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ASUS Zenbook A14 (UX3407) vs Lenovo IdeaPad Slim 3x (15", 10)

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

all judged against laptops at a similar price

The ASUS Zenbook A14 (UX3407) scores 6.1/10 overall, ahead of the Lenovo IdeaPad Slim 3x (15", 10) at 5.9/10.

The ASUS Zenbook A14 (UX3407) leads on display, battery life, keyboard and build and ports.

The Lenovo IdeaPad Slim 3x (15", 10) leads on performance and memory and storage.

They score the same on linux support.

ASUS Zenbook A14 (UX3407)

ASUS Zenbook A14 (UX3407)

6.1/10verdict: good, not the best

The ASUS Zenbook A14 UX3407 is for people who want a light 14-inch Windows laptop with very long battery life and an OLED screen. It suits everyday office, web and admin work where the software runs on Windows on Arm. Developers and homelabbers who need x86 tools, VMs or Linux should look at the limits before buying.

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 3x (15", 10)

Lenovo IdeaPad Slim 3x (15", 10)

5.9/10verdict: good, not the best

The IdeaPad Slim 3x suits people who want a large-screen, long-running Windows laptop for office work, browser-based admin and light development. It also suits anyone who wants an optional OLED panel and a second SSD slot in a 15-inch body. It is a weaker fit if you need Thunderbolt-class ports or upgradeable memory.

Typically about £595 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 Zenbook A14 (UX3407)Lenovo IdeaPad Slim 3x (15", 10)
Performance25%4/106/10
Memory and storage20%6/107/10
Display15%7/105/10
Battery life15%9/107/10
Keyboard and build10%7/106/10
Ports10%7/105/10
Linux support5%2/102/10
Overall6.1/105.9/10

Specifications

SpecASUS Zenbook A14 (UX3407)Lenovo IdeaPad Slim 3x (15", 10)
CPUVaries by variant: Snapdragon X1-26-100 (8 cores), Snapdragon X Plus X1P 42 100 (8 cores), Snapdragon X Elite X1E 78 100 (12 cores), Snapdragon X2 Elite X2E88100 (18 cores)Qualcomm Snapdragon X X1-26-100, 8 cores, up to 3.0 GHz, 30MB cache, Hexagon NPU up to 45 TOPS
Memory16GB or 32GB LPDDR5X, soldered on board (not user-upgradeable)16 GB or 24 GB LPDDR5x, 8448 MHz, soldered to the system board
Storage512GB or 1TB PCIe 4.0 SSD; one M.2 2280 PCIe 4.0x4 slot listed on some variants256 GB, 512 GB or 1 TB PCIe M.2 2242 Gen4 SSD, plus a second 2242 slot supporting 512 GB or 1 TB
DisplayVaries by variant: 14.0-inch 3K (2880 x 1800) OLED 120Hz; 14.0-inch WUXGA (1920 x 1200) OLED 60Hz; 14.0-inch WUXGA IPS-level non-touch 60Hz; 400 nits typical15.1-inch WQXGA (2560 x 1600) OLED, 16:10, 60 Hz, or 15.3-inch WUXGA (1920 x 1200) IPS, 16:10, 60 Hz, 300 nits; IPS also offered with on-cell touch
Battery70 Wh (some lower-tier variants 48 Wh); rated up to 32 hours of sustained battery in ASUS 1080p video playback test50 Wh or 60 Wh; Rapid Charge gives 2 hours in 15 minutes
Ports2x USB 4.0 Gen 3 Type-C with display/power delivery (up to 40Gbps), 1x USB 3.2 Gen 2 Type-A, 1x 3.5mm combo audio jack, 1x HDMI 2.1 TMDSRight: 1x USB 3.2 Type-A Gen 1, 1x SD card reader, power button, One Key Recovery. Left: round DC port, 1x USB 3.2 Type-A Gen 1, 1x HDMI 1.4, 1x USB 3.2 Type-C Gen 1 (DP 1.2, PD 3.0), combo audio jack
Weight2.18 lb (0.99 kg) claimed; PCWorld measured 2.16 lb; sub 2 lb (0.9 kg) on 48Wh battery variants1.5 kg (3.31 lb) starting, OLED with 60 Wh battery
Operating systemWindows 11 Home (ASUS recommends Windows 11 Pro for business)Windows 11 Home or Pro

Strengths and weaknesses

ASUS Zenbook A14 (UX3407)

  • + Long rated battery life, praised by several reviewers
  • + Light, sturdy build at a claimed 0.99kg
  • + Two 40Gbps USB4 ports plus HDMI and USB-A
  • − Low-end Snapdragon X chip called slow by reviewers
  • − Windows on Arm limits app compatibility
  • − Memory soldered on board; base OLED panel only 60Hz

Skip it if:

  • Developers and admins who rely on x86-only software or VM images
  • Anyone who wants to run Linux as their main operating system
  • Buyers who need upgradeable memory
Read the full ASUS Zenbook A14 (UX3407) review ›

Lenovo IdeaPad Slim 3x (15", 10)

  • + Owners praise the battery life
  • + Second M.2 2242 slot for extra storage
  • + Optional 2560 x 1600 OLED panel
  • − Owners complain about the display and speakers
  • − Memory is soldered to the board
  • − No Ethernet and only USB 3.2 Gen 1 USB-C

Skip it if:

  • Buyers who want upgradeable memory or many VMs
  • People who need Ethernet or fast USB-C or Thunderbolt-class ports
Read the full Lenovo IdeaPad Slim 3x (15", 10) review ›

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