Lenovo Legion Slim 7 15-inch 2021 AMD vs Lenovo Legion Slim 7 Gen 7 2022 AMD Comparison

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Lenovo Legion Slim 7 15-inch 2021 AMD

15.6 inches | January 2021

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Lenovo Legion Slim 7 Gen 7 2022 AMD

16 inches | May 2022

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Lenovo Legion Slim 7 15-inch 2021 AMD vs Lenovo Legion Slim 7 Gen 7 2022 AMD Comparison Overview

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In this review, we will be comparing Legion Slim 7 15-inch 2021 AMD and Legion Slim 7 Gen 7 2022 AMD, two laptops by Lenovo. Lenovo Legion Slim 7 15-inch 2021 AMD was introduced to market in January 2021 and Lenovo Legion Slim 7 Gen 7 2022 AMD was launched in May 2022. There is 16 months difference between Legion Slim 7 15-inch 2021 AMD and Legion Slim 7 Gen 7 2022 AMD so it would still give an advantage to younger Legion Slim 7 Gen 7 2022 AMD.

Click for Available Configurations of the Laptops

Legion Slim 7 15-inch 2021 AMD and Legion Slim 7 Gen 7 2022 AMD are members of Lenovo's Legion Slim series of laptops. Below you can find the latest models from this series.

Lenovo Legion Slim Series History

	Release Date	Screen Size	Dimensions	Weight
Lenovo Legion Slim 5 Gen 9 16 , 2024	January 2024	16.0"	359.7 x 260.5 x 19.9-25.2 mm	2.1 kg (4.63 lbs)
Lenovo Legion Slim 7 Gen 7 2022 AMD	May 2022	16.0"	357.7 x 256 x 16.9 mm	2.05 kg (4.52 lbs)
Lenovo Legion Slim 7i Gen 7 2022 Intel	May 2022	16.0"	357.7 x 256 x 16.9 mm	2.17 kg (4.78 lbs)
Lenovo Legion Slim 7 15-inch 2021 AMD	January 2021	15.6"	356 x 252 x 15.9-17.9 mm	1.9 kg (4.19 lbs)

Here is a brief look at the main features of Lenovo Legion Slim 7 15-inch 2021 AMD and Lenovo Legion Slim 7 Gen 7 2022 AMD before getting into our more detailed comparison.

Lenovo Legion Slim 7 15-inch 2021 AMD Key Specs

Launched in January 2021
15.6" IPS LCD, 16:9 Aspect Ratio Display
CPU: AMD Ryzen 5 5600H
GPU: GeForce RTX 3050 Ti Mobile 4GB
16GB Ram
356 x 252 x 15.9-17.9 mm (14.02 x 9.92 x 0.63-0.7 inches)
Weight: 1.9 kg (4.19 lbs)

Lenovo Legion Slim 7 Gen 7 2022 AMD Key Specs

Launched in May 2022
16.0" IPS LCD, 16:10 Aspect Ratio Display
CPU: AMD Ryzen 5 6600H
GPU: Radeon RX 6800S 8GB
8GB Ram
357.7 x 256 x 16.9 mm (14.08 x 10.08 x 0.67 inches)
Weight: 2.05 kg (4.52 lbs)

Let's read on the following sections in order to better understand in detail how Legion Slim 7 15-inch 2021 AMD and Legion Slim 7 Gen 7 2022 AMD compares and decide which one is better for you.

