Motorola RAZR D3 XT919
#8419
Yezz Billy 4
#8310Category Breakdown
Motorola RAZR D3 XT919
Yezz Billy 4
Performance
35.039.1
Camera
14.115.4
Display
16.916.9
Battery
18.913.1
Build
0.20.2
Connectivity
40.837.6
Audio
8.98.9
Overall
15.215.6
Summary
- The Motorola RAZR D3 XT919 and Yezz Billy 4 both feature a 4.0-inch TFT display with a resolution of 480 x 800 pixels, offering similar visual quality.
- In terms of performance, the RAZR D3 is powered by a dual-core Mediatek MT6577T, while the Billy 4 utilizes a quad-core Qualcomm MSM8212, providing a slight edge in processing capability for the latter.
- Both devices have an 8 MP rear camera, but the Billy 4 offers a marginally better selfie camera at 1.3 MP compared to the RAZR's 1.2 MP.
- The RAZR D3 has a larger 2000 mAh battery, whereas the Billy 4 is equipped with a smaller 1300 mAh battery.
- Software-wise, the RAZR runs Android 4.1 (upgradable to 4.4.2), while the Billy 4 operates on Windows Phone 8.1, leading to differing user experiences.
- Build quality is comparable, with the RAZR being slightly heavier at 120g versus the Billy 4's 109g.
Side-by-side Specification Comparison
Motorola RAZR D3 XT919
Yezz Billy 4
General
Release Date
2013
2014
Announced
2013
2014
Description
Also available as Motorola RAZR D3 XT920 with dual-SIM card slots
N/A
Display
Size
4"
4"
Type
TFT
TFT
Resolution
480 x 800 pixels, 5:3 ratio (~233 ppi density)
480 x 800 pixels, 5:3 ratio (~233 ppi density)
PPI
480
480
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass
N/A
Performance
Chipset
Mediatek MT6577T (40 nm)
Qualcomm MSM8212 Snapdragon 200 (28 nm)
CPU
Dual-core 1.2 GHz Cortex-A9
Quad-core 1.2 GHz Cortex-A7
GPU
PowerVR SGX531u
Adreno 302
Memory
4GB 1GB RAM
4GB 512MB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
microSDXC (dedicated slot)
Camera
Main Camera
8 MP, AF
8 MP, AF
Main Camera Features
LED flash, HDR
LED flash
Front Camera
1.2 MP
1.3 MP
Front Camera Features
N/A
N/A
Video Recording
720p
720p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
2000 mAh
1300 mAh
Battery Details
Li-Ion 2000 mAh, non-removable
Li-Ion 1300 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
119.3 x 59.8 x 9.8 mm (4.70 x 2.35 x 0.39 in)
122.5 x 64.4 x 9.9 mm (4.82 x 2.54 x 0.39 in)
Weight
120 g
109 g
Materials
N/A
N/A
Colors
Black, White
White, Black, Red, Gun Metal, Blue, Yellow, Champing Gold
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Single SIM or Dual SIM (dual stand-by)
Dual SIM (Micro-SIM)
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA 7.2/5.76 Mbps
HSPA 42.2/5.76 Mbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g/n, hotspot, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
Bluetooth
4.0, LE, EDR, aptX
4.0, A2DP
NFC
✓
✗
USB
microUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS, GLONASS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 4.1 (Jelly Bean), upgradable to 4.4.2 (KitKat)
Microsoft Windows Phone 8.1
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity, compass
Accelerometer, proximity