Infinix GT Book vs Lenovo Legion 5i 15-inch Gen 7 Comparison

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Infinix GT Book

16 inches | March 2024

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Lenovo Legion 5i 15-inch Gen 7

15.6 inches | January 2022

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Infinix GT Book vs Lenovo Legion 5i 15-inch Gen 7 Comparison Overview

Infinix GT Book

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Lenovo Legion 5i 15-...

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Infinix GT Book

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Lenovo Legion 5i 15-...

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In this review, we will be comparing GT Book and Legion 5i 15-inch Gen 7, two laptops from Infinix and Lenovo. Infinix GT Book was introduced to market in March 2024 and Lenovo Legion 5i 15-inch Gen 7 was launched in January 2022. As you can see, Legion 5i 15-inch Gen 7 is 2 years older than GT Book. Let's see if this age difference between two laptops makes a big difference.

Click for Available Configurations of the Laptops

Here is a brief look at the main features of Infinix GT Book and Lenovo Legion 5i 15-inch Gen 7 before getting into our more detailed comparison.

Infinix GT Book Key Specs

Launched in March 2024
16.0" IPS LCD, 16:10 Aspect Ratio Display
CPU: Intel Core i5 12450H
GPU: GeForce RTX 3050 6GB
16GB Ram
358 x 258 x 18.9 mm (14.09 x 10.16 x 0.74 inches)
Weight: 1.99 kg (4.39 lbs)

Lenovo Legion 5i 15-inch Gen 7 Key Specs

Launched in January 2022
15.6" IPS LCD, 16:9 Aspect Ratio Display
CPU: Intel Core i5 12450H
GPU: GeForce RTX 3050 Mobile 4GB
16GB Ram
358.8 x 262.3 x 19.9-24 mm (14.13 x 10.33 x 0.78-0.94 inches)
Weight: 2.4 kg (5.29 lbs)

Let's read on the following sections in order to better understand in detail how GT Book and Legion 5i 15-inch Gen 7 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 Infinix GT Book over Lenovo Legion 5i 15-inch Gen 7

Weight	1.99 kg vs 2.40 kg	0.41 kg lighter
Screen-to-Body Ratio	~80.4% vs ~71.3%	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
GPU FLOPS	9.1 TFLOPS vs 7.12 TFLOPS	Read & Write SD Cards with the built-in reader
SD Card Reader	Yes vs No

Reasons to choose Lenovo Legion 5i 15-inch Gen 7 over Infinix GT Book

Refresh Rate	165 Hz vs 120 Hz	Smoother media experience
Upgradable RAM	Yes vs No	More RAM Options
Number of USB-A Ports	3x USB 3.2 vs 2x USB 3.2	Connect more device at the same time
Number of USB-C Ports	3x USB 3.2 vs 1x USB 3.2	Connect more device at the same time
Thunderbolt	v4 vs No	Support audio, data, power and video all through one single port
Ethernet RJ45 Port	Yes vs No	Connects to the local network via Ethernet RJ45

Common Strengths of Lenovo Legion 5i 15-inch Gen 7 and Infinix GT Book

Launch Dates	March 2024 vs January 2022	Both laptops are recent models
Screen Coating	Matte vs Matte	Less reflections on the screen
Fast Charging Support	Yes vs Yes	Charge the battery in a shorter time
RAM Type	PCI-E Gen 4.0 (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	v6E vs v6E	Fast and Reliable Wi-Fi Connections
Bluetooth Standard	v5.2 vs v5.2	Fast and Reliable Bluetooth Connections
HDMI Output	1x HDMI 2.1 vs 1x HDMI 2.1	Connect to External Displays via HDMI cable
VGA Output	No vs No	Connect to External Displays via VGA cable
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 5i 15-inch Gen 7 and Infinix GT Book

Touchscreen Capability	No vs No	No Touchscreen Capability
Fingerprint Sensor	No vs No	No fingerprint login feature

Infinix GT Book vs Lenovo Legion 5i 15-inch Gen 7: Physical Specs Comparison

In this section, we will be comparing the physical specifications and body features of the Infinix GT Book and the Lenovo Legion 5i 15-inch Gen 7.

