Intel Core i9-9900K vs Intel Core i9-9900X
Comparative analysis of Intel Core i9-9900K and Intel Core i9-9900X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).
Differences
Reasons to consider the Intel Core i9-9900K
- Around 14% higher clock speed: 5.00 GHz vs 4.40 GHz
- Around 9% higher maximum core temperature: 100°C vs 92°C
- Around 74% lower typical power consumption: 95 Watt vs 165 Watt
- Around 14% better performance in PassMark - Single thread mark: 2928 vs 2562
- Around 18% better performance in Geekbench 4 - Single Core: 1336 vs 1136
Specifications (specs) | |
Maximum frequency | 5.00 GHz vs 4.40 GHz |
Maximum core temperature | 100°C vs 92°C |
Thermal Design Power (TDP) | 95 Watt vs 165 Watt |
Benchmarks | |
PassMark - Single thread mark | 2928 vs 2562 |
Geekbench 4 - Single Core | 1336 vs 1136 |
Reasons to consider the Intel Core i9-9900X
- 2 more cores, run more applications at once: 10 vs 8
- 4 more threads: 20 vs 16
- Around 25% more L1 cache; more data can be stored in the L1 cache for quick access later
- 5x more L2 cache, more data can be stored in the L2 cache for quick access later
- Around 20% more L3 cache; more data can be stored in the L3 cache for quick access later
- Around 20% better performance in PassMark - CPU mark: 21853 vs 18262
- Around 19% better performance in Geekbench 4 - Multi-Core: 10446 vs 8781
- Around 48% better performance in 3DMark Fire Strike - Physics Score: 10364 vs 7011
Specifications (specs) | |
Number of cores | 10 vs 8 |
Number of threads | 20 vs 16 |
L1 cache | 64K (per core) vs 64K (per core) |
L2 cache | 1 MB (per core) vs 256K (per core) |
L3 cache | 19.25 MB (shared) vs 16 MB (shared) |
Benchmarks | |
PassMark - CPU mark | 21853 vs 18262 |
Geekbench 4 - Multi-Core | 10446 vs 8781 |
3DMark Fire Strike - Physics Score | 10364 vs 7011 |
Compare benchmarks
CPU 1: Intel Core i9-9900K
CPU 2: Intel Core i9-9900X
PassMark - Single thread mark |
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PassMark - CPU mark |
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Geekbench 4 - Single Core |
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Geekbench 4 - Multi-Core |
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3DMark Fire Strike - Physics Score |
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Name | Intel Core i9-9900K | Intel Core i9-9900X |
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PassMark - Single thread mark | 2928 | 2562 |
PassMark - CPU mark | 18262 | 21853 |
Geekbench 4 - Single Core | 1336 | 1136 |
Geekbench 4 - Multi-Core | 8781 | 10446 |
3DMark Fire Strike - Physics Score | 7011 | 10364 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 12.968 | |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 202.925 | |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.504 | |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 6.779 | |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 17.406 | |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 2165 | |
GFXBench 4.0 - Manhattan (Frames) | 4003 | |
GFXBench 4.0 - T-Rex (Frames) | 6679 | |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 2165 | |
GFXBench 4.0 - Manhattan (Fps) | 4003 | |
GFXBench 4.0 - T-Rex (Fps) | 6679 |
Compare specifications (specs)
Intel Core i9-9900K | Intel Core i9-9900X | |
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Essentials |
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Architecture codename | Coffee Lake | Skylake |
Launch date | October 2018 | October 2018 |
Place in performance rating | 813 | 822 |
Price now | $909 | |
Processor Number | i9-9900K | i9-9900X |
Series | 9th Generation Intel® Core™ i9 Processors | Intel® Core™ X-series Processors |
Status | Launched | Launched |
Value for money (0-100) | 6.63 | |
Vertical segment | Desktop | Desktop |
Performance |
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64 bit support | ||
Base frequency | 3.60 GHz | 3.50 GHz |
Bus Speed | 8 GT/s DMI3 | 8 GT/s DMI3 |
L1 cache | 64K (per core) | 64K (per core) |
L2 cache | 256K (per core) | 1 MB (per core) |
L3 cache | 16 MB (shared) | 19.25 MB (shared) |
Manufacturing process technology | 14 nm | 14 nm |
Maximum case temperature (TCase) | 72 °C | 72 °C |
Maximum core temperature | 100°C | 92°C |
Maximum frequency | 5.00 GHz | 4.40 GHz |
Number of cores | 8 | 10 |
Number of threads | 16 | 20 |
Unlocked | ||
Number of QPI Links | 0 | |
Memory |
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Max memory channels | 2 | 4 |
Maximum memory bandwidth | 41.6 GB/s | |
Maximum memory size | 128 GB | 128 GB |
Supported memory types | DDR4-2666 | DDR4-2666 |
Graphics |
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Device ID | 0x3E98 | |
Graphics base frequency | 350 MHz | |
Graphics max dynamic frequency | 1.20 GHz | |
Intel® Clear Video HD technology | ||
Intel® Clear Video technology | ||
Intel® InTru™ 3D technology | ||
Intel® Quick Sync Video | ||
Max video memory | 64 GB | |
Processor graphics | Intel® UHD Graphics 630 | |
Graphics interfaces |
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Number of displays supported | 3 | |
Graphics image quality |
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4K resolution support | ||
Max resolution over DisplayPort | 4096x2304@60Hz | |
Max resolution over eDP | 4096x2304@60Hz | |
Max resolution over HDMI 1.4 | 4096x2304@24Hz | |
Graphics API support |
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DirectX | 12 | |
OpenGL | 4.5 | |
Compatibility |
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Max number of CPUs in a configuration | 1 | 1 |
Package Size | 37.5mm x 37.5mm | |
Sockets supported | FCLGA1151 | FCLGA2066 |
Thermal Design Power (TDP) | 95 Watt | 165 Watt |
Thermal Solution | PCG 2015D (130W) | PCG 2017X |
Peripherals |
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Max number of PCIe lanes | 16 | 44 |
PCI Express revision | 3.0 | 3.0 |
PCIe configurations | Up to 1x16, 2x8, 1x8+2x4 | |
Scalability | 1S Only | 1S Only |
Security & Reliability |
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Execute Disable Bit (EDB) | ||
Intel® Identity Protection technology | ||
Intel® Memory Protection Extensions (Intel® MPX) | ||
Intel® OS Guard | ||
Intel® Secure Key technology | ||
Intel® Software Guard Extensions (Intel® SGX) | ||
Intel® Trusted Execution technology (TXT) | ||
Secure Boot | ||
Advanced Technologies |
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Enhanced Intel SpeedStep® technology | ||
Idle States | ||
Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
Intel 64 | ||
Intel® Advanced Vector Extensions (AVX) | ||
Intel® AES New Instructions | ||
Intel® Hyper-Threading technology | ||
Intel® Optane™ Memory Supported | ||
Intel® Stable Image Platform Program (SIPP) | ||
Intel® TSX-NI | ||
Intel® Turbo Boost technology | ||
Intel® vPro™ Platform Eligibility | ||
Thermal Monitoring | ||
Number of AVX-512 FMA Units | 2 | |
Virtualization |
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Intel® Virtualization Technology (VT-x) | ||
Intel® Virtualization Technology for Directed I/O (VT-d) | ||
Intel® VT-x with Extended Page Tables (EPT) |