EPYC 7282 vs Sempron 3400+
Aggregate performance score
EPYC 7282 outperforms Sempron 3400+ by a whopping 10556% based on our aggregate benchmark results.
Primary details
Comparing Sempron 3400+ and EPYC 7282 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3253 | 304 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 15.38 |
| Market segment | Desktop processor | Server |
| Series | no data | AMD EPYC |
| Power efficiency | 0.27 | 15.05 |
| Architecture codename | Palermo (2001−2005) | Zen 2 (2017−2020) |
| Release date | 1 October 2005 (19