Physical Specs
Weight	1.99 kg (4.39 lbs)	2.4 kg (5.29 lbs)
Surface Area	924 cm2 (143.2 inches2)	941 cm2 (146 inches2)
Screen to Surface Ratio	~80.4%	~71.3%
Side Bezel Thickness	~6.7 mm	~6.7 mm
Weight per Inch of Screen	0.12 kg/inch	0.15 kg/inch
	0.264 lbs/inch	0.33 lbs/inch
Colors	Gray	Gray

Comparison of the Infinix GT Book and the Lenovo Legion 5i 15-inch Gen 7 External Dimensions

Weight

GT Book weighs 1.99 kg (4.39 lbs), whereas the Legion 5i 15-inch Gen 7 weighs 2.4 kg (5.29 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

Infinix GT Book

Avg: 16.0-16.9"

Lenovo Legion 5i 15-inch Gen 7

Avg: 15.0-15.9"

Thickness Comparison

Infinix GT Book

Avg: 16.0-16.9"

Lenovo Legion 5i 15-inch Gen 7

Avg: 15.0-15.9"

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 Infinix GT Book is 0.12 kg/inch.In comparison, this value for the Lenovo Legion 5i 15-inch Gen 7 is 0.15 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
Microsoft Surface Pro 12: 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

Infinix GT Book vs Lenovo Legion 5i 15-inch Gen 7: Internals (CPU, GPU, RAM, Battery, SSD, etc.) Comparison

CPU Comparison

CPU Model	Intel Core i5 12450H Intel Core i5 13420H Intel Core i9 13900H	Intel Core i5 12450H Intel Core i5 12500H Intel Core i7 12700H
Base Frequency	2 GHz	2.0 GHz
Turbo Frequency	4.4 GHz	4.4 GHz
Number of Cores	8 (4P + 4E)	8
Number of Threads	12	12
L3 Cache	12 MB	12 MB
Integrated GPU	Intel UHD Graphics (48EU)	Intel Iris Xe Graphics (48EU)
CPU Fabrication Process	10 nm	10 nm
Geekbench 5 (Single)	1642	1642
Geekbench 5 (Multi)	8498	8498
Cinebench 23 (Single)	1587	1587
Cinebench 23 (Multi)	10024	10024

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 Infinix GT Book and Lenovo Legion 5i 15-inch Gen 7.

You may also read reviews of latest laptops with the same CPU ( Intel Core i5 12450H ) and compare them:

GPU Comparison

GPU Model	GeForce RTX 3050 6GB GeForce RTX 4050 Laptop 6GB GeForce RTX 4060 8GB	GeForce RTX 3050 Mobile 4GB GeForce RTX 3050 Ti Mobile 4GB GeForce RTX 3060 Mobile 6GB GeForce RTX 3070 Mobile 8GB GeForce RTX 3070 Ti Mobile 8GB
Base Clock Frequency	1552 MHz	1065 MHz
Boost CLock Frequency	1777 MHz	1343 MHz
TGP (Total Graphics Power)	0 W	45 W
Nvidia Optimus	MUX	MUX
Type	Dedicated	Dedicated
FLOPS	9.1 TFLOPS	5.501 TFLOPS
Memory Size	6 GB	4 GB
Memory Type	GDDR6	GDDR6
Memory Bus	128 bit	128 bit
Memory Speed	~14 Gbps	1500 MHz 12 Gbps effective
Shading Units Cores	2560	2048
TMUs	80	64
ROPs	32	32

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. Infinix GT Book has a FLOPS value of 9.1 TFLOPS whereas the Lenovo Legion 5i 15-inch Gen 7 ' has a FLOPS value of 7.12 TFLOPS. If graphical performance of the laptop is important for your use type, the Infinix GT Book may be the better choice between these two setups.

RAM Comparison

RAM	16GB 32GB	16GB 32GB
Memory Bus	2x8 GB	2x8 GB
RAM Clock	5200 MHz	4800 MHz
RAM Type	LPDDR5X	DDR5
Upgradable	No	Yes
Memory Bus	PCI-E Gen 4.0 (4x)	PCI-E Gen 4.0 (4x)

Both laptops, the GT Book and the Legion 5i 15-inch Gen 7, come with similar RAM capacities of 16 GB, providing comparable performance in memory-intensive tasks.

