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Lenovo Legion 5i 17” vs. Lenovo Legion Slim 7i (15”, Intel, 2020): Full specs comparison

We thoroughly analyzed technical specifications for Lenovo Legion 5i 17” and Lenovo Legion Slim 7i (15”, Intel, 2020) models, including CPU, memory, storage, battery life, display quality, and other features.

Compare With Please enter device name or part of it Lenovo Legion 5i 17” See at Amazon	Compare With Please enter device name or part of it Lenovo Legion Slim 7i (15”, Intel, 2020) See at Amazon

Lenovo Legion 5i 17” Pros

Reasons that Lenovo Legion 5i 17” is better than Lenovo Legion Slim 7i (15”, Intel, 2020).

Lenovo Legion 5i 17” has a 17.3-inch screen size 10% larger than the 15.6-inch Lenovo Legion Slim 7i (15”, Intel, 2020).

Display size

Lenovo Legion 5i 17”

17.3-inch

Lenovo Legion Slim 7i (15”, Intel, 2020)

15.6-inch

Lenovo Legion Slim 7i (15”, Intel, 2020) Pros

Reasons that Lenovo Legion Slim 7i (15”, Intel, 2020) is better than Lenovo Legion 5i 17”.

Lenovo Legion Slim 7i (15”, Intel, 2020) supports a faster memory speed than the Lenovo Legion 5i 17”. It supports up to 3200MHz versus 2933 MHz of system memory on the Lenovo Legion 5i 17”.

Memory type and speed

Lenovo Legion Slim 7i (15”, Intel, 2020) - DDR4

3,200 MHz

Lenovo Legion 5i 17” - DDR4

2,933 MHz

Lenovo Legion Slim 7i (15”, Intel, 2020) weighed 4.1 pounds, 26% lighter than the 5.5 pounds Lenovo Legion 5i 17”.

Weight	Lenovo Legion 5i 17”	Lenovo Legion Slim 7i (15”, Intel, 2020)
Pound	5.5 lbs.	4.1 lbs.
Kilogram	2.49 kg	1.86 kg

Key Similars

Similar characteristics share between Lenovo Legion 5i 17” and Lenovo Legion Slim 7i (15”, Intel, 2020).

Both laptops has a similar multi-core CPU performance score.

Geekbench 5 multi-core score

Lenovo Legion Slim 7i (15”, Intel, 2020) - Intel Core i9-10980HK

7,013

Lenovo Legion 5i 17” - Intel Core i7-10875H

6,874

Lenovo Legion Slim 7i (15”, Intel, 2020) - Intel Core i7-10875H

6,874

Lenovo Legion Slim 7i (15”, Intel, 2020) - Intel Core i7-10870H

6,596

Lenovo Legion 5i 17” - Intel Core i7-10750H

5,412

Lenovo Legion Slim 7i (15”, Intel, 2020) - Intel Core i7-10750H

5,412

Lenovo Legion 5i 17” - Intel Core i5-10300H

3,747

Lenovo Legion Slim 7i (15”, Intel, 2020) - Intel Core i5-10300H

3,747

Both laptops supports up to 32GB of system memory.

Max system memory size

Lenovo Legion 5i 17”

32 GB

Lenovo Legion Slim 7i (15”, Intel, 2020)

32 GB

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

Memory	Lenovo Legion 5i 17”	Lenovo Legion Slim 7i (15”, Intel, 2020)
Slots	x2	x0,1
Type	DDR4	DDR4

