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Get a complete build plan based on budget and goals.
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Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Intel
Detailed architecture, platform, memory, and feature data for this CPU.
Instruction Sets
About This Product
The Intel Celeron G3900 is a dual-core, dual-thread desktop processor based on the Skylake architecture, clocked at 2.8 GHz. It includes integrated graphics and has a 51W TDP. This CPU is suitable for basic office tasks, web browsing, and light media consumption, but its limited core count and clock speed will struggle with demanding applications or modern gaming. For a similar price, some used or older generation quad-core CPUs might offer better multi-threaded performance.
Verdict
βBuy for basic computing needs where budget is the absolute primary concern.β
Performance Benchmarks
Scores are grouped by benchmark family so it is easy to compare raw speed, threaded output, and real-world value without mixing scales.
Render Workloads
Next-Gen Scale
Large Sample Pool
Value & Efficiency
These derived metrics use Cinebench R23 multi-core performance to keep the value calculation consistent across the catalog.
Performance per Watt
39.4 pts/W
Performance per Dollar
51.6 pts/$
Popular Comparisons
These pairings are pre-ranked from the comparison engine so readers can jump straight into the most relevant alternatives.

Multi-core 1,979 Β· $83
"56% better single-core, tied multi-core, $10 cheaper"

Multi-core 2,256 Β· $17
"123% better single-core, 11% slower multi-core, $36 more expensive"
Multi-core 1,997
"31% better single-core, tied multi-core"
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