**This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Reasons to choose Lenovo Legion Slim 7 15-inch 2021 AMD over Lenovo Legion Slim 7 Gen 7 2022 AMD

Weight	1.90 kg vs 2.05 kg	0.15 kg lighter
Side Bezel Thickness	5.3 mm vs 6.5 mm	1.2 mm thinner bezels
Max Total RAM	32 GB vs 24 GB	Higher RAM potential

Reasons to choose Lenovo Legion Slim 7 Gen 7 2022 AMD over Lenovo Legion Slim 7 15-inch 2021 AMD

Screen-to-Body Ratio	~81.1% vs ~74.8%	Larger screen area ratio
Display Size	16 inches vs 15.6 inches	Larger Screen Estate
Screen PPI	142 ppi vs 141 ppi	More pixels per inch
Screen Resolution	1920 x 1200 pixels vs 1920 x 1080 pixels	Higher pixel count screen
Max Brightness	350 nits vs 300 nits	Brighter Screen
CPU Fabrication Process	6 nm vs 7 nm	Newer Generation CPU
GPU Fabrication Process	7 nm vs 8 nm	Newer Generation GPU
GPU FLOPS	13.2 TFLOPS vs 8.7 TFLOPS	Faster RAM Type
RAM Type	DDR5 vs DDR4	Faster RAM
RAM BUS	PCI-E Gen 4.0 (4x) vs PCI-E Gen 3.0 (4x)	Higher Resolution Camera
Webcam Resolution	1920 x 1080 vs 1280 x 720	Connect to external monitors directly via HDMI cable
HDMI Port	1x HDMI 2.1 vs No

Common Strengths of Lenovo Legion Slim 7 Gen 7 2022 AMD and Lenovo Legion Slim 7 15-inch 2021 AMD

Screen Coating	Matte vs Matte	Less reflections on the screen
Fast Charging Support	Yes vs Yes	Charge the battery in a shorter time
USB Power Delivery	Yes vs Yes	Charging via USB port gives flexibility
Upgradable RAM	Yes vs Yes	Option to increase the RAM size
RAM Type	PCI-E Gen 3.0 (4x) vs PCI-E Gen 4.0 (4x)	Fast RAM type
Upgradable Storage	Yes vs Yes	Option to increase the Storage size
SSD Type	NVMe vs NVMe	Faster Data Transfers
Wi-Fi Standard	v6 vs v6E	Fast and Reliable Wi-Fi Connections
Bluetooth Standard	v5.1 vs v5.1	Fast and Reliable Bluetooth Connections
Fingerprint Sensor	Yes vs Yes	Easy Login with Fingerprint Sensor
VGA Output	No vs No	Connect to External Displays via VGA cable
Built-in SD Card Reader	Yes vs Yes	Read & Write SD Cards
Numeric Pad	Yes vs Yes	Fast way to input numbers
Keyboard Backlight	Yes vs Yes	Easily see the keys under low light

Common Weaknesses of Lenovo Legion Slim 7 Gen 7 2022 AMD and Lenovo Legion Slim 7 15-inch 2021 AMD

Touchscreen Capability	No vs No	No Touchscreen Capability

Lenovo Legion Slim 7 15-inch 2021 AMD vs Lenovo Legion Slim 7 Gen 7 2022 AMD: Physical Specs Comparison

In this section, we will be comparing the physical specifications and body features of the Lenovo Legion Slim 7 15-inch 2021 AMD and the Lenovo Legion Slim 7 Gen 7 2022 AMD.

Physical Specs
Weight	1.9 kg (4.19 lbs)	2.05 kg (4.52 lbs)
Surface Area	897 cm2 (139.1 inches2)	916 cm2 (141.9 inches2)
Screen to Surface Ratio	~74.8%	~81.1%
Side Bezel Thickness	~5.3 mm	~6.5 mm
Weight per Inch of Screen	0.12 kg/inch	0.13 kg/inch
	0.264 lbs/inch	0.286 lbs/inch
Colors	Black, Gray	Gray

Comparison of the Lenovo Legion Slim 7 15-inch 2021 AMD and the Lenovo Legion Slim 7 Gen 7 2022 AMD External Dimensions

Weight

Legion Slim 7 15-inch 2021 AMD weighs 1.9 kg (4.19 lbs), whereas the Legion Slim 7 Gen 7 2022 AMD weighs 2.05 kg (4.52 lbs). There is a notable difference in weight between these two laptops. However, it's important to consider that comparing their weights directly may not provide a complete picture since they also have different display sizes.

