ASUS ExpertBook B9 B9400 vs Acer Swift X SFX14-71G Comparison

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ASUS ExpertBook B9 B9400

14 inches | January 2021

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Acer Swift X SFX14-71G

14.5 inches | January 2023

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ASUS ExpertBook B9 B9400 vs Acer Swift X SFX14-71G Comparison Overview

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In this review, we will be comparing ExpertBook B9 B9400 and Swift X SFX14-71G, two laptops from ASUS and Acer. ASUS ExpertBook B9 B9400 was introduced to market in January 2021 and Acer Swift X SFX14-71G was launched in January 2023. As you can see, ExpertBook B9 B9400 is 2 years older than Swift X SFX14-71G. 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 B9400 and Acer Swift X SFX14-71G before getting into our more detailed comparison.

ASUS ExpertBook B9 B9400 Key Specs

Launched in January 2021
14.0" IPS LCD, 16:9 Aspect Ratio Display
CPU: Intel Core i5 1135G7
GPU: Intel Iris Xe Graphics G7 (80EU)
8GB Ram
320 x 203 x 14.9 mm (12.6 x 7.99 x 0.59 inches)
Weight: 0.88 kg (1.94 lbs)

Acer Swift X SFX14-71G Key Specs

Launched in January 2023
14.5" IPS LCD, 16:10 Aspect Ratio Display
CPU: Intel Core i5 13500H
GPU: GeForce RTX 3050 Mobile 6GB
16GB Ram
322.79 x 228.12 x 17.9 mm (12.71 x 8.98 x 0.7 inches)
Weight: 1.55 kg (3.42 lbs)

Let's read on the following sections in order to better understand in detail how ExpertBook B9 B9400 and Swift X SFX14-71G 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 B9400 over Acer Swift X SFX14-71G

Weight	0.88 kg vs 1.55 kg	0.67 kg lighter
Screen-to-Body Ratio	~83.2% vs ~82.8%	Larger screen area ratio
Side Bezel Thickness	5.1 mm vs 5.2 mm	0.1 mm thinner bezels
Noise Level	47.5 dB vs 52.2 dB	Less fan noise
Screen Opening Angle	180° vs 130°	More flexible screen
sRGB Color Space	98.7% vs 98%	Wider sRGB Color Space Coverage
Max Brightness	450 nits vs 400 nits	Brighter Screen
Speaker Loudness	77.7 dB vs 77.6 dB	Generates higher sound levels
Display Port	Yes vs No	Option to use Display port to connect to external monitors

Reasons to choose Acer Swift X SFX14-71G over ASUS ExpertBook B9 B9400

Display Size	14.5 inches vs 14 inches	Larger Screen Estate
Refresh Rate	120 Hz vs 60 Hz	Smoother media experience
Screen PPI	208 ppi vs 157 ppi	More pixels per inch
Screen Resolution	2560 x 1600 pixels vs 1920 x 1080 pixels	Higher pixel count screen
GPU Fabrication Process	8 nm vs 10 nm	Newer Generation GPU
GPU FLOPS	5.8 TFLOPS vs 1.41 TFLOPS	Dedicated GPU unit
GPU Type	Dedicated vs Integrated	Faster RAM Type
RAM Type	LPDDR5 vs LPDDR4X	Faster RAM
RAM BUS	PCI-E Gen 4.0 (4x) vs PCI-E Gen 3.0 (4x)	More advanced Bluetooth connectivity
Bluetooth	v5.2 vs v5	Higher Resolution Camera
Webcam Resolution	1920 x 1080 vs 1280 x 720	Connect more device at the same time
Number of USB-A Ports	2x USB 3.2 vs 1x USB 3.2	Faster USB-C connection
USB-C Port Type	v4.0 vs v3.2	Better HDMI connectivity
HDMI Version	2.1 vs 2.0	Read & Write SD Cards with the built-in reader
SD Card Reader	Yes vs No

Common Strengths of Acer Swift X SFX14-71G and ASUS ExpertBook B9 B9400

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 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
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 2.0 vs 1x HDMI 2.0	Connect to External Displays via HDMI cable
VGA Output	No vs No	Connect to External Displays via VGA cable
Keyboard Backlight	Yes vs Yes	Easily see the keys under low light

Common Weaknesses of Acer Swift X SFX14-71G and ASUS ExpertBook B9 B9400

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 B9400 vs Acer Swift X SFX14-71G: Physical Specs Comparison

In this section, we will be comparing the physical specifications and body features of the ASUS ExpertBook B9 B9400 and the Acer Swift X SFX14-71G.

