iMac 21.5-inch (2017, non-Retina) vs iMac 21.5-inch Retina 4K (2017)
Both were released in 2017. Here is how they differ, and which one is worth more when you sell.
| Spec | iMac 21.5-inch (2017, non-Retina) | iMac 21.5-inch Retina 4K (2017) |
|---|---|---|
| Released | 2017 | 2017 |
| Chip | Intel 7th gen | Intel 7th gen |
| Display | 21.5-inch 1080p | 21.5-inch 4K Retina |
| Model identifier | iMac18,1 | iMac18,2 |
| U.S. model number | A1418 | A1418 |
| Versions | 2 | 3 |
| Memory (RAM) | 8GB, 16GB | 8GB, 16GB, 32GB |
| Storage | 256GB SSD, 1TB hard drive, 1TB Fusion Drive | 256GB SSD, 512GB SSD, 1TB hard drive, 1TB Fusion Drive, 1TB SSD |
Key differences
What actually separates these two models.
- Display: 21.5-inch 1080p versus 21.5-inch 4K Retina.
- Memory (RAM): only the iMac 21.5-inch Retina 4K (2017) came with 32GB.
- Storage: only the iMac 21.5-inch Retina 4K (2017) came with 512GB SSD, 1TB SSD.
- Versions: the iMac 21.5-inch (2017, non-Retina) was sold in 2 versions, the iMac 21.5-inch Retina 4K (2017) in 3.
Which is worth more when you sell?
With the same configuration and condition, the iMac 21.5-inch Retina 4K (2017) usually gets the higher offer.
Memory, storage, condition, battery health and accessories all change the final number, so get an exact estimate for yours.
Value my iMac 21.5-inch (2017, non-Retina) Value my iMac 21.5-inch Retina 4K (2017)
What changes the offer for either model
Configuration. More memory and storage raise the offer, and only the configurations Apple sold can be chosen in the quote.
Condition. Offers are graded from Like New to Damaged. Cracked glass and dents have the largest effect.
Function. Faults that need repair are deducted.
Eligibility. Both must be signed out of their Apple Account with Find My and Activation Lock off, and free of any lock or lost/stolen report.
Not sure? About This Mac shows the chip, memory and storage.
Comparison questions
Is the iMac 21.5-inch Retina 4K (2017) worth more than the iMac 21.5-inch (2017, non-Retina)?
With the same configuration and condition, the iMac 21.5-inch Retina 4K (2017) usually gets the higher offer. Exact offers depend on memory, storage, condition and accessories, so use the quote tool for each.
How do I tell the iMac 21.5-inch (2017, non-Retina) and iMac 21.5-inch Retina 4K (2017) apart?
Check the model identifier (iMac18,1 vs iMac18,2), model number (A1418 vs A1418), display (21.5-inch 1080p vs 21.5-inch 4K Retina). Apple menu > About This Mac shows the model, year and chip.