Dell DC15250 i5 vs Lenovo IdeaPad Flex 5i

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

Winner: Dell DC15250 i5

Dell DC15250 i5 takes 9.5 weighted points vs 5.3, winning on CPU Benchmark, RAM, Storage. Read our comprehensive Dell DC15250 i5 review or see the full Lenovo IdeaPad Flex 5i review. The Lenovo IdeaPad Flex 5i counters in a higher tier — worth it if its strengths match your needs.

Winner

Dell DC15250 i5

Intel Core i5 1334U · Integrated (Intel iGPU)

Under $600
4.5 (184)
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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

CategoryDC15250 i5IdeaPad Flex 5i
Gaming2.5/102.1/10
Productivity4.6/104.1/10
Programming3.6/103.1/10
Engineering / 3D3.1/102.6/10
Student5.6/105.2/10
Travel / Portability5.6/105.6/10
AI Workloads2.9/102.3/10
Value for Money6.5/105.8/10

Detailed Specification Comparison

SpecDC15250 i5IdeaPad Flex 5i
CPUIntel Core i5 1334UIntel Core i3-1215U
PassMark Score13,24510,774
CPU Cores102P+4E
GPUIntegrated (Intel iGPU)Integrated (Intel iGPU)
G3DMark Score——
RAM16 GB DDR48 GB DDR4
RAM UpgradeableYesNo (soldered)
Storage512 GBSSD256 GBSSD
Display15.6″ IPS14″ IPS
Resolution1920x10801920x1080
Refresh Rate60 Hz60 Hz
Pixel Density141 PPI157 PPI
TouchscreenNoYes
Weight3.64 lbs3.52 lbs
Thickness0.75″0.68″
Amazon Rating4.5 ★ (184)4.2 ★ (73)
Value Score6.5/105.8/10

CPU Comparison

The Dell DC15250 i5's Intel Core i5 1334U is ~23% faster in multi-threaded PassMark (13,245 vs 10,774). Noticeable in sustained workloads, less so in everyday browsing. Read more in our in-depth DC15250 i5 benchmark breakdown and IdeaPad Flex 5i performance review.

GPU & Gaming

Neither carries a dedicated GPU — both fine for esports at low settings, neither for modern AAA gaming. For dedicated gaming silicon, check our best gaming laptops guide.

Productivity & Battery

Office scores: 4.6/10 vs 4.1/10. Battery isn't in our dataset, but both share a similar power class, so expect comparable endurance.

Display

DC15250 i5: 15.6″ IPS 1920x1080 @ 60 Hz. IdeaPad Flex 5i: 14″ IPS 1920x1080 @ 60 Hz. Panel quality is effectively even.

RAM, Storage & Upgradeability

DC15250 i5: 16 GB DDR4 (upgradeable) + 512 GBSSD. IdeaPad Flex 5i: 8 GB DDR4 (soldered) + 256 GBSSD. The Dell DC15250 i5's socketed RAM is a longevity advantage.

Build & Portability

3.64 lbs / 0.75″ vs 3.52 lbs / 0.68″. Effectively identical to carry. Travel scores: 5.6 vs 5.6.

Value

Value scores land 6.5/10 vs 5.8/10. The Dell DC15250 i5 extracts more performance per dollar.

Final Verdict

Buy the Dell DC15250 i5 — it wins the weighted spec battle. You can read the detailed Dell DC15250 i5 review or compare alternative models in our laptop comparison tool.

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Also Consider

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