Weight Comparison

Lenovo Legion Slim 7 15-inch 2021 AMD 1.90 kg

Avg: 15.0-15.9" 1.95 kg

Lenovo Legion Slim 7 Gen 7 2022 AMD 2.05 kg

Avg: 16.0-16.9" 2.07 kg

Thickness Comparison

Lenovo Legion Slim 7 15-inch 2021 AMD 15.90 mm

Avg: 15.0-15.9" 20.17 mm

Lenovo Legion Slim 7 Gen 7 2022 AMD 16.90 mm

Avg: 16.0-16.9" 20.35 mm

Another value that we use for comparing the weights of the laptops is the Weight per Inch of Screen, which is calculated by dividing the total weight of the model with its usable diagonal screen size. This value for the Lenovo Legion Slim 7 15-inch 2021 AMD is 0.12 kg/inch.In comparison, this value for the Lenovo Legion Slim 7 Gen 7 2022 AMD is 0.13 kg/inch.Here are some of the best performing laptops in this area:

Microsoft Surface Go 4: 0.05 kg/inch
LG Gram SuperSlim 15.6 2023: 0.06 kg/inch
Asus ProArt PZ13 HT5306: 0.06 kg/inch
Asus Zenbook A14 UX3407: 0.06 kg/inch
Dell Latitude 7330: 0.07 kg/inch
Lenovo ThinkPad X1 Nano Gen 2: 0.07 kg/inch
LG Gram 14 2022: 0.07 kg/inch
LG Gram 14 2-in-1 2022: 0.07 kg/inch

Lenovo Legion Slim 7 15-inch 2021 AMD vs Lenovo Legion Slim 7 Gen 7 2022 AMD: Internals (CPU, GPU, RAM, Battery, SSD, etc.) Comparison

CPU Comparison

CPU Model	AMD Ryzen 5 5600H AMD Ryzen 7 5800H AMD Ryzen 9 5900HX	AMD Ryzen 5 6600H AMD Ryzen 7 6800H AMD Ryzen 9 6900HX
Base Frequency	3.3 GHz	3.3 GHz
Turbo Frequency	4.2 GHz	4.5 GHz
Number of Cores	6	6
Number of Threads	12	12
L3 Cache	16 MB	16 MB
Integrated GPU	Radeon RX Vega 7	AMD Radeon 660M
CPU Fabrication Process	7 nm	6 nm
Geekbench 5 (Single)	1426	1460
Geekbench 5 (Multi)	6579	8077
Cinebench 23 (Single)	1371	1462
Cinebench 23 (Multi)	9758	10270

Above you can see the CPU options and the CineBench and GeekBench test scores for both laptops, which gives an idea about what kind of performance difference you may experience between the Lenovo Legion Slim 7 15-inch 2021 AMD and Lenovo Legion Slim 7 Gen 7 2022 AMD.

You may also read reviews of latest laptops with the same CPUs and compare them:

Laptops with: AMD Ryzen 5 5600H

Laptops with: AMD Ryzen 5 6600H

GPU Comparison

GPU Model	GeForce RTX 3050 Ti Mobile 4GB GeForce RTX 3060 Mobile 6GB	Radeon RX 6800S 8GB
Base Clock Frequency	735 MHz	1800 MHz
Boost CLock Frequency	1035 MHz	2100 MHz
TGP (Total Graphics Power)	75 W	100 W
Nvidia Optimus	MUX
Type	Dedicated	Dedicated
FLOPS	5.299 TFLOPS	8.602 TFLOPS
Memory Size	4 GB	8 GB
Memory Type	GDDR6	GDDR6
Memory Bus	128 bit	128 bit
Memory Speed	1500 MHz 12 Gbps effective	2000 MHz 16 Gbps effective
Shading Units Cores	2560	2048
TMUs	80	128
ROPs	32	64

