Lenovo Slim 7 Pro X 14-inch AMD vs ASUS ExpertBook B9 B9400 Comparison

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Lenovo Slim 7 Pro X 14-inch AMD

14.5 inches | May 2022

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ASUS ExpertBook B9 B9400

14 inches | January 2021

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Lenovo Slim 7 Pro X 14-inch AMD vs ASUS ExpertBook B9 B9400 Comparison Overview

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In this review, we will be comparing Slim 7 Pro X 14-inch AMD and ExpertBook B9 B9400, two laptops from Lenovo and ASUS. Lenovo Slim 7 Pro X 14-inch AMD was introduced to market in May 2022 and ASUS ExpertBook B9 B9400 was launched in January 2021. There is 16 months difference between Slim 7 Pro X 14-inch AMD and ExpertBook B9 B9400 so it would still give an advantage to younger Slim 7 Pro X 14-inch AMD.

Click for Available Configurations of the Laptops

Here is a brief look at the main features of Lenovo Slim 7 Pro X 14-inch AMD and ASUS ExpertBook B9 B9400 before getting into our more detailed comparison.

Lenovo Slim 7 Pro X 14-inch AMD Key Specs

Launched in May 2022
14.5" IPS LCD, 16:10 Aspect Ratio Display
CPU: AMD Ryzen 5 6600HSâ€‹
GPU: GeForce GTX 1650 Mobile 4GB
16GB Ram
328.2 x 221.4 x 15.9 mm (12.92 x 8.72 x 0.63 inches)
Weight: 1.45 kg (3.2 lbs)

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)

Let's read on the following sections in order to better understand in detail how Slim 7 Pro X 14-inch AMD and ExpertBook B9 B9400 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 Slim 7 Pro X 14-inch AMD over ASUS ExpertBook B9 B9400

Screen-to-Body Ratio	~83.9% vs ~83.2%	Larger screen area ratio
Display Size	14.5 inches vs 14 inches	Larger Screen Estate
Refresh Rate	120 Hz vs 60 Hz	Smoother media experience
Screen PPI	250 ppi vs 157 ppi	More pixels per inch
Screen Resolution	3072 x 1920 pixels vs 1920 x 1080 pixels	Higher pixel count screen
sRGB Color Space	100% vs 98.7%	Wider sRGB Color Space Coverage
CPU Fabrication Process	6 nm vs 10 nm	Newer Generation CPU
GPU FLOPS	3.195 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	v5.1 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

Reasons to choose ASUS ExpertBook B9 B9400 over Lenovo Slim 7 Pro X 14-inch AMD

Weight	0.88 kg vs 1.45 kg	0.57 kg lighter
Side Bezel Thickness	5.1 mm vs 7.9 mm	2.8 mm thinner bezels
Contrast Rate	1507:1 vs 1500:1	more pleasing colors
Max Brightness	450 nits vs 400 nits	Brighter Screen
GPU Fabrication Process	10 nm vs 12 nm	Newer Generation GPU
Fingerprint Sensor	Yes vs No	Easy login with fingerprint
Thunderbolt	v4 vs No	Support audio, data, power and video all through one single port
HDMI Port	1x HDMI 2.0 vs No	Connect to external monitors directly via HDMI cable
Display Port	Yes vs No	Option to use Display port to connect to external monitors

Common Strengths of ASUS ExpertBook B9 B9400 and Lenovo Slim 7 Pro X 14-inch AMD

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
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 ASUS ExpertBook B9 B9400 and Lenovo Slim 7 Pro X 14-inch AMD

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

Lenovo Slim 7 Pro X 14-inch AMD vs ASUS ExpertBook B9 B9400: Physical Specs Comparison

In this section, we will be comparing the physical specifications and body features of the Lenovo Slim 7 Pro X 14-inch AMD and the ASUS ExpertBook B9 B9400.

