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Lenovo Legion Slim 7i (15”, Intel, 2020) vs. 2021 ROG Zephyrus G15: Full specs comparison

The following is a comprehensive comparison of the Lenovo Legion Slim 7i (15”, Intel, 2020) and 2021 ROG Zephyrus G15 specifications, including details on CPU, memory, storage, battery life, display quality, and other features.

Compare With Please enter device name or part of it Lenovo Legion Slim 7i (15”, Intel, 2020) See at Amazon	Compare With Please enter device name or part of it 2021 ROG Zephyrus G15 See at Amazon

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

We couldn't find any advantages of Lenovo Legion Slim 7i (15”, Intel, 2020) over 2021 ROG Zephyrus G15.

2021 ROG Zephyrus G15 Pros

Reasons that 2021 ROG Zephyrus G15 is better than Lenovo Legion Slim 7i (15”, Intel, 2020).

The 2021 ROG Zephyrus G15 supports a larger memory capacity than the Lenovo Legion Slim 7i (15”, Intel, 2020). It supports up to 48GB versus 32GB of system memory on the Lenovo Legion Slim 7i (15”, Intel, 2020).

Max system memory size

2021 ROG Zephyrus G15

48 GB

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

32 GB

Key Similars

Similar characteristics share between Lenovo Legion Slim 7i (15”, Intel, 2020) and 2021 ROG Zephyrus G15.

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

Geekbench 5 multi-core score

2021 ROG Zephyrus G15 - AMD Ryzen 9-5900HS

7,162

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

7,013

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

2021 ROG Zephyrus G15 - AMD Ryzen 7-5800HS

6,454

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

5,412

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

3,747

Both laptops supports the same 3200MHz DDR4 RAM.

Memory type and speed

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

3,200 MHz

2021 ROG Zephyrus G15 - DDR4

3,200 MHz

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

Memory	Lenovo Legion Slim 7i (15”, Intel, 2020)	2021 ROG Zephyrus G15
Slots	x1	x1
Type	DDR4	DDR4

Prices

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

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 Slim 7i Gaming & Entertainment Laptop (Intel i9-13900H 14-Core, 16GB DDR5 5200MHz RAM, 1TB SSD, GeForce RTX 4070, 16.0" Win 11 Home) with Microsoft 365 Personal, Dockztorm Hub By Lenovo $1,499.99	See at Amazon
2021 ROG Zephyrus G15 Price
	ASUS - ROG Zephyrus 15.6" QHD Gaming Laptop - AMD Ryzen 9 - 16GB Memory - NVIDIA GeForce RTX 3070 - 1TB SSD - Eclipse Grey - Eclipse Grey By ASUS $1,559.83	See at Amazon
	ASUS ROG Zephyrus G15 15.6" 240Hz QHD Gaming Laptop, AMD Ryzen 9 6900HS, GeForce RTX 3080 8GB GDDR6, 40GB DDR5, 4TB PCIe SSD, Backlit Keyboard, WiFi 6E, Win 11 Pro, Gray, 128GB Hotface Extension Set By ASUS $2,049.00	See at Amazon
	ASUS ROG Strix G15 (2021) Gaming Laptop, 15.6” 300Hz IPS Type FHD Display, NVIDIA GeForce RTX 3070, AMD Ryzen R9-5900HX, 16GB DDR4, 1TB PCIe NVMe SSD, RGB Keyboard, Windows 10, G513QR-ES96 By ASUS $1,989.95	See at Amazon

Availability	Lenovo Legion Slim 7i (15”, Intel, 2020)	2021 ROG Zephyrus G15
Released	2020	2021
Release Date	Announced on December 04, 2020	-
Applicable Models	-	2021 ROG Zephyrus G15 ROG Zephyrus G15 (2021) ROG Zephyrus G15 GA503 ROG Zephyrus G15 GA503QC ROG Zephyrus G15 GA503QE ROG Zephyrus G15 GA503QR
Generations	-	2023 ROG Zephyrus G16 2022 ROG Zephyrus G15 2021 ROG Zephyrus G15 2020 ROG Zephyrus G15

Exterior	Lenovo Legion Slim 7i (15”, Intel, 2020)	2021 ROG Zephyrus G15
Dimensions	14.01 x 9.84 x 0.6 - 0.7 inches (356 x 250 x 15.9 - 17.9 mm)	13.98” x 9.57” x 0.78” (355 x 243 x 19.9 mm)
Weight	Starting at 4.1 lbs (1.86 kg)	4.19 lbs (1.90 kg)
Colors	Slate grey	Eclipse Gray Moonlight White
Keyboard and Trackpad	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).	Full-size backlit keyboard 1.7 mm key travel 20M key press lifetime N-Key Rollover Hotkeys Volume down volume up mute Armoury Crate Touchpad 20% larger 40% faster lower latency

Display	Lenovo Legion Slim 7i (15”, Intel, 2020)	2021 ROG Zephyrus G15
Size	15.6 Inches	15.6 Inches
Info	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	15.6” WQHD 165Hz 16:9 2560 x 1440 165Hz 3ms 100% DCI-P3 Non-touch IPS Level Anti-Glare FreeSync Pantone Validated 15.6” FHD 144Hz 16:9 1920 x 1080 360Hz 3ms 62.5% sRGB 47.34% Adobe RGB Non-touch IPS Level Anti-Glare FreeSync