GPU is as critical as the CPU for graphic heavy applications and the table above gives a picture of how the two GPU compares. FLOPS is a measure of a GPU's performance based on the number of floating-point arithmetic calculations that the processor can perform within a second. Lenovo Legion Slim 7 15-inch 2021 AMD has a FLOPS value of 8.7 TFLOPS whereas the Lenovo Legion Slim 7 Gen 7 2022 AMD ' has a FLOPS value of 13.2 TFLOPS. If graphical performance of the laptop is important for your use type, the Lenovo Legion Slim 7 15-inch 2021 AMD may be the better choice between these two setups.

RAM Comparison

RAM	16GB 24GB 32GB	8GB 16GB 24GB
Memory Bus	1x16 GB	1x8 GB
RAM Clock	3200 MHz	4800 MHz
RAM Type	DDR4	DDR5
Upgradable	Yes	Yes
Max RAM Size	32 GB	24 GB
Total Slots	1	1
Memory Bus	PCI-E Gen 3.0 (4x)	PCI-E Gen 4.0 (4x)

With a larger RAM capacity of 16 GB, the Legion Slim 7 15-inch 2021 AMD offers an advantage for multitasking and resource-intensive applications compared to the Legion Slim 7 Gen 7 2022 AMD's RAM capacity of 8 GB.

LOCAL LLM Compatibility Evaluation

This quick guide shows what types of large language models (LLMs) each of these laptops could support, based on their respective hardware specifications. It's meant to help you compare their suitability for running AI models locally.

LLM Category	Lenovo Legion Slim 7 15” (2021, AMD)	Lenovo Legion Slim 7 Gen 7 (2022, AMD)
Small Models(1-3B):Examples: Phi-2, Qwen-1.8B	✔ Run smoothly.	✔ Run smoothly.
Medium Models(7-8B):Examples: Mistral-7B, Qwen-7B	✖ Not supported.	✖ Not supported.
Large Models(13-30B):Examples: Mixtral, Qwen-14B	✖ Not supported.	✖ Not supported.
Extra-Large Models(65B+):Examples: LLaMA2-70B, Qwen1.5-72B	✖ Not supported on most systems. Requires high-end GPU or advanced setup.	✖ Not supported on most systems. Requires high-end GPU or advanced setup.

Note: Optimized (e.g., 4-bit) models may run on limited hardware. Performance depends on runtime and setup.

📌 MoE Models: Some models like Mixtral 8x7B and Qwen3-30B-A3B use a Mixture of Experts (MoE) design, activating only part of the model during inference. This means they can often run efficiently on laptops with 12–16 GB of VRAM when quantized.

BATTERY

BATTERY	71 Wh	71 Wh 99.9 Wh
Battery Type	Li-Po	Li-Po
Replaceable	No	No
Fast Charging	Yes	Yes
USB Power Delivery	Yes	Yes
Charging Port Position	Bottom	Bottom
Charge Power	95 / 170 / 230 W	135 / 170 / 230 W

Furthermore, both laptops have the same battery capacity of 71 Wh, ensuring comparable battery performance.

Battery Comparison

Lenovo Legion Slim 7 15-inch 2021 AMD 71 Wh

Avg: 15.0-15.9" 62.1 Wh

Lenovo Legion Slim 7 Gen 7 2022 AMD 71 Wh

Avg: 16.0-16.9" 74.15 Wh

STORAGE
Both laptops, the Legion Slim 7 15-inch 2021 AMD and the Legion Slim 7 Gen 7 2022 AMD have similar max. storage capacities of 2 TB, allowing for ample space to store files and applications.

Storage Options	512 GB, 1 TB, 2 TB	512 GB, 1 TB, 2 TB
Upgradable	Yes	Yes
Total Slots	2	2
Storage type	SSD (M2)	SSD (M2)
NVMe	Yes	Yes

If your budget allows, we recommend opting for the largest possible disk size, considering the potential increase in storage capacity needs in the future. However, please keep in mind the question 'What will the laptop be used for?' when making this decision. Of course, you can later upgrade the hard disk capacity by getting a larger disk. However, if your laptop has only one disk slot, it may not be as straightforward as a RAM upgrade, where you simply add or replace a module, as moving or cloning files to a new disk may be necessary.

