EPYC 4245P vs Ryzen 9 7845HX
Aggregate performance score
Ryzen 9 7845HX outperforms EPYC 4245P by a considerable 45% 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 | 208 | 349 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 64.75 |
| Market segment | Laptop | Server |
| Power efficiency | 49.34 | 28.85 |
| Designer | AMD | AMD |
| Manufacturer | TSMC | TSMC |
| Architecture codename | Dragon Range-HX (Zen 4) (2023−2024) | Grado (2025) |
| Release date | 4 January 2023 (2 years ago) | 13 May 2025 (recently) |
| Launch price (MSRP) | no data | $239 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Ryzen 9 7845HX and EPYC 4245P 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) | 6 (Hexa-Core) |
| Threads | 24 | 12 |
| Base clock speed | 3 GHz | 3.9 GHz |
| Boost clock speed | 5.2 GHz | 5.4 GHz |
| L1 cache | 64K (per core) | 80 KB (per core) |
| L2 cache | 1 MB (per core) | 1 MB (per core) |
| L3 cache | 64 MB (shared) | 32 MB (shared) |
| Chip lithography | CCD = 5 nm, I/O = 6 nm | 4 nm |
| Die size | 2x 71 mm2 | 70.6 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 13,140 million | 8,315 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 7845HX and EPYC 4245P 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 | FL1 | AM5 |
| Power consumption (TDP) | 55 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 7845HX and EPYC 4245P. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME | no data |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 7845HX and EPYC 4245P are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7845HX and EPYC 4245P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 610M (400 - 2200 MHz) | AMD Radeon Graphics |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 7845HX and EPYC 4245P.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 28 | 24 |
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 | 28.13 | 19.44 |
| Integrated graphics card | 2.77 | 1.92 |
| Recency | 4 January 2023 | 13 May 2025 |
| Physical cores | 12 | 6 |
| Threads | 24 | 12 |
| Power consumption (TDP) | 55 Watt | 65 Watt |
Ryzen 9 7845HX has a 44.7% higher aggregate performance score, 44.3% faster integrated GPU, 100% more physical cores and 100% more threads, and 18.2% lower power consumption.
EPYC 4245P, on the other hand, has an age advantage of 2 years.
The AMD Ryzen 9 7845HX is our recommended choice as it beats the AMD EPYC 4245P in performance tests.
Be aware that Ryzen 9 7845HX is a notebook processor while EPYC 4245P is a server/workstation one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
