i9-12900HK vs EPYC 4345P
Aggregate performance score
EPYC 4345P outperforms Core i9-12900HK by a considerable 46% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 262 | 476 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 60.51 | no data |
| Market segment | Server | Laptop |
| Series | no data | Intel Alder Lake-P |
| Power efficiency | 34.77 | 34.53 |
| Designer | AMD | Intel |
| Manufacturer | TSMC | Intel |
| Architecture codename | Grado (2025) | Alder Lake-H (2022) |
| Release date | 13 May 2025 (recently) | 4 January 2022 (3 years ago) |
| Launch price (MSRP) | $329 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
EPYC 4345P and Core i9-12900HK 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 | 20 |
| Base clock speed | 3.8 GHz | 2.5 GHz |
| Boost clock speed | 5.5 GHz | 5 GHz |
| L1 cache | 80 KB (per core) | 80K (per core) |
| L2 cache | 1 MB (per core) | 1.25 MB (per core) |
| L3 cache | 32 MB (shared) | 24 MB (shared) |
| Chip lithography | 4 nm | Intel 7 nm |
| Die size | 70.6 mm2 | 217 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 8,315 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | + |
| Unlocked multiplier | - | + |
Compatibility
Information on EPYC 4345P and Core i9-12900HK 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 | AM5 | FCBGA1744 |
| Power consumption (TDP) | 65 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 4345P and Core i9-12900HK. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| 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
EPYC 4345P and Core i9-12900HK technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 4345P and Core i9-12900HK 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 EPYC 4345P and Core i9-12900HK. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4, DDR5 |
| Maximum memory size | no data | 64 GB |
| Max memory channels | no data | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon Graphics | Intel® Iris® Xe Graphics eligible |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.45 GHz |
| Execution Units | no data | 96 |
Graphics interfaces
Available interfaces and connections of EPYC 4345P and Core i9-12900HK integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by EPYC 4345P and Core i9-12900HK 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 | 4096 x 2304 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by EPYC 4345P and Core i9-12900HK 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 EPYC 4345P and Core i9-12900HK.
| PCIe version | 5.0 | 4.0 |
| PCI Express lanes | 24 | 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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 23.43 | 16.10 |
| Recency | 13 May 2025 | 4 January 2022 |
| Physical cores | 8 | 14 |
| Threads | 16 | 20 |
| Power consumption (TDP) | 65 Watt | 45 Watt |
EPYC 4345P has a 45.5% higher aggregate performance score, and an age advantage of 3 years.
i9-12900HK, on the other hand, has 75% more physical cores and 25% more threads, and 44.4% lower power consumption.
The AMD EPYC 4345P is our recommended choice as it beats the Intel Core i9-12900HK in performance tests.
Be aware that EPYC 4345P is a server/workstation processor while Core i9-12900HK is a notebook one.
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