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Dell G7 17 7790 vs. Lenovo Legion 5i 15”: Full specs comparison

We thoroughly analyzed technical specifications for Dell G7 17 7790 and Lenovo Legion 5i 15” models, including CPU, memory, storage, battery life, display quality, and other features.

Compare With Please enter device name or part of it Dell G7 17 7790 See at Amazon See at Dell	Compare With Please enter device name or part of it Lenovo Legion 5i 15” See at Amazon

Dell G7 17 7790 Pros

Reasons that Dell G7 17 7790 is better than Lenovo Legion 5i 15”.

Dell G7 17 7790 supports a larger memory capacity than the Lenovo Legion 5i 15”. It supports up to 64GB versus 32GB of system memory on the Lenovo Legion 5i 15”.

Max system memory size

Dell G7 17 7790

64 GB

Lenovo Legion 5i 15”

32 GB

Dell G7 17 7790 has a 17.3-inch screen size 10% larger than the 15.6-inch Lenovo Legion 5i 15”.

Display size

Dell G7 17 7790

17.3-inch

Lenovo Legion 5i 15”

15.6-inch

Lenovo Legion 5i 15” Pros

Reasons that Lenovo Legion 5i 15” is better than Dell G7 17 7790.

2020 vs. 2019

Intel Core i7-10875H inside Lenovo Legion 5i 15” has a 5% better multi-core CPU performance score than the Intel Core i9-9980HK inside Dell G7 17 7790.

Geekbench 5 multi-core score

Lenovo Legion 5i 15” - Intel Core i7-10875H

6,874

Dell G7 17 7790 - Intel Core i9-9980HK

6,504

Lenovo Legion 5i 15” - Intel Core i7-10750H

5,412

Dell G7 17 7790 - Intel Core i7-9750H

4,880

Dell G7 17 7790 - Intel Core i9-8950HK

4,806

Dell G7 17 7790 - Intel Core i7-8750H

4,470

Lenovo Legion 5i 15” - Intel Core i5-10300H

3,747

Dell G7 17 7790 - Intel Core i5-9300H

3,308

Dell G7 17 7790 - Intel Core i5-8300H

3,269

Lenovo Legion 5i 15” supports a faster memory speed than the Dell G7 17 7790. It supports up to 2933 MHz versus 2666MHz of system memory on the Dell G7 17 7790.

Memory type and speed

Lenovo Legion 5i 15” - DDR4

2,933 MHz

Dell G7 17 7790 - DDR4

2,666 MHz

Lenovo Legion 5i 15” weighed 5.07 pounds, 31% lighter than the 7.27 pounds Dell G7 17 7790.

Weight	Dell G7 17 7790	Lenovo Legion 5i 15”
Pound	7.27 lbs.	5.07 lbs.
Kilogram	3.30 kg	2.30 kg

Key Similars

Similar characteristics share between Dell G7 17 7790 and Lenovo Legion 5i 15”.

Both laptops come with available RAM slots that allow you to replace or upgrade when needed.

Memory	Dell G7 17 7790	Lenovo Legion 5i 15”
Slots	x2	x2
Type	DDR4	DDR4

Prices

Here are the latest price updates and offers for both devices.

Dell G7 17 7790 Price
	Dell 180W AC Adapter for Precision 7520, Alienware 15 R4, Alienware 17 R5, G7 15 (7588), G3 15 (3579) G3 17 (3779), G5 15 (5587), Inspiron 15 7000 Series (7577), Alienware M15, NDFTY, 450-AGCU, 45G4G By Dell $32.99	See at Amazon
	Dell 2023 XPS 17 9720 Laptop 17" Touchscreen UHD+ Display 14-Core 12th Intel Core i7-12700H NVIDIA RTX 3060 6GB GDDR6 64GB DDR5 4TB NVMe SSD Thunderbolt 4 WiFi 6E Backlit KB FP Reader Windows 11 Pro By Dell $4,009.00	See at Amazon
	Dell XPS 9730 Laptop, 17" FullHD Display, Intel Core İ7-13700H, 64 GB DDR5 RAM, 2 TB PCIe SSD, NVIDIA GeForce RTX 4060, Backlit Keyboard, Windows 11 Home, Platinum Silver By Dell $2,499.00	See at Amazon
Lenovo Legion 5i 15” Price
	Lenovo Legion 5i 15.6" Gaming Laptop Intel Core i7-10750H NVIDIA GeForce GTX 1660 Ti 16GB Ram 512GB SSD 1TB HDD W10H By Lenovo $1,299.00	See at Amazon
	Lenovo Legion Pro 5i Gaming Laptop (16" 2K 165Hz, Intel 13th Gen Core i7-13700HX, GeForce RTX 4060 8GB 140W, 64GB DDR5 RAM, 2TB SSD) 4-Zone RGB Backlit, Wi-Fi 6E, Win 11 Home, 2024, Onyx Grey By ist computers $1,649.99	See at Amazon
	Lenovo Legion 5 Gaming Laptop 15.6" WQHD IPS 165Hz 350nits 100% sRGB AMD Octa-Core Ryzen 7 7735HS 16GB RAM 1TB SSD GeForce RTX 4060 8GB USB-C Backlit Rapid Charge Win11 + HDMI Cable By Lenovo $1,098.99	See at Amazon