Ports	Lenovo Legion Slim 7i (15”, Intel, 2020)	2021 ROG Zephyrus G15
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	Image Source: ASUS Left (7) 2 x USB-C USB 3.2 Gen 2 (10 Gbps), DisplayPort 1.4, Power Delivery 3.0 1 x USB-A USB 3.2 Gen 2 (10 Gbps) 1 x HDMI v2.0b 1 x RJ-45 1 Gbps 1 x headphone jack Headphone/Microphone 1 x power port Right (3) 1 x USB-A USB 3.2 Gen 2 (10 Gbps) 1 x microSD card slot up to 312 MB/s transfer speed 1 x lock slot

Internal Specs	Lenovo Legion Slim 7i (15”, Intel, 2020)	2021 ROG Zephyrus G15
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™ i7-10870H 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	AMD Ryzen™ 7 5800HS 8 cores, 16 threads, 2.80 → 4.40 GHz, 4MB L2 Cache, 16MB L3 Cache, 35W AMD Ryzen™ 9 5900HS 8 cores, 16 threads, 3.00 → 4.60 GHz, 4MB L2 Cache, 16MB L3 Cache, 35W
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™ i7-10870H 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	AMD Ryzen™ 7 5800HS AMD Radeon™ Graphics 8 Graphics Cores, 2000 MHz AMD Ryzen™ 9 5900HS AMD Radeon™ Graphics 8 Graphics Cores, 2100 MHz
Memory	8GB 16GB 32GB 2933 MHz or 3200 MHz DDR4 Memory Memory Slots 1 x Onboard Memory 1 x SO-DIMM DDR4 Slot	16GB 32GB 48GB Dual-Channel DDR4 3200MHz Memory. 1 x 16GB Onboard Memory and 1 x SODIMM slot
Discrete Graphics	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	NVIDIA® GeForce RTX™ 3060 6GB GDDR6 VRAM, with ROG Boost up to 1525MHz at 80W (95W with Dynamic Boost). NVIDIA® GeForce RTX™ 3070 8GB GDDR6 VRAM, with ROG Boost up to 1390MHz at 80W (100W with Dynamic Boost). NVIDIA® GeForce RTX™ 3080 8GB GDDR6 VRAM, with ROG Boost up to 1345MHz at 80W (100W with Dynamic Boost).
Storage	512 GB 1TB 2TB M.2 2280 SSD 2 x PCIe NVMe, PCIe 3.0 x4 slots	512GB 1TB 2TB M.2 NVMe PCIe 3.0. 2 x M.2 SSD slots, supports RAID-0.

Connectivity	Lenovo Legion Slim 7i (15”, Intel, 2020)	2021 ROG Zephyrus G15
Wi-Fi	Killer Wi-Fi 6 AX1650, 802.11ax 2x2 Wi-Fi + Bluetooth 5.1, M.2 Card	Intel® Wi-Fi 6 with Gig+ performance (802.11ax)
Bluetooth	Bluetooth 5.1	Bluetooth 5.0
Ethernet	-	Gigabit LAN Speed: 10/100/1000 Mbps.

Battery	Lenovo Legion Slim 7i (15”, Intel, 2020)	2021 ROG Zephyrus G15
Size	71 WHr (Integrated 3-Cell Li-Polymer battery) Supports Rapid Charge Boost (get 2 hours of runtime with a 15-minute charge)	90 Wh (4-cell Lithium-ion)
Battery Life	Up to 5.8 hours Tested with MobileMark® 2018	-
Power Supply	170W 230W Slim tip AC adapter.	200W ø6.0 mm power adapter. 100W USB-C power adapter.

Software	Lenovo Legion Slim 7i (15”, Intel, 2020)	2021 ROG Zephyrus G15
OS	Windows 10 Home 64 Windows 10 Pro 64 FreeDOS No operating system	Windows 10 Home Windows 10 Pro
Built-in Apps	Lenovo Vantage Dolby Atmos® Speaker System Dolby Vision® McAfee® Antivirus	Armoury Crate

Camera & Audio	Lenovo Legion Slim 7i (15”, Intel, 2020)	2021 ROG Zephyrus G15
Camera	Top-placed Built-in HD Webcam (720p) with Privacy Shutter	No Built-in camera.
Audio	2 x 2W Dolby Atmos® Speaker System for Gaming Dual array microphone	4 x 2W woofer with Smart Amp Technology. 2 x 2W tweeter. Supports Dolby Atmos. 3D array microphone. Two-Way AI Noise Cancelation

Misc	Lenovo Legion Slim 7i (15”, Intel, 2020)	2021 ROG Zephyrus G15
Sensors	Fingerprint Reader Combined with Power Button	-
Security	Fingerprint Reader Touch style fingerprint reader on the power button BIOS Security Power-on password Supervisor password Other Security Camera privacy shutter	One-Touch Login Fingerprint on the power button. Kensington Lock Slot
In the box	Lenovo Legion Slim 7i 15” AC adapter Internal Battery Quick Start Guide	FHD 1080P@60FPS external camera optional. ROG Backpack optional. ROG Delta headset optional. ROG Chakram Core mouse P511 optional. ROG Impact Gaming Mouse optional. TYPE-C, 100W AC Adapter Output: 20V DC, 5A, 100W, Input: 100~240V AC 50/60Hz universal (optional)
Warranty	1-year depot service	-

Key Features	Lenovo Legion Slim 7i (15”, Intel, 2020)	2021 ROG Zephyrus G15
At Glance	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	Released in Early 2021 16:9 15.6” 1440p 165Hz Weight 4.19 lb 1.90 kg Up to AMD Ryzen 9-5900HS 8C/16T, 3.00 → 4.60 GHz Geekbench 5 1,356 Single Core Geekbench 5 7,162 Multi-Core With integrated AMD Radeon™ Graphics 8 Graphics Cores, 2100 MHz Upgradable up to 48GB 3200 MHz DDR4 Nvidia GeForce RTX 3080 8GB GDDR6 80W TGP