3. Apple conducted performance evaluations on 12-inch MacBooks in March of 2017, using machines that had 1.3GHz Intel Core i5 processors, 512GB SSDs, and 8GB RAM. Apple computers were used for the tests throughout the process. It is necessary to wirelessly browse 25 popular websites while having the brightness set to 75% in order to get an accurate estimate of how long a battery will last. Run a movie through iTunes with the brightness set to 75% in order to obtain an accurate reading of the remaining battery life. The standby test is used to determine how long a device’s battery will last by putting the device into standby mode while it is simultaneously signed into iCloud, wirelessly connected, and running Safari and Mail while leaving all other settings in their default configurations. This test is performed in order to determine how long a device’s battery will last. The longevity of the battery can be affected by the way in which it is configured as well as the way in which it is used.
PCIe flash storage with soldering, either 256 or 512 gigabytes, is included in the package (cannot be upgraded). It takes the hard drive between 845 and 947 megabytes to store one second’s worth of data.
This MacBook’s 12-inch “Retina” display has a resolution of 2304 by 1440 pixels, is backlit by TFT LED, and has a pixel density of 226 pixels per inch (PPI). All of these specifications are courtesy of Apple. As a direct consequence of this, it is able to display any one of millions of distinct colors. As a direct result of this, the differences between individual pixels are less noticeable when viewed from the typical viewing distance. [Citation needed] Images can be displayed with resolutions of up to 1024 by 640 pixels, 1280 by 800 pixels, and 1440 by 900 pixels, respectively, thanks to a technology called in-plane switching (IPS).
This computer came with macOS X 10.11.4 pre-installed on it when it was purchased (15E2066). After the release of the model in the early part of 2015, the HD Graphics 5300 was discontinued and replaced by the Intel Integrated HD Graphics 515. This processor is connected to a shared SDRAM memory space that has a bandwidth of 1866 megahertz LPDDR3.
Memory on the device has been increased to 8 gigabytes of LPDDR3 SDRAM operating at 1866 megahertz, up from 8 gigabytes operating at 1600 megahertz when it was first made available to the public at the beginning of 2015. (unable to upgrade). Memory is organized in 64-bit chunks on this machine.
| Introduced: April 19, 2016 | Discontinued: June 5, 2017 | ||
| Screen Size and Resolution | Memory | ||
| Screen Size | 12 inches | Level 1 Cache | 32k/32k x2 |
| Resolution | 2304×1440 | Level 2/Level 3 Cache | 256k x2, 4MB on chip |
| Processor | RAM Type | LPDDR3 SDRAM | |
| Processors | 1 (2 Cores) | Min. RAM Speed | 1866 MHz |
| Architecture | 64-Bit | Standard RAM | 8 GB |
| Speed | 1.3 GHz | Maximum RAM | 8 GB |
| Type | Core m7(M7-6Y75) | RAM Slots | 2 |
| Processor Upgrade | Soldered | Motherboard RAM | 8GB |
| FLU | Integrated | Graphics | |
| System Bus Speed | OPI | Video Card | HD Graphics 515 |
| Cache Bus Speed | 1.1 GHz (Built-in) | VRAM Type | Integrated |
| ROM/Firmware | EFI | Standard VRAM | 1.5 GB |
| EFI Architecture | 64-Bit | Maximum VRAM | 1.5 GB |
| Storage | Inclusive Features and Ports | ||
| Standard Storage | 256 GB SSD | Standard Optical Drive | None |
| Storage Speed | 845 – 947 MB/s | Standard Ethernet | 10/100/1000Base-T |
| Storage Dimensions | Soldered | Standard Modem | None |
| Storage Interface | Onboard (PCIe 3.0 x 2) | Standard AirPort | 802.11ac |
| Battery | Standard Bluetooth | 4.0 | |
| Type | 41.4 W h Li-Poly | USB Port (C) | 1 |
| Battery Life | 10 – 11 hours | FireWire 400 | None |
| Description | Keyboard | Full-size | |
| Case Type | Notebook | Inclusive Input | Trackpad (Force Touch) |
| Form Factor | MacBook Retina 12” | S-Video Output | None |
| Apple Order No | BTO/CTO | Microphone | 1 |
| Apple Subfamily | Early 2016 | Headphone | 1 |
| Apple Model Number | A1534 (EMC 2991) | Sound Out | 1 |
| Model ID | MacBook 9.1 | Power Adapter | 1 |
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