Availability	Dell G7 17 7790	Lenovo Legion 5i 15”
Released	2019	2020
Release Date	Announced at CES 2019. Available from January 29, 2019.	Announced in April 2020
Pricing	Starting at $1,380	Starting at $999.99

Exterior	Dell G7 17 7790	Lenovo Legion 5i 15”
Dimensions	15.91 x 11.65 x 0.98 - 0.91 in (404 x 295.80 x 25 - 23.22 mm)	14.3" x 10.2" x 0.93 - 1.03" / 363.06mm x 259.61mm x 23.57 – 26.1mm
Weight	7.27 lbs (3.30 kg)	Starting at 5.07 lbs (2.3 kg)
Colors	Abyss Grey	Phantom Black
Keyboard and Trackpad	Keyboard Standard full-size, spill-resistant keyboard with numeric keypad Backlit keyboard (optional) 4-zone RGB backlit (optional) Touchpad Size: 4.13 x 3.15 in (105 mm x 80 mm) Supports multi-touch gesture.	Keyboard Backlit full-size with the white backlit keyboard. 4-zone RGB (optional) Touchpad Precision Touchpad. Supports multi-touch gesture.

Display	Dell G7 17 7790	Lenovo Legion 5i 15”
Size	17.3 Inches	15.6 Inches
Info	17.3” FHD 300 nits 60Hz (1920 x 1080) 300 nits IPS Anti-Glare LED, Backlit Display (non-touch) with 60Hz refresh rate 17.3” FHD 300 nits 144Hz (1920 x 1080) 300 nits IPS Anti-Glare LED, Backlit Display (non-touch) with 144Hz refresh rate	15.6" FHD 60Hz 1920 x 1080, IPS, 60 Hz, <25 ms Response Time, 100% sRGB, 300 nits. 15.6" FHD 120Hz 1920 x 1080, IPS, 120 Hz, <25 ms Response Time, 45% NTSC, 250 nits. 15.6" FHD 144Hz 1920 x 1080, IPS, 144 Hz, <3 ms Response Time, 100% sRGB, 500 nits, Dolby Vision™ Enabled. 15.6" FHD 240Hz HDR 1920 x 1080, IPS, 240 Hz, <1 ms Response Time, 100% sRGB, 500 nits, VESA DisplayHDR 400 Certified, Dolby Vision™ Enabled.

Ports	Dell G7 17 7790	Lenovo Legion 5i 15”
Image Source: Dell 1 x USB Type-C Supports Thunderbolt 3 with DisplayPort For computers shipped with NVIDIA GeForce RTX 20 series.[/ti] Supports USB 3.1 Gen 2 with DisplayPort For computers shipped with NVIDIA GeForce GTX 1050 Ti.[/ti] 1 x Mini DisplayPort For computers shipped with NVIDIA GeForce RTX 20 series and GTX 1660 Ti.[/ti] 1 x USB 3.1 Gen 1 port with PowerShare 2 x USB 3.1 Gen 1 ports 1 x RJ45 network port 1 x HDMI 2.0 Port 1 x headset jack 1 x SD-card reader 1 x Wedge-shaped lock 1 x Power-adapter port	1 x USB 3.1 Gen 1 Type-C (with DisplayPort) 1 x USB 3.1 Gen 1 Type-A (always on) 3 x USB 3.1 Gen 1 Type-A 1 x HDMI™ 2.0 1 x RJ45 Ethernet 1 x Kensington MiniSaver Lock slot 1 x 3.5mm microphone/headphone combo 1 x Power input 1 x NOVO hole

