ASUS Expertbook vs ThinkPad (Full Comparison)

The legendary ThinkPad at last has a worthy opponent in the form of ExpertBook that comes with similar features and even more. Two of the most popular laptops among the Windows community, ThinkPad and ExpertBook has taken mobile computing to new heights.

The models we compare here are Asus Expertbook B9 (B9400) and the ThinkPad X1 Carbon Gen 9 laptops. We will discuss other available models too. Both computers have 11th Gen Intel processors. “Carbon Gen 9” is the model name, not the processor generation.

Who is ThinkPad X1 Carbon Gen 9 for?

  • Business and office users
  • Users who need long battery life for a whole day’s work
  • Students

Who is Expertbook B9 (B9400) for?

  • Those who travel regularly for business or office purposes
  • Those who need extra-long battery life
  • Travel bloggers and Youtubers who want to publish their work on location.

Pros and Cons

  • ThinkPad Pro: Rapid Charging 5G (LTE CAT20)1 NFC Better display Nano SIM slot
  • ThinkPad Con: Expensive No dedicated graphic card Less storage options
  • ExpertBook Pro: MS Office pre-installed Cheaper Very light weight Dedicated graphics option More storage capacity options
  • ExpertBook Con: No rapid charging No SIM slot Delete button too close to the power button

Price Comparison

ThinkPad ThinkPad X1 Carbon Gen 9 (14″) prices start at $1,439.50 with coupon applied, whereas Expertbook B9 (B9400) prices start at $1699.00. However, ThinkPad price is much higher than the ExpertBook for a model with comparable specs. You can find Think Pad prices and ThinkPad X1 Carbon Gen 9 prices on their official webpages.

Spec Comparison

ProcessorThinkPad X1 Carbon Gen 9Expertbook B9 (B9400)
Intel® Core™ i5-1135G7 (8M Cache)
Intel® Core™ i7-1165G7 (12M Cache)
Intel® Core™ i7-1185G7 vPro® (12M Cache)
Intel® Core™ i5-1145G7 vPro® (8M Cache)
GraphicsThinkPad X1 Carbon Gen 9Expertbook B9 (B9400)
Intel® Iris Xe Graphics,
NVIDIA® GeForce® MX350 
Display – 14.0-inch,FHD Anti-glareThinkPad X1 Carbon Gen 9Expertbook B9 (B9400)
16:9,IPS-level Panel, LED Backlit,400nits,sRGB: 100% (1920 x 1200) 
LCD FHD16:9,Wide view, LED Backlit,400nits,sRGB: 100%, (1920 x 1080)   
LCD FHD 16:9, (1920 x 1080), LED Backlit,400nits,sRGB: 100%   
Memory (RAM)ThinkPad X1 Carbon Gen 9Expertbook B9 (B9400)
8GB DDR4 on board, Soldered 
16GB DDR4 on board, Soldered 
32G LPDDR4X on board, Memory Max Up to:32GB  
16G LPDDR4X on board, Memory Max Up to:32GB   
8GB LPDDR4X on board,Memory Max Up to:32GB   
RAM: 8GB memory is sufficient for office and business work although it might be somewhat inadequate for more demanding tasks that requirethe graphics card. 16GB of RAM is adequate for shared graphics in basic to medium level work if it doesn’t involve heavy rendering tasks.
KeyboardThinkPad X1 Carbon Gen 9Expertbook B9 (B9400)
Backlit Keyboard
Support NumberPad   
Spill-resistant Keyboard   
Kryboard: The spill resistant keyboard is a good addition for office and business use, especially for those who travel extensively. Expertbook keyboard has more features than what we find on the ThinkPad.
PortsThinkPad X1 Carbon Gen 9Expertbook B9 (B9400)
USB 3.2 Gen 2 Type-A
Thunderbolt™ 4
HDMI 2.0b
3.5mm Combo Audio Jack
Nano SIM slot (optional with WWAN) 
BatteryThinkPad X1 Carbon Gen 9Expertbook B9 (B9400)
57WHrs, 3S1P, 3-cell Li-ion   
66WHrs, 4S1P, 4-cell Li-ion   
33WHrs, 2S1P, 2-cell Li-ion   
Type C charging
Battery: Thse batteries would easily take you through a day’s work in a business or office environment although the low level 33W battery wouldn’t last a full day.
WeightThinkPad X1 Carbon Gen 9Expertbook B9 (B9400)
Starting at 1.12kg (2.49lbs)   
1.01 kg (2.23 lbs)   
0.88 kg (1.94 lbs)   
Weight: ExpertBook is the lightest among competitors. However, ThinkPad’s minimum weight is lighter than the MacBook Air which means ThinkPad is still a very lightweight machine available in its class.
DimensionsThinkPad X1 Carbon Gen 9  Expertbook B9 (B9400)  
(W x D x H) 32.40 x 21.30 x 1.59 ~ 1.59 cm (12.76″ x 8.39″ x 0.63″ ~ 0.63″) 
(W x D x H) 314.5mm x 221.6mm x 14.9mm (12.38in x 8.72in x 0.59in) 
Microsoft OfficeThinkPad X1 Carbon Gen 9Expertbook B9 (B9400)
1-month trial for new Microsoft 365 customers. Credit card required. 
Microsoft Office Home & Business 2019 
Office Home and Student 2019 included 
WPS Office 30 days trial version 

Storage Comparison

ThinkPad X1 Carbon Gen 9

  • 256 GB PCIe SSD
  • 512 GB PCIe SSD
  • 1 TB PCIe SSD
  • Maximum capacity 2TB

Expertbook B9 (B9400)

  • 512 GB – 2TB M.2 NVMe™ PCIe® 3.0 Performance SSD
  • 2TB + 2TB M.2 NVMe™ PCIe® 3.0 Performance RAID0 SSD
  • 512GB + 512GB M.2 NVMe™ PCIe® 3.0 Performance RAID1 SSD
  • 1TB + 1TB M.2 NVMe™ PCIe® 3.0 Performance RAID1 SSD
  • 2TB + 2TB M.2 NVMe™ PCIe® 3.0 Performance RAID1 SSD

Noteworthy: Expertbook B9 (B9400) offers more capacity options. Please check their official specifications for more.

It should also be noted that Expertbook’s maximum capacity option, with the hybrid disk systems, is double that of ThinkPad.

Our advice is to not be carried away by numbers but to consider the purpose of the purchase. If a mid-level capacity is all you need, then the best decision is to save your money without going for much higher and unnecessary capacities.

Security Comparison

EXpertBook and ThinkPad offer sophisticated security options for a business and office user who needs data protection. We compared the main security features to see which product has the edge.


  • HDD User Password Protection and Security
  • BIOS Booting User Password Protection
  • Trusted Platform Module (TPM) 2.0
  • Kensington Lock
  • IR webcam with Windows Hello support
  • Fingerprint sensor
  • US MIL-STD 810H military-grade build


  • Fingerprint Reader
  • Kensington Lock
  • Human-presence detection for screen locking
  • PrivacyGuard display
  • US MIL-STD 810G military-grade build

Both computers stand shoulder to shoulder in security features. From a physically lockable Kensington lock slot, to biometrics they have considered the protection at multiple levels in the designing of these machines.

With the convenience and protection of locking and unlocking with fingerprint, both these laptops would help you safeguard you valuable data and work from unauthorized access.