Lenovo ThinkBook 14 G4 ABA (21DK) vs. Lenovo V145-15AST (81MT)

Laptop Comparison, Reviews and Tests

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.

Lenovo ThinkBook 14 G4 ABA (21DK) Review

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

Lenovo V145-15AST (81MT) Review

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

Laptop Comparison and Tests

Difference between Lenovo ThinkBook 14 G4 ABA (21DK) and Lenovo V145-15AST (81MT)
82 % - Design
72 % - Display
82 % - Performance
85 % - Connectivity
76 % - Battery
66 % - Design
65 % - Display
45 % - Performance
65 % - Connectivity
65 % - Battery

Laptop Specifications Comparison

Lenovo ThinkBook 14 G4 ABA (21DK) vs. Lenovo V145-15AST (81MT) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkBook 14 G4 ABA (21DK) Lenovo V145-15AST (81MT)
Product Type Notebook Notebook
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)
Screen Size (Type) 14" - IPS 15.6"
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)
CPU AMD Ryzen 5 5625U / 2.3 GHz AMD A4 9125 / 2.3 GHz
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)
RAM 8 GB (provided memory is soldered) 4 GB (1 x 4 GB)
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)
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
Optical Drive - DVD-Writer - tray
AUDIO & VIDEO Lenovo ThinkBook 14 G4 ABA (21DK) Lenovo V145-15AST (81MT)
Graphics Processor (GPU) AMD Radeon Graphics AMD Radeon R3
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)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 802.11a/b/g/n/ac, Bluetooth 4.1
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)
Technology Lithium polymer 2-cell Lithium Ion
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)
Input AC 100-240 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt 45 Watt, 20 V, 2.25 A
INPUT Lenovo ThinkBook 14 G4 ABA (21DK) Lenovo V145-15AST (81MT)
Type Keyboard, touchpad Keyboard, touchpad
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)
Slots 1 x M.2 (PCI Express 3.0 x4) (0 free)
1 x M.2 (PCI Express 3.0 x4) (1 free)
-
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)
Operating System (OS) Windows 11 Pro - English FreeDOS - Dutch / English / French / German / Italian
Software Included Microsoft Office (Trial) -
MISCELLANEOUS Lenovo ThinkBook 14 G4 ABA (21DK) Lenovo V145-15AST (81MT)
Included Accessories USB-C power adapter Power adapter
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 -
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