Dell G7 (17 7790) vs. Lenovo V155-15API (81V5)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Dell G7 (17 7790) 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.

Dell G7 (17 7790) Review

Advantages and disadvantages of Dell G7 (17 7790) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful gaming performance

high-quality build

efficient cooling system

good audio quality

attractive design

heavy and bulky

short battery life

expensive base model

limited port selection

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 Dell G7 (17 7790) and Lenovo V155-15API (81V5)
73 % - Design
72 % - Display
85 % - Performance
86 % - Connectivity
65 % - Battery
69 % - Design
64 % - Display
65 % - Performance
72 % - Connectivity
65 % - Battery

Laptop Specifications Comparison

Dell G7 (17 7790) vs. Lenovo V155-15API (81V5) Comparison Chart
DESIGN AND DIMENSIONS Dell G7 (17 7790) Lenovo V155-15API (81V5)
Product Type Notebook Notebook
Dimensions (WxDxH) 40.4 cm x 29.58 cm x 2.5 cm 36.3 cm x 25.4 cm x 2.29 cm
Weight 3.3 kg 2.2 kg
Case Material - Polycarbonate ABS
Colour Abyss grey Iron grey
DISPLAY Dell G7 (17 7790) Lenovo V155-15API (81V5)
Screen Size (Type) 17.3" - IPS 15.6" - TN
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. 144 Hz -
Widescreen Yes Yes
Image Aspect Ratio - 16:9
Image Brightness 300 cd/m² 220 cd/m²
Features Anti-glare, Wide Viewing Angle, Low Blue Light technology Anti-glare
PROCESSOR Dell G7 (17 7790) Lenovo V155-15API (81V5)
CPU Intel Core i7 (9th Gen) 9750H / 2.6 GHz AMD Ryzen 5 3500U / 2.1 GHz
Max Turbo Speed 4.5 GHz 3.7 GHz
Number of Cores 6-core Quad-Core
Cache L3 - 12 MB L3 - 4 MB
64-bit Computing Yes Yes
Features Intel Turbo Boost Technology 2.0 Integrated memory controller
MEMORY Dell G7 (17 7790) Lenovo V155-15API (81V5)
RAM 16 GB (2 x 8 GB) 8 GB (1 x 4 GB + 4 GB (soldered))
Max RAM Supported 32 GB 16 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2666 MHz 2400 MHz
Rated Speed 2666 MHz 2400 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 1
Empty Slots 0 0
STORAGE Dell G7 (17 7790) Lenovo V155-15API (81V5)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe - NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe - NVM Express (NVMe)
Optical Drive - DVD-Writer - tray
AUDIO & VIDEO Dell G7 (17 7790) Lenovo V155-15API (81V5)
Graphics Processor (GPU) NVIDIA GeForce RTX 2060 AMD Radeon Vega 8
Video Memory 6 GB GDDR6 SDRAM -
Camera Yes - 1280 x 720 Yes - 720p
Resolution 0.92 Megapixel -
Camera Features - Privacy shutter
Image Sensor Type CMOS -
Video Resolutions 1280 x 720 -
Frame Rate 30 frames per second -
Sound Stereo speakers, array microphone Stereo speakers, microphone
Compliant Standards - High Definition Audio, Dolby Audio
COMMUNICATIONS Dell G7 (17 7790) Lenovo V155-15API (81V5)
Wireless 802.11a/b/g/n/ac Wave 2, Bluetooth 5.0 802.11a/b/g/n/ac, Bluetooth 4.1
Wireless Controller Killer Wireless-AC 1550 - M.2 Card M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Killer Ethernet E2500v2 -
BATTERY Dell G7 (17 7790) Lenovo V155-15API (81V5)
Technology 4-cell Lithium Ion
Battery Capacity (Size) 60 Wh 36 Wh
Battery Life - Up to 5 hours
AC ADAPTER Dell G7 (17 7790) Lenovo V155-15API (81V5)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 180 Watt, 19.5 V, 9.23 A 65 Watt
INPUT Dell G7 (17 7790) Lenovo V155-15API (81V5)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes Yes
Keyboard Backlight Yes -
Features - Multi-touch touchpad
CONNECTIONS & EXPANSIONS Dell G7 (17 7790) Lenovo V155-15API (81V5)
Interfaces USB 3.1 Gen 1 (PowerShare)
2 x USB 3.1 Gen 1
LAN
HDMI
Headphone/microphone combo jack
USB-C 3.1 Gen 2 (supports Thunderbolt 3)
Mini DisplayPort
2 x USB 3.1 Gen 1
LAN
HDMI
Headphone/microphone combo jack
Memory Card Reader Yes (SD Card) -
SOFTWARE Dell G7 (17 7790) Lenovo V155-15API (81V5)
Operating System (OS) Windows 10 Home Advanced 64-bit Edition Windows 10 Pro 64-bit Edition - Dutch / English / French / German / Italian
MISCELLANEOUS Dell G7 (17 7790) Lenovo V155-15API (81V5)
Included Accessories Power adapter Power adapter
Security Fingerprint reader Firmware Trusted Platform Module (TPM 2.0) Security Chip
Security Slot Type Noble Wedge 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, RapidCharge
Compliant Standards - RoHS
ENERGY STAR Certified - Yes
Manufacturer Warranty - Limited warranty - 1 year - pick-up and return
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