Core i9-12900K vs Ryzen Threadripper PRO 3945WX
Aggregated performance score
Core i9-12900K outperforms Ryzen Threadripper PRO 3945WX by 23% based on our aggregated benchmark results.
General info
Comparing Ryzen Threadripper PRO 3945WX and Core i9-12900K processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 215 | 155 |
| Place by popularity | not in top-100 | 36 |
| Value for money | 9.20 | 56.48 |
| Market segment | Server | Desktop processor |
| Series | AMD Ryzen Threadripper | Intel Core i9 |
| Architecture codename | Matisse (2019−2020) | Alder Lake-S (2022) |
| Release date | 14 July 2020 (3 years old) | 4 November 2021 (2 years old) |
| Launch price (MSRP) | no data | $589 |
| Current price | $1961 | $478 (0.8x MSRP) |
Value for money
Performance per price, higher is better.
i9-12900K has 514% better value for money than Ryzen Threadripper PRO 3945WX.
Technical specs
Ryzen Threadripper PRO 3945WX and Core i9-12900K 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 | 12 (Dodeca-Core) | 16 (Hexadeca-Core) |
| Threads | 24 | 24 |
| Base clock speed | 4 GHz | 3.2 GHz |
| Boost clock speed | 4.3 GHz | 5.2 GHz |
| L1 cache | 64K (per core) | 80K (per core) |
| L2 cache | 512K (per core) | 1.25 MB (per core) |
| L3 cache | 64 MB | 30 MB (shared) |
| Chip lithography | 7 nm, 12 nm | 10 nm |
| Die size | 74 mm2 | 215.25 mm2"20.5 mm × 10.5 mm |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 95 °C | 72 °C |
| Number of transistors | 3,800 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | Yes | Yes |
Compatibility
Information on Ryzen Threadripper PRO 3945WX and Core i9-12900K 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 | TR4 | FCLGA1700 |
| Power consumption (TDP) | 280 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Threadripper PRO 3945WX and Core i9-12900K. 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 | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | no data | + |
| SIPP | no data | + |
| Turbo Boost Max 3.0 | no data | + |
| Status | no data | Launched |
Security technologies
Ryzen Threadripper PRO 3945WX and Core i9-12900K 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 Ryzen Threadripper PRO 3945WX and Core i9-12900K are enumerated here.
| AMD-V | + | no data |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper PRO 3945WX and Core i9-12900K. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR4, DDR5 |
| Maximum memory size | 2 TiB | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | 204.8 GB/s | 76.8 GB/s |
| ECC memory support | no data | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | - | Intel UHD Graphics 770 |
| Quick Sync Video | - | + |
| Clear Video HD | - | + |
| Graphics max frequency | - | 1.55 GHz |
| Execution Units | - | 32 |
Graphics interfaces
Available interfaces and connections of Ryzen Threadripper PRO 3945WX and Core i9-12900K integrated GPUs.
| Number of displays supported | - | 4 |
Graphics image quality
Maximum display resolutions supported by Ryzen Threadripper PRO 3945WX and Core i9-12900K integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | - | 4096 x 2160 @ 60Hz |
| Max resolution over eDP | - | 5120 x 3200 @ 120Hz |
| Max resolution over DisplayPort | - | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Ryzen Threadripper PRO 3945WX and Core i9-12900K integrated GPUs, sometimes API versions are included.
| DirectX | - | 12 |
| OpenGL | - | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Ryzen Threadripper PRO 3945WX and Core i9-12900K.
| PCIe version | 4.0 | 5.0 and 4.0 |
| PCI Express lanes | 128 | 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.
Core i9-12900K outperforms Ryzen Threadripper PRO 3945WX by 23% based on our aggregated benchmark results.
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.
Benchmark coverage: 68%
Core i9-12900K outperforms Ryzen Threadripper PRO 3945WX by 23% in Passmark.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
Benchmark coverage: 42%
Core i9-12900K outperforms Ryzen Threadripper PRO 3945WX by 58% in GeekBench 5 Single-Core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Benchmark coverage: 42%
Core i9-12900K outperforms Ryzen Threadripper PRO 3945WX by 44% in GeekBench 5 Multi-Core.
Advantages and disadvantages
| Performance score | 21.87 | 27.00 |
| Recency | 14 July 2020 | 4 November 2021 |
| Physical cores | 12 | 16 |
| Chip lithography | 7 nm | 10 nm |
| Power consumption (TDP) | 280 Watt | 125 Watt |
The Core i9-12900K is our recommended choice as it beats the Ryzen Threadripper PRO 3945WX in performance tests.
Be aware that Ryzen Threadripper PRO 3945WX is a server/workstation processor while Core i9-12900K is a desktop one.
Should you still have questions on choice between Ryzen Threadripper PRO 3945WX and Core i9-12900K, ask them in Comments section, and we shall answer.
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