Asus ExpertBook B9 OLED B9403 vs LG Gram 14 2021 Comparison

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Asus ExpertBook B9 OLED B9403

14 inches | January 2023

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LG Gram 14 2021

14 inches | January 2021

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Asus ExpertBook B9 OLED B9403 vs LG Gram 14 2021 Comparison Overview

Asus ExpertBook B9 O...

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LG Gram 14 2021

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LG Gram 14 2021

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In this review, we will be comparing ExpertBook B9 OLED B9403 and Gram 14 2021, two laptops from Asus and LG. Asus ExpertBook B9 OLED B9403 was introduced to market in January 2023 and LG Gram 14 2021 was launched in January 2021. As you can see, Gram 14 2021 is 2 years older than ExpertBook B9 OLED B9403. 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 Asus ExpertBook B9 OLED B9403 and LG Gram 14 2021 before getting into our more detailed comparison.

Asus ExpertBook B9 OLED B9403 Key Specs

Launched in January 2023
14.0" OLED, 16:10 Aspect Ratio Display
CPU: Intel Core i5 1335U
GPU: Intel Iris Xe Graphics G7 (80EU)
8GB Ram
311 x 215 x 15.7 mm (12.24 x 8.46 x 0.62 inches)
Weight: 0.99 kg (2.18 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 ExpertBook B9 OLED B9403 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 Asus ExpertBook B9 OLED B9403 over LG Gram 14 2021

Screen-to-Body Ratio	~85% vs ~84.3%	Larger screen area ratio
Side Bezel Thickness	4.8 mm vs 5.9 mm	1.1 mm thinner bezels
Screen PPI	243 ppi vs 162 ppi	More pixels per inch
Screen Resolution	2880 x 1800 pixels vs 1920 x 1200 pixels	Higher pixel count screen
Max Brightness	400 nits vs 350 nits	Brighter Screen
RAM Type	LPDDR5X vs LPDDR4X	Faster RAM Type
RAM BUS	PCI-E Gen 4.0 (4x) vs PCI-E Gen 3.0 (4x)	Faster RAM
Bluetooth	v5.3 vs v5.1	More advanced Bluetooth connectivity
Webcam Resolution	1920 x 1080 vs 1280 x 720	Higher Resolution Camera
HDMI Version	2.1 vs 2.0	Better HDMI connectivity
Ethernet RJ45 Port	Yes vs No	Connects to the local network via Ethernet RJ45

Reasons to choose LG Gram 14 2021 over Asus ExpertBook B9 OLED B9403

Number of USB-A Ports	2x USB 3.2 vs 1x USB 3.2	Connect more device at the same time
SD Card Reader	Yes vs No	Read & Write SD Cards with the built-in reader
Key Travel	1.6 mm vs 1.5 mm	Better typing feel

Common Strengths of LG Gram 14 2021 and Asus ExpertBook B9 OLED B9403

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	v6E vs v6	Fast and Reliable Wi-Fi 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 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
Keyboard Backlight	Yes vs Yes	Easily see the keys under low light

Common Weaknesses of LG Gram 14 2021 and Asus ExpertBook B9 OLED B9403

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

Asus ExpertBook B9 OLED B9403 vs LG Gram 14 2021: Physical Specs Comparison

In this section, we will be comparing the physical specifications and body features of the Asus ExpertBook B9 OLED B9403 and the LG Gram 14 2021.

Physical Specs
Weight	0.99 kg (2.18 lbs)	0.99 kg (2.18 lbs)
Surface Area	669 cm2 (103.6 inches2)	674 cm2 (104.5 inches2)
Screen to Surface Ratio	~85%	~84.3%
Side Bezel Thickness	~4.8 mm	~5.9 mm
Weight per Inch of Screen	0.07 kg/inch	0.07 kg/inch
	0.154 lbs/inch	0.154 lbs/inch
Colors	Black	White, Black, Silver

Comparison of the Asus ExpertBook B9 OLED B9403 and the LG Gram 14 2021 External Dimensions

Weight

Weight Comparison

Displays size 14.0-14.9 inches

Asus ExpertBook B9 OLED B9403 0.99 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

Asus ExpertBook B9 OLED B9403 15.70 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 Asus ExpertBook B9 OLED B9403 is 0.07 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

Asus ExpertBook B9 OLED B9403 vs LG Gram 14 2021: Internals (CPU, GPU, RAM, Battery, SSD, etc.) Comparison

CPU Comparison

CPU Model	Intel Core i5 1335U Intel Core i5 1345U Intel Core i7 1355U Intel Core i7 1365U	Intel Core i5 1135G7 Intel Core i7 1165G7
Base Frequency	1.3 GHz	0.9-2.4 GHz
Turbo Frequency	4.6 GHz	4.2 GHz
Number of Cores	10	4
Number of Threads	12	8
L3 Cache	12 MB	8 MB
Integrated GPU	Intel Iris Xe Graphics (80EU)	Iris Xe Graphics G7 80EU
CPU Fabrication Process	10 nm	10 nm
Geekbench 5 (Single)	1706	1324
Geekbench 5 (Multi)	7593	4633
Cinebench 23 (Single)	1726	1355
Cinebench 23 (Multi)	7438	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 Asus ExpertBook B9 OLED B9403 and LG Gram 14 2021.

