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InnoReviews

ASUS Zenbook S 16 (UM5606KA) vs Lenovo Legion 5i Gen 9 (16IRX9)

WINNER
ASUS Zenbook S 16 (UM5606KA)
55.5Inno Score
VS
Lenovo Legion 5i Gen 9 (16IRX9)
55.4Inno Score
47.3chipPerformance54.1
53.4chipGraphics82.1
38.4Displayspec-based39.9
70.7Batteryspec-based73.3
78.1Portabilityspec-based35.7
4 spec wins — ASUS Zenbook S 16 (UM5606KA)3 spec wins — Lenovo Legion 5i Gen 9 (16IRX9)

InnoReviews verdict

This one is close to a dead heat: ASUS Zenbook S 16 (UM5606KA) scores 55.5 against 55.4 for Lenovo Legion 5i Gen 9 (16IRX9). Pick by the categories that matter to you, or by price.

Which would you pick?

Key differences

Reasons to pick the ASUS Zenbook S 16 (UM5606KA)

  • 50% higher RAM: 24 GB vs 16 GB
  • 49% lower thickness: 12.9 mm vs 25.2 mm
  • 43% higher Peak brightness: 500 nits vs 350 nits
  • 36% lower weight: 1.5 kg vs 2.36 kg

Reasons to pick the Lenovo Legion 5i Gen 9 (16IRX9)

  • Stronger performance score: 54 vs 47
  • Stronger graphics score: 82 vs 53
  • 254% higher charging: 230 W vs 65 W
  • 38% higher Refresh rate: 165 Hz vs 120 Hz
  • Lower launch price: $1,399 vs $1,599

Display

Display comparison: ASUS Zenbook S 16 (UM5606KA) versus Lenovo Legion 5i Gen 9 (16IRX9)
SpecASUS Zenbook S 16 (UM5606KA)Lenovo Legion 5i Gen 9 (16IRX9)
Screen size16 ″16 ″
Panel typeOLED touchscreen (stylus support)IPS
Resolution2880x18002560x1600
Refresh rate120 Hz165 Hz+38%
Peak brightness500 nits+43%350 nits

Performance

Performance comparison: ASUS Zenbook S 16 (UM5606KA) versus Lenovo Legion 5i Gen 9 (16IRX9)
SpecASUS Zenbook S 16 (UM5606KA)Lenovo Legion 5i Gen 9 (16IRX9)
ProcessorAMD Ryzen AI 7 350Intel Core i7-14650HX
GraphicsAMD Radeon 860M (integrated)NVIDIA GeForce RTX 4060 Laptop GPU (8GB, 140W)
RAM24 GB+50%16 GB
RAM typeLPDDR5X (soldered)DDR5-5600 (2x SO-DIMM)
Storage1,024 GB1,024 GB
Storage typeM.2 NVMe PCIe 4.0 SSDPCIe 4.0 NVMe SSD (2 slots)

Benchmarks

Benchmarks comparison: ASUS Zenbook S 16 (UM5606KA) versus Lenovo Legion 5i Gen 9 (16IRX9)
SpecASUS Zenbook S 16 (UM5606KA)Lenovo Legion 5i Gen 9 (16IRX9)
Geekbench 6 (single)—2,856Top 42%
Geekbench 6 (multi)—17,201Top 23%
3DMark Time Spy Graphics (GPU)—10,397Bottom 22%

Battery

Battery comparison: ASUS Zenbook S 16 (UM5606KA) versus Lenovo Legion 5i Gen 9 (16IRX9)
SpecASUS Zenbook S 16 (UM5606KA)Lenovo Legion 5i Gen 9 (16IRX9)
Capacity78 Wh80 Wh+3%
Charging65 W230 W+254%

Design

Design comparison: ASUS Zenbook S 16 (UM5606KA) versus Lenovo Legion 5i Gen 9 (16IRX9)
SpecASUS Zenbook S 16 (UM5606KA)Lenovo Legion 5i Gen 9 (16IRX9)
Weight1.5 kg+36%2.36 kg
Thickness12.9 mm+49%25.2 mm
Material—Aluminum lid, PC-ABS base

Connectivity

Connectivity comparison: ASUS Zenbook S 16 (UM5606KA) versus Lenovo Legion 5i Gen 9 (16IRX9)
SpecASUS Zenbook S 16 (UM5606KA)Lenovo Legion 5i Gen 9 (16IRX9)
Ports2x USB4 Gen 3 Type-C (40Gbps, display and power delivery), 1x USB 3.2 Gen 2 Type-A, HDMI 2.1, SD card reader, 3.5mm combo audio jack2x USB-C 10Gbps (both with DisplayPort 1.4, one with 140W power input), 3x USB-A 5Gbps (one always-on), HDMI 2.1, Gigabit Ethernet, microSD card reader, 3.5mm combo jack
Wi-FiWi-Fi 7 (802.11be)Wi-Fi 6E
Bluetooth5.45.2
WebcamFHD with IR1080p with e-shutter
BiometricsIR camera for Windows Hello face loginNone

Software

Software comparison: ASUS Zenbook S 16 (UM5606KA) versus Lenovo Legion 5i Gen 9 (16IRX9)
SpecASUS Zenbook S 16 (UM5606KA)Lenovo Legion 5i Gen 9 (16IRX9)
Operating systemWindows 11 HomeWindows 11 Home

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