Detailed comparison and review of Lenovo ThinkPad A285 (20MX) and Lenovo ThinkBook 15 G4 IAP (21DJ). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
Advantages and disadvantages of Lenovo ThinkPad A285 (20MX) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
compact and portable
strong security features
decent processor performance
average battery life
limited storage capacity
no thunderbolt support
dim display brightness
Advantages and disadvantages of Lenovo ThinkBook 15 G4 IAP (21DJ) based on its technical characteristics, features, user experience, expert reviews and price level.
robust aluminum design
efficient multitasking performance
comprehensive connectivity options
fast charging support
competitive pricing
average display quality
modest battery life
limited graphics performance
noisy under load
DESIGN AND DIMENSIONS | Lenovo ThinkPad A285 (20MX) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 30.77 cm x 20.98 cm x 1.74 cm | 35.7 cm x 23.5 cm x 1.89 cm |
Weight | 1.27 kg | 1.7 kg |
Case Material | Magnesium-aluminum alloy, polyphenylene sulfide | Aluminium (top), polycarbonate ABS (bottom) |
Colour | Black | Dual tone mineral grey |
DISPLAY | Lenovo ThinkPad A285 (20MX) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Screen Size (Type) | 12.5" - IPS | 15.6" - IPS |
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Touchscreen | Yes (10-point multi-touch) | - |
LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 300 cd/m² | 300 cd/m² |
Colour Gamut | - | 45% NTSC |
Features | Anti-glare | Anti-glare, 170° viewing angle |
PROCESSOR | Lenovo ThinkPad A285 (20MX) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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CPU | AMD Ryzen 5 Pro 2500U / 2 GHz | Intel Core i5 (12th Gen) 1235U / 1.3 GHz |
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Max Turbo Speed | 3.6 GHz | 4.4 GHz |
Number of Cores | Quad-Core | 10-core |
Cache | L2 - 4 MB | 12 MB |
64-bit Computing | Yes | - |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkPad A285 (20MX) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
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Max RAM Supported | - | 40 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 2400 MHz | 3200 MHz |
Rated Speed | 2400 MHz | 3200 MHz |
Form Factor | - | SO-DIMM 260-pin |
Slots Qty | - | 1 |
Empty Slots | - | 1 |
STORAGE | Lenovo ThinkPad A285 (20MX) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - TCG Opal Encryption, NVM Express (NVMe) - Samsung | 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo ThinkPad A285 (20MX) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Graphics Processor (GPU) | AMD Radeon Vega 8 | Intel Iris Xe Graphics |
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Max Monitors Supported | - | 3 external monitor(s) |
Camera | Yes - 720p | Yes - 1080p |
Camera Features | ThinkShutter camera privacy | Privacy shutter, fixed focus |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | Realtek ALC3287 | Realtek ALC3287 |
Compliant Standards | High Definition Audio, Dolby Audio Premium | High Definition Audio, Dolby Audio |
COMMUNICATIONS | Lenovo ThinkPad A285 (20MX) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
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Wireless Controller | Realtek RTL8822BE - M.2 Card | M.2 Card |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Ethernet Controller | - | Intel I219-V |
Features | Gigabit Ethernet via optional Ethernet (RJ-45) adapter | Wake-on-LAN (WOL), dual stream (2x2) |
BATTERY | Lenovo ThinkPad A285 (20MX) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Technology | 6-cell Lithium Ion | Lithium polymer |
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Battery Capacity (Size) | 48 Wh | 45 Wh |
Battery Life | Up to 10.55 hours | Up to 8 hours |
Battery Run Time | - | Local video (1080p) playback time (150 nits): up to 8 hours |
AC ADAPTER | Lenovo ThinkPad A285 (20MX) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 65 Watt, 20 V, 3.25 A | 65 Watt |
INPUT | Lenovo ThinkPad A285 (20MX) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
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Numeric Keypad | - | Yes |
Keyboard Backlight | Yes | Yes |
Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad A285 (20MX) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Interfaces | USB 3.1 Gen 2 USB 3.1 Gen 1 (Always On) 2 x USB-C 3.1 Gen 2 HDMI Lenovo Ethernet extension connector Headphone/microphone combo jack Dock LAN (on supplied cable) |
2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
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Memory Card Reader | Yes (microSD) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
SOFTWARE | Lenovo ThinkPad A285 (20MX) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 11 Pro - English |
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Software Included | - | Microsoft Office (Trial) |
MISCELLANEOUS | Lenovo ThinkPad A285 (20MX) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Dockable | Yes | - |
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Included Accessories | USB-C power adapter | USB-C slim wall mount power adapter |
Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
Security Slot Type | Kensington mini security slot | Kensington nano security slot |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
Features | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested | Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro |
Compliant Standards | RoHS | RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Software Solution) |
ENERGY STAR Certified | Yes | Yes |
EPEAT Compliant | - | EPEAT Gold |
Max Operating Temperature | - | 35 °C |
Min Operating Temperature | - | 5 °C |
Humidity Range Operating | - | 8 - 95% |
Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |