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Lenovo ThinkStation P520 Workstation vs Dell Precision T3660 Workstation Desktop — Head-to-Head (2026)

The specs side by side, with links to both product pages.

Lenovo ThinkStation P520 Workstation, Intel Xeon W-2123 3.60GHz 4-Core, 512GB NVMe M.2 SSD, Quadro M2000 4GB (4X Display Ports), Windows 11 Pro (128GB DDR4) (Renewed)

Lenovo ThinkStation P520 Workstation, Intel Xeon W-2123 3.60GHz 4-Core, 512GB NVMe M.2 SSD, Quadro M2000 4GB (4X Display Ports), Windows 11 Pro (128GB DDR4) (Renewed)

$1089.02
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vs
Dell Precision T3660 Workstation Desktop (2022) | Core i9-12900K - 1TB SSD Hard Drive - 32GB RAM - AMD Radeon PRO W6800 | 16 cores @ 5.2 GHz - 32GB GDDR6 Win 11 Pro Black (Renewed)

Dell Precision T3660 Workstation Desktop (2022) | Core i9-12900K - 1TB SSD Hard Drive - 32GB RAM - AMD Radeon PRO W6800 | 16 cores @ 5.2 GHz - 32GB GDDR6 Win 11 Pro Black (Renewed)

$2398.90
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*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

Spec-by-spec

SpecLenovo ThinkStation P520 Workstation…Dell Precision T3660 Workstation…
BrandLenovoDell
Color128GB DDR4Black
RAM TypeDDR4 SDRAMDDR4 SDRAM
CPU ModelXeonCore i9
CPU Speed3.6 GHz2.4 GHz
Model NameThinkStationPrecision T3660 Desktop
Model Year20212023
Model NumberP520Precision T3660 Desktop
Built-In MediaComputer and Power CordKeyboard
Item Dimensions18.1 x 6.5 x 17.3 inches16.54 x 6.81 x 14.53 inches
Processor BrandIntelIntel
Processor Count116
Processor Speed3.6 GHz2.4 GHz
Video ProcessorNVIDIAAMD

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