LG Gram 15 2023 vs Lenovo ThinkPad T15 Gen 2 Comparison

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LG Gram 15 2023

15.6 inches | January 2023

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Lenovo ThinkPad T15 Gen 2

15.6 inches | February 2021

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LG Gram 15 2023 vs Lenovo ThinkPad T15 Gen 2 Comparison Overview

LG Gram 15 2023

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Lenovo ThinkPad T15...

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LG Gram 15 2023

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Lenovo ThinkPad T15...

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In this review, we will be comparing Gram 15 2023 and ThinkPad T15 Gen 2, two laptops from LG and Lenovo. LG Gram 15 2023 was introduced to market in January 2023 and Lenovo ThinkPad T15 Gen 2 was launched in February 2021. There is 23 months difference between Gram 15 2023 and ThinkPad T15 Gen 2 so it would still give an advantage to younger Gram 15 2023.

Click for Available Configurations of the Laptops

Here is a brief look at the main features of LG Gram 15 2023 and Lenovo ThinkPad T15 Gen 2 before getting into our more detailed comparison.

LG Gram 15 2023 Key Specs

Launched in January 2023
15.6" IPS LCD, 16:9 Aspect Ratio Display
CPU: Intel Core i7 1360P
GPU: Intel Iris Xe Graphics G7 (96EU)
8GB Ram
356.1 x 222.9 x 17.4 mm (14.02 x 8.78 x 0.69 inches)
Weight: 1.14 kg (2.51 lbs)

Lenovo ThinkPad T15 Gen 2 Key Specs

Launched in February 2021
15.6" IPS LCD, 16:9 Aspect Ratio Display
CPU: Intel Core i5 1135G7
GPU: GeForce MX450 2GB
8GB Ram
365.8 x 248 x 19.1 mm (14.4 x 9.76 x 0.75 inches)
Weight: 1.75 kg (3.86 lbs)

Let's read on the following sections in order to better understand in detail how Gram 15 2023 and ThinkPad T15 Gen 2 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 LG Gram 15 2023 over Lenovo ThinkPad T15 Gen 2

Weight	1.14 kg vs 1.75 kg	0.61 kg lighter
Screen-to-Body Ratio	~84.5% vs ~74%	Larger screen area ratio
Side Bezel Thickness	5.4 mm vs 10.2 mm	4.8 mm thinner bezels
sRGB Color Space	100% vs 60.1%	Wider sRGB Color Space Coverage
Max Brightness	350 nits vs 300 nits	Brighter Screen
GPU Fabrication Process	10 nm vs 12 nm	Newer Generation GPU
RAM Type	LPDDR5 vs DDR4	Faster RAM Type
RAM BUS	PCI-E Gen 4.0 (4x) vs PCI-E Gen 3.0 (4x)	Faster RAM
Webcam Resolution	1920 x 1080 vs 1280 x 720	Higher Resolution Camera

Reasons to choose Lenovo ThinkPad T15 Gen 2 over LG Gram 15 2023

GPU FLOPS	2.822 TFLOPS vs 1.69 TFLOPS	Dedicated GPU unit
GPU Type	Dedicated vs Integrated	More RAM Options
Upgradable RAM	Yes vs No	More advanced Bluetooth connectivity
Bluetooth	v5.2 vs v5.1	Connects to the local network via Ethernet RJ45
Ethernet RJ45 Port	Yes vs No

Common Strengths of Lenovo ThinkPad T15 Gen 2 and LG Gram 15 2023

Launch Dates	January 2023 vs February 2021	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
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
Dolby Atmos Support	Yes vs Yes	3D Surround Sound Support
Wi-Fi Standard	v6E vs v6	Fast and Reliable Wi-Fi Connections
Bluetooth Standard	v5.1 vs v5.2	Fast and Reliable Bluetooth Connections
Thunderbolt Port	v4 vs v4	Fast data and power transfer via Thunderbolt Port
HDMI Output	1x HDMI 2.0 vs 1x HDMI 2.0	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
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 ThinkPad T15 Gen 2 and LG Gram 15 2023

Touchscreen Capability	No vs No	No Touchscreen Capability
HDR Support	No vs No	No HDR Support

LG Gram 15 2023 vs Lenovo ThinkPad T15 Gen 2: Physical Specs Comparison

In this section, we will be comparing the physical specifications and body features of the LG Gram 15 2023 and the Lenovo ThinkPad T15 Gen 2.

