Ryzen Threadripper 1956X vs i9-9900K
Primary details
Comparing Core i9-9900K and Ryzen Threadripper 1956X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 676 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 7.68 | no data |
| Market segment | Desktop processor | Desktop processor |
| Series | Core i9 (Desktop) | no data |
| Power efficiency | 11.45 | no data |
| Architecture codename | Coffee Lake-R (2018−2019) | Zen (2017−2020) |
| Release date | 19 October 2018 (6 years ago) | no data (2024 years ago) |
| Launch price (MSRP) | $488 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i9-9900K and Ryzen Threadripper 1956X basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 8 (Octa-Core) | 12 (Dodeca-Core) |
| Threads | 16 | no data |
| Base clock speed | 3.6 GHz | no data |
| Boost clock speed | 5 GHz | 3.2 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| L1 cache | 64K (per core) | 128 KB (per core) |
| L2 cache | 256K (per core) | 512 KB (per core) |
| L3 cache | 16 MB (shared) | 32768 KB |
| Chip lithography | 14 nm | 14 nm |
| Die size | 178 mm2 | no data |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | + | + |
Compatibility
Information on Core i9-9900K and Ryzen Threadripper 1956X compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 (Uniprocessor) | 1 |
| Socket | LGA-1151 | SP3r2 |
| Power consumption (TDP) | 95 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-9900K and Ryzen Threadripper 1956X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | no data |
| AES-NI | + | - |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| SIPP | + | - |
Security technologies
Core i9-9900K and Ryzen Threadripper 1956X technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Secure Key | + | no data |
| MPX | + | - |
| Identity Protection | + | - |
| SGX | Yes with Intel® ME | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-9900K and Ryzen Threadripper 1956X are enumerated here.
| AMD-V | + | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-9900K and Ryzen Threadripper 1956X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4 |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 44.668 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics 630 | no data |
| Max video memory | 64 GB | no data |
| Quick Sync Video | + | - |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.2 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i9-9900K and Ryzen Threadripper 1956X integrated GPUs.
| Number of displays supported | 3 | no data |
Graphics image quality
Maximum display resolutions supported by Core i9-9900K and Ryzen Threadripper 1956X integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096 x 2304@24Hz | no data |
| Max resolution over eDP | 4096 x 2304@60Hz | no data |
| Max resolution over DisplayPort | 4096 x 2304@60Hz | no data |
Graphics API support
APIs supported by Core i9-9900K and Ryzen Threadripper 1956X integrated GPUs, sometimes API versions are included.
| DirectX | 12 | no data |
| OpenGL | 4.5 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i9-9900K and Ryzen Threadripper 1956X.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 16 | no data |
Pros & cons summary
| Physical cores | 8 | 12 |
| Power consumption (TDP) | 95 Watt | 125 Watt |
i9-9900K has 31.6% lower power consumption.
Ryzen Threadripper 1956X, on the other hand, has 50% more physical cores.
We couldn't decide between Core i9-9900K and Ryzen Threadripper 1956X. We've got no test results to judge.
Should you still have questions on choice between Core i9-9900K and Ryzen Threadripper 1956X, ask them in Comments section, and we shall answer.
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