Intel Core i9-11900 11900F 11900K 11900KF 11900T Desktop Processor 8 Cores up to 5.2 GHz 65W DDR4 Memory CPU Support FCLGA1200 Motherboard B560 Z590

Intel Core i9-11900 11900F 11900K 11900KF 11900T Desktop Processor 8 Cores up to 5.2 GHz 65W DDR4 Memory CPU Support FCLGA1200 Motherboard B560 Z590

$250.50 – $423.76

“F” Models (11900F/KF):
- No integrated GPU (require dedicated graphics card).
- Slightly cheaper than their non-F counterparts.
“K” Models (11900K/KF):
- Unlocked for overclocking (higher base/boost clocks).
- Higher TDP (125W) for better sustained performance.
- No stock cooler included.
“T” Model (11900T):
- Ultra-low 35W TDP (energy-efficient).
- Much lower base clock (1.5 GHz) for power savings.
- Ideal for small form factor (SFF) builds.

Performance Comparison:

Best for Gaming: i9-11900K/KF (highest clocks, overclockable).
Best Value: i9-11900F (if you have a GPU).
Power Efficiency: i9-11900T (for compact/low-power systems).
Balanced Choice: i9-11900 (integrated GPU + 65W TDP).

Core i9-11900

Core i9-11900
Core i9-11900F
Core i9-11900K
Core i9-11900KF
Core i9-11900T

Clear

SKU: N/A Category: Intel CPUs desktop

Intel Core i9-11900 11900F 11900K 11900KF 11900T Desktop Processor 8 Cores up to 5.2 GHz 65W DDR4 Memory CPU Support FCLGA1200 Motherboard B560 Z590

Here’s a detailed comparison table for the Intel Core i9-11th Gen (Rocket Lake-S) processors:

Feature	i9-11900	i9-11900F	i9-11900K	i9-11900KF	i9-11900T
Cores/Threads	8/16	8/16	8/16	8/16	8/16
Base Clock	2.5 GHz	2.5 GHz	3.5 GHz	3.5 GHz	1.5 GHz
Max Turbo Boost	5.2 GHz	5.2 GHz	5.3 GHz	5.3 GHz	4.9 GHz
TDP (PL1)	65W	65W	125W	125W	35W
Max Turbo Power (PL2)	225W	225W	250W	250W	125W
Integrated Graphics	UHD 750	None	UHD 750	None	UHD 750
Overclocking Support	No	No	Yes	Yes	No
PCIe Lanes	20 (PCIe 4.0)	20 (PCIe 4.0)	20 (PCIe 4.0)	20 (PCIe 4.0)	20 (PCIe 4.0)
Memory Support	DDR4-3200	DDR4-3200	DDR4-3200	DDR4-3200	DDR4-3200
Cooler Included	Yes (Stock)	Yes (Stock)	No	No	Yes (Stock)

1. Intel Core i9-11900

Flagship Mainstream Processor

8 Cores / 16 Threads with 2.5GHz base / 5.2GHz boost clocks
Intel UHD Graphics 750 integrated GPU
65W TDP (225W Max Turbo Power)
Locked multiplier (no overclocking)
Includes stock cooler
Best For: High-end mainstream users who want i9 performance without overclocking needs, and may require integrated graphics

2. Intel Core i9-11900F

Discrete GPU Required Version

Same 8C/16T as 11900 with identical 2.5GHz/5.2GHz clocks
No integrated graphics (must use dedicated GPU)
Same 65W TDP (225W Max Turbo Power)
Best For: Gamers with powerful GPUs who can save money by skipping integrated graphics

3. Intel Core i9-11900K

Overclockable Flagship

Higher 3.5GHz base / 5.3GHz boost clocks
Unlocked multiplier for overclocking
125W TDP (250W Max Turbo Power)
Includes UHD 750 graphics
No stock cooler included
Best For: Enthusiasts and content creators who want maximum performance and overclocking headroom

4. Intel Core i9-11900KF

Overclockable Without iGPU

Same 3.5GHz/5.3GHz clocks as 11900K
No integrated graphics
Unlocked for overclocking
125W TDP (250W Max Turbo Power)
Best For: Performance-focused builders with high-end GPUs who want to overclock

5. Intel Core i9-11900T

Power-Efficient Variant

Ultra-low 35W TDP (125W Max Turbo Power)
Lower 1.5GHz base / 4.9GHz boost clocks
Includes UHD 750 graphics
Locked multiplier
Includes stock cooler
Best For: Energy-efficient systems, small form factor builds, and applications where power/heat are concerns

Key Differentiators:

Performance: K/KF models offer highest clocks and overclocking (best for enthusiasts)
Graphics: F/KF models require discrete GPUs (better value for gamers)
Power: T model sacrifices performance for efficiency (ideal for compact systems)
Price: F models typically offer best value for GPU-equipped systems

All models feature:

20 PCIe 4.0 lanes
DDR4-3200 memory support
Intel’s 11th gen architecture improvements

Core i9-11900	Core i9-11900, Core i9-11900F, Core i9-11900K, Core i9-11900KF, Core i9-11900T

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