Prices

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

Lenovo Legion 5i 17” Price
	Lenovo - Legion 5i - Gaming Laptop - Intel Core i7-11800H - 8GB DDR4 RAM - 1TB NVMe TLC SSD - NVIDIA GeForce RTX 3050 Ti Graphics - 17.3" FHD 144Hz - Windows 11 Home - Phantom Blue By Lenovo $1,342.99 $1,449.99 7% OFF	See at Amazon
	Lenovo 2023 Legion 5i 17.3''144Hz FHD IPS Gaming Laptop 8-Core Intel i7-11800H 32GB RAM 1TB NVMe SSD NVIDIA GeForce RTX3050Ti 4GB GDDR6 HDMI Thunderbolt4 WiFi AX RJ45 Win10 Pro w/RE USB Phantom Blue By Lenovo $2,019.99	See at Amazon
	Lenovo Legion Pro 5i 16" LCD Gaming Laptop WQXGA 240Hz Intel Core i9-13900HX 16GB RAM 1TB SSD NVIDIA GeForce RTX 4070 8GB Onyx Grey By Lenovo $1,599.99	See at Amazon
Lenovo Legion Slim 7i (15”, Intel, 2020) Price
	Lenovo Legion Slim 7i Gen 8 16" Gaming Laptop (2023 Model) - Intel Core i7-13700H 14C, NVIDIA GeForce RTX 4060, 16GB RAM, 1TB M.2 NVMe SSD, 16.0" IPS QHD+ 500 nits 240Hz, Windows 11 Home By Lenovo $1,699.95	See at Amazon
	Lenovo Legion Slim 7i Gen 8 16" Gaming Laptop (2023 Model) - Intel Core i9-13900H 14C, NVIDIA GeForce RTX 4070, 16GB RAM, 1TB M.2 NVMe SSD, 16.0" IPS QHD+ 500 nits 240Hz, Windows 11 Home By Lenovo $1,899.95	See at Amazon
	Lenovo Legion Pro 7i Gen 9 16" Gaming Laptop (2024 Model) Intel Core i9-14900HX 24C, NVIDIA GeForce RTX 4090 16GB, 32GB RAM, 2TB (1TB+1TB) NVMe SSD, 16.0" IPS QHD+ 500 nits 240Hz, Windows 11 Home By Lenovo $3,249.95	See at Amazon

Availability	Lenovo Legion 5i 17”	Lenovo Legion Slim 7i (15”, Intel, 2020)
Released	2020	2020
Release Date	Announced in April 2020	Announced on December 04, 2020
Pricing	Starting at $1,099.99	-

Exterior	Lenovo Legion 5i 17”	Lenovo Legion Slim 7i (15”, Intel, 2020)
Dimensions	15.84" x 11.41" x 1.05" / 398.6mm x 290mm x 24.3-26.6mm	14.01 x 9.84 x 0.6 - 0.7 inches (356 x 250 x 15.9 - 17.9 mm)
Weight	Starting at 5.5 lbs (2.5 kg)	Starting at 4.1 lbs (1.86 kg)
Colors	Phantom Black	Slate grey
Keyboard and Trackpad	Keyboard Backlit full-size with the white backlit keyboard. Touchpad Precision Touchpad. Supports multi-touch gesture.	Keyboard 6-row, spill-resistant, multimedia Fn keys, numeric keypad. Keyboard Backlight RGB LED backlight White LED backlight Touchpad Buttonless glass surface multi-touch touchpad supports Precision TouchPad (PTP).

Display	Lenovo Legion 5i 17”	Lenovo Legion Slim 7i (15”, Intel, 2020)
Size	17.3 Inches	15.6 Inches
Info	17.3" FHD 60Hz 1920 x 1080, IPS, 60 Hz, 72% NTSC, 300 nits. 17.3" FHD 144Hz 1920 x 1080, IPS, 144 Hz, 72% NTSC, 300 nits, Dolby Vision™ Enabled.	15.6" FHD 60Hz 1920 x 1080 IPS 60 Hz 100% sRGB Dolby Vision® Supported 300 nits 15.6" FHD 144Hz 1920 x 1080 IPS 144 Hz Up to 5 ms Response Time 100% sRGB Dolby Vision® Supported 300 nits 15.6" UHD 60Hz 3840 x 2160 IPS 60 Hz 100% Adobe RGB VESA DisplayHDR 400 Certified Dolby Vision® Supported 500 nits

Ports	Lenovo Legion 5i 17”	Lenovo Legion Slim 7i (15”, Intel, 2020)
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 SD Card Reader 1 x Kensington MiniSaver Lock slot 1 x 3.5mm microphone/headphone combo 1 x Power input 1 x NOVO hole	1 x Thunderbolt™ 3 Supports USB 3.2 Gen 2, DisplayPort™ 1.4, and Power Delivery 100W. 1 x USB-A 3.2 Gen 2 1 x USB-A 3.2 Gen 2 (Always On) 1 x 4-in-1 Full-size SD Card Reader 1 x Audio jack 1 x Power adapter

