EPYC 7551P vs Athlon II P340
Aggregate performance score
EPYC 7551P outperforms Athlon II P340 by a whopping 5083% 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 | 3262 | 319 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 3.46 |
| Market segment | Laptop | Server |
| Series | AMD Athlon II | AMD EPYC |
| Power efficiency | 0.71 | 5.11 |
| Designer | AMD | AMD |
| Architecture codename | Champlain (2010−2011) | Naples (2017−2018) |
| Release date | 4 October 2010 (15 years ago) | 29 June 2017 (8 years ago) |
| Launch price (MSRP) | no data | $2,100 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Athlon II P340 and EPYC 7551P 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 | 2 (Dual-core) | 32 (Dotriaconta-Core) |
| Threads | 2 | 64 |
| Base clock speed | no data | 2 GHz |
| Boost clock speed | 2.2 GHz | 3 GHz |
| Bus rate | 3200 MHz | no data |
| Multiplier | no data | 20 |
| L1 cache | 256 KB | 96K (per core) |
| L2 cache | 1 MB | 512K (per core) |
| L3 cache | no data | 64 MB (shared) |
| Chip lithography | 45 nm | 14 nm |
| Die size | no data | 192 mm2 |
| Number of transistors | no data | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Athlon II P340 and EPYC 7551P 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 | no data | 1 (Uniprocessor) |
| Socket | S1g4 | TR4 |
| Power consumption (TDP) | 25 Watt | 180 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II P340 and EPYC 7551P. You'll probably need this information if you require some particular technology.
| Instruction set extensions | SSE-3, SSE4A, 3DNow!, MMX, DEP, SVM | no data |
| AES-NI | - | + |
| AVX | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon II P340 and EPYC 7551P are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon II P340 and EPYC 7551P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4 Eight-channel |
| Maximum memory size | no data | 2 TiB |
| Max memory channels | no data | 8 |
| Maximum memory bandwidth | no data | 170.671 GB/s |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Athlon II P340 and EPYC 7551P.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 128 |
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 | 0.42 | 21.77 |
| Recency | 4 October 2010 | 29 June 2017 |
| Physical cores | 2 | 32 |
| Threads | 2 | 64 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 25 Watt | 180 Watt |
Athlon II P340 has 620% lower power consumption.
EPYC 7551P, on the other hand, has a 5083.3% higher aggregate performance score, an age advantage of 6 years, 1500% more physical cores and 3100% more threads, and a 221.4% more advanced lithography process.
The AMD EPYC 7551P is our recommended choice as it beats the AMD Athlon II P340 in performance tests.
Be aware that Athlon II P340 is a notebook processor while EPYC 7551P 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.
