Comparison between:
- Amazon Fire 7 (2017)
- Apple iPad (2021) Wi-Fi
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Amazon Fire 7 (2017) | Apple iPad (2021) Wi-Fi | |
 |  | |
| Model alias | - | iPad 2021 Wi-Fi iPad 9th Gen |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 192 mm 19.2 cm 0.63 ft 7.559 in | 250.6 mm 25.06 cm 0.822 ft 9.866 in |
| Height | 115 mm 11.5 cm 0.377 ft 4.528 in | 174.1 mm 17.41 cm 0.571 ft 6.854 in |
| Thickness | 9.6 mm 0.96 cm 0.031 ft 0.378 in | 7.5 mm 0.75 cm 0.025 ft 0.295 in |
| Weight | 295 g 0.65 lbs 10.41 oz | 494 g 1.09 lbs 17.43 oz |
| Volume | 211.97 cm³ 12.87 in³ | 327.22 cm³ 19.87 in³ |
| Colors | Black Yellow Blue Red | Space Gray Silver |
| Body materials | - | 100% recycled aluminum |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | Fire OS 5.3.3 (Android 5.1.1 Lollipop) | iPadOS 15 |
System on Chip (SoC)
A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.
| SoC | MediaTek MT8127M | Apple A13 Bionic APL1W85 |
| Process technology | 28 nm | 7 nm |
| CPU | 4x 1.3 GHz ARM Cortex-A7 | - |
| CPU bits | 32 bit | 64 bit |
| Instruction set | ARMv7-A | ARMv8-A |
| Level 1 cache memory (L1) | 32 KB + 32 KB | 128 KB + 128 KB |
| Level 2 cache memory (L2) | 512 KB 0.5 MB | 8192 KB 8 MB |
| CPU cores | 4 | 6 |
| CPU frequency | 1300 MHz | 2650 MHz |
| GPU | ARM Mali-450 MP4 | - |
| GPU cores | 4 | 4 |
| GPU frequency | 600 MHz | - |
| RAM capacity | 1 GB | - |
| RAM type | LPDDR3 | - |
| RAM channels | Single channel | - |
| RAM frequency | 666 MHz | - |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 8 GB 16 GB | 64 GB 256 GB |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | microSD microSDHC microSDXC | - |
Display
The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.
| Type/technology | IPS | IPS |
| Diagonal size | 7 in 177.8 mm 17.78 cm | 10.2 in 259.08 mm 25.91 cm |
| Width | 6.04 in 153.41 mm 15.34 cm | 8.16 in 207.26 mm 20.73 cm |
| Height | 3.54 in 89.89 mm 8.99 cm | 6.12 in 155.45 mm 15.54 cm |
| Aspect ratio | 1.707:1 | 1.333:1 4:3 |
| Resolution | 1024 x 600 pixels | 2160 x 1620 pixels |
| Pixel density | 170 ppi 66 ppcm | 265 ppi 104 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 62.65 % | 74.08 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch Scratch resistant |
| - | Retina display True Tone display Oleophobic (lipophobic) coating 500 cd/m² |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Accelerometer | Light Accelerometer Compass Gyroscope Barometer Fingerprint |
| - | Side-mounted fingerprint sensor Three‐axis gyro |
Rear camera
The primary camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.
| Sensor type | CMOS | CMOS BSI |
| Pixel size | - | 1.12 µm 0.001120 mm |
| Aperture | - | f/2.4 |
| Number of lenses | - | 5 |
| Image resolution | 1600 x 1200 pixels 1.92 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | 1280 x 720 pixels 0.92 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps |
| Features | Digital zoom Self-timer | Autofocus Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection Exposure compensation Self-timer |
| - | 720p @ 120 fps 5x digital zoom |
Front camera
Modern smartphones have one or more front cameras and their positioning has led to various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc.
| Sensor type | - | CMOS BSI |
| Aperture | - | f/2.4 |
| Image resolution | 640 x 480 pixels 0.31 MP | 4032 x 3024 pixels 12.19 MP |
| Video resolution | 640 x 480 pixels 0.31 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 60 fps |
| Features | - | Face unlock HDR Face detection Exposure compensation Self-timer Center Stage |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker | Loudspeaker Stereo speakers |
| - | Dual microphones |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | No | No |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | - | GPS A-GPS GLONASS |
Wi-Fi
Wi-Fi is a technology that provides wireless data connections between various devices within a short range.
| Wi-Fi | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz Dual band | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot |
| - | HT80 with MIMO |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.1 | 4.2 |
| Features | A2DP LE | A2DP LE |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | Micro USB | - |
| Version | 2.0 | 2.0 |
| Features | Charging Mass storage | Charging Mass storage Proprietary |
Headphone jack
The headphone jack is an audio phone connector, a.k.a. an audio jack. The most widely used one in mobile devices is the 3.5 mm headphone jack.
| Headphone jack | Yes | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering | Computer sync OTA sync Tethering |
Browser
A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.
| Browser | HTML HTML5 CSS 3 | HTML HTML5 CSS 3 |
Audio file formats/codecs
Mobile devices support various audio file formats and codecs, which respectively store and code/decode digital audio data.
| Audio file formats/codecs | AAC AAC+ AMR AMR-WB eAAC+ MIDI MP3 OGG WMA WAV | AAC eAAC+ M4A MP3 WAV Apple Lossless AAX+ AAX |
Video file formats/codecs
Mobile devices support various video file formats and codecs, which respectively store and code/decode digital video data.
| Video file formats/codecs | 3GPP AVI MKV MP4 VP8 WebM WMV Xvid | 3GPP H.263 H.264 H.265 QuickTime MPEG-4 |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 2980 mAh | - |
| Type | Li-Polymer | Li-Polymer |
| Features | Non-removable | Non-removable |
| Battery life - up to 7 h | 32.4 Wh |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | - | Apple Pencil (1st generation) |
| Amazon Fire 7 (2017) | Apple iPad (2021) Wi-Fi |