Physical Specs
Weight	1.14 kg (2.51 lbs)	1.75 kg (3.86 lbs)
Surface Area	794 cm2 (123.1 inches2)	907 cm2 (140.5 inches2)
Screen to Surface Ratio	~84.5%	~74%
Side Bezel Thickness	~5.4 mm	~10.2 mm
Weight per Inch of Screen	0.07 kg/inch	0.11 kg/inch
	0.154 lbs/inch	0.242 lbs/inch
Colors	Black, Gray	Black, Gray

Comparison of the LG Gram 15 2023 and the Lenovo ThinkPad T15 Gen 2 External Dimensions

Weight

Gram 15 2023 weighs 1.14 kg (2.51 lbs), whereas the ThinkPad T15 Gen 2 weighs 1.75 kg (3.86 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 15.0-15.9 inches

LG Gram 15 2023 1.14 kg

Lenovo ThinkPad T15 Gen 2 1.75 kg

Min 0.99 kg

Average 1.95 kg

Max 3.32 kg

Thickness Comparison

Displays size 15.0-15.9 inches

LG Gram 15 2023 17.40 mm

Lenovo ThinkPad T15 Gen 2 19.10 mm

Min 7.70 mm

Average 20.17 mm

Max 29.00 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 LG Gram 15 2023 is 0.07 kg/inch.In comparison, this value for the Lenovo ThinkPad T15 Gen 2 is 0.11 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

LG Gram 15 2023 vs Lenovo ThinkPad T15 Gen 2: Internals (CPU, GPU, RAM, Battery, SSD, etc.) Comparison

CPU Comparison

CPU Model	Intel Core i7 1360P	Intel Core i5 1135G7 Intel Core i5 1145G7 Intel Core i7 1165G7 Intel Core i7 1185G7
Base Frequency	2.2 GHz	0.9-2.4 GHz
Turbo Frequency	5 GHz	4.2 GHz
Number of Cores	12	4
Number of Threads	16	8
L3 Cache	18 MB	8 MB
Integrated GPU	Intel Iris Xe Graphics (96EU)	Iris Xe Graphics G7 80EU
CPU Fabrication Process	10 nm	10 nm
Geekbench 5 (Single)	1838	1324
Geekbench 5 (Multi)	10754	4633
Cinebench 23 (Single)	1899	1355
Cinebench 23 (Multi)	12375	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 LG Gram 15 2023 and Lenovo ThinkPad T15 Gen 2.

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

Laptops with: Intel Core i7 1360P

Laptops with: Intel Core i5 1135G7

GPU Comparison

GPU Model	Intel Iris Xe Graphics G7 (96EU)	GeForce MX450 2GB
Base Clock Frequency	300 MHz	1395 MHz
Boost CLock Frequency	1100 MHz	1575 MHz
TGP (Total Graphics Power)	15 W	31 W
Type	Integrated	Dedicated
FLOPS	1.690 TFLOPS	2.822 TFLOPS
Memory Size	System Shared	2 GB
Memory Type	System Shared	GDDR6
Memory Bus	System Shared	64 bit
Memory Speed	System Shared	1250 MHz 10 Gbps effective
Shading Units Cores	768	896
TMUs	48	56
ROPs	24	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. LG Gram 15 2023 has a FLOPS value of 1.69 TFLOPS whereas the Lenovo ThinkPad T15 Gen 2 ' has a FLOPS value of 2.822 TFLOPS. If graphical performance of the laptop is important for your use type, the Lenovo ThinkPad T15 Gen 2 may be the better choice between these two setups.

RAM Comparison

RAM	8GB 16GB 32GB	8GB 16GB 32GB 40GB 48GB
Memory Bus	2x4 GB	1x8 GB
RAM Clock	6000 MHz	3200 MHz
RAM Type	LPDDR5	DDR4
Upgradable	No	Yes
Memory Bus	PCI-E Gen 4.0 (4x)	PCI-E Gen 3.0 (4x)

Both laptops, the Gram 15 2023 and the ThinkPad T15 Gen 2, come with similar RAM capacities of 8 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	LG Gram 15 (2023)	Lenovo ThinkPad T15 Gen 2
Small Models(1-3B):Examples: Phi-2, Qwen-1.8B	✔ Run smoothly.	✖ Not supported.
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	80 Wh	57 Wh
Battery Type	Li-Ion	Li-Po
Replaceable	No	No
Fast Charging	No	Yes
USB Power Delivery	Yes	Yes
Charging Port Position	Left	Left
Charge Power	65 W	65 W

Moreover, the Gram 15 2023 boasts a larger battery capacity of 80 Wh, offering extended usage time compared to the ThinkPad T15 Gen 2's57 Wh.