Lenovo Legion Slim 7 15-inch 2021 AMD vs Lenovo Legion Slim 7 Gen 7 2022 AMD: Display Comparison

The display is an essential aspect to consider when comparing the Lenovo Legion Slim 7 15-inch 2021 AMD and Lenovo Legion Slim 7 Gen 7 2022 AMD since its is the component that you interact the most and significantly impact the experience.

Screen Area and Dimensions

Now let's look at the comparison of the actual display areas of both laptops below, keeping the bezels around the screens out of the equation. Legion Slim 7 15-inch 2021 AMD has a display size of 15.6".On the other hand, Legion Slim 7 Gen 7 2022 AMD has a larger16.0" display.The total usable screen area of the Legion Slim 7 15-inch 2021 AMD is 670cm² / 104inch² whereas the Legion Slim 7 Gen 7 2022 AMD's total usable screen area is 742cm² / 115inch².

PPI (Pixels per Inch)
Additionally, the Legion Slim 7 Gen 7 2022 AMD features a higher pixel density with 142 pixels per inch (PPI), ensuring sharper image details.

Screen PPI (Pixels Per Inch) Comparison

Lenovo Legion Slim 7 15-inch 2021 AMD 141 PPI

Avg: 15.0-15.9" 144 PPI

Lenovo Legion Slim 7 Gen 7 2022 AMD 142 PPI

Avg: 16.0-16.9" 169 PPI

Refresh Rate
Both Legion Slim 7 15-inch 2021 AMD and Legion Slim 7 Gen 7 2022 AMD offer the same refresh rate of 165 Hz.

Brightness
The Legion Slim 7 Gen 7 2022 AMD offers a higher maximum brightness of 350 nits, delivering a brighter screen.

Brightness Comparison

Lenovo Legion Slim 7 15-inch 2021 AMD 300 nits

Avg: 15.0-15.9" 319 nits

Lenovo Legion Slim 7 Gen 7 2022 AMD 350 nits

Avg: 16.0-16.9" 413 nits

Lenovo Legion Slim 7 15-inch 2021 AMD vs Lenovo Legion Slim 7 Gen 7 2022 AMD Connectivity Comparison

In terms of connectivity,

Wifi
Legion Slim 7 Gen 7 2022 AMD features a more advanced Wi-Fi standard v6E, providing faster and more reliable wireless connections compared to Legion Slim 7 15-inch 2021 AMD (v6).

Below, you'll find a Wi-Fi Versions Table, along with their release dates and speeds, to provide a brief overview of its development.

Wi-Fi Versions and Speeds

Standard	Speed	Release Date	Network	Frequency Bands (GHz)
Wi-Fi 7	up to 40 Gbps (5 GB/s)	2023	802.11be	2.4, 5, 6
Wi-Fi 6E	up to 9.6 Gbps (1.2 GB/s)	2020	802.11ax	2.4, 5, 6
Wi-Fi 6	up to 9.6 Gbps (1.2 GB/s)	2019	802.11ax	2.4, 5
Wi-Fi 5	up to 6.93 Gbps (866.25 MB/s)	2014	802.11ac	2.4, 5
Wi-Fi 4	up to 600 Mbps (75 MB/s)	2009	802.11n	2.4, 5

* Please note that the provided transfer rates are maximum theoretical values, and real-life performance may vary based on environmental factors.

USB
Both Legion Slim 7 15-inch 2021 AMD and Legion Slim 7 Gen 7 2022 AMD feature 2x USB 3.2 USB-A ports.
Both Legion Slim 7 15-inch 2021 AMD and Legion Slim 7 Gen 7 2022 AMD feature 2x USB 3.2 USB Type-C ports.