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	Infinix GT Book	Lenovo Legion 5i 15” Gen 7
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	70 Wh	80 Wh
Battery Type	Li-Po	Li-Po
Replaceable	No	No
Fast Charging	No	Yes
Charging Port Position	Left	Bottom
Charge Power	210 W	230 W

On the other hand, the Legion 5i 15-inch Gen 7 features a higher battery capacity of 80 Wh, delivering longer usage time compared to the GT Book's 70 Wh.

Battery Comparison

Infinix GT Book

Avg: 16.0-16.9"

Lenovo Legion 5i 15-inch Gen 7

Avg: 15.0-15.9"

STORAGE
With a larger storage capacity up to 2 TB, the GT Book provides more space for storing files and applications compared to the Legion 5i 15-inch Gen 7's max. storage capacity of 1 TB.

Storage Options	512 GB, 1 TB, 2 TB	512 GB, 1 TB
Upgradable	Yes	Yes
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.

Infinix GT Book vs Lenovo Legion 5i 15-inch Gen 7: Display Comparison

The display is an essential aspect to consider when comparing the Infinix GT Book and Lenovo Legion 5i 15-inch Gen 7 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. GT Book has a display size of 16.0".On the other hand, Legion 5i 15-inch Gen 7 has a smaller 15.6" display.The total usable screen area of the GT Book is 742cm² / 115inch² whereas the Legion 5i 15-inch Gen 7's total usable screen area is 670cm² / 104inch².

PPI (Pixels per Inch)
Additionally, the GT Book features a higher pixel density with 142 pixels per inch (PPI), ensuring sharper image details.

Screen PPI (Pixels Per Inch) Comparison

Infinix GT Book

Avg: 16.0-16.9"

Lenovo Legion 5i 15-inch Gen 7

Avg: 15.0-15.9"

Refresh Rate
The Legion 5i 15-inch Gen 7 offers a higher refresh rate of 165 Hz, resulting in smoother motion and improved visual experience.

Brightness
Both GT Book and Legion 5i 15-inch Gen 7 offer the same maximum brightness of 300 nits (cd/m²).

Brightness Comparison

Infinix GT Book

Avg: 16.0-16.9"

Lenovo Legion 5i 15-inch Gen 7

Avg: 15.0-15.9"

Infinix GT Book vs Lenovo Legion 5i 15-inch Gen 7 Connectivity Comparison

In terms of connectivity,

Wifi
Both laptops offer the same Wi-Fi standard (v6E), ensuring fast and reliable wireless connections.

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 GT Book and Legion 5i 15-inch Gen 7 have USB-A ports. GT Book has 2x USB 3.2 USB-A ports, while Legion 5i 15-inch Gen 7 has 3x USB 3.2 USB-A ports.
Both GT Book and Legion 5i 15-inch Gen 7 have USB Type-C ports. GT Book has 1x USB 3.2 USB Type-C ports, while Legion 5i 15-inch Gen 7 has 3x 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
Legion 5i 15-inch Gen 7 is equipped with Thunderbolt 4 port. GT Book does not have Thunderbolt port.

HDMI
Both GT Book and Legion 5i 15-inch Gen 7 feature an HDMI port (1x HDMI 2.1) for connecting to external monitors.

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
GT Book is equipped with an SD Card Reader for easy access to memory cards. Legion 5i 15-inch Gen 7 does not have an SD Card Reader.

Audio Jack
Both GT Book and Legion 5i 15-inch Gen 7 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)	v6E	v6E
Bluetooth (latest: v5.4)	v5.2	v5.2
USB-A (latest: 3.2)	2x USB 3.2	3x USB 3.2
USB Type-C (latest: USB4 2.0)	1x USB 3.2	3x USB 3.2
Thunderbolt (latest: 5)	No	Thunderbolt 4
HDMI (latest: 2.1)	1x HDMI 2.1	1x HDMI 2.1
Display Port (latest: v2.0)	No	No
VGA	No	No
Fingerprint Sensor	No	No
Optical Drive	No	No
Audio Jack 3.5mm	Yes	Yes
Ethernet RJ45	No	Yes
SD CardReader	Yes	No
Proprietary Charging Port	Yes	Yes