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

Laptops with: Intel Core i5 1335U

Laptops with: Intel Core i5 1135G7

GPU Comparison

GPU Model	Intel Iris Xe Graphics G7 (80EU)	Intel Iris Xe Graphics G7 (80EU)
Base Clock Frequency	300 MHz	300 MHz
Boost CLock Frequency	1100 MHz	1100 MHz
TGP (Total Graphics Power)	15 W	15 W
Type	Integrated	Integrated
FLOPS	1,408 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	640	640
TMUs	40	40
ROPs	20	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. Asus ExpertBook B9 OLED B9403 has a FLOPS value of 1.41 TFLOPS whereas the LG Gram 14 2021 ' has a FLOPS value of 1.41 TFLOPS.

RAM Comparison

RAM	8GB 16GB 32GB	8GB 16GB
Memory Bus	2x4 GB	2x4 GB
RAM Clock	6400 MHz	4266 MHz
RAM Type	LPDDR5X	LPDDR4X
Upgradable	No	No
Memory Bus	PCI-E Gen 4.0 (4x)	PCI-E Gen 3.0 (4x)

Both laptops, the ExpertBook B9 OLED B9403 and the Gram 14 2021, 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	Asus ExpertBook B9 OLED (B9403)	LG Gram 14 (2021)
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	63 Wh	72 Wh
Battery Type	Li-Ion	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
Full Charging Time	1:40 hr	2:30 hr

On the other hand, the Gram 14 2021 features a higher battery capacity of 72 Wh, delivering longer usage time compared to the ExpertBook B9 OLED B9403's 63 Wh.

Battery Comparison

Displays size 14.0-14.9 inches

Asus ExpertBook B9 OLED B9403 63 Wh

LG Gram 14 2021 72 Wh

Min 32.00 Wh

Average 55.79 Wh

Max 90.00 Wh

STORAGE
With a larger storage capacity up to 2 TB, the ExpertBook B9 OLED B9403 provides more space for storing files and applications compared to the Gram 14 2021's max. storage capacity of 1 TB.

Storage Options	512 GB, 1 TB, 2 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.

Asus ExpertBook B9 OLED B9403 vs LG Gram 14 2021: Display Comparison

The display is an essential aspect to consider when comparing the Asus ExpertBook B9 OLED B9403 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 ExpertBook B9 OLED B9403 and Gram 14 2021 screens have the same size of 14.0".The total usable screen area of the ExpertBook B9 OLED B9403 is 568cm² / 88inch² whereas the Gram 14 2021's total usable screen area is 568cm² / 88inch².

PPI (Pixels per Inch)
Additionally, the ExpertBook B9 OLED B9403 features a higher pixel density with 243 pixels per inch (PPI), ensuring sharper image details.

Screen PPI (Pixels Per Inch) Comparison

Displays size 14.0-14.9 inches

Asus ExpertBook B9 OLED B9403 243 ppi

LG Gram 14 2021 162 ppi

Min 112 PPI

Average 173 PPI

Max 323.00 PPI

Refresh Rate
Both ExpertBook B9 OLED B9403 and Gram 14 2021 offer the same refresh rate of 60 Hz.

Brightness
The ExpertBook B9 OLED B9403 offers a higher maximum brightness of 400 nits, delivering a brighter screen.

Brightness Comparison

Displays size 14.0-14.9 inches

Asus ExpertBook B9 OLED B9403 400 nits

LG Gram 14 2021 350 nits

Min

200 nits

Average 383 nits

Max 1200.00 nits

Asus ExpertBook B9 OLED B9403 vs LG Gram 14 2021 Connectivity Comparison

In terms of connectivity,

Wifi
ExpertBook B9 OLED B9403 features a more advanced Wi-Fi standard v6E, providing faster and more reliable wireless connections compared to Gram 14 2021 (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 ExpertBook B9 OLED B9403 and Gram 14 2021 have USB-A ports. ExpertBook B9 OLED B9403 has 1x USB 3.2 USB-A ports, while Gram 14 2021 has 2x USB 3.2 USB-A ports.
Both ExpertBook B9 OLED B9403 and Gram 14 2021 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 ExpertBook B9 OLED B9403 and Gram 14 2021 are equipped with Thunderbolt 4 ports.

HDMI
Both ExpertBook B9 OLED B9403 and Gram 14 2021 feature an HDMI port. ExpertBook B9 OLED B9403 offers 1x HDMI 2.1, 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
Gram 14 2021 is equipped with an SD Card Reader for easy access to memory cards. ExpertBook B9 OLED B9403 does not have an SD Card Reader.

Audio Jack
Both ExpertBook B9 OLED B9403 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)	v6E	v6
Bluetooth (latest: v5.4)	v5.3	v5.1
USB-A (latest: 3.2)	1x 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 2.1	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	Yes	No
SD CardReader	No	Yes
Proprietary Charging Port	No	No