Dell DC1525 vs Lenovo IdeaPad Flex 5i

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

Winner: Dell DC1525

Dell DC1525 takes 9.5 weighted points vs 3.3, winning on CPU Benchmark, Storage, Amazon Rating. The winner also sits in a more competitive value tier — a clear-cut call.

Winner

Dell DC1525

Intel Core 3 100U · Integrated (Intel iGPU)

Under $500
4.3 (264)
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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

CategoryDC1525IdeaPad Flex 5i
Gaming2.3/102.1/10
Productivity4.1/104.1/10
Programming3.2/103.1/10
Engineering / 3D2.8/102.6/10
Student5.2/105.2/10
Travel / Portability5.1/105.6/10
AI Workloads2.6/102.3/10
Value for Money6.4/105.8/10

Detailed Specification Comparison

SpecDC1525IdeaPad Flex 5i
CPUIntel Core 3 100UIntel Core i3-1215U
PassMark Score12,95310,774
CPU Cores62P+4E
GPUIntegrated (Intel iGPU)Integrated (Intel iGPU)
G3DMark Score——
RAM8 GB DDR58 GB DDR4
RAM UpgradeableNo (soldered)No (soldered)
Storage512 GBSSD256 GBSSD
Display15.6″ IPS14″ IPS
Resolution1920x10801920x1080
Refresh Rate60 Hz60 Hz
Pixel Density141 PPI157 PPI
TouchscreenNoYes
Weight4.19 lbs3.52 lbs
Thickness0.75″0.68″
Amazon Rating4.3 ★ (264)4.2 ★ (73)
Value Score6.4/105.8/10

CPU Comparison

The Dell DC1525's Intel Core 3 100U is ~20% faster in multi-threaded PassMark (12,953 vs 10,774). 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: 4.1/10 vs 4.1/10. Battery isn't in our dataset, but both share a similar power class, so expect comparable endurance.

Display

DC1525: 15.6″ IPS 1920x1080 @ 60 Hz. IdeaPad Flex 5i: 14″ IPS 1920x1080 @ 60 Hz. Panel quality is effectively even.

RAM, Storage & Upgradeability

DC1525: 8 GB DDR5 (soldered) + 512 GBSSD. IdeaPad Flex 5i: 8 GB DDR4 (soldered) + 256 GBSSD.

Build & Portability

4.19 lbs / 0.75″ vs 3.52 lbs / 0.68″. The Lenovo IdeaPad Flex 5i is 0.7 lbs lighter — significant for daily carry. Travel scores: 5.1 vs 5.6.

Value

Value scores land 6.4/10 vs 5.8/10. The Dell DC1525 extracts more performance per dollar.

Final Verdict

Buy the Dell DC1525 — 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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More on the Lenovo IdeaPad Flex 5i