Lenovo ThinkBook 16 G4+ IAP (21CY) vs. Lenovo V155-15API (81V5)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkBook 16 G4+ IAP (21CY) and Lenovo V155-15API (81V5). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.

Lenovo ThinkBook 16 G4+ IAP (21CY) Review

Advantages and disadvantages of Lenovo ThinkBook 16 G4+ IAP (21CY) based on its technical characteristics, features, user experience, expert reviews and price level.

high-resolution display

robust aluminum chassis

efficient thermal management

powerful processor performance

ample connectivity options

heavier than competitors

average battery life

premium price point

limited color options

Lenovo V155-15API (81V5) Review

Advantages and disadvantages of Lenovo V155-15API (81V5) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

decent processor performance

ample storage capacity

full hd display

numerical keypad included

average battery life

heavier design

no backlit keyboard

limited port selection

Laptop Comparison and Tests

Difference between Lenovo ThinkBook 16 G4+ IAP (21CY) and Lenovo V155-15API (81V5)
85 % - Design
85 % - Display
85 % - Performance
86 % - Connectivity
85 % - Battery
69 % - Design
64 % - Display
65 % - Performance
72 % - Connectivity
65 % - Battery

Laptop Specifications Comparison

Lenovo ThinkBook 16 G4+ IAP (21CY) vs. Lenovo V155-15API (81V5) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkBook 16 G4+ IAP (21CY) Lenovo V155-15API (81V5)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.6 cm x 25.1 cm x 1.69 cm 36.3 cm x 25.4 cm x 2.29 cm
Weight 1.8 kg 2.2 kg
Case Material Aluminum Polycarbonate ABS
Colour Dual tone arctic grey Iron grey
DISPLAY Lenovo ThinkBook 16 G4+ IAP (21CY) Lenovo V155-15API (81V5)
Screen Size (Type) 16" - IPS 15.6" - TN
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1200 (WUXGA) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. 60 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:9
Image Brightness 300 cd/m² 220 cd/m²
Colour Gamut 45% NTSC -
Features Anti-glare, 170° viewing angle, DC dimmer Anti-glare
PROCESSOR Lenovo ThinkBook 16 G4+ IAP (21CY) Lenovo V155-15API (81V5)
CPU Intel Core i5 (12th Gen) 1235U / 1.3 GHz AMD Ryzen 5 3500U / 2.1 GHz
Max Turbo Speed 4.4 GHz 3.7 GHz
Number of Cores 10-core Quad-Core
Cache 12 MB L3 - 4 MB
64-bit Computing - Yes
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkBook 16 G4+ IAP (21CY) Lenovo V155-15API (81V5)
RAM 16 GB (provided memory is soldered) 8 GB (1 x 4 GB + 4 GB (soldered))
Max RAM Supported - 16 GB
RAM Type LPDDR5 SDRAM DDR4 SDRAM
Speed 4800 MHz 2400 MHz
Rated Speed 4800 MHz 2400 MHz
Form Factor - SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 0
STORAGE Lenovo ThinkBook 16 G4+ IAP (21CY) Lenovo V155-15API (81V5)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe - NVM Express (NVMe)
Optical Drive - DVD-Writer - tray
AUDIO & VIDEO Lenovo ThinkBook 16 G4+ IAP (21CY) Lenovo V155-15API (81V5)
Graphics Processor (GPU) Intel Iris Xe Graphics AMD Radeon Vega 8
Max Monitors Supported 3 external monitor(s) -
Camera Yes - 1080p Yes - 720p
Camera Features Privacy shutter, fixed focus Privacy shutter
Sound Stereo speakers, dual array microphone Stereo speakers, microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Atmos High Definition Audio, Dolby Audio
COMMUNICATIONS Lenovo ThinkBook 16 G4+ IAP (21CY) Lenovo V155-15API (81V5)
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 M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
Features Dual stream (2x2) -
BATTERY Lenovo ThinkBook 16 G4+ IAP (21CY) Lenovo V155-15API (81V5)
Technology Lithium polymer Lithium Ion
Battery Capacity (Size) 57 Wh 36 Wh
Battery Life - Up to 5 hours
AC ADAPTER Lenovo ThinkBook 16 G4+ IAP (21CY) Lenovo V155-15API (81V5)
Input AC 100-240 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkBook 16 G4+ IAP (21CY) Lenovo V155-15API (81V5)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes Yes
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad Multi-touch touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkBook 16 G4+ IAP (21CY) Lenovo V155-15API (81V5)
Slots 1 x M.2 (PCI Express 3.0 x4) (1 free) -
Interfaces USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI
USB 2.0
LAN
Headphone/microphone combo jack
2 x USB 3.1 Gen 1
LAN
HDMI
Headphone/microphone combo jack
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) -
SOFTWARE Lenovo ThinkBook 16 G4+ IAP (21CY) Lenovo V155-15API (81V5)
Operating System (OS) Windows 11 Pro - English Windows 10 Pro 64-bit Edition - Dutch / English / French / German / Italian
Software Included Microsoft Office (Trial) -
MISCELLANEOUS Lenovo ThinkBook 16 G4+ IAP (21CY) Lenovo V155-15API (81V5)
Included Accessories USB-C slim 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 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, self-healing BIOS Administrator password, hard drive password, power-on password, RapidCharge
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Software Solution) RoHS
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 Limited warranty - 1 year - pick-up and return
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