ASUS Vivobook E1504FA-AS54 vs Lenovo IdeaPad Flex 5i

Benchmark-weighted head-to-head · data updated 2026-08-19

Winner: ASUS Vivobook E1504FA-AS54

ASUS Vivobook E1504FA-AS54 takes 6.5 weighted points vs 6.3, winning on Storage, Amazon Rating, Price. The winner also sits in a more competitive value tier — a clear-cut call.

Winner

ASUS Vivobook E1504FA-AS54

AMD Ryzen 5 7520U · Integrated (AMD iGPU)

Under $500
4.3 (437)
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VS

Lenovo IdeaPad Flex 5i

Intel Core i3-1215U · Integrated (Intel iGPU)

Under $600
4.2 (73)
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Use-Case Scores

CategoryVivobook E1504FA-AS54IdeaPad Flex 5i
Gaming2/102.1/10
Productivity4/104.1/10
Programming3.5/103.1/10
Engineering / 3D2.5/102.6/10
Student5.3/105.2/10
Travel / Portability5.4/105.6/10
AI Workloads2.2/102.3/10
Value for Money6.1/105.8/10

Detailed Specification Comparison

SpecVivobook E1504FA-AS54IdeaPad Flex 5i
CPUAMD Ryzen 5 7520UIntel Core i3-1215U
PassMark Score9,08210,774
CPU Cores42P+4E
GPUIntegrated (AMD iGPU)Integrated (Intel iGPU)
G3DMark Score——
RAM8 GB DDR58 GB DDR4
RAM UpgradeableNo (soldered)No (soldered)
Storage512 GBSSD256 GBSSD
Display15.6″ IPS14″ IPS
Resolution1920x12001920x1080
Refresh Rate60 Hz60 Hz
Pixel Density145 PPI157 PPI
TouchscreenNoYes
Weight3.59 lbs3.52 lbs
Thickness0.7″0.68″
Amazon Rating4.3 ★ (437)4.2 ★ (73)
Value Score6.1/105.8/10

CPU Comparison

The Lenovo IdeaPad Flex 5i's Intel Core i3-1215U is ~19% faster in multi-threaded PassMark (10,774 vs 9,082). Noticeable in sustained workloads, less so in everyday browsing.

GPU & Gaming

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

Productivity & Battery

Office scores: 4/10 vs 4.1/10. Battery isn't in our dataset, but both share a similar power class, so expect comparable endurance.

Display

Vivobook E1504FA-AS54: 15.6″ IPS 1920x1200 @ 60 Hz. IdeaPad Flex 5i: 14″ IPS 1920x1080 @ 60 Hz. Panel quality is effectively even.

RAM, Storage & Upgradeability

Vivobook E1504FA-AS54: 8 GB DDR5 (soldered) + 512 GBSSD. IdeaPad Flex 5i: 8 GB DDR4 (soldered) + 256 GBSSD.

Build & Portability

3.59 lbs / 0.7″ vs 3.52 lbs / 0.68″. Effectively identical to carry. Travel scores: 5.4 vs 5.6.

Value

Value scores land 6.1/10 vs 5.8/10. The ASUS Vivobook E1504FA-AS54 extracts more performance per dollar.

Final Verdict

Buy the ASUS Vivobook E1504FA-AS54 — it wins the weighted spec battle and costs less. Choose the Lenovo IdeaPad Flex 5i only if portability matter more to you.

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Also Consider

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