Comparison of Lenovo ThinkPad P16 Gen 3 (21RQ) vs ASUS ROG Strix G18
Comparison of ASUS ROG Strix G18 vs Lenovo ThinkPad P16 Gen 3 (21RQ)

Lenovo ThinkPad P16 Gen 3 (21RQ) vs ASUS ROG Strix G18

Comparison summary

  • Lenovo ThinkPad P16 Gen 3 is hands-down winner for gaming while also being better priced.
  • For performance ASUS ROG Strix G18 has a better performing processor. ThinkPad P16 Gen 3 contains more memory.
  • ThinkPad P16 Gen 3 comes with Windows and ROG Strix G18 with Windows 11.
  • For graphics performance ROG Strix G18 has a lot better performing graphics card.
  • ThinkPad P16 Gen 3 has a higher resolution screen (WQUXGA).
  • ROG Strix G18 features a bigger display. For portability ROG Strix G18 is lighter. Its also slimmer and smaller in size.
  • ROG Strix G18 has a bigger SSD.
Compare technical specifications of Lenovo ThinkPad P16 Gen 3 (21RQ)
Compare technical specifications of ASUS ROG Strix G18

Lenovo ThinkPad P16 Gen 3 (21RQ)

ASUS ROG Strix G18

2026 modelIPS screenHigh resolution
2026 modelHigh resolution

Compare specifications

Lenovo ThinkPad P16 Gen 3 (21RQ)ASUS ROG Strix G18
Processor (CPU)?Central Processing Unit is the heart of a laptop and is responsible for executing programs.
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Intel Core Ultra 7 255HXIntel Core Ultra 9 275HX
Memory (RAM)?Memory increases the general speed and multiprocessing capabilities of a laptop.
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128gb64gb
Graphics card (GPU)?Graphics Processing Unit calculates 3D graphics and is essential for gaming and heavy programs.
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RTX PRO 2000 BlackwellGeForce RTX 5080
Screen size
16″18″
Screen resolution
WQUXGA (3840 x 2400 pixels)Quad HD (2560 x 1440 pixels)
Weight
8 lbs (3.63 kg)7.05 lbs (3.2 kg)
Size (length x width x height)
14.3 x 9.92 x 0.82 inches15.71 x 11.73 x 1.26 inches
(36.32 x 25.2 x 2.08 cm)(39.9 x 29.79 x 3.2 cm)
Operating system (OS)
WindowsWindows 11
Hard drives
4000gb SSD8000gb SSD
Release date
April 3, 2026March 17, 2026
Amazon.com List Price
$5,699.00$5,999.99
Amazon.com Lowest New Price
$5,699.00$5,999.99
Buy on Amazon.comBuy on Amazon.com

Laptop Dimensions

Lenovo ThinkPad P16 Gen 3 (21RQ)

14.3 in
36.32 cm
9.92 in
25.2 cm
Thickness: 0.82 in (2.08 cm)

ASUS ROG Strix G18

15.71 in
39.9 cm
11.73 in
29.79 cm
Thickness: 1.26 in (3.2 cm)

Compare Lenovo ThinkPad P16 Gen 3 / ASUS ROG Strix G18 vs other gaming laptops:

16″
Compare Lenovo ThinkPad P16 Gen 3 (21RQ) vs ASUS ROG Zephyrus Duo 16″ (GX651AX-DB96)
ASUS ROG Zephyrus Duo 16″
GX651AX-DB96
Runs 90% of new games on recommended RTX 5090 GPU2026 model32 GB RAMTouchscreen120hz screen
$5,498.99
18″
Compare Lenovo ThinkPad P16 Gen 3 (21RQ) vs EXcaliberPC 2025 MSI Raider 18 HX AI A2XWIG-014US
EXcaliberPC 2025 MSI Raider 18 HX AI A2XWIG-014US
Runs 90% of new games on recommended RTX 5080 GPU2026 model96 GB RAM120hz screenHigh resolution
$8,149.00
18″
Compare Lenovo ThinkPad P16 Gen 3 (21RQ) vs EXcaliberPC 2025 MSI Raider 18 HX AI A2XWIG-014US
EXcaliberPC 2025 MSI Raider 18 HX AI A2XWIG-014US
Runs 90% of new games on recommended RTX 5080 GPU2026 model96 GB RAM120hz screenHigh resolution
$5,949.00
18″
Compare Lenovo ThinkPad P16 Gen 3 (21RQ) vs EXcaliberPC 2025 MSI Raider 18 HX AI A2XWIG-014US
EXcaliberPC 2025 MSI Raider 18 HX AI A2XWIG-014US
Runs 90% of new games on recommended RTX 5080 GPU2026 model64 GB RAM120hz screenHigh resolution
$5,249.00
18″
Compare Lenovo ThinkPad P16 Gen 3 (21RQ) vs EXcaliberPC 2025 MSI Raider 18 HX AI A2XWIG-014US
EXcaliberPC 2025 MSI Raider 18 HX AI A2XWIG-014US
Runs 90% of new games on recommended RTX 5080 GPU2026 model64 GB RAM120hz screenHigh resolution
$6,445.00
18″
Compare Lenovo ThinkPad P16 Gen 3 (21RQ) vs EXcaliberPC 2025 MSI Raider 18 HX AI A2XWIG-014US
EXcaliberPC 2025 MSI Raider 18 HX AI A2XWIG-014US
Runs 90% of new games on recommended RTX 5080 GPU2026 model96 GB RAM120hz screenHigh resolution
$8,745.00
Lenovo ThinkPad P16 Gen 3 (21RQ) viewed from another angle
ASUS ROG Strix G18 viewed from another angle

