Lenovo IdeaPad Flex 5i 14 Intel vs LG Gram 14 2021 Comparison

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Lenovo IdeaPad Flex 5i 14 Intel

14 inches | February 2022

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LG Gram 14 2021

14 inches | January 2021

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Lenovo IdeaPad Flex 5i 14 Intel vs LG Gram 14 2021 Comparison Overview

Lenovo IdeaPad Flex...

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LG Gram 14 2021

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Lenovo IdeaPad Flex...

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LG Gram 14 2021

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In this review, we will be comparing IdeaPad Flex 5i 14 Intel and Gram 14 2021, two laptops from Lenovo and LG. Lenovo IdeaPad Flex 5i 14 Intel was introduced to market in February 2022 and LG Gram 14 2021 was launched in January 2021. There is 13 months difference between IdeaPad Flex 5i 14 Intel and Gram 14 2021 so it would still give an advantage to younger IdeaPad Flex 5i 14 Intel.

Click for Available Configurations of the Laptops

Here is a brief look at the main features of Lenovo IdeaPad Flex 5i 14 Intel and LG Gram 14 2021 before getting into our more detailed comparison.

Lenovo IdeaPad Flex 5i 14 Intel Key Specs

Launched in February 2022
14.0" TouchScreen - IPS LCD, 16:10 Aspect Ratio Display
CPU: Intel Core i3 1215U
GPU: Intel UHD Graphics (64EU)
4GB Ram
313.1 x 224.9 x 17.4-18.9 mm (12.33 x 8.85 x 0.69-0.74 inches)
Weight: 1.6 kg (3.53 lbs)

LG Gram 14 2021 Key Specs

Launched in January 2021
14.0" IPS LCD, 16:10 Aspect Ratio Display
CPU: Intel Core i5 1135G7
GPU: Intel Iris Xe Graphics G7 (80EU)
8GB Ram
313.4 x 215.2 x 16.8 mm (12.34 x 8.47 x 0.66 inches)
Weight: 0.99 kg (2.18 lbs)

Let's read on the following sections in order to better understand in detail how IdeaPad Flex 5i 14 Intel and Gram 14 2021 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 IdeaPad Flex 5i 14 Intel over LG Gram 14 2021

Side Bezel Thickness	5.8 mm vs 5.9 mm	0.1 mm thinner bezels
Touch Screen	Yes vs No	Interact with your fingers
Response Time	25 ms vs 34 ms	Faster Response screen
GPU FLOPS	1.43 TFLOPS vs 1.41 TFLOPS	Faster RAM
RAM BUS	PCI-E Gen 4.0 (4x) vs PCI-E Gen 3.0 (4x)	3D Surround Sound Support
Dolby Atmos Speakers	Yes vs No	Generates higher sound levels
Speaker Loudness	79.3 dB vs 76.8 dB	Higher Resolution Camera
Webcam Resolution	1920 x 1080 vs 1280 x 720	Larger Touchpad Area
Touchpad Size	12.0 x 7.5 cm vs 11.0 x 7.0 cm

Reasons to choose LG Gram 14 2021 over Lenovo IdeaPad Flex 5i 14 Intel

Weight	0.99 kg vs 1.60 kg	0.61 kg lighter
Screen-to-Body Ratio	~84.3% vs ~80.7%	Larger screen area ratio
Noise Level	30.5 dB vs 42.2 dB	Less fan noise
sRGB Color Space	100% vs 63.6%	Wider sRGB Color Space Coverage
DCI-P3 Color Gamut	97.5% vs 42.6%	Wider DCI-P3 Color Gamut
Adobe RGB Profile	85.2% vs 44.1%	Wider Adobe RGB Coverage
Max Brightness	350 nits vs 300 nits	Brighter Screen
Number of USB-C Ports	2x USB 4.0 vs 1x USB 3.2	Connect more device at the same time
USB-C Port Type	v4.0 vs v3.2	Faster USB-C connection
HDMI Version	2.0 vs 1.4	Better HDMI connectivity

Common Strengths of LG Gram 14 2021 and Lenovo IdeaPad Flex 5i 14 Intel

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
RAM Type	PCI-E Gen 4.0 (4x) vs PCI-E Gen 3.0 (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 v6	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
Thunderbolt Port	v4 vs v4	Fast data and power transfer via Thunderbolt Port
HDMI Output	1x HDMI 1.4 vs 1x HDMI 1.4	Connect to External Displays via HDMI cable
VGA Output	No vs No	Connect to External Displays via VGA cable
Built-in SD Card Reader	Yes vs Yes	Read & Write SD Cards
Keyboard Backlight	Yes vs Yes	Easily see the keys under low light

Common Weaknesses of LG Gram 14 2021 and Lenovo IdeaPad Flex 5i 14 Intel

HDR Support	No vs No	No HDR Support
Upgradable RAM	No vs No	No Option to increase the RAM size

Lenovo IdeaPad Flex 5i 14 Intel vs LG Gram 14 2021: Physical Specs Comparison

In this section, we will be comparing the physical specifications and body features of the Lenovo IdeaPad Flex 5i 14 Intel and the LG Gram 14 2021.

