Detailed comparison and review of Dell G7 (17 7790) and Lenovo IdeaPad S145-15IGM (81MX). 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.
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
Advantages and disadvantages of Lenovo IdeaPad S145-15IGM (81MX) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
solid build quality
decent processor performance
sufficient connectivity options
average display quality
limited storage capacity
no backlit keyboard
mediocre battery life
| DESIGN AND DIMENSIONS | Dell G7 (17 7790) | Lenovo IdeaPad S145-15IGM (81MX) |
|---|
| 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 | Granite black IMR |
| DISPLAY | Dell G7 (17 7790) | Lenovo IdeaPad S145-15IGM (81MX) |
|---|
| 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 S145-15IGM (81MX) |
|---|
| CPU | Intel Core i7 (9th Gen) 9750H / 2.6 GHz | Intel Pentium Silver N5000 / 1.1 GHz |
|---|---|---|
| Max Turbo Speed | 4.5 GHz | 2.7 GHz |
| Number of Cores | 6-core | Quad-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 S145-15IGM (81MX) |
|---|
| RAM | 16 GB (2 x 8 GB) | 4 GB (1 x 4 GB) |
|---|---|---|
| Max RAM Supported | 32 GB | 8 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 IdeaPad S145-15IGM (81MX) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe - NVM Express (NVMe) | 1 TB HDD SATA 6Gb/s / 5400 rpm |
|---|
| AUDIO & VIDEO | Dell G7 (17 7790) | Lenovo IdeaPad S145-15IGM (81MX) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 2060 | Intel UHD Graphics 605 |
|---|---|---|
| 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 S145-15IGM (81MX) |
|---|
| 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 S145-15IGM (81MX) |
|---|
| 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 S145-15IGM (81MX) |
|---|
| 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 S145-15IGM (81MX) |
|---|
| 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 S145-15IGM (81MX) |
|---|
| 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 S145-15IGM (81MX) |
|---|
| 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 S145-15IGM (81MX) |
|---|
| 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 |
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