i9-12900HX vs Xeon Platinum 9221
Primary details
Comparing Xeon Platinum 9221 and Core i9-12900HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 250 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Series | Intel Xeon Platinum | no data |
| Power efficiency | no data | 36.80 |
| Architecture codename | Cascade Lake-AP (2019) | Alder Lake-HX (2022) |
| Release date | 2 April 2019 (5 years ago) | 10 May 2022 (2 years ago) |
Detailed specifications
Xeon Platinum 9221 and Core i9-12900HX 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 | 32 (Dotriaconta-Core) | 16 (Hexadeca-Core) |
| Threads | 64 | 24 |
| Base clock speed | 2.3 GHz | 2.3 GHz |
| Boost clock speed | 3.7 GHz | 5 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| Multiplier | 21 | no data |
| L1 cache | 2 MB | 80K (per core) |
| L2 cache | 32 MB | 1.25 MB (per core) |
| L3 cache | 71.5 MB (shared) | 30 MB (shared) |
| Chip lithography | 14 nm | Intel 7 nm |
| Die size | no data | 215 mm2 |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 8,000 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon Platinum 9221 and Core i9-12900HX 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 | 8 | 1 |
| Socket | Intel BGA5903 | FCBGA1964 |
| Power consumption (TDP) | 250 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Platinum 9221 and Core i9-12900HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX-512 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| FMA | - | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | + |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
Security technologies
Xeon Platinum 9221 and Core i9-12900HX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Platinum 9221 and Core i9-12900HX are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 9221 and Core i9-12900HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2933 | DDR4, DDR5 |
| Maximum memory size | 2 TiB | 128 GB |
| Max memory channels | 12 | 2 |
| Maximum memory bandwidth | 281.6 GB/s | 76.8 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® UHD Graphics for 12th Gen Intel® Processors |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.55 GHz |
| Execution Units | no data | 32 |
Graphics interfaces
Available interfaces and connections of Xeon Platinum 9221 and Core i9-12900HX integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Xeon Platinum 9221 and Core i9-12900HX integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096 x 2304 @ 60Hz |
| Max resolution over eDP | no data | 5120 x 3200 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Xeon Platinum 9221 and Core i9-12900HX integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.1 |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Xeon Platinum 9221 and Core i9-12900HX.
| PCIe version | 3.0 | 5.0 and 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Recency | 2 April 2019 | 10 May 2022 |
| Physical cores | 32 | 16 |
| Threads | 64 | 24 |
| Power consumption (TDP) | 250 Watt | 55 Watt |
Xeon Platinum 9221 has 100% more physical cores and 166.7% more threads.
i9-12900HX, on the other hand, has an age advantage of 3 years, and 354.5% lower power consumption.
We couldn't decide between Xeon Platinum 9221 and Core i9-12900HX. We've got no test results to judge.
Be aware that Xeon Platinum 9221 is a server/workstation processor while Core i9-12900HX is a notebook one.
Should you still have questions on choice between Xeon Platinum 9221 and Core i9-12900HX, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