Internal Specs	Lenovo Legion 5i 17”	Lenovo Legion Slim 7i (15”, Intel, 2020)
Processor	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	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™ i7-10870H 8 cores, 16 threads, 2.20 → 5.00 GHz, 16MB SmartCache, 45W 10th Gen Intel® Core™ i7-10875H 8 cores, 16 threads, 2.30 → 5.10 GHz, 16MB SmartCache, 45W 10th Gen Intel® Core™ i9-10980HK 8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W
Integrated Graphics	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	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™ i7-10870H Intel® UHD Graphics 630 24 Execution Units, 350 → 1200 MHz 10th Gen Intel® Core™ i7-10875H Intel® UHD Graphics 630 24 Execution Units, 350 → 1200 MHz 10th Gen Intel® Core™ i9-10980HK Intel® UHD Graphics 630 24 Execution Units, 350 → 1250 MHz
Memory	Memory Slots 2 x DDR4 SODIMM Memory Configurations Minimum Memory: 8GB Maximum Memory: 32GB Memory Speed: 2933MHz	8GB 16GB 32GB 2933 MHz or 3200 MHz DDR4 Memory Memory Slots 1 x Onboard Memory 1 x SO-DIMM DDR4 Slot
Discrete Graphics	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)	NVIDIA® GeForce® GTX 1650 Ti 4GB GDDR6 NVIDIA® GeForce® GTX 1660 Ti Max-Q Design, 6GB GDDR6 NVIDIA® GeForce RTX™ 2060 Max-Q Design, 6GB GDDR6 Supports External eGPU Support
Storage	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	512 GB 1TB 2TB M.2 2280 SSD 2 x PCIe NVMe, PCIe 3.0 x4 slots

Connectivity	Lenovo Legion 5i 17”	Lenovo Legion Slim 7i (15”, Intel, 2020)
Wi-Fi	WiFi 6 802.11AX (2 x 2) Up to 2400 Mbps, WiFi 802.11 b/g/a/n/ac/ax.	Killer Wi-Fi 6 AX1650, 802.11ax 2x2 Wi-Fi + Bluetooth 5.1, M.2 Card
Bluetooth	Bluetooth 5.0	Bluetooth 5.1
Ethernet	Gigabit LAN Speed: 10/100/1000 Mbps.	-

Battery	Lenovo Legion 5i 17”	Lenovo Legion Slim 7i (15”, Intel, 2020)
Size	80 Wh (4 Cell polymer)	71 WHr (Integrated 3-Cell Li-Polymer battery) Supports Rapid Charge Boost (get 2 hours of runtime with a 15-minute charge)
Battery Life	Up to 7.7 hours	Up to 5.8 hours Tested with MobileMark® 2018
Power Supply	170W AC power adapter Lenovo proprietary charging port. 230W AC power adapter Lenovo proprietary charging port.	170W 230W Slim tip AC adapter.

Software	Lenovo Legion 5i 17”	Lenovo Legion Slim 7i (15”, Intel, 2020)
OS	Windows 10 Home 64-bit Windows 10 Pro 64-bit	Windows 10 Home 64 Windows 10 Pro 64 FreeDOS No operating system
Built-in Apps	Lenovo Vantage Lenovo PC Manager McAfee LiveSafe™ Lenovo Antivirus Microsoft Office Trial5 Power2Go	Lenovo Vantage Dolby Atmos® Speaker System Dolby Vision® McAfee® Antivirus

Camera & Audio	Lenovo Legion 5i 17”	Lenovo Legion Slim 7i (15”, Intel, 2020)
Camera	Front-facing camera Top-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.	Top-placed Built-in HD Webcam (720p) with Privacy Shutter
Audio	2 x 2W Harman Kardon® Speaker System with Chamber Dolby Atmos® Headphone Support Dual-array microphones	2 x 2W Dolby Atmos® Speaker System for Gaming Dual array microphone

Misc	Lenovo Legion 5i 17”	Lenovo Legion Slim 7i (15”, Intel, 2020)
Sensors	-	Fingerprint Reader Combined with Power Button
Security	Chassis Kensington® Wedge security lock	Fingerprint Reader Touch style fingerprint reader on the power button BIOS Security Power-on password Supervisor password Other Security Camera privacy shutter
In the box	Legion 5i 17" AC Adapter 80Wh Internal Battery Quick start guide	Lenovo Legion Slim 7i 15” AC adapter Internal Battery Quick Start Guide
Warranty	One Year Legion Ultimate Support	1-year depot service

Key Features	Lenovo Legion 5i 17”	Lenovo Legion Slim 7i (15”, Intel, 2020)
At Glance	Released in Early 2020 16:9 FHD 17.3” 1080p 144Hz Weight 5.5 lb 2.49 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 2060 6GB GDDR6	Released in 2020 16:9 4K UHD 15.6” 2160p 60Hz Weight 4.1 lb 1.86 kg Up to Intel Core i9-10980HK 8C/16T, 2.40 → 5.30 GHz Geekbench 5 1,223 Single Core Geekbench 5 7,013 Multi-Core With integrated Intel® UHD Graphics 630 24 Execution Units, 350 → 1250 MHz Upgradable up to 32GB 3200 MHz DDR4 NVIDIA GeForce RTX 2060 6GB GDDR6 with Max-Q