Lenovo ThinkPad P16 Gen 3 (21RQ) summary

Lenovo ThinkPad P16 Gen 3 is a Windows gaming laptop released in 2026. It doesn't come with the top Intel processor, however a decent amount of memory for its price. The laptop has the RTX PRO 2000 Blackwell graphics card that is underwhelming well-suited for playing games. You can run 90% of the games published this year on recommended settings. WQUXGA resolution is superb for the 16″ IPS display. Your 4000gb SSD storage is reasonable leaves room for improvement. It is quite on the heavier side at 8 lbs (3.63 kg).

Lenovo ThinkPad P16 Gen 3 Intel Core Ultra 7 255HX, 20C, 16" WQUXGA (3840 x 2400) Non-Touch, 800 nits, 128GB RAM, 4TB SSD, NVIDIA RTX PRO 2000 Blackwell, Backlit KYB, Windows Pro

Processor:Intel Core Ultra 7 255HX Processor (E-cores up to 4.50 GHz P-cores up to 5.20 GHz)

Memory: 128 GB DDR5-(SODIMM) - ; Storage: 4 TB SSD M.2 2280 PCIe Gen5 Performance

Display: 16" WQUXGA (3840 x 2400), IPS, Anti-Glare, Non-Touch, HDR 400, 100%DCI-P3, 800 nits, 60Hz, Low Blue Light; Graphic Card: NVIDIA RTX PRO 2000 Blackwell Laptop GPU 8GB GDDR7

Dimensions (H (front-to-back) x W x D): 15.8mm – 20.9mm x 362mm x 252mm / 0.62″ – 0.82″ x 14.25″ x 9.92″ Weight: Starting at 2.54kg / 5.6lbs

[Upgrade] will open the box to upgrade the RAM and the hard drive to PCIe-NVMe Solid State Drive. The hard drive upgrade won't affect Lenovo manufacture warranty.

ASIN: B0GVGMJGB4

ASUS ROG Strix G18 summary

ASUS ROG Strix G18 is a Windows gaming laptop released in 2026. It has the GeForce RTX 5080 video card which is okay great for playing games. You can run 90% of the games published this year on recommended settings. The laptop has a reasonable Intel CPU, though enough RAM for its price. Just Quad HD resolution is not the best for the 18-inch 240 Hz display. The 8000gb SSD storage is passable. It is light at only 7.05 lbs (3.2 kg).

ASUS ROG Strix G18 (2025) Gaming Laptop, 18" 16:10 ROG Nebula 2.5K 240Hz/3ms, NVIDIA GeForce RTX 5080, Intel Core Ultra 9 275HX, 64GB DDR5 RAM, 8TB M.2 PCIe SSD, WiFi 7, Win11 Pro - Eclipse Gray

Premium Performance: This ROG Strix G18 is powered by the Intel Ultra 9 275HX processor with 24 cores (8 Performance + 16 Efficient) and 24 total threads, boosting up to 5.4 GHz. This next-gen CPU excels in gaming and creative tasks with AI acceleration for faster rendering, offering unbeatable speed and performance, whether you're gaming, streaming, or editing.

Next-Gen Stunning Graphics: With the NVIDIA GeForce RTX 5080 16GB of GDDR7 Graphics video memory delivers stunning gaming performance. With features like DLSS 4, Ray Tracing, and Frame Generation, it ensures smooth gameplay and high frame rates. Advanced Optimus technology optimizes battery life and performance by dynamically switching between the iGPU and dGPU, keeping you ahead of the competition.

ROG Nebula Display: Immerse yourself in stunning visuals for gaming, content creation, and entertainment with the ultra-fast 18" 2.5K 16:10 2560x1600 240Hz Nebula Display. Pantone validation guarantees professional-grade color accuracy with 100% DCI-P3 coverage, further enhanced by a new ACR film that boosts contrast and minimizes glare.

Expansive Storage: Dominate any game with Up to 64GB of blazing-fast DDR5 5600MHz RAM. Enjoy smooth gameplay, faster loading times, and seamless multitasking. Load games and projects instantly with Up to 8TB PCIe Gen 4 storage, delivering up to 7,000MB/s throughput and efficient cooling. Stay ahead with PCIe Gen 5-ready SSD slots, ensuring easy upgrades and future-proof performance.

State-Of-The-Art ROG Intelligent Cooling: Maintain peak performance with ROG Intelligent Cooling. Equipped with an end-to-end vapor chamber, Tri-Fan technology, and Conductonaut Extreme liquid metal, this cutting-edge thermal design ensures your system stays cool and quiet, delivering sustained high-frame-rate gameplay.

ASIN: B0G2BCSRJT

Lenovo ThinkPad P16 Gen 3
ASUS ROG Strix G18