iMac (21.5-inch, Late 2015)
Quick look
Each figure is from the source marked1 unless it carries its own number.
Specifications
Body
- Dimensions
- 450 x 528 x 175 mm
- Weight
- 5.68 kg
- Ports
- Two Thunderbolt 2 ports, four USB 3 ports, SDXC card slot, Gigabit Ethernet (RJ-45), 3.5 mm headphone jack
- Thunderbolt ports
- 2
- Thunderbolt version
- Thunderbolt 2
- USB-A ports
- 4
- HDMI
- No HDMI port.5
- SD card slot
- Yes
- Headphone jack
- Yes
- Keyboard
- Magic Keyboard
- Touch ID
- No Touch ID.5
Display
- Display size
- 21.5 in
- Resolution
- 1920 x 1080
- Display type
- LED-backlit display with IPS technology
Chip and memory
- Chip
- 1.6GHz dual-core Intel Core i5
- Apple silicon
- Intel processor, not Apple silicon.6
- CPU cores
- 2
- Graphics
- Intel HD Graphics 6000
- Chip options
- 1.6GHz dual-core Intel Core i5 or 2.8GHz quad-core Intel Core i5
- Memory (base)
- 8GB
- Memory (maximum)
- 16GB
- Memory options
- 8GB or 16GB
- Memory upgradeable by user
- No, as Apple documents7
- Storage (base)
- 1TB
- Storage (maximum)
- 2TB
- Storage options
- 1TB hard drive, 1TB or 2TB Fusion Drive, or 256GB flash storage (SSD)
Connectivity
- Wi-Fi
- 802.11ac Wi-Fi
- Bluetooth
- 4.0
- Ethernet
- 10/100/1000BASE-T Gigabit Ethernet (RJ-45)
- External displays (base)
- 1
Camera and audio
- Camera
- FaceTime HD camera
- Speakers
- Stereo speakers
- Microphones
- Dual microphones
Platform
An iMac has no battery, so battery rows do not apply.
Software support
Previous and next model
Next model
What changed
- Weight
- 5.68 kg iMac (21.5-inch, Late 2015)5.44 kg iMac (21.5-inch, 2017)
- Ports
- Two Thunderbolt 2 ports, four USB 3 ports, SDXC card slot, Gigabit Ethernet (RJ-45), 3.5 mm headphone jack iMac (21.5-inch, Late 2015)Two Thunderbolt 3 (USB-C) ports, four USB-A ports, SDXC card slot, Gigabit Ethernet (RJ-45), 3.5 mm headphone jack iMac (21.5-inch, 2017)
- Chip
- 1.6GHz dual-core Intel Core i5 iMac (21.5-inch, Late 2015)2.3GHz dual-core Intel Core i5 iMac (21.5-inch, 2017)
- When does the iMac (21.5-inch, Late 2015) stop getting updates?
- Should I upgrade my iMac (21.5-inch, Late 2015)?
- 1 review of the iMac (21.5-inch, Late 2015) and 2 of the same chassis in another configuration
- Which Macs run macOS 27?
- Which Macs run macOS Monterey?
- Which Macs run macOS Big Sur?
- Which Macs have an SD card slot?
- How many external displays does each Mac support?
- Can I upgrade the memory or storage in my Mac?
- Ports, displays and chargers for every Mac
Comparisons
Against its own line
Against the rest of the range
- iMac (21.5-inch, Late 2015) vs MacBook (Retina, 12-inch, Early 2016)
- iMac (21.5-inch, Late 2015) vs iMac (Retina 5K, 27-inch, Late 2015)
- iMac (21.5-inch, Late 2015) vs MacBook Pro (Retina, 15-inch, Mid 2015)
- iMac (21.5-inch, Late 2015) vs MacBook (Retina, 12-inch, Early 2015)
- iMac (21.5-inch, Late 2015) vs MacBook Air (11-inch, Early 2015)
- iMac (21.5-inch, Late 2015) vs MacBook Air (13-inch, Early 2015)
- iMac (21.5-inch, Late 2015) vs MacBook Pro (Retina, 13-inch, Early 2015)
Sources
Apple Support (UK) — iMac (21.5-inch, Late 2015) - Technical Specification ·
↩Apple Newsroom (UK) — Apple Updates iMac Family with Stunning New Retina Displays ·
↩Not published by Apple.
↩endoflife.date — Apple macOS ·
↩No HDMI port. No Touch ID.
↩Intel processor, not Apple silicon.
↩Apple Support (UK) — Install memory in an iMac ·
↩Apple Newsroom (UK) — Apple Updates iMac Family with Stunning New Retina Displays ·
↩Apple Support (UK) — Identify your iMac model ·
↩Apple Support (UK) — Identify your iMac model ·
↩Feature updates: end date not published by Apple.
↩This is endoflife.date’s cycle end for Monterey, not necessarily the day of Apple’s last patch. The newest macOS Apple lists this Mac for is macOS Monterey. endoflife.date records security updates for Monterey as ended on 16 September 2024.
↩
Not published by Apple
iMac (21.5-inch, Late 2015). Apple doesn’t publish for this Mac: colours, pixel density, brightness, refresh rate, wide colour (P3), nano-texture option, GPU cores, storage upgradeable by user, maximum continuous power. Geekbench 7: the Mac chart has no entry for this Mac, so no figures are shown (chart read 10 Oct 2026). Pages checked: Apple Support (UK) — iMac (21.5-inch, Late 2015) - Technical Specification; Apple Support (UK) — Identify your iMac model; Apple Newsroom (UK) — Apple Updates iMac Family with Stunning New Retina Displays, read 9 Oct 2026.