Below, you'll find a table of USB ports, along with their release dates and speeds.
To mitigate the confusion caused by generation names, the USB Implementers Forum (USB-IF) suggests using marketing names like USB 5Gbps, USB 10Gbps, and so forth, based on their respective transfer rates.

USB Type and Speeds

USB Type	Version	Speed	Date	Other Features/Explanations
USB4	Gen 4 (2.0)	80 Gbps	2022	Also known as USB 80Gbps
USB4	Gen 3×2	40 Gbps	2019	Also known as USB 40Gbps
USB 3.2	3.2 Gen 2x2	20 Gbps	2019	Double the data transfer rates of Gen 2
USB 3.2	3.2 Gen 2	10 Gbps	2017	Previously known as USB 3.1
USB 3.2	3.2 Gen 1	5 Gbps	2017	Previously known as USB 3.0
USB 3.1	3.1 Gen 2	10 Gbps	2013	Faster data transfer rates
USB 3.0	3.1 Gen 1	5 Gbps	2010	SuperSpeed USB, improved data transfer rates
USB 2.0	2.0	480 Mbps	2000	High-speed data transfer
USB 1.0	1.0	1.5 Mbps	1996	Original USB standard

Thunderbolt
Neither Legion Slim 7 15-inch 2021 AMD nor Legion Slim 7 Gen 7 2022 AMD has Thunderbolt port.

HDMI
Legion Slim 7 Gen 7 2022 AMD features an HDMI port (1x HDMI 2.1) for connecting to external monitors. Legion Slim 7 15-inch 2021 AMD does not have an HDMI port.

Below, you'll find a comparison table detailing different HDMI versions, including their bandwidth, color depth, maximum resolution, and release dates. This information can be helpful in understanding the capabilities of each HDMI version and choosing the most suitable one for your needs.

HDMI Comparison Table

HDMI Version	Maximum Resolution	Bandwidth (Gbps)	Color Depth (bits)	Release Date
HDMI 2.1-2.1b	7680 x 4320 *(8K)* @ 60p 3840 x 2160 *(4K)* @ 120p	48.0	48	2017
HDMI 2.0-2.0b	3840 x 2160 *(4K)* @ 60p	18.0	48	2013
HDMI 1.4-1.4b	3840 x 2160 *(4K)* @ 30p	10.2	48	2009
HDMI 1.3-1.3a	2560 x 1440 @ 60p	10.2	48	2006
HDMI 1.0-1.2a	1920 x 1200 @ 60p	4.95	24	2002

* Please note that the provided resolution values represent the maximum supported resolution, and actual display quality may depend on other factors such as source content and connected devices.

SD Card Reader
Both Legion Slim 7 15-inch 2021 AMD and Legion Slim 7 Gen 7 2022 AMD come with an SD Card Reader for easy access to memory cards.

Audio Jack
Both Legion Slim 7 15-inch 2021 AMD and Legion Slim 7 Gen 7 2022 AMD are equipped with a 3.5mm Audio Jack, providing seamless connection to headphones and speakers.

To summarize the connectivity and ports details, please refer to the table below to see them listed.

Connectivity and Ports
WiFi Standard (latest: v7)	v6	v6E
Bluetooth (latest: v5.4)	v5.1	v5.1
USB-A (latest: 3.2)	2x USB 3.2	2x USB 3.2
USB Type-C (latest: USB4 2.0)	2x USB 3.2	2x USB 3.2
Thunderbolt (latest: 4)	No	No
HDMI (latest: 2.1)	No	1x HDMI 2.1
Display Port (latest: v2.0)	No	No
VGA	No	No
Fingerprint Sensor	Yes	Yes
Optical Drive	No	No
Audio Jack 3.5mm	Yes	Yes
Ethernet RJ45	No	No
SD CardReader	Yes	Yes
Proprietary Charging Port	Yes	Yes