Ultra 5 235A vs i9-9900KS
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 746 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 9.60 | no data |
| Market segment | Desktop processor | Desktop processor |
| Series | Intel Core i9 | no data |
| Power efficiency | 3.68 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | no data |
| Architecture codename | Coffee Lake-R (2018−2019) | no data |
| Release date | 28 October 2019 (5 years ago) | 1 July 2025 (recently) |
| Launch price (MSRP) | $513 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Core i9-9900KS and Core Ultra 5 235A 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) | 14 (Tetradeca-Core) |
| Performance-cores | no data | 6 |
| Efficient-cores | no data | 8 |
| Threads | 16 | 14 |
| Base clock speed | 4 GHz | no data |
| Boost clock speed | 5 GHz | 5 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| Multiplier | 40 | no data |
| L1 cache | 64 KB (per core) | no data |
| L2 cache | 256 KB (per core) | no data |
| L3 cache | 16 MB (shared) | 24 MB Intel® Smart Cache |
| Chip lithography | 14 nm | no data |
| Die size | 180 mm2 | no data |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i9-9900KS and Core Ultra 5 235A 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) | no data |
| Socket | FCLGA1151 | FCLGA1851 |
| Power consumption (TDP) | 127 Watt | 121 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-9900KS and Core Ultra 5 235A. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| SIPP | + | + |
| Deep Learning Boost | - | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN |
Security technologies
Core i9-9900KS and Core Ultra 5 235A technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| MPX | + | - |
| Identity Protection | + | - |
| SGX | Yes with Intel® ME | no data |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-9900KS and Core Ultra 5 235A are enumerated here.
| AMD-V | + | - |
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-9900KS and Core Ultra 5 235A. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5-6400 |
| Maximum memory size | 128 GB | 256 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 42.671 GB/s | no data |
| ECC memory support | - | + |
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 | 2 GHz |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i9-9900KS and Core Ultra 5 235A integrated GPUs.
| Number of displays supported | 3 | 4 |
Graphics image quality
Maximum display resolutions supported by Core i9-9900KS and Core Ultra 5 235A integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096 x 2304@24Hz | 4K @ 60Hz (HDMI 2.1 TMDS) 8K @ 60Hz (HDMI2.1 FRL) |
| Max resolution over eDP | 4096 x 2304@60Hz | 4K @ 60Hz |
| Max resolution over DisplayPort | 4096 x 2304@60Hz | 8K @ 60Hz |
Graphics API support
APIs supported by Core i9-9900KS and Core Ultra 5 235A integrated GPUs, sometimes API versions are included.
| DirectX | 12 | 12 |
| OpenGL | 4.5 | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Core i9-9900KS and Core Ultra 5 235A.
| PCIe version | 3.0 | 5.0 and 4.0 |
| PCI Express lanes | 16 | 24 |
Pros & cons summary
| Recency | 28 October 2019 | 1 July 2025 |
| Physical cores | 8 | 14 |
| Threads | 16 | 14 |
| Power consumption (TDP) | 127 Watt | 121 Watt |
i9-9900KS has 14.3% more threads.
Ultra 5 235A, on the other hand, has an age advantage of 5 years, 75% more physical cores, and 5% lower power consumption.
We couldn't decide between Intel Core i9-9900KS and Intel Core Ultra 5 235A. We've got no test results to judge.
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