Ryzen 5 PRO 8645HS vs i9-14900HX
Primary details
Comparing Core i9-14900HX and Ryzen 5 PRO 8645HS processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 158 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Raptor Lake-HX | no data |
| Power efficiency | 49.45 | no data |
| Architecture codename | Raptor Lake-HX Refresh (2024) | Hawk Point (2024) |
| Release date | 8 January 2024 (less than a year ago) | 16 April 2024 (less than a year ago) |
Detailed specifications
Core i9-14900HX and Ryzen 5 PRO 8645HS 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 | 24 (Tetracosa-Core) | 6 (Hexa-Core) |
| Performance-cores | 8 | no data |
| Efficient-cores | 16 | no data |
| Threads | 32 | 12 |
| Base clock speed | 2.2 GHz | 4.3 GHz |
| Boost clock speed | 5.7 GHz | 5 GHz |
| Bus rate | 157 MHz | no data |
| L1 cache | 80 KB (per core) | 64 KB (per core) |
| L2 cache | 2 MB (per core) | 1 MB (per core) |
| L3 cache | 36 MB (shared) | 16 MB (shared) |
| Chip lithography | Intel 7 nm | 4 nm |
| Die size | 257 mm2 | 178 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 25,000 million |
| 64 bit support | + | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i9-14900HX and Ryzen 5 PRO 8645HS 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 | 1 |
| Socket | FCBGA1964 | FP7 |
| Power consumption (TDP) | 55 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-14900HX and Ryzen 5 PRO 8645HS. 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 | + | + |
| FMA | + | - |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | + | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Turbo Boost Max 3.0 | + | no data |
| Precision Boost 2 | no data | + |
| Deep Learning Boost | + | - |
Security technologies
Core i9-14900HX and Ryzen 5 PRO 8645HS technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| Secure Key | + | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-14900HX and Ryzen 5 PRO 8645HS 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 i9-14900HX and Ryzen 5 PRO 8645HS. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4, DDR5 | DDR5 |
| Maximum memory size | 192 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 89.6 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel UHD Graphics for 14th Gen Intel Processors | AMD Radeon 760M |
| Quick Sync Video | + | - |
| Graphics max frequency | 1.65 GHz | no data |
| Execution Units | 32 | no data |
Graphics interfaces
Available interfaces and connections of Core i9-14900HX and Ryzen 5 PRO 8645HS integrated GPUs.
| Number of displays supported | 4 | no data |
Graphics image quality
Maximum display resolutions supported by Core i9-14900HX and Ryzen 5 PRO 8645HS integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 4096 x 2160 @ 60Hz | no data |
| Max resolution over eDP | 5120 x 3200 @ 120Hz | no data |
| Max resolution over DisplayPort | 7680 x 4320 @ 60Hz | no data |
Graphics API support
APIs supported by Core i9-14900HX and Ryzen 5 PRO 8645HS integrated GPUs, sometimes API versions are included.
| DirectX | 12.1 | no data |
| OpenGL | 4.6 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i9-14900HX and Ryzen 5 PRO 8645HS.
| PCIe version | 5.0 and 4.0 | 4.0 |
| PCI Express lanes | 16 | 20 |
Pros & cons summary
| Integrated graphics card | 5.58 | 14.88 |
| Recency | 8 January 2024 | 16 April 2024 |
| Physical cores | 24 | 6 |
| Threads | 32 | 12 |
| Power consumption (TDP) | 55 Watt | 45 Watt |
i9-14900HX has 300% more physical cores and 166.7% more threads.
Ryzen 5 PRO 8645HS, on the other hand, has 166.7% faster integrated GPU, an age advantage of 3 months, and 22.2% lower power consumption.
We couldn't decide between Core i9-14900HX and Ryzen 5 PRO 8645HS. We've got no test results to judge.
Be aware that Core i9-14900HX is a notebook processor while Ryzen 5 PRO 8645HS is a server/workstation one.
Should you still have questions on choice between Core i9-14900HX and Ryzen 5 PRO 8645HS, ask them in Comments section, and we shall answer.
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