Lenovo Legion 5i 17” vs. Lenovo Legion 7i 15”: Full specs comparison

We have comprehensively analyzed the technical specifications for the Lenovo Legion 5i 17” and Lenovo Legion 7i 15” models. Our report includes intricate details such as the CPU, memory, storage, battery life, display quality, and other features.

Lenovo Legion 5i 17” Pros

Reasons that Lenovo Legion 5i 17” is better than Lenovo Legion 7i 15”.

10% larger display

Lenovo Legion 5i 17” has a 17.3-inch screen size 10% larger than the 15.6-inch Lenovo Legion 7i 15”.

Display size
Lenovo Legion 5i 17”
17.3-inch
Lenovo Legion 7i 15”
15.6-inch

Lenovo Legion 7i 15” Pros

Reasons that Lenovo Legion 7i 15” is better than Lenovo Legion 5i 17”.

Supports faster memory

Lenovo Legion 7i 15” 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 7i 15” - DDR4
3,200 MHz
Lenovo Legion 5i 17” - DDR4
2,933 MHz
About 17% lighter

Lenovo Legion 7i 15” weighed 4.6 pounds, 17% lighter than the 5.5 pounds Lenovo Legion 5i 17”.

WeightLenovo Legion 5i 17”Lenovo Legion 7i 15”
Pound
5.5 lbs.
4.6 lbs.
Kilogram
2.49 kg
2.09 kg

Key Similars

Similar characteristics share between Lenovo Legion 5i 17” and Lenovo Legion 7i 15”.

Similar CPU performance

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

Geekbench 5 multi-core score
Lenovo Legion 7i 15” - Intel Core i9-10980HK
7,013
Lenovo Legion 5i 17” - Intel Core i7-10875H
6,874
Lenovo Legion 7i 15” - Intel Core i7-10875H
6,874
Lenovo Legion 5i 17” - Intel Core i7-10750H
5,412
Lenovo Legion 7i 15” - Intel Core i7-10750H
5,412
Lenovo Legion 5i 17” - Intel Core i5-10300H
3,747
Lenovo Legion 7i 15” - Intel Core i5-10300H
3,747
Supports the same maximum memory size of up to 32GB

Both laptops supports up to 32GB of system memory.

Max system memory size
Lenovo Legion 5i 17”
32 GB
Lenovo Legion 7i 15”
32 GB
Upgradable memory

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

MemoryLenovo Legion 5i 17”Lenovo Legion 7i 15”
Slots
x2
x2
TypeDDR4DDR4

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
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
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
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
Lenovo Legion Pro 5i Gaming Laptop (16" 2K 165Hz, Intel 13th Gen Core i7-13700HX, GeForce RTX 4060 8GB 140W, 32GB DDR5 RAM, 1TB SSD) 4-Zone RGB Backlit, Wi-Fi 6E, Win 11 Home, 2024, Onyx Grey
Lenovo Legion Pro 5i Gaming Laptop (16" 2K 165Hz, Intel 13th Gen Core i7-13700HX, GeForce RTX 4060 8GB 140W, 32GB DDR5 RAM, 1TB SSD) 4-Zone RGB Backlit, Wi-Fi 6E, Win 11 Home, 2024, Onyx Grey
By ist computers
$1,449.99
Lenovo Legion 7i 15” Price
Lenovo Legion Pro 7i Gen 8 16" Gaming Laptop (2023 Model) - Intel Core i9-13900HX 24-Core, NVIDIA GeForce RTX 4080, 32GB RAM, 1TB M.2 NVMe Gen 4 SSD, 16.0" IPS QHD+ 500 nits 240Hz, Windows 11 Home
Lenovo Legion Pro 7i Gen 8 16" Gaming Laptop (2023 Model) - Intel Core i9-13900HX 24-Core, NVIDIA GeForce RTX 4080, 32GB RAM, 1TB M.2 NVMe Gen 4 SSD, 16.0" IPS QHD+ 500 nits 240Hz, Windows 11 Home
By Lenovo
$2,417.12
Lenovo Legion Pro 7i Gaming Laptop, 16" WQHD IPS 240Hz Display, Intel Core i9-13900HX, GeForce RTX 4080, 32GB DDR5 RAM, 2TB SSD, Webcam, Per-Key RGB Backlit KB, Wi-Fi 6E, Windows 11 Home
Lenovo Legion Pro 7i Gaming Laptop, 16" WQHD IPS 240Hz Display, Intel Core i9-13900HX, GeForce RTX 4080, 32GB DDR5 RAM, 2TB SSD, Webcam, Per-Key RGB Backlit KB, Wi-Fi 6E, Windows 11 Home
By Lenovo
$2,391.00
$2,549.99 6% OFF
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
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

Availability

Lenovo Legion 5i 17”Lenovo Legion 7i 15”
Released20202020
Release DateAnnounced in April 2020Announced in April 2020
PricingStarting at $1,099.99Starting at $1199.99

Exterior

Lenovo Legion 5i 17”Lenovo Legion 7i 15”
Dimensions15.84" x 11.41" x 1.05" / 398.6mm x 290mm x 24.3-26.6mm14.1" x 10" x 0.8"/ 360mm x 255mm x 20mm
WeightStarting at 5.5 lbs (2.5 kg)Starting at 4.6 lbs (2.1 kg)
ColorsPhantom BlackSlate Grey
Keyboard and Trackpad
  • Keyboard
    • Backlit full-size with the white backlit keyboard.
  • Touchpad
    • Precision Touchpad.
    • Supports multi-touch gesture.
  • Keyboard
    • Backlit full-size with the backlit keyboard.
    • Corsair® iCUE RGB support
  • Touchpad
    • Precision Touchpad.
    • Supports multi-touch gesture.

