Used Cpu for Intel Core i9-9900 9900KF 9900KS 9900T Pentium Gold G5620 Desktop Cpu Pc Processor

Specification	Core i9-9900	Core i9-9900KF	Core i9-9900KS	Core i9-9900T	Pentium Gold G5620
Cores / Threads	8 / 16	8 / 16	8 / 16	8 / 16	2 / 4
Base Clock (GHz)	3.1	3.6	4.0	2.1	4.0
Boost Clock (GHz)	5.0 (TB 2.0)	5.0 (TB 2.0)	5.0 (All-Core)	4.4 (TB 2.0)	N/A (No Turbo Boost)
L3 Cache (MB)	16	16	16	16	4
TDP (Watts)	65W	95W	127W	35W	54W
Integrated GPU	UHD Graphics 630	None	UHD Graphics 630	UHD Graphics 630	UHD Graphics 630
Unlocked Multiplier	No	Yes	Yes	No	No
PCIe Lanes	16 (PCIe 3.0)	16 (PCIe 3.0)	16 (PCIe 3.0)	16 (PCIe 3.0)	16 (PCIe 3.0)
Memory Support	DDR4-2666	DDR4-2666	DDR4-2666	DDR4-2666	DDR4-2400
Socket	LGA 1151 (300)	LGA 1151 (300)	LGA 1151 (300)	LGA 1151 (300)	LGA 1151 (300)
Target Market	Mainstream / OEM	Enthusiast / OC	High-Performance	Low-Power OEM	Bu

1. Intel Core i9-9900

• 8 Cores / 16 Threads

• 3.1 GHz Base / 5.0 GHz Turbo Boost 2.0

• 16MB L3 Cache, 65W TDP

• UHD Graphics 630 (iGPU included)

Overview:

The Core i9-9900 is a locked (non-overclockable) variant of Intel’s 9th-gen flagship, designed primarily for OEM systems (prebuilt PCs). It has a lower 65W TDP compared to the K-series, making it more power-efficient but with reduced base clocks.

Best For:

✔ Workstations needing 8C/16T without overclocking
✔ Users who rely on integrated graphics (UHD 630)
✔ Systems where power efficiency matters

Limitations:

❌ No overclocking (locked multiplier)
❌ Lower base clock than 9900KF/KS

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2. Intel Core i9-9900KF

• 8 Cores / 16 Threads

• 3.6 GHz Base / 5.0 GHz Turbo Boost 2.0

• 16MB L3 Cache, 95W TDP

• No Integrated GPU (Discrete GPU required)

Overview:

The 9900KF is nearly identical to the 9900K but lacks integrated graphics, meaning it requires a dedicated GPU. It’s unlocked for overclocking, making it ideal for gamers and enthusiasts.

Best For:

✔ Gaming (high clock speeds, low latency)
✔ Overclocking (unlocked multiplier)
✔ Users with a dedicated graphics card

Limitations:

❌ No iGPU (not suitable for systems without a GPU)

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3. Intel Core i9-9900KS (Special Edition)

• 8 Cores / 16 Threads

• 4.0 GHz Base / 5.0 GHz All-Core Boost

• 16MB L3 Cache, 127W TDP

• UHD Graphics 630 (iGPU included)

Overview:

The 9900KS is a binned, premium version of the 9900K, offering higher base clocks (4.0 GHz) and guaranteed 5.0 GHz all-core boost. It was marketed as a “special edition” CPU for extreme performance.

Best For:

✔ Enthusiasts & overclockers
✔ Competitive gaming (highest sustained clocks)
✔ Content creation (premiere, rendering)

Limitations:

❌ High power draw (127W TDP)
❌ Runs hotter than standard 9900K/KF

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4. Intel Core i9-9900T (Low-Power Variant)

• 8 Cores / 16 Threads

• 2.1 GHz Base / 4.4 GHz Turbo Boost

• 16MB L3 Cache, 35W TDP

• UHD Graphics 630 (iGPU included)

Overview:

The 9900T is an ultra-low-power version of the 9900 series, designed for small form factor (SFF) PCs and energy-efficient workstations. Despite its 35W TDP, it still packs 8C/16T, making it unique in low-power CPUs.

Best For:

✔ Mini-ITX / SFF builds
✔ Office workstations needing multi-core performance
✔ Home servers/NAS with power constraints

Limitations:

❌ Lower clock speeds (not ideal for gaming/rendering)

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5. Intel Pentium Gold G5620 (Budget Option)

• 2 Cores / 4 Threads

• 4.0 GHz Base (No Turbo Boost)

• 4MB L3 Cache, 54W TDP

• UHD Graphics 630 (iGPU included)

Overview:

The Pentium Gold G5620 is an entry-level CPU for basic computing tasks. It lacks Hyper-Threading and Turbo Boost, making it significantly weaker than the i9 series.

Best For:

✔ Budget office PCs
✔ Media browsing / light productivity
✔ Home theater PCs (HTPCs)