Physical Specs
Weight	0.88 kg (1.94 lbs)	1.55 kg (3.42 lbs)
Surface Area	650 cm2 (100.7 inches2)	736 cm2 (114.1 inches2)
Screen to Surface Ratio	~83.2%	~82.8%
Side Bezel Thickness	~5.1 mm	~5.2 mm
Weight per Inch of Screen	0.06 kg/inch	0.11 kg/inch
	0.132 lbs/inch	0.242 lbs/inch
Colors	Black	Gray
Cover Opening Angle	180Â°	130Â°

Comparison of the ASUS ExpertBook B9 B9400 and the Acer Swift X SFX14-71G External Dimensions

Weight

ExpertBook B9 B9400 weighs 0.88 kg (1.94 lbs), whereas the Swift X SFX14-71G weighs 1.55 kg (3.42 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

Displays size 14.0-14.9 inches

ASUS ExpertBook B9 B9400 0.88 kg

Acer Swift X SFX14-71G 1.55 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 B9400 14.90 mm

Acer Swift X SFX14-71G 17.90 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 B9400 is 0.06 kg/inch.In comparison, this value for the Acer Swift X SFX14-71G 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

ASUS ExpertBook B9 B9400 vs Acer Swift X SFX14-71G: Internals (CPU, GPU, RAM, Battery, SSD, etc.) Comparison

CPU Comparison

CPU Model	Intel Core i5 1135G7 Intel Core i5 1145G7 Intel Core i7 1165G7 Intel Core i7 1185G7	Intel Core i5 13500H Intel Core i7 13700H
Base Frequency	0.9-2.4 GHz	2.6 GHz
Turbo Frequency	4.2 GHz	4.7 GHz
Number of Cores	4	12
Number of Threads	8	16
L3 Cache	8 MB	18 MB
Integrated GPU	Iris Xe Graphics G7 80EU	Intel Iris Xe Graphics (80EU)
CPU Fabrication Process	10 nm	10 nm
Geekbench 5 (Single)	1324	1730
Geekbench 5 (Multi)	4633	11090
Cinebench 23 (Single)	1355	1816
Cinebench 23 (Multi)	5087	14071

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 B9400 and Acer Swift X SFX14-71G.

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

Laptops with: Intel Core i5 1135G7

Laptops with: Intel Core i5 13500H

GPU Comparison

GPU Model	Intel Iris Xe Graphics G7 (80EU)	GeForce RTX 3050 Mobile 6GB GeForce RTX 4050 Mobile 6GB
Base Clock Frequency	300 MHz	1185 MHz
Boost CLock Frequency	1100 MHz	1417 MHz
TGP (Total Graphics Power)	15 W	50 W
Type	Integrated	Dedicated
FLOPS	1,408 GFLOPS	5.8 TFLOPS
Memory Size	System Shared	6 GB
Memory Type	System Shared	GDDR6
Memory Bus	System Shared	128 bit
Memory Speed	System Shared	12 Gbps
Shading Units Cores	640	2048
TMUs	40	64
ROPs	20	40

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 B9400 has a FLOPS value of 1.41 TFLOPS whereas the Acer Swift X SFX14-71G ' has a FLOPS value of 5.8 TFLOPS. If graphical performance of the laptop is important for your use type, the Acer Swift X SFX14-71G may be the better choice between these two setups.

RAM Comparison

RAM	8GB 16GB 32GB	16GB
Memory Bus	1x8 GB	2x8 GB
RAM Clock	3733 MHz	5200 MHz
RAM Type	LPDDR4X	LPDDR5
Upgradable	No	No
Total Slots	2
Memory Bus	PCI-E Gen 3.0 (4x)	PCI-E Gen 4.0 (4x)

The Swift X SFX14-71G provides a larger RAM capacity of 16 GB, which allows for smoother multitasking and improved performance in memory-demanding tasks compared to the ExpertBook B9 B9400'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	ASUS ExpertBook B9 (B9400)	Acer Swift X (SFX14-71G)
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	33 Wh 66 Wh	76 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	100 W
Full Charging Time	1:30 hr	1:25 hr
AC Adapter Weight	325 gramm

On the other hand, the Swift X SFX14-71G features a higher battery capacity of 76 Wh, delivering longer usage time compared to the ExpertBook B9 B9400's 33 Wh.