Internal Specs	Dell G7 17 7790	Lenovo Legion 5i 15”
Processor	8th Gen Intel® Core™ i5-8300H 4 cores, 8 threads, 2.30 → 4.00 GHz, 8MB SmartCache, 45W 8th Gen Intel® Core™ i7-8750H 6 cores, 12 threads, 2.20 → 4.10 GHz, 9MB SmartCache, 45W 8th Gen Intel® Core™ i9-8950HK 6 cores, 12 threads, 2.90 → 4.80 GHz, 12MB SmartCache, 45W 9th Gen Intel® Core™ i5-9300H 4 cores, 8 threads, 2.40 → 4.10 GHz, 8MB SmartCache, 45W 9th Gen Intel® Core™ i7-9750H 6 cores, 12 threads, 2.60 → 4.50 GHz, 12MB SmartCache, 45W 9th Gen Intel® Core™ i9-9980HK 8 cores, 16 threads, 2.40 → 5.00 GHz, 16MB SmartCache, 45W	10th Gen Intel® Core™ i5-10300H 4 cores, 8 threads, 2.50 → 4.50 GHz, 8MB SmartCache, 45W 10th Gen Intel® Core™ i7-10750H 6 cores, 12 threads, 2.60 → 5.00 GHz, 12MB SmartCache, 45W 10th Gen Intel® Core™ i7-10875H 8 cores, 16 threads, 2.30 → 5.10 GHz, 16MB SmartCache, 45W
Integrated Graphics	8th Gen Intel® Core™ i5-8300H Intel® UHD Graphics 630 24 Execution Units, 350 → 1000 MHz 8th Gen Intel® Core™ i7-8750H Intel® UHD Graphics 630 24 Execution Units, 350 → 1100 MHz 8th Gen Intel® Core™ i9-8950HK Intel® UHD Graphics 630 24 Execution Units, 350 → 1200 MHz 9th Gen Intel® Core™ i5-9300H Intel® UHD Graphics 630 24 Execution Units, 350 → 1050 MHz 9th Gen Intel® Core™ i7-9750H Intel® UHD Graphics 630 24 Execution Units, 350 → 1150 MHz 9th Gen Intel® Core™ i9-9980HK Intel® UHD Graphics 630 24 Execution Units, 350 → 1250 MHz	10th Gen Intel® Core™ i5-10300H Intel® UHD Graphics 630 24 Execution Units, 350 → 1050 MHz 10th Gen Intel® Core™ i7-10750H Intel® UHD Graphics 630 24 Execution Units, 350 → 1150 MHz 10th Gen Intel® Core™ i7-10875H Intel® UHD Graphics 630 24 Execution Units, 350 → 1200 MHz
Memory	Memory Slots 2 x DDR4 SODIMM Memory Configurations Minimum Memory: 4GB Maximum Memory: 64GB Memory Speed: 2666MHz	Memory Slots 2 x DDR4 SODIMM Memory Configurations Minimum Memory: 8GB Maximum Memory: 32GB Memory Speed: 2933MHz
Discrete Graphics	NVIDIA® GeForce GTX® 1050 Ti (4GB GDDR5) NVIDIA® GeForce GTX® 1660 Ti (6GB GDDR6) NVIDIA® GeForce RTX™ 2060 (6GB GDDR6) OC Ready NVIDIA® GeForce RTX™ 2070 (8GB GDDR6) with Max-Q Design NVIDIA® GeForce RTX™ 2080 (8GB GDDR6) with Max-Q Design	NVIDIA® GeForce® GTX 1650 (4GB GDDR5) NVIDIA® GeForce® GTX 1650 Ti (4GB GDDR6) NVIDIA® GeForce® GTX 1660 Ti (6GB GDDR6) NVIDIA® GeForce RTX™ 2060 (6GB GDDR6)
Storage	Hard Drive Slots 1 x M.2 2230/2280 PCIe SSD slot 1 x 2.5 inches hard drive slot Hard Drive Configurations Up to 2TB M.2 NVMe PCIe SSD Up to 2TB SATA Hard Drive	Storage Slots 1 x M.2 2230/2280 PCIe SSD slot 1 x 2.5 inches hard drive slot Storage Configurations 128 GB/256 GB/512 GB/1 TB PCIe NVMe SSD 1 TB/2 TB HDD