Physical Specs
Weight	1.6 kg (3.53 lbs)	0.99 kg (2.18 lbs)
Surface Area	704 cm2 (109.1 inches2)	674 cm2 (104.5 inches2)
Screen to Surface Ratio	~80.7%	~84.3%
Side Bezel Thickness	~5.8 mm	~5.9 mm
Weight per Inch of Screen	0.11 kg/inch	0.07 kg/inch
	0.242 lbs/inch	0.154 lbs/inch
Colors	Gray, Blue	White, Black, Silver

Comparison of the Lenovo IdeaPad Flex 5i 14 Intel and the LG Gram 14 2021 External Dimensions

Weight

IdeaPad Flex 5i 14 Intel weighs 1.6 kg (3.53 lbs), whereas the Gram 14 2021 weighs 0.99 kg (2.18 lbs). There is a notable difference in weight between these two laptops. The weight difference between the two laptops is not significant.

Weight Comparison

Displays size 14.0-14.9 inches

Lenovo IdeaPad Flex 5i 14 Intel 1.60 kg

LG Gram 14 2021 0.99 kg

Min 0.88 kg

Average 1.42 kg

Max 2.19 kg

Thickness Comparison

Displays size 14.0-14.9 inches

Lenovo IdeaPad Flex 5i 14 Intel 17.40 mm

LG Gram 14 2021 16.80 mm

Min 8.40 mm

Average 17.12 mm

Max 32.50 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 IdeaPad Flex 5i 14 Intel is 0.11 kg/inch.In comparison, this value for the LG Gram 14 2021 is 0.07 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 IdeaPad Flex 5i 14 Intel vs LG Gram 14 2021: Internals (CPU, GPU, RAM, Battery, SSD, etc.) Comparison

CPU Comparison

CPU Model	Intel Core i3 1215U Intel Core i5 1235U Intel Core i7 1255U	Intel Core i5 1135G7 Intel Core i7 1165G7
Base Frequency	1.2 GHz	0.9-2.4 GHz
Turbo Frequency	4.4 GHz	4.2 GHz
Number of Cores	6	4
Number of Threads	8	8
L3 Cache	10 MB	8 MB
Integrated GPU	Intel UHD Graphics (64EU)	Iris Xe Graphics G7 80EU
CPU Fabrication Process	10 nm	10 nm
Geekbench 5 (Single)	1583	1324
Geekbench 5 (Multi)	6048	4633
Cinebench 23 (Single)	1586	1355
Cinebench 23 (Multi)	5803	5087

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 IdeaPad Flex 5i 14 Intel and LG Gram 14 2021.

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

Laptops with: Intel Core i3 1215U

Laptops with: Intel Core i5 1135G7

GPU Comparison

GPU Model	Intel UHD Graphics (64EU)	Intel Iris Xe Graphics G7 (80EU)
Base Clock Frequency	300 MHz	300 MHz
Boost CLock Frequency	1250 MHz	1100 MHz
TGP (Total Graphics Power)	15 W	15 W
Type	Integrated	Integrated
FLOPS	1,280 GFLOPS	1,408 GFLOPS
Memory Size	System Shared	System Shared
Memory Type	System Shared	System Shared
Memory Bus	System Shared	System Shared
Memory Speed	System Shared	System Shared
Shading Units Cores	512	640
TMUs	32	40
ROPs	16	20

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 IdeaPad Flex 5i 14 Intel has a FLOPS value of 1.43 TFLOPS whereas the LG Gram 14 2021 ' has a FLOPS value of 1.41 TFLOPS. If graphical performance of the laptop is important for your use type, the Lenovo IdeaPad Flex 5i 14 Intel may be the better choice between these two setups.