Physical Specs
Weight	1.45 kg (3.2 lbs)	0.88 kg (1.94 lbs)
Surface Area	727 cm2 (112.7 inches2)	650 cm2 (100.7 inches2)
Screen to Surface Ratio	~83.9%	~83.2%
Side Bezel Thickness	~7.9 mm	~5.1 mm
Weight per Inch of Screen	0.10 kg/inch	0.06 kg/inch
	0.22 lbs/inch	0.132 lbs/inch
Colors	Gray	Black
Cover Opening Angle	180Â°	180Â°

Comparison of the Lenovo Slim 7 Pro X 14-inch AMD and the ASUS ExpertBook B9 B9400 External Dimensions

Weight

Slim 7 Pro X 14-inch AMD weighs 1.45 kg (3.2 lbs), whereas the ExpertBook B9 B9400 weighs 0.88 kg (1.94 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

Lenovo Slim 7 Pro X 14-inch AMD 1.45 kg

ASUS ExpertBook B9 B9400 0.88 kg

Min 0.88 kg

Average 1.42 kg

Max 2.19 kg

Thickness Comparison

Displays size 14.0-14.9 inches

Lenovo Slim 7 Pro X 14-inch AMD 15.90 mm

ASUS ExpertBook B9 B9400 14.90 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 Lenovo Slim 7 Pro X 14-inch AMD is 0.10 kg/inch.In comparison, this value for the ASUS ExpertBook B9 B9400 is 0.06 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 Slim 7 Pro X 14-inch AMD vs ASUS ExpertBook B9 B9400: Internals (CPU, GPU, RAM, Battery, SSD, etc.) Comparison

CPU Comparison

CPU Model	AMD Ryzen 5 6600HSâ€‹ AMD Ryzen 7 6800HS AMD Ryzen 9 6900HS	Intel Core i5 1135G7 Intel Core i5 1145G7 Intel Core i7 1165G7 Intel Core i7 1185G7
Base Frequency	3.3 GHz	0.9-2.4 GHz
Turbo Frequency	4.5 GHz	4.2 GHz
Number of Cores	6	4
Number of Threads	12	8
L3 Cache	16 MB	8 MB
Integrated GPU	AMD Radeon 660M	Iris Xe Graphics G7 80EU
CPU Fabrication Process	6 nm	10 nm

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 Slim 7 Pro X 14-inch AMD and ASUS ExpertBook B9 B9400.

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

Laptops with: AMD Ryzen 5 6600HSâ€‹

Laptops with: Intel Core i5 1135G7

GPU Comparison

GPU Model	GeForce GTX 1650 Mobile 4GB GeForce RTX 3050 Mobile 4GB	Intel Iris Xe Graphics G7 (80EU)
Base Clock Frequency	1380 MHz	300 MHz
Boost CLock Frequency	1515 MHz	1100 MHz
TGP (Total Graphics Power)	50 W	15 W
Nvidia Optimus	Yes, Advanced Optimus
Type	Dedicated	Integrated
FLOPS	3.103 TFLOPS	1,408 GFLOPS
Memory Size	4 GB	System Shared
Memory Type	GDDR6	System Shared
Memory Bus	128 bit	System Shared
Memory Speed	1500 MHz 12 Gbps effective	System Shared
Shading Units Cores	1024	640
TMUs	64	40
ROPs	32	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 Slim 7 Pro X 14-inch AMD has a FLOPS value of 3.195 TFLOPS whereas the ASUS ExpertBook B9 B9400 ' has a FLOPS value of 1.41 TFLOPS. If graphical performance of the laptop is important for your use type, the Lenovo Slim 7 Pro X 14-inch AMD may be the better choice between these two setups.

RAM Comparison

RAM	16GB 32GB	8GB 16GB 32GB
Memory Bus	2x8 GB	1x8 GB
RAM Clock	6400 MHz	3733 MHz
RAM Type	LPDDR5	LPDDR4X
Upgradable	No	No
Memory Bus	PCI-E Gen 4.0 (4x)	PCI-E Gen 3.0 (4x)

With a larger RAM capacity of 16 GB, the Slim 7 Pro X 14-inch AMD offers an advantage for multitasking and resource-intensive applications 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	Lenovo Slim 7 Pro X (14" AMD)	ASUS ExpertBook B9 (B9400)
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	33 Wh 66 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	100 W	65 W

Moreover, the Slim 7 Pro X 14-inch AMD boasts a larger battery capacity of 70 Wh, offering extended usage time compared to the ExpertBook B9 B9400's33 Wh.