Connectivity	Dell G7 17 7790	Lenovo Legion 5i 15”
Wi-Fi	Rivet Killer 1550 2x2 ac Up to 1,730 Mbps, WiFi 802.11a/b/g/n/ac Intel Wireless-AC 9560 2x2 802.11ac 160MHz Up to 1,730 Mbps, WiFi 802.11a/b/g/n/ac Qualcomm QCA61x4A (DW1820) Up to 867 Mbps, WiFi 802.11a/b/g/n/ac	WiFi 6 802.11AX (2 x 2) Up to 2400 Mbps, WiFi 802.11 b/g/a/n/ac/ax.
Bluetooth	Bluetooth 5 Rivet Killer 1550 2x2 ac Intel Wireless-AC 9560 2x2 802.11ac 160MHz Bluetooth 4.2 Qualcomm QCA61x4A (DW1820)	Bluetooth 5.0
Ethernet	Realtek GB LAN Available on GTX 1050 Ti Speed: 10/100/1000 Mbps Killer GB E2500V2 Available on RTX 20 series Speed: 10/100/1000 Mbps	Gigabit LAN Speed: 10/100/1000 Mbps.

Battery	Dell G7 17 7790	Lenovo Legion 5i 15”
Size	60 Wh (4-cell lithium-ion) 90 Wh (6-cell lithium-ion)	60 Wh (4 Cell polymer) 80 Wh (4 Cell polymer)
Battery Life	-	Up to 7.7 hours 80Wh models Up to 6.8 hours 60Wh models
Power Supply	130 W power adapter Power rated at 19.5VDC/6.70A. 180 W power adapter Power rated at 19.5VDC/9.23A.	170W AC power adapter Lenovo proprietary charging port. 230W AC power adapter Lenovo proprietary charging port.

Software	Dell G7 17 7790	Lenovo Legion 5i 15”
OS	Windows 10 Home Windows 10 Pro Upgradable to Windows 11	Windows 10 Home 64-bit Windows 10 Pro 64-bit
Built-in Apps	Alienware Command Center Dell Digital Delivery Dell Mobile Connect Dell Recovery Environment DropBox Microsoft® Office 2016 trial McAfee LiveSafe (30 Day)	Lenovo Vantage Lenovo PC Manager McAfee LiveSafe™ Lenovo Antivirus Microsoft Office Trial5 Power2Go

Camera & Audio	Dell G7 17 7790	Lenovo Legion 5i 15”
Camera	Front-facing camera Top-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.	Front-facing camera Top-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.
Audio	Realtek ALC3254 with Nahimic 3D Audio for Gamers Two speakers Dual-array microphones	2 x 2W Harman Kardon® Speaker System with Chamber Dolby Atmos® Headphone Support Dual-array microphones

Misc	Dell G7 17 7790	Lenovo Legion 5i 15”
Sensors	Windows Hello compliant fingerprint reader in the power button (optional)	-
Security	Chassis wedge-shaped security lock Windows Hello compliant fingerprint reader in the power button (optional)	Chassis Kensington® Wedge security lock
In the box	-	Legion 5i 15" AC Adapter Internal Battery Quick start guide
Warranty	1 Year Ltd Hardware Warranty Mail-in Customer supplies box Dell pays shipping.	1 Year Depot or Carry-in

Key Features	Dell G7 17 7790	Lenovo Legion 5i 15”
At Glance	Released in Early 2019 16:9 FHD 17.3” 1080p 144Hz Weight 7.27 lb 3.30 kg Up to Intel Core i9-9980HK 8C/16T, 2.40 → 5.00 GHz Geekbench 5 1,114 Single Core Geekbench 5 6,504 Multi-Core With integrated Intel® UHD Graphics 630 24 Execution Units, 350 → 1250 MHz Upgradable up to 64GB 2666 MHz DDR4 Nvidia GeForce RTX 2080 8GB GDDR6 with Max-Q	Released in 2020 16:9 FHD 15.6” HDR 240Hz Weight 5.07 lb 2.30 kg Up to Intel Core i7-10875H 8C/16T, 2.30 → 5.10 GHz Geekbench 5 1,192 Single Core Geekbench 5 6,874 Multi-Core With integrated Intel® UHD Graphics 630 24 Execution Units, 350 → 1200 MHz Upgradable up to 32GB 2933 MHz DDR4 NVIDIA GeForce RTX 3060 6GB GDDR6