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.
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 Core i9-12900T is a 12th Gen Alder Lake-S desktop CPU with 16 cores (8 P-cores, 8 E-cores) and 24 threads. It features a low base clock of 1.4 GHz and a boost clock up to 4.9 GHz for P-cores, making it suitable for power-efficient systems where thermal output is a primary concern. This processor is designed for users needing high core counts in a low-power envelope, rather than maximum raw performance.
Verdict
βIdeal for compact, power-efficient workstations or HTPCs where low heat and power consumption are critical.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
Cross-Platform
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
651.5 pts/W
Popular Comparisons
These pairings are pre-ranked from the comparison engine so readers can jump straight into the most relevant alternatives.

Multi-core 21,568 Β· $464
"tied single-core, 6% better multi-core"
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GPU Bottleneck & Pairing
These pairings are pre-calculated around 1440p balance so you can move quickly from CPU research to a realistic gaming build.
High-confidence pairings that stay balanced at 1440p.
Recommended GPU
GeForce RTX 5080
Balanced
This pairing stays very close to ideal balance for 1440p gaming.
Usage-share data is not available yet for this pairing.
Recommended GPU
GeForce RTX 5080
Balanced
This pairing stays very close to ideal balance for 1440p gaming.
Usage-share data is not available yet for this pairing.
Recommended GPU
GeForce RTX 5080
Balanced
This pairing stays very close to ideal balance for 1440p gaming.
Usage-share data is not available yet for this pairing.
Recommended GPU
GeForce RTX 5080
Balanced
This pairing stays very close to ideal balance for 1440p gaming.
Usage-share data is not available yet for this pairing.
Recommended GPU
GeForce RTX 5080
Balanced
This pairing stays very close to ideal balance for 1440p gaming.
Usage-share data is not available yet for this pairing.
Recommended GPU
GeForce RTX 5080
Balanced
This pairing stays very close to ideal balance for 1440p gaming.
Usage-share data is not available yet for this pairing.
Recommended GPU
GeForce RTX 5080
Balanced
This pairing stays very close to ideal balance for 1440p gaming.
Usage-share data is not available yet for this pairing.
Recommended GPU
GeForce RTX 5080
Balanced
This pairing stays very close to ideal balance for 1440p gaming.
Usage-share data is not available yet for this pairing.
Recommended GPU
GeForce RTX 5080
Balanced
This pairing stays very close to ideal balance for 1440p gaming.
Usage-share data is not available yet for this pairing.
Recommended GPU
Radeon RX 9070 XT
Balanced
This pairing stays very close to ideal balance for 1440p gaming.
Usage-share data is not available yet for this pairing.
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