Display

Lenovo Legion 5i 17”Lenovo Legion 7i 15”
Size17.3 Inches15.6 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 144Hz
    1920 x 1080, IPS, 144 Hz, < 3ms response time, 100% sRGB, 300 nits.
  • 15.6" FHD 144Hz HDR
    1920 x 1080, IPS, 144 Hz, <3 ms Response Time, 100% Adobe RGB, 500 nits, VESA DisplayHDR 400-certified, 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

Lenovo Legion 5i 17”Lenovo Legion 7i 15”
  • 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 Type-C™ (Thunderbolt™, DisplayPort™, USB 3.1, HDMI™)
  • 1 x USB-C (DisplayPort™ 1.4, USB 3.1 Gen 1)
  • 2 x USB 3.1 Gen 2 Type-A
  • 1 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

Lenovo Legion 5i 17”Lenovo Legion 7i 15”
Processor
  1. 10th Gen Intel® Core™ i5-10300H
    4 cores, 8 threads, 2.50 → 4.50 GHz, 8MB SmartCache, 45W
  2. 10th Gen Intel® Core™ i7-10750H
    6 cores, 12 threads, 2.60 → 5.00 GHz, 12MB SmartCache, 45W
  3. 10th Gen Intel® Core™ i7-10875H
    8 cores, 16 threads, 2.30 → 5.10 GHz, 16MB SmartCache, 45W
  1. 10th Gen Intel® Core™ i5-10300H
    4 cores, 8 threads, 2.50 → 4.50 GHz, 8MB SmartCache, 45W
  2. 10th Gen Intel® Core™ i7-10750H
    6 cores, 12 threads, 2.60 → 5.00 GHz, 12MB SmartCache, 45W
  3. 10th Gen Intel® Core™ i7-10875H
    8 cores, 16 threads, 2.30 → 5.10 GHz, 16MB SmartCache, 45W
  4. 10th Gen Intel® Core™ i9-10980HK
    8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W
Integrated Graphics
  1. 10th Gen Intel® Core™ i5-10300H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1050 MHz
  2. 10th Gen Intel® Core™ i7-10750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  3. 10th Gen Intel® Core™ i7-10875H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  1. 10th Gen Intel® Core™ i5-10300H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1050 MHz
  2. 10th Gen Intel® Core™ i7-10750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  3. 10th Gen Intel® Core™ i7-10875H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  4. 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
  • Memory Slots
    • 2 x DDR4 SODIMM
  • Memory Configurations
    • Minimum Memory: 8GB
    • Maximum Memory: 32GB
    • Memory Speed: 2933MHz or 3200MHz
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 1660 Ti (6GB GDDR6)
  • NVIDIA® GeForce RTX™ 2060 (6GB GDDR6)
  • NVIDIA® GeForce RTX™ 2070 Max-Q (8GB GDDR6)
  • NVIDIA® GeForce RTX™ 2080 SUPER Max-Q (8GB GDDR6)
  • NVIDIA® GeForce RTX™ 2070 SUPER Max-Q (8GB GDDR6)
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
  • 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

Lenovo Legion 5i 17”Lenovo Legion 7i 15”
Wi-FiWiFi 6 802.11AX (2 x 2)
Up to 2400 Mbps, WiFi 802.11 b/g/a/n/ac/ax.
WiFi 6 802.11AX (2 x 2)
Up to 2400 Mbps, WiFi 802.11 b/g/a/n/ac/ax.
BluetoothBluetooth 5.0Bluetooth 5.0
EthernetGigabit LAN
Speed: 10/100/1000 Mbps.
Gigabit LAN
Speed: 10/100/1000 Mbps.

Battery

Lenovo Legion 5i 17”Lenovo Legion 7i 15”
Size80 Wh (4 Cell polymer)80 Wh (4 Cell polymer)
Battery LifeUp to 7.7 hoursUp to 7.7 hours
Power Supply
  • 170W AC power adapter
    Lenovo proprietary charging port.
  • 230W AC power adapter
    Lenovo proprietary charging port.
230W AC power adapter
Lenovo proprietary charging port.

Software

Lenovo Legion 5i 17”Lenovo Legion 7i 15”
OS
  • Windows 10 Home 64-bit
  • Windows 10 Pro 64-bit
  • Windows 10 Home 64-bit
  • Windows 10 Pro 64-bit
Built-in Apps
  • Lenovo Vantage
  • Lenovo PC Manager
  • McAfee LiveSafe™
  • Lenovo Antivirus
  • Microsoft Office Trial5
  • Power2Go
  • Corsair® iCUE
  • Lenovo Vantage
  • McAfee LiveSafe™
  • Microsoft Office Trial

Camera & Audio

Lenovo Legion 5i 17”Lenovo Legion 7i 15”
CameraFront-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
  • 2 x 2W Harman Kardon® Speaker System with Chamber
  • Dolby Atmos® Headphone Support
  • Dual-array microphones
  • 2 x 2W Harman Kardon® Speaker System with Chamber
  • Dolby Atmos® Headphone Support
  • Dual-array microphones

Misc

Lenovo Legion 5i 17”Lenovo Legion 7i 15”
Security
  • Chassis Kensington® Wedge security lock
  • Chassis Kensington® Wedge security lock
In the box
  • Legion 5i 17"
  • AC Adapter
  • 80Wh Internal Battery
  • Quick start guide
  • Legion 7i 15"
  • 4 Cell 80Wh internal battery
  • 230W AC adapter
  • Quick start guide
WarrantyOne Year Legion Ultimate SupportOne Year Legion Ultimate Support

Key Features

Lenovo Legion 5i 17”Lenovo Legion 7i 15”
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 FHD
15.6”
1080p 240Hz
Weight
4.6 lb
2.09 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 2070 SUPER
8GB GDDR6 with Max-Q

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