i9-12900 vs Xeon Platinum 8268
Aggregate performance score
Xeon Platinum 8268 outperforms Core i9-12900 by a minimal 1% based on our aggregate benchmark results.
Primary details
Comparing Xeon Platinum 8268 and Core i9-12900 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 240 | 244 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 5.58 | 33.30 |
| Market segment | Server | Desktop processor |
| Series | Intel Xeon Platinum | no data |
| Power efficiency | 10.02 | 31.42 |
| Architecture codename | Cascade Lake-SP (2018) | Alder Lake-S (2022) |
| Release date | 11 December 2018 (5 years ago) | 4 January 2022 (2 years ago) |
| Launch price (MSRP) | $6,302 | $489 |
Cost-effectiveness evaluation
Performance per price, higher is better.
i9-12900 has 497% better value for money than Xeon Platinum 8268.
Detailed specifications
Xeon Platinum 8268 and Core i9-12900 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) | 16 (Hexadeca-Core) |
| Threads | 48 | 24 |
| Base clock speed | 2.9 GHz | 2.4 GHz |
| Boost clock speed | 3.9 GHz | 5.1 GHz |
| Multiplier | 29 | no data |
| L1 cache | 64 KB (per core) | 80K (per core) |
| L2 cache | 1 MB (per core) | 1.25 MB (per core) |
| L3 cache | 35.75 MB (shared) | 30 MB (shared) |
| Chip lithography | 14 nm | Intel 7 nm |
| Die size | no data | 215 mm2 |
| Maximum core temperature | 84 °C | 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 8268 and Core i9-12900 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 (Multiprocessor) | 1 |
| Socket | FCLGA3647 | FCLGA1700 |
| Power consumption (TDP) | 205 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Platinum 8268 and Core i9-12900. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| SIPP | - | + |
| Turbo Boost Max 3.0 | - | + |
| Deep Learning Boost | + | + |
Security technologies
Xeon Platinum 8268 and Core i9-12900 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Platinum 8268 and Core i9-12900 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8268 and Core i9-12900. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2933 | DDR4, DDR5 |
| Maximum memory size | 1 TB | 128 GB |
| Max memory channels | 6 | 2 |
| Maximum memory bandwidth | 140.8 GB/s | 76.8 GB/s |
| ECC memory support | + | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | Intel UHD Graphics 770 |
| Quick Sync Video | - | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.55 GHz |
| Execution Units | no data | 32 |
Graphics interfaces
Available interfaces and connections of Xeon Platinum 8268 and Core i9-12900 integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Xeon Platinum 8268 and Core i9-12900 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096 x 2160 @ 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 8268 and Core i9-12900 integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Xeon Platinum 8268 and Core i9-12900.
| PCIe version | 3.0 | 5.0 and 4.0 |
| PCI Express lanes | 48 | 20 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Performance score | 21.71 | 21.58 |
| Recency | 11 December 2018 | 4 January 2022 |
| Physical cores | 24 | 16 |
| Threads | 48 | 24 |
| Power consumption (TDP) | 205 Watt | 65 Watt |
Xeon Platinum 8268 has a 0.6% higher aggregate performance score, and 50% more physical cores and 100% more threads.
i9-12900, on the other hand, has an age advantage of 3 years, and 215.4% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Xeon Platinum 8268 and Core i9-12900.
Be aware that Xeon Platinum 8268 is a server/workstation processor while Core i9-12900 is a desktop one.
Should you still have questions on choice between Xeon Platinum 8268 and Core i9-12900, ask them in Comments section, and we shall answer.
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