Intel Core i7-9700K 9800X 9820X 9900K 9900X SRELT for Intel Cpu for Desktop 9th Gen Eight-core Eight-thread 3.6GHz 65W TDP LGA 1151

1. Intel Core i7-9700K

• Segment: Mainstream high-performance desktop (gaming/enthusiast)

• Architecture: Coffee Lake Refresh (14nm++)

• Cores/Threads: 8 cores / 8 threads (no Hyper-Threading)

• Clock Speeds: 3.6 GHz base / 4.9 GHz single-core turbo

• Cache: 12MB L3

• TDP: 95W

• Unlocked: Yes (fully overclockable)

• Memory: Dual-channel DDR4-2666

• PCIe Lanes: 16

• GPU: Intel UHD Graphics 630

• Socket: LGA 1151 (300-series chipsets, Z390 recommended)

• Key Features:

  • Last mainstream i7 with 8 physical cores (no HT)

  • Excellent gaming performance

  • More affordable than i9 counterparts

• Best For: Gamers who want high clock speeds without paying for i9 features

2. Intel Core i7-9800X

• Segment: High-End Desktop (HEDT, X299 platform)

• Architecture: Skylake-X (14nm++)

• Cores/Threads: 8 cores / 16 threads

• Clock Speeds: 3.8 GHz base / 4.5 GHz turbo

• Cache: 16.5MB L3

• TDP: 165W

• Unlocked: Yes

• Memory: Quad-channel DDR4-2666

• PCIe Lanes: 44

• GPU: None (discrete GPU required)

• Socket: LGA 2066

• Key Features:

  • Part of Intel’s X-series for workstations

  • Supports AVX-512 instructions

  • Massive PCIe lane count

• Best For: Prosumers needing PCIe lanes for multi-GPU/NVMe setups

3. Intel Core i9-9820X

• Segment: High-End Desktop (HEDT, X299 platform)

• Architecture: Skylake-X (14nm++)

• Cores/Threads: 10 cores / 20 threads

• Clock Speeds: 3.3 GHz base / 4.2 GHz turbo

• Cache: 16.5MB L3

• TDP: 165W

• Unlocked: Yes

• Memory: Quad-channel DDR4-2666

• PCIe Lanes: 44

• GPU: None

• Socket: LGA 2066

• Key Features:

  • More cores than 9800X for heavy workloads

  • Turbo Boost Max 3.0 support

  • Higher cache per core

• Best For: 3D rendering, video editing, and other heavily-threaded tasks

4. Intel Core i9-9900K

• Segment: Flagship mainstream desktop

• Architecture: Coffee Lake Refresh (14nm++)

• Cores/Threads: 8 cores / 16 threads

• Clock Speeds: 3.6 GHz base / 5.0 GHz single-core turbo

• Cache: 16MB L3

• TDP: 95W (real-world ~150W under load)

• Unlocked: Yes

• Memory: Dual-channel DDR4-2666

• PCIe Lanes: 16

• GPU: Intel UHD Graphics 630

• Socket: LGA 1151 (Z390 recommended)

• Key Features:

  • First mainstream 8-core/16-thread CPU from Intel

  • Best gaming CPU of its generation

  • Soldered TIM (better thermals than previous gens)

• Best For: Enthusiast gamers and content creators wanting the best all-around performance

5. Intel Core i9-9900X

• Segment: High-End Desktop (HEDT, X299 platform)

• Architecture: Skylake-X (14nm++)

• Cores/Threads: 10 cores / 20 threads

• Clock Speeds: 3.5 GHz base / 4.5 GHz turbo

• Cache: 19.25MB L3

• TDP: 165W

• Unlocked: Yes

• Memory: Quad-channel DDR4-2666

• PCIe Lanes: 44

• GPU: None

• Socket: LGA 2066

• Key Features:

  • Higher clocks than 9820X

  • Mesh cache architecture

  • Supports AVX-512

• Best For: Professional workloads needing both high clocks and core count

Platform Comparison

Performance Summary

• Best Gaming: i9-9900K (highest clocks) > i7-9700K

• Best Value HEDT: i7-9800X (balance of cores/price)

• Max Cores: i9-9900X/i9-9820X (10c/20t)

• Most PCIe: All X-series (44 lanes vs. 16)