Dell G7 (17 7790) vs. Lenovo IdeaPad S145-15IWL (81MV)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Dell G7 (17 7790) and Lenovo IdeaPad S145-15IWL (81MV). 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.

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 IdeaPad S145-15IWL (81MV) Review

Advantages and disadvantages of Lenovo IdeaPad S145-15IWL (81MV) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

lightweight design

decent processor performance

solid build quality

adequate connectivity options

average battery life

dim display

no backlit keyboard

limited graphics capabilities

Laptop Comparison and Tests

Difference between Dell G7 (17 7790) and Lenovo IdeaPad S145-15IWL (81MV)
73 % - Design
72 % - Display
85 % - Performance
86 % - Connectivity
65 % - Battery
72 % - Design
64 % - Display
65 % - Performance
65 % - Connectivity
65 % - Battery

Laptop Specifications Comparison

Dell G7 (17 7790) vs. Lenovo IdeaPad S145-15IWL (81MV) Comparison Chart
DESIGN AND DIMENSIONS Dell G7 (17 7790) Lenovo IdeaPad S145-15IWL (81MV)
Product Type Notebook Notebook
Dimensions (WxDxH) 40.4 cm x 29.58 cm x 2.5 cm 36.22 cm x 25.15 cm x 1.99 cm
Weight 3.3 kg 1.85 kg
Case Material - Polycarbonate ABS
Colour Abyss grey Platinum grey IMR
DISPLAY Dell G7 (17 7790) Lenovo IdeaPad S145-15IWL (81MV)
Screen Size (Type) 17.3" - IPS 15.6" - TN
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1366 x 768 (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 IdeaPad S145-15IWL (81MV)
CPU Intel Core i7 (9th Gen) 9750H / 2.6 GHz Intel Core i3 (8th Gen) 8145U / 2.1 GHz
Max Turbo Speed 4.5 GHz 3.9 GHz
Number of Cores 6-core Dual-Core
Cache L3 - 12 MB 4 MB
64-bit Computing Yes Yes
Features Intel Turbo Boost Technology 2.0 Integrated memory controller
MEMORY Dell G7 (17 7790) Lenovo IdeaPad S145-15IWL (81MV)
RAM 16 GB (2 x 8 GB) 4 GB (provided memory is soldered)
Max RAM Supported 32 GB 12 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 1
STORAGE Dell G7 (17 7790) Lenovo IdeaPad S145-15IWL (81MV)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe - NVM Express (NVMe) 128 GB SSD M.2 2280 SATA 6Gb/s
AUDIO & VIDEO Dell G7 (17 7790) Lenovo IdeaPad S145-15IWL (81MV)
Graphics Processor (GPU) NVIDIA GeForce RTX 2060 Intel UHD Graphics
Video Memory 6 GB GDDR6 SDRAM -
Camera Yes - 1280 x 720 Yes
Resolution 0.92 Megapixel 0.3 Megapixel
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 IdeaPad S145-15IWL (81MV)
Wireless 802.11a/b/g/n/ac Wave 2, Bluetooth 5.0 802.11a/b/g/n/ac, Bluetooth 4.2
Wireless Controller Killer Wireless-AC 1550 - M.2 Card M.2 Card
Network Interface Gigabit Ethernet -
Ethernet Controller Killer Ethernet E2500v2 -
Features - Single stream (1x1)
BATTERY Dell G7 (17 7790) Lenovo IdeaPad S145-15IWL (81MV)
Technology 4-cell Lithium Ion
Battery Capacity (Size) 60 Wh 30 Wh
Battery Life - Up to 5.5 hours
AC ADAPTER Dell G7 (17 7790) Lenovo IdeaPad S145-15IWL (81MV)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 180 Watt, 19.5 V, 9.23 A 45 Watt
INPUT Dell G7 (17 7790) Lenovo IdeaPad S145-15IWL (81MV)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes Yes
Keyboard Backlight Yes -
Features - Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Dell G7 (17 7790) Lenovo IdeaPad S145-15IWL (81MV)
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
USB 2.0
2 x USB 3.1 Gen 1
HDMI
Headphone/microphone combo jack
Memory Card Reader Yes (SD Card) 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Dell G7 (17 7790) Lenovo IdeaPad S145-15IWL (81MV)
Operating System (OS) Windows 10 Home Advanced 64-bit Edition Windows 10 Home in S mode - English
Software Included - Microsoft Office (30 days trial)
MISCELLANEOUS Dell G7 (17 7790) Lenovo IdeaPad S145-15IWL (81MV)
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 -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features - Administrator password, hard drive password, power-on password
Compliant Standards - RoHS, Energy-Related Products (ErP) Lot 3
Manufacturer Warranty - Limited warranty - 1 year - pick-up and return
Other projects: