Pi Cap
+
Raspberry Pi
+
OR
Performance
(Whetstone MWIPS, higher is better)
Idle power consumption
(W)
Under load power consumption
(W)
Price
Availability
Connectivity
Pi Zero
340
0.50
1.25
£4
Variable (improving)
GPIO, HDMI mini,
composite video, USB
OTG, CSI
(camera)
65mm x 30mm x 5mm
512 MB
1.0 GHz
Small projects without a
need for video, internet
or lots of USB accessories.
Great for battery powered
projects — if you can get
your hands on one!
Pi 3 B
711
1.55
2.90
£30
Excellent
GPIO, HDMI, 3.5mm audio
socket, composite video,
DSI (display), CSI (camera),
ethernet, 4 x USB, WiFi,
Bluetooth
85mm x 56mm x 17mm
1 GB
1.2 GHz
Sophisticated projects
needing lots of processing
power, Bluetooth or WiFi.
Not the best choice for
battery-powered projects.
Pi 2 B
437
1.30
2.10
£30
Good
GPIO, HDMI, 3.5mm audio
socket, composite video,
DSI (display), CSI (camera),
ethernet, 4 x USB
85mm x 56mm x 17mm
1 GB
900 MHz
A good alternative to the
Raspberry Pi 3 if you don’t
need the extra processing
power, want slightly lower
power consumption, or
don’t need the wireless
connectivity.
Pi A+
237
0.55
0.85
£18
Good
GPIO, HDMI, 3.5mm audio
socket, composite video,
DSI (display), CSI (camera),
1 x USB
65mm x 56mm x 12mm
256 MB
700 MHz
An excellent small form
factor Pi with low power
consumption — a good
alternative to the less
available Pi Zero for
projects not needing lots of
processing power and with
limited space.
Pi B+
233
1.25
1.55
£20
Good
GPIO, HDMI, 3.5mm audio
socket, composite video,
DSI (display), CSI (camera),
ethernet, 4 x USB
85mm x 56mm x 17mm
512 MB
700 MHz
A great lower cost option
for projects needing lots of
USB connectivity but not
requiring the extra power
and features of a Pi 2 or 3.
Dimensions
RAM
CPU speed
Best for?
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