Battery Comparison

Displays size 14.0-14.9 inches

ASUS ExpertBook B9 B9400 33 Wh

Acer Swift X SFX14-71G 76 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 B9400 provides more space for storing files and applications compared to the Swift X SFX14-71G's max. storage capacity of 1 TB.

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

ASUS ExpertBook B9 B9400 vs Acer Swift X SFX14-71G: Display Comparison

The display is an essential aspect to consider when comparing the ASUS ExpertBook B9 B9400 and Acer Swift X SFX14-71G 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. ExpertBook B9 B9400 has a display size of 14.0".On the other hand, Swift X SFX14-71G has a larger14.5" display.The total usable screen area of the ExpertBook B9 B9400 is 540cm² / 84inch² whereas the Swift X SFX14-71G's total usable screen area is 610cm² / 94inch².

PPI (Pixels per Inch)
Additionally, the Swift X SFX14-71G features a higher pixel density with 208 pixels per inch (PPI), ensuring sharper image details.

Screen PPI (Pixels Per Inch) Comparison

Displays size 14.0-14.9 inches

ASUS ExpertBook B9 B9400 157 ppi

Acer Swift X SFX14-71G 208 ppi

Min 112 PPI

Average 173 PPI

Max 323.00 PPI

Refresh Rate
The Swift X SFX14-71G offers a higher refresh rate of 120 Hz, resulting in smoother motion and improved visual experience.

Brightness
The ExpertBook B9 B9400 offers a higher maximum brightness of 450 nits, delivering a brighter screen.

Brightness Comparison

Displays size 14.0-14.9 inches

ASUS ExpertBook B9 B9400 450 nits

Acer Swift X SFX14-71G 400 nits

Min

200 nits

Average 383 nits

Max 1200.00 nits

ASUS ExpertBook B9 B9400 vs Acer Swift X SFX14-71G Connectivity Comparison

In terms of connectivity,

Wifi
Swift X SFX14-71G features a more advanced Wi-Fi standard v6E, providing faster and more reliable wireless connections compared to ExpertBook B9 B9400 (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 B9400 and Swift X SFX14-71G have USB-A ports. ExpertBook B9 B9400 has 1x USB 3.2 USB-A ports, while Swift X SFX14-71G has 2x USB 3.2 USB-A ports.
Both ExpertBook B9 B9400 and Swift X SFX14-71G have USB Type-C ports. ExpertBook B9 B9400 has 2x USB 3.2 USB Type-C ports, while Swift X SFX14-71G 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 ExpertBook B9 B9400 and Swift X SFX14-71G are equipped with Thunderbolt 4 ports.

HDMI
Both ExpertBook B9 B9400 and Swift X SFX14-71G feature an HDMI port. ExpertBook B9 B9400 offers 1x HDMI 2.0, while Swift X SFX14-71G offers 1x HDMI 2.1.

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
Swift X SFX14-71G is equipped with an SD Card Reader for easy access to memory cards. ExpertBook B9 B9400 does not have an SD Card Reader.

Audio Jack
Both ExpertBook B9 B9400 and Swift X SFX14-71G 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	v5.2
USB-A (latest: 3.2)	1x USB 3.2	2x USB 3.2
USB Type-C (latest: USB4 2.0)	2x USB 3.2	2x USB 4.0
Thunderbolt (latest: 4)	Thunderbolt 4	Thunderbolt 4
HDMI (latest: 2.1)	1x HDMI 2.0	1x HDMI 2.1
Display Port (latest: v2.0)	1x v1.4	No
VGA	No	No
Fingerprint Sensor	Yes	Yes
Optical Drive	No	No
Audio Jack 3.5mm	Yes	Yes
Ethernet RJ45	No	No
SD CardReader	No	Yes
Proprietary Charging Port	No	No