RAM Comparison

RAM	4GB 8GB 16GB	8GB 16GB
RAM Clock	4266 MHz	4266 MHz
RAM Type	LPDDR4X	LPDDR4X
Upgradable	No	No
Memory Bus	PCI-E Gen 4.0 (4x)	PCI-E Gen 3.0 (4x)

The Gram 14 2021 provides a larger RAM capacity of 8 GB, which allows for smoother multitasking and improved performance in memory-demanding tasks compared to the IdeaPad Flex 5i 14 Intel's RAM capacity of 4 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 IdeaPad Flex 5i (14"Intel)	LG Gram 14 (2021)
Small Models(1-3B):Examples: Phi-2, Qwen-1.8B	✖ Not supported.	✔ 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	52.5 Wh	72 Wh
Battery Type	Li-Po	Li-Ion
Replaceable	No	No
Fast Charging	No	No
USB Power Delivery	Yes	Yes
Charging Port Position	Left	Left
Charge Power	65 W	65 W
AC Adapter Weight	350 grams	298 gramm

On the other hand, the Gram 14 2021 features a higher battery capacity of 72 Wh, delivering longer usage time compared to the IdeaPad Flex 5i 14 Intel's 53 Wh.

Battery Comparison

Displays size 14.0-14.9 inches

Lenovo IdeaPad Flex 5i 14 Intel 53 Wh

LG Gram 14 2021 72 Wh

Min 32.00 Wh

Average 55.79 Wh

Max 90.00 Wh

STORAGE
Both laptops, the IdeaPad Flex 5i 14 Intel and the Gram 14 2021 have similar max. storage capacities of 1 TB, allowing for ample space to store files and applications.

Storage Options	128 GB, 256 GB, 512 GB, 1 TB	256 GB, 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.

Lenovo IdeaPad Flex 5i 14 Intel vs LG Gram 14 2021: Display Comparison

The display is an essential aspect to consider when comparing the Lenovo IdeaPad Flex 5i 14 Intel and LG Gram 14 2021 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. Both IdeaPad Flex 5i 14 Intel and Gram 14 2021 screens have the same size of 14.0".The total usable screen area of the IdeaPad Flex 5i 14 Intel is 568cm² / 88inch² whereas the Gram 14 2021's total usable screen area is 568cm² / 88inch².

PPI (Pixels per Inch)
Both IdeaPad Flex 5i 14 Intel and Gram 14 2021 feature the same pixel density with 162 pixels per inch (PPI).

Screen PPI (Pixels Per Inch) Comparison

Displays size 14.0-14.9 inches

Lenovo IdeaPad Flex 5i 14 Intel 162 ppi

LG Gram 14 2021 162 ppi

Min 112 PPI

Average 173 PPI

Max 323.00 PPI

Refresh Rate
Both IdeaPad Flex 5i 14 Intel and Gram 14 2021 offer the same refresh rate of 60 Hz.

Furthermore, the IdeaPad Flex 5i 14 Intel boasts a faster response time of 25.0 ms, reducing motion blur for fast-paced content.

Brightness
The Gram 14 2021 offers a higher maximum brightness of 350 nits, delivering a brighter screen.

Brightness Comparison

Displays size 14.0-14.9 inches

Lenovo IdeaPad Flex 5i 14 Intel 300 nits

LG Gram 14 2021 350 nits

Min

200 nits

Average 383 nits

Max 1200.00 nits

Lenovo IdeaPad Flex 5i 14 Intel vs LG Gram 14 2021 Connectivity Comparison

In terms of connectivity,

Wifi
Both laptops offer the same Wi-Fi standard (v6), 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 IdeaPad Flex 5i 14 Intel and Gram 14 2021 feature 2x USB 3.2 USB-A ports.
Both IdeaPad Flex 5i 14 Intel and Gram 14 2021 have USB Type-C ports. IdeaPad Flex 5i 14 Intel has 1x USB 3.2 USB Type-C ports, while Gram 14 2021 has 2x USB 4.0 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
Both IdeaPad Flex 5i 14 Intel and Gram 14 2021 are equipped with Thunderbolt 4 ports.

HDMI
Both IdeaPad Flex 5i 14 Intel and Gram 14 2021 feature an HDMI port. IdeaPad Flex 5i 14 Intel offers 1x HDMI 1.4, while Gram 14 2021 offers 1x HDMI 2.0.

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 IdeaPad Flex 5i 14 Intel and Gram 14 2021 come with an SD Card Reader for easy access to memory cards.

Audio Jack
Both IdeaPad Flex 5i 14 Intel and Gram 14 2021 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	v6
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)	1x USB 3.2	2x USB 4.0
Thunderbolt (latest: 4)	Thunderbolt 4	Thunderbolt 4
HDMI (latest: 2.1)	1x HDMI 1.4	1x HDMI 2.0
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	No