but a higher pixel density of about 200 ppi.
- In terms of performance, the K707 has no RAM, whereas the E51 is equipped with 130MB of RAM and a 369 MHz ARM 11 CPU, providing better multitasking capabilities.
- The K707 has a 1.3 MP rear camera, while the E51 offers a 2 MP rear camera with video recording capabilities.
- The K707 is powered by an 1800 mAh battery, surpassing the E51's 1050 mAh capacity.
- Both devices lack advanced software features, but the E51 runs on Symbian OS, offering a more robust software experience compared to the K707.
Side-by-side Specification Comparison
Karbonn K707 Spy II
Nokia E51
General
Release Date
2012
2007
Announced
2012
2007
Description
N/A
N/A
Display
Size
2.4"
2"
Type
TFT, 65K colors
TFT, 16M colors
Resolution
240 x 320 pixels, 4:3 ratio (~167 ppi density)
240 x 320 pixels, 4:3 ratio (~200 ppi density)
PPI
240
240
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
N/A
CPU
N/A
369 MHz ARM 11
GPU
N/A
N/A
Memory
N/A
130MB 96MB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
microSDHC (dedicated slot)
Camera
Main Camera
1.3 MP
2 MP
Main Camera Features
N/A
N/A
Front Camera
N/A
N/A
Front Camera Features
N/A
N/A
Video Recording
Yes
320p@15fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1800 mAh
1050 mAh
Battery Details
Li-Ion 1800 mAh battery
Removable Li-Ion 1050 mAh battery ( BP-6MT)
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
118.9 x 49.8 x 15.7 mm (4.68 x 1.96 x 0.62 in)
114.8 x 46 x 12 mm, 61 cc (4.52 x 1.81 x 0.47 in)
Weight
100 g
100 g
Materials
N/A
N/A
Colors
Black/Silver, Black/Red
Black, Silver
Foldable
✗
✗
SAR
N/A
1.38 W/kg (head) 0.75 W/kg (body)
Connectivity
SIM
Dual SIM (Mini-SIM)
Mini-SIM
Network
GSM
GSM / HSPA
Network Speed
N/A
HSPA 3.6/0.384 Mbps
5G
✗
✗
4G
✗
✗
WiFi
No
Wi-Fi 802.11b/g, VoIP over WLAN
Bluetooth
2.0
2.0, A2DP
NFC
✗
✗
USB
microUSB
miniUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
No
No
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
No
Software & Security
Operating System
N/A
Symbian OS 9.2, Series 60 v3.1 UI
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
N/A

