Ryzen 9 8945HX vs Xeon Gold 6338T
Aggregate performance score
Ryzen 9 8945HX outperforms Xeon Gold 6338T by a considerable 40% 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 | 307 | 185 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Power efficiency | 5.22 | 21.97 |
| Designer | Intel | AMD |
| Manufacturer | Intel | TSMC |
| Architecture codename | Ice Lake-SP (2021) | Dragon Range (2025) |
| Release date | 6 April 2021 (4 years ago) | 23 April 2025 (less than a year ago) |
Detailed specifications
Xeon Gold 6338T and Ryzen 9 8945HX 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 | 32 |
| Base clock speed | 2.1 GHz | 2.5 GHz |
| Boost clock speed | 3.4 GHz | 5.4 GHz |
| L1 cache | 64K (per core) | 64 KB (per core) |
| L2 cache | 1 MB (per core) | 1 MB (per core) |
| L3 cache | 36 MB (shared) | 64 MB (shared) |
| Chip lithography | 10 nm | 5 nm |
| Die size | no data | 2x 71 mm2 |
| Maximum case temperature (TCase) | 87 °C | no data |
| Number of transistors | no data | 13,140 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon Gold 6338T and Ryzen 9 8945HX 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 | 2 | 1 |
| Socket | FCLGA4189 | FL1 |
| Power consumption (TDP) | 165 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Gold 6338T and Ryzen 9 8945HX. 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 | no data |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Precision Boost 2 | no data | + |
| Deep Learning Boost | + | - |
Security technologies
Xeon Gold 6338T and Ryzen 9 8945HX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| SGX | Yes with Intel® SPS | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Gold 6338T and Ryzen 9 8945HX 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 Xeon Gold 6338T and Ryzen 9 8945HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR5 |
| Maximum memory size | 6 TB | no data |
| Max memory channels | 8 | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 610M |
Peripherals
Specifications and connection of peripherals supported by Xeon Gold 6338T and Ryzen 9 8945HX.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 64 | 28 |
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 | 20.29 | 28.48 |
| Recency | 6 April 2021 | 23 April 2025 |
| Physical cores | 24 | 16 |
| Threads | 48 | 32 |
| Chip lithography | 10 nm | 5 nm |
| Power consumption (TDP) | 165 Watt | 55 Watt |
Xeon Gold 6338T has 50% more physical cores and 50% more threads.
Ryzen 9 8945HX, on the other hand, has a 40.4% higher aggregate performance score, an age advantage of 4 years, a 100% more advanced lithography process, and 200% lower power consumption.
The AMD Ryzen 9 8945HX is our recommended choice as it beats the Intel Xeon Gold 6338T in performance tests.
Be aware that Xeon Gold 6338T is a server/workstation processor while Ryzen 9 8945HX is a notebook one.
Other comparisons
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