Battery Comparison

Displays size 15.0-15.9 inches

LG Gram 15 2023 80 Wh

Lenovo ThinkPad T15 Gen 2 57 Wh

Min 36.00 Wh

Average 62.1 Wh

Max 100.00 Wh

STORAGE
The ThinkPad T15 Gen 2 offers a larger max storage capacity of 2 TB, providing more room for storing files and data compared to the Gram 15 2023's storage capacity of 1 TB.

Storage Options	256 GB, 512 GB, 1 TB	256 GB, 512 GB, 1 TB, 2 TB
Upgradable	Yes	Yes
Total Slots	2	1
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.

LG Gram 15 2023 vs Lenovo ThinkPad T15 Gen 2: Display Comparison

The display is an essential aspect to consider when comparing the LG Gram 15 2023 and Lenovo ThinkPad T15 Gen 2 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 Gram 15 2023 and ThinkPad T15 Gen 2 screens have the same size of 15.6".The total usable screen area of the Gram 15 2023 is 670cm² / 104inch² whereas the ThinkPad T15 Gen 2's total usable screen area is 670cm² / 104inch².

PPI (Pixels per Inch)
Both Gram 15 2023 and ThinkPad T15 Gen 2 feature the same pixel density with 141 pixels per inch (PPI).

Screen PPI (Pixels Per Inch) Comparison

Displays size 15.0-15.9 inches

LG Gram 15 2023 141 ppi

Lenovo ThinkPad T15 Gen 2 141 ppi

Min 100 PPI

Average 144 PPI

Max 294.00 PPI

Refresh Rate
Both Gram 15 2023 and ThinkPad T15 Gen 2 offer the same refresh rate of 60 Hz.

Brightness
The Gram 15 2023 offers a higher maximum brightness of 350 nits, delivering a brighter screen.

Brightness Comparison

Displays size 15.0-15.9 inches

LG Gram 15 2023 350 nits

Lenovo ThinkPad T15 Gen 2 300 nits

Min

60 nits

Average 319 nits

Max 1000.00 nits

LG Gram 15 2023 vs Lenovo ThinkPad T15 Gen 2 Connectivity Comparison

In terms of connectivity,

Wifi
Gram 15 2023 features a more advanced Wi-Fi standard v6E, providing faster and more reliable wireless connections compared to ThinkPad T15 Gen 2 (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 Gram 15 2023 and ThinkPad T15 Gen 2 feature 2x USB 3.2 USB-A ports.
Both Gram 15 2023 and ThinkPad T15 Gen 2 feature 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 Gram 15 2023 and ThinkPad T15 Gen 2 are equipped with Thunderbolt 4 ports.

HDMI
Both Gram 15 2023 and ThinkPad T15 Gen 2 feature an HDMI port (1x HDMI 2.0) 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
Both Gram 15 2023 and ThinkPad T15 Gen 2 come with an SD Card Reader for easy access to memory cards.

Audio Jack
Both Gram 15 2023 and ThinkPad T15 Gen 2 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	v6
Bluetooth (latest: v5.4)	v5.1	v5.2
USB-A (latest: 3.2)	2x USB 3.2	2x USB 3.2
USB Type-C (latest: USB4 2.0)	2x USB 4.0	2x USB 4.0
Thunderbolt (latest: 4)	Thunderbolt 4	Thunderbolt 4
HDMI (latest: 2.1)	1x HDMI 2.0	1x HDMI 2.0
Display Port (latest: v2.0)	No	No
VGA	No	No
Fingerprint Sensor	No	Optional
Optical Drive	No	No
Audio Jack 3.5mm	Yes	Yes
Ethernet RJ45	No	Yes
SD CardReader	Yes	Yes
Proprietary Charging Port	No	No