EPYC 9745 vs Phenom II X3 720
Aggregate performance score
EPYC 9745 outperforms Phenom II X3 720 by a whopping 9403% based on our aggregate benchmark results.
Primary details
Comparing Phenom II X3 720 and EPYC 9745 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2531 | 2 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 5.16 | 1.49 |
| Market segment | Desktop processor | Server |
| Power efficiency | 0.99 | 22.40 |
| Designer | AMD | AMD |
| Architecture codename | Heka (2009−2010) | Turin (2024) |
| Release date | 1 January 2010 (15 years ago) | 10 October 2024 (less than a year ago) |
| Launch price (MSRP) | $75 | $12,141 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Phenom II X3 720 has 246% better value for money than EPYC 9745.
Detailed specifications
Phenom II X3 720 and EPYC 9745 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 | 3 (Tri-Core) | 128 |
| Threads | 3 | 256 |
| Base clock speed | 2.8 GHz | 2.4 GHz |
| Boost clock speed | 2.8 GHz | 3.7 GHz |
| L1 cache | 128 KB (per core) | 80 KB (per core) |
| L2 cache | 512 KB (per core) | 1 MB (per core) |
| L3 cache | 6 MB (shared) | 256 MB (shared) |
| Chip lithography | 45 nm | 3 nm |
| Die size | 258 mm2 | no data |
| Number of transistors | 758 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Phenom II X3 720 and EPYC 9745 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 | AM3 | SP5 |
| Power consumption (TDP) | 95 Watt | 400 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X3 720 and EPYC 9745. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X3 720 and EPYC 9745 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X3 720 and EPYC 9745. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Phenom II X3 720 and EPYC 9745.
| PCIe version | 2.0 | 5.0 |
| PCI Express lanes | no data | 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 | 0.99 | 94.08 |
| Recency | 1 January 2010 | 10 October 2024 |
| Physical cores | 3 | 128 |
| Threads | 3 | 256 |
| Chip lithography | 45 nm | 3 nm |
| Power consumption (TDP) | 95 Watt | 400 Watt |
Phenom II X3 720 has 321.1% lower power consumption.
EPYC 9745, on the other hand, has a 9403% higher aggregate performance score, an age advantage of 14 years, 4166.7% more physical cores and 8433.3% more threads, and a 1400% more advanced lithography process.
The AMD EPYC 9745 is our recommended choice as it beats the AMD Phenom II X3 720 in performance tests.
Note that Phenom II X3 720 is a desktop processor while EPYC 9745 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.
