EPYC 9734 vs EPYC 4245P
Aggregate performance score
EPYC 9734 outperforms EPYC 4245P by a whopping 227% 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 | 356 | 19 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 65.04 | 2.56 |
| Market segment | Server | Server |
| Power efficiency | 11.59 | 7.24 |
| Designer | AMD | AMD |
| Manufacturer | TSMC | TSMC |
| Architecture codename | Grado (2025) | Bergamo (2023) |
| Release date | 13 May 2025 (less than a year ago) | 13 June 2023 (2 years ago) |
| Launch price (MSRP) | $239 | $9,600 |
Cost-effectiveness evaluation
Performance per price, higher is better.
EPYC 4245P has 2441% better value for money than EPYC 9734.
Performance to price scatter graph
Detailed specifications
EPYC 4245P and EPYC 9734 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 | 6 (Hexa-Core) | 112 |
| Threads | 12 | 224 |
| Base clock speed | 3.9 GHz | 2.2 GHz |
| Boost clock speed | 5.4 GHz | 3 GHz |
| L1 cache | 80 KB (per core) | 64 KB (per core) |
| L2 cache | 1 MB (per core) | 1 MB (per core) |
| L3 cache | 32 MB (shared) | 256 MB (shared) |
| Chip lithography | 4 nm | 5 nm |
| Die size | 70.6 mm2 | 8x 73 mm2 |
| Number of transistors | 8,315 million | 71,000 million |
| 64 bit support | + | + |
Compatibility
Information on EPYC 4245P and EPYC 9734 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 | 2 |
| Socket | AM5 | SP5 |
| Power consumption (TDP) | 65 Watt | 340 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 4245P and EPYC 9734. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 4245P and EPYC 9734 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 4245P and EPYC 9734. 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 Graphics | N/A |
Peripherals
Specifications and connection of peripherals supported by EPYC 4245P and EPYC 9734.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 24 | 128 |
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 | 19.48 | 63.62 |
| Recency | 13 May 2025 | 13 June 2023 |
| Physical cores | 6 | 112 |
| Threads | 12 | 224 |
| Chip lithography | 4 nm | 5 nm |
| Power consumption (TDP) | 65 Watt | 340 Watt |
EPYC 4245P has an age advantage of 1 year, a 25% more advanced lithography process, and 423.1% lower power consumption.
EPYC 9734, on the other hand, has a 226.6% higher aggregate performance score, and 1766.7% more physical cores and 1766.7% more threads.
The AMD EPYC 9734 is our recommended choice as it beats the AMD EPYC 4245P in performance tests.
Other comparisons
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