Compare iMac 27 2020 vs Lenovo IdeaCentre A540 24 vs Apple iMac 24 2021
Variants
i5
i7
7-core GPU
8-core GPU
Connectivity
Ports
1x Headphone + 1x SDXC UHS-II + 4x USB-A + 2x Thunderbolt 3 (USB-C) + 1x Gigabit Ethernet
2x USB 3.1 Gen2 + 1x USB 3.1 Gen1 + 2x USB 2.0 + 1x SD card reader + 1x RJ45 + 1x Audio combo + 1x HDMI in + 1x HDMI out
Wireless Connectivity
WiFi 5 + Bluetooth 5.0
WiFi 5 + Bluetooth 4.2
WiFi 6 + Bluetooth 5.0
Construction
Camera | Front
1080p
FHD Hybrid RGB IR Camera or HD Camera
1080p FaceTime HD camera with M1 image signal processor
Colors
Industry Black
Blue, Green, Pink, Silver, Yellow, Orange, Purple
Material
Configurable with nano-texture glass
Configurable with nano-texture glass
Speakers
2x 3W stereo speakers + 1x 5W woofer
6 speakers
Dimensions
Bezels
93% screen-to-body ratio
Size | Depth
20.3 cm
24.92 mm / 0.98 inch
20.3 cm
Size | Height
51.6 cm
435.19 mm / 17.13 inch
51.6 cm
Size | Width
65 cm
450.9 mm / 17.75 inch
65 cm
Weight
8.92 kg
Display
Brightness
500 nits
500 nits
Display Color Depth
1 billion colors, 10 bit
Display Diagonal
27"
23.8 inch
23.5 inch
Display Type
IPS
Gamut
True Tone technology
True Tone technology
Pixel Density
218 ppi
Resolution
Retina 5K: 5120 x 2880
FHD (1920x1080)
Retina 4.5K: 4480 x 2520
Function
Audio
Stereo speakers
Stereo speakers
Graphics
AMD Radeon RX 540X Graphics
7-core GPU or 8-core GPU
Operating Temperature
50 to 95 °F / 10 to 35 °C
Processor
Intel 10th-gen i5 (6-core) or i7 (8-core)
AMD Athlon 300GE, Ryzen 3 3200GE, or Ryzen 5 3400GE
8-core CPU with 4 performance cores and 4 efficiency cores
Touch Screen
Yes
Performance
Memory | Capacity
4x SO-DIMM; 8, 16, 32, 64, or 128 GB configurable
Up to 16 GB
8 or 16 GB
Memory | Type
DDR4 2666MHz
DDR4
Unified memory inside M1 chip
Power Supply
120 or 150 W
143W
Storage
SSD 256GB (base model only), 512GB, 1TB, 2TB configurable; i7 model also configurable to 4TB or 8TB
M.2 PCIe up to 1 TB + HDD up to 2 GB
Up to 2TB SSD
Production
Availability
2021-05
Debut
2020-08-04
2019 IFA
2021-04-20
Model Name
A540-24API
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