Athlon II X4 640 vs EPYC 7401P
Aggregate performance score
EPYC 7401P outperforms Athlon II X4 640 by a whopping 1123% 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 | 510 | 2517 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 3.60 | 2.92 |
| Market segment | Server | Desktop processor |
| Series | AMD EPYC | no data |
| Power efficiency | 3.95 | 0.58 |
| Designer | AMD | AMD |
| Architecture codename | Naples (2017−2018) | Propus (2009−2011) |
| Release date | 29 June 2017 (8 years ago) | 11 May 2010 (15 years ago) |
| Launch price (MSRP) | $1,075 | $80 |
Cost-effectiveness evaluation
Performance per price, higher is better.
EPYC 7401P has 23% better value for money than Athlon II X4 640.
Performance to price scatter graph
Detailed specifications
EPYC 7401P and Athlon II X4 640 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) | 4 (Quad-Core) |
| Threads | 48 | 4 |
| Base clock speed | 2 GHz | 3 GHz |
| Boost clock speed | 3 GHz | 3 GHz |
| Multiplier | 20 | no data |
| L1 cache | 96K (per core) | 128 KB (per core) |
| L2 cache | 512K (per core) | 512 KB (per core) |
| L3 cache | 64 MB (shared) | 0 KB |
| Chip lithography | 14 nm | 45 nm |
| Die size | 192 mm2 | 169 mm2 |
| Number of transistors | 4,800 million | 300 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on EPYC 7401P and Athlon II X4 640 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 (Uniprocessor) | 1 |
| Socket | TR4 | AM3 |
| Power consumption (TDP) | 170 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7401P and Athlon II X4 640. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| AVX | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 7401P and Athlon II X4 640 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 7401P and Athlon II X4 640. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Eight-channel | DDR3 |
| Maximum memory size | 2 TiB | no data |
| Max memory channels | 8 | no data |
| Maximum memory bandwidth | 170.671 GB/s | no data |
| ECC memory support | + | - |
Peripherals
Specifications and connection of peripherals supported by EPYC 7401P and Athlon II X4 640.
| PCIe version | 3.0 | 2.0 |
| PCI Express lanes | 128 | no data |
Synthetic benchmarks
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.
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.
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.
Pros & cons summary
| Performance score | 15.90 | 1.30 |
| Recency | 29 June 2017 | 11 May 2010 |
| Physical cores | 24 | 4 |
| Threads | 48 | 4 |
| Chip lithography | 14 nm | 45 nm |
| Power consumption (TDP) | 170 Watt | 95 Watt |
EPYC 7401P has a 1123% higher aggregate performance score, an age advantage of 7 years, 500% more physical cores and 1100% more threads, and a 221% more advanced lithography process.
Athlon II X4 640, on the other hand, has 79% lower power consumption.
The AMD EPYC 7401P is our recommended choice as it beats the AMD Athlon II X4 640 in performance tests.
Be aware that EPYC 7401P is a server/workstation processor while Athlon II X4 640 is a desktop one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
