ASUS Vivobook S 14 OLED M5406WA-AH94 vs Lenovo Gen 12 ThinkPad X1 21KC0046US

Benchmark-weighted head-to-head · data updated 2026-09-10

Winner: ASUS Vivobook S 14 OLED M5406WA-AH94

ASUS Vivobook S 14 OLED M5406WA-AH94 takes 10.3 weighted points vs 4.5, winning on CPU Benchmark, Refresh Rate, Pixel Density. The winner also sits in a more competitive value tier — a clear-cut call.

Winner

ASUS Vivobook S 14 OLED M5406WA-AH94

AMD Ryzen AI 9 365 · Integrated (AMD iGPU)

Under $1200
4.3 (248)
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VS

Lenovo Gen 12 ThinkPad X1 21KC0046US

Intel Core Ultra 7 155U · Integrated (Intel iGPU)

Under $1900
4.9 (13)
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Use-Case Scores

CategoryVivobook S 14 OLED M5406WA-AH94Gen 12 ThinkPad X1 21KC0046US
Gaming3.7/103/10
Productivity5.9/105.8/10
Programming5.9/105.5/10
Engineering / 3D4.6/104.1/10
Student6/106/10
Travel / Portability6.6/107.2/10
AI Workloads4.2/104/10
Value for Money6.7/104.6/10

Detailed Specification Comparison

SpecVivobook S 14 OLED M5406WA-AH94Gen 12 ThinkPad X1 21KC0046US
CPUAMD Ryzen AI 9 365Intel Core Ultra 7 155U
PassMark Score29,57016,355
CPU Cores4P+6S2P+10E
GPUIntegrated (AMD iGPU)Integrated (Intel iGPU)
G3DMark Score——
RAM24 GB DDR532 GB DDR5
RAM UpgradeableNo (soldered)No (soldered)
Storage1 TBSSD1 TBSSD
Display14″ OLED14″ IPS
Resolution2880x18001920x1200
Refresh Rate120 Hz60 Hz
Pixel Density243 PPI162 PPI
TouchscreenNoYes
Weight4.14 lbs2.4 lbs
Thickness0.55″0.59″
Amazon Rating4.3 ★ (248)4.9 ★ (13)
Value Score6.7/104.6/10

CPU Comparison

The ASUS Vivobook S 14 OLED M5406WA-AH94's AMD Ryzen AI 9 365 is ~81% faster in multi-threaded PassMark (29,570 vs 16,355). A generational gap you will feel in exports, compiles and heavy multitasking.

GPU & Gaming

Neither carries a dedicated GPU — both fine for esports at low settings, neither for modern AAA gaming.

Productivity & Battery

Office scores: 5.9/10 vs 5.8/10. Battery isn't in our dataset, but both share a similar power class, so expect comparable endurance.

Display

Vivobook S 14 OLED M5406WA-AH94: 14″ OLED 2880x1800 @ 120 Hz. Gen 12 ThinkPad X1 21KC0046US: 14″ IPS 1920x1200 @ 60 Hz. The ASUS Vivobook S 14 OLED M5406WA-AH94's OLED panel is the clear quality win.

RAM, Storage & Upgradeability

Vivobook S 14 OLED M5406WA-AH94: 24 GB DDR5 (soldered) + 1 TBSSD. Gen 12 ThinkPad X1 21KC0046US: 32 GB DDR5 (soldered) + 1 TBSSD.

Build & Portability

4.14 lbs / 0.55″ vs 2.4 lbs / 0.59″. The Lenovo Gen 12 ThinkPad X1 21KC0046US is 1.7 lbs lighter — significant for daily carry. Travel scores: 6.6 vs 7.2.

Value

Value scores land 6.7/10 vs 4.6/10. The ASUS Vivobook S 14 OLED M5406WA-AH94 extracts more performance per dollar.

Final Verdict

Buy the ASUS Vivobook S 14 OLED M5406WA-AH94 — it wins the weighted spec battle and costs less. Choose the Lenovo Gen 12 ThinkPad X1 21KC0046US only if portability matter more to you.

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