Side by side comparison and review of Lenovo ThinkBook 14 G4 ABA (21DK) and Lenovo V145-15AST (81MT). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of Lenovo ThinkBook 14 G4 ABA (21DK) based on its technical characteristics, features, user experience, expert reviews and price level.
robust aluminum design
efficient Ryzen processor
comfortable keyboard layout
affordable price point
solid state drive included
average battery life
no thunderbolt support
dim display brightness
limited graphics performance
Advantages and disadvantages of Lenovo V145-15AST (81MT) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent processor performance
ample storage capacity
simple design aesthetic
average display quality
limited graphics capability
no backlit keyboard
poor battery life
DESIGN AND DIMENSIONS | Lenovo ThinkBook 14 G4 ABA (21DK) | Lenovo V145-15AST (81MT) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 32.3 cm x 21.8 cm x 1.79 cm | 37.56 cm x 25.34 cm x 2.27 cm |
Weight | 1.4 kg | 2.1 kg |
Case Material | Aluminum | Polycarbonate ABS |
Colour | Dual tone mineral grey | Black |
DISPLAY | Lenovo ThinkBook 14 G4 ABA (21DK) | Lenovo V145-15AST (81MT) |
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Screen Size (Type) | 14" - IPS | 15.6" |
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LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 1920 x 1080 (Full HD) | 1366 x 768 (HD) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 300 cd/m² | 200 cd/m² |
Colour Gamut | 45% NTSC | - |
Features | Anti-glare, 170° viewing angle | Anti-glare |
PROCESSOR | Lenovo ThinkBook 14 G4 ABA (21DK) | Lenovo V145-15AST (81MT) |
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CPU | AMD Ryzen 5 5625U / 2.3 GHz | AMD A4 9125 / 2.3 GHz |
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Max Turbo Speed | 4.3 GHz | 2.6 GHz |
Number of Cores | 6-core | Dual-Core |
Cache | L3 - 16 MB | L2 - 1 MB |
64-bit Computing | - | Yes |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkBook 14 G4 ABA (21DK) | Lenovo V145-15AST (81MT) |
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RAM | 8 GB (provided memory is soldered) | 4 GB (1 x 4 GB) |
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Max RAM Supported | 40 GB | 8 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 3200 MHz | 1866 MHz |
Rated Speed | 3200 MHz | 2666 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 1 | 1 |
Empty Slots | 1 | 0 |
STORAGE | Lenovo ThinkBook 14 G4 ABA (21DK) | Lenovo V145-15AST (81MT) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) | 256 GB SSD 2.5" SATA 6Gb/s - Samsung |
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Optical Drive | - | DVD-Writer - tray |
AUDIO & VIDEO | Lenovo ThinkBook 14 G4 ABA (21DK) | Lenovo V145-15AST (81MT) |
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Graphics Processor (GPU) | AMD Radeon Graphics | AMD Radeon R3 |
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Max Monitors Supported | 3 external monitor(s) | - |
Camera | Yes - 1080p | Yes |
Resolution | - | 0.3 Megapixel |
Camera Features | Privacy shutter, fixed focus | - |
Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
Codec | Realtek ALC3287 | - |
Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Audio |
COMMUNICATIONS | Lenovo ThinkBook 14 G4 ABA (21DK) | Lenovo V145-15AST (81MT) |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
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Wireless Controller | M.2 Card | Realtek RTL8821CE - M.2 Card |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Features | Wake-on-LAN (WOL), dual stream (2x2) | - |
BATTERY | Lenovo ThinkBook 14 G4 ABA (21DK) | Lenovo V145-15AST (81MT) |
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Technology | Lithium polymer | 2-cell Lithium Ion |
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Battery Capacity (Size) | 45 Wh | 30 Wh |
Battery Life | Up to 8 hours | Up to 5 hours |
Battery Run Time | Local video (1080p) playback time (150 nits): up to 8 hours | - |
AC ADAPTER | Lenovo ThinkBook 14 G4 ABA (21DK) | Lenovo V145-15AST (81MT) |
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Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 65 Watt | 45 Watt, 20 V, 2.25 A |
INPUT | Lenovo ThinkBook 14 G4 ABA (21DK) | Lenovo V145-15AST (81MT) |
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Type | Keyboard, touchpad | Keyboard, touchpad |
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Numeric Keypad | - | Yes |
Keyboard Backlight | Yes | - |
Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad | Multi-touch touchpad |
CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 14 G4 ABA (21DK) | Lenovo V145-15AST (81MT) |
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Slots | 1 x M.2 (PCI Express 3.0 x4) (0 free) 1 x M.2 (PCI Express 3.0 x4) (1 free) |
- |
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Interfaces | 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 HDMI LAN Headphone/microphone combo jack |
2 x USB 3.0 LAN HDMI Headphone/microphone combo jack |
Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
SOFTWARE | Lenovo ThinkBook 14 G4 ABA (21DK) | Lenovo V145-15AST (81MT) |
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Operating System (OS) | Windows 11 Pro - English | FreeDOS - Dutch / English / French / German / Italian |
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Software Included | Microsoft Office (Trial) | - |
MISCELLANEOUS | Lenovo ThinkBook 14 G4 ABA (21DK) | Lenovo V145-15AST (81MT) |
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Included Accessories | USB-C power adapter | Power adapter |
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Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
Security Slot Type | Kensington nano security slot | Kensington mini 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, MIL-STD-810H tested, Rapid Charge Pro | Administrator password, hard drive password, power-on password |
Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 6, TUV Rheinland Low Blue Light (Software Solution) | RoHS |
ENERGY STAR Certified | 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 | - |