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ASUS Vivobook S 14 OLED S5406SAL vs Lenovo IdeaPad Slim 5x (13-inch or 15-inch)

Researched, not hands-on tested.How we review ›

all judged against laptops at a similar price

The ASUS Vivobook S 14 OLED S5406SAL scores 6.2/10 overall, ahead of the Lenovo IdeaPad Slim 5x (13-inch or 15-inch) at 5.9/10.

The ASUS Vivobook S 14 OLED S5406SAL leads on performance, memory and storage and ports.

The Lenovo IdeaPad Slim 5x (13-inch or 15-inch) leads on battery life.

They score the same on display, keyboard and build and linux support.

ASUS Vivobook S 14 OLED S5406SAL

6.2/10verdict: good, not the best

The Vivobook S 14 OLED suits students, mobile office workers and developers who want a light 14-inch laptop with a colour-rich screen and good battery reports. It gives 16GB of memory, two Thunderbolt 4 ports and a 1.30 kg chassis. Buyers who want to upgrade memory later or run Linux with vendor backing should look at the limits first.

Typically about £649.99 in the UK when we researched itCheck price at Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Lenovo IdeaPad Slim 5x (13-inch or 15-inch)

5.9/10verdict: good, not the best

The IdeaPad Slim 5x is for people who want a light Windows laptop that lasts a long time away from a socket. It suits everyday work, browsing, documents and remote sessions better than sustained heavy loads. Buyers who need Linux, upgradeable memory or USB4 should look at the limits before choosing it.

Typically about £999 in the UK when we researched itCheck price at Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Scores, criterion by criterion

CriterionWeightASUS Vivobook S 14 OLED S5406SALLenovo IdeaPad Slim 5x (13-inch or 15-inch)
Performance25%6/105/10
Memory and storage20%6/105/10
Display15%7/107/10
Battery life15%7/109/10
Keyboard and build10%6/106/10
Ports10%7/106/10
Linux support5%2/102/10
Overall6.2/105.9/10

Specifications

SpecASUS Vivobook S 14 OLED S5406SALLenovo IdeaPad Slim 5x (13-inch or 15-inch)
CPUIntel Core Ultra 5 226V, 8 cores (8 threads), 2.1 GHz base, up to 4.5 GHz, 8MB cache, NPU up to 40 TOPSQualcomm Snapdragon X2 Plus X2P-42-100, 6 cores, max turbo up to 4.0GHz, 23W TDP
Memory16GB LPDDR5X, soldered on package, not upgradeable16 GB or 32 GB LPDDR5X, soldered, not upgradable
Storage512GB M.2 NVMe PCIe 4.0 SSD, one M.2 2280 slot512 GB or 1 TB M.2 2242 PCIe Gen4 QLC SSD
Display14.0-inch WUXGA (1920×1200) OLED, 16:10, 60Hz, 400 nits typical, 600 nits HDR peak, 100% DCI-P3, non-touch13-inch: 13.3-inch WUXGA 1920x1200 LCD, 400 nits, 60Hz, touch. 15-inch: 15.3-inch 2.5K OLED 500 nits 165Hz, or WUXGA LCD 400 nits 120Hz
Battery75Wh, 4-cell Li-ion; 65W USB-C adapter for this model row13-inch 54.7Wh; 15-inch 70Wh or 54.7Wh; rated up to 21.4 hours video playback (MobileMark 2030 basis)
Ports2× Thunderbolt 4 (40Gbps), 2× USB 3.2 Gen 1 Type-A, 1× 3.5mm combo jack, 1× HDMI 2.1Right: 1x USB 3.2 Gen 1 Type-A (always-on), 1x USB 3.2 Gen 1 Type-A, microSD, power button. Left: 1x HDMI 2.1, 2x USB-C (DP 1.4 and PD 3.0, 10Gb/s), audio jack. No Ethernet or USB4 listed
Weight1.30 kg (2.87 lb)13-inch from about 1.19 kg; 15-inch OLED about 1.41 kg; 15-inch LCD about 1.49 kg
Operating systemWindows 11 HomeWindows 11 (ARM), Home or Pro

Strengths and weaknesses

ASUS Vivobook S 14 OLED S5406SAL

  • + OLED panel with 100% DCI-P3 and 600 nits HDR peak
  • + 75Wh battery, praised by reviewers
  • + Two Thunderbolt 4 ports plus USB-A and HDMI 2.1
  • − Memory is soldered and cannot be upgraded
  • − ASUS has only tested compatibility with Windows 11
  • − No SD slot or Ethernet listed

Skip it if:

  • Buyers who want to upgrade memory after purchase
  • Linux users who need vendor-tested hardware support
  • Anyone needing an SD card slot or built-in Ethernet
Read the full ASUS Vivobook S 14 OLED S5406SAL review ›

Lenovo IdeaPad Slim 5x (13-inch or 15-inch)

  • + Battery life is excellent, with a 27h50 measured video result
  • + 15-inch OLED option is 2.5K, 500 nits and 165Hz
  • + Light: the 13-inch starts at about 1.19 kg
  • − Memory is soldered and cannot be upgraded
  • − Owners report weak performance under heavy load and graphics
  • − No USB4 or Ethernet listed

Skip it if:

  • Buyers who need Linux on the laptop itself
  • People who compile heavily or need strong graphics performance
  • Anyone who wants upgradeable memory or USB4
Read the full Lenovo IdeaPad Slim 5x (13-inch or 15-inch) review ›

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