Battery Comparison

Displays size 14.0-14.9 inches

Lenovo Slim 7 Pro X 14-inch AMD 70 Wh

ASUS ExpertBook B9 B9400 33 Wh

Min 32.00 Wh

Average 55.79 Wh

Max 90.00 Wh

STORAGE
The ExpertBook B9 B9400 offers a larger max storage capacity of 2 TB, providing more room for storing files and data compared to the Slim 7 Pro X 14-inch AMD's storage capacity of 1 TB.

Storage Options	512 GB, 1 TB	512 GB, 1 TB, 1 TB, 2 TB, 2 TB
Upgradable	Yes	Yes
Total Slots	1	2
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 Slim 7 Pro X 14-inch AMD vs ASUS ExpertBook B9 B9400: Display Comparison

The display is an essential aspect to consider when comparing the Lenovo Slim 7 Pro X 14-inch AMD and ASUS ExpertBook B9 B9400 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. Slim 7 Pro X 14-inch AMD has a display size of 14.5".On the other hand, ExpertBook B9 B9400 has a smaller 14.0" display.The total usable screen area of the Slim 7 Pro X 14-inch AMD is 610cm² / 94inch² whereas the ExpertBook B9 B9400's total usable screen area is 540cm² / 84inch².

PPI (Pixels per Inch)
Additionally, the Slim 7 Pro X 14-inch AMD features a higher pixel density with 250 pixels per inch (PPI), ensuring sharper image details.

Screen PPI (Pixels Per Inch) Comparison

Displays size 14.0-14.9 inches

Lenovo Slim 7 Pro X 14-inch AMD 250 ppi

ASUS ExpertBook B9 B9400 157 ppi

Min 112 PPI

Average 173 PPI

Max 323.00 PPI

Refresh Rate
The Slim 7 Pro X 14-inch AMD 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

Lenovo Slim 7 Pro X 14-inch AMD 400 nits

ASUS ExpertBook B9 B9400 450 nits

Min

200 nits

Average 383 nits

Max 1200.00 nits

Lenovo Slim 7 Pro X 14-inch AMD vs ASUS ExpertBook B9 B9400 Connectivity Comparison

In terms of connectivity,

Wifi
Slim 7 Pro X 14-inch AMD 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 Slim 7 Pro X 14-inch AMD and ExpertBook B9 B9400 have USB-A ports. Slim 7 Pro X 14-inch AMD has 2x USB 3.2 USB-A ports, while ExpertBook B9 B9400 has 1x USB 3.2 USB-A ports.
Both Slim 7 Pro X 14-inch AMD and ExpertBook B9 B9400 feature 2x 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
ExpertBook B9 B9400 is equipped with Thunderbolt 4 port. Slim 7 Pro X 14-inch AMD does not have Thunderbolt port.

HDMI
ExpertBook B9 B9400 features an HDMI port (1x HDMI 2.0) for connecting to external monitors. Slim 7 Pro X 14-inch AMD does not have an HDMI port.

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
Neither Slim 7 Pro X 14-inch AMD nor ExpertBook B9 B9400 has an SD Card Reader.

Audio Jack
Both Slim 7 Pro X 14-inch AMD and ExpertBook B9 B9400 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
USB-A (latest: 3.2)	2x USB 3.2	1x USB 3.2
USB Type-C (latest: USB4 2.0)	2x USB 3.2	2x USB 3.2
Thunderbolt (latest: 4)	No	Thunderbolt 4
HDMI (latest: 2.1)	No	1x HDMI 2.0
Display Port (latest: v2.0)	No	1x v1.4
VGA	No	No
Fingerprint Sensor	No	Yes
Optical Drive	No	No
Audio Jack 3.5mm	Yes	Yes
Ethernet RJ45	No	No
SD CardReader	No	No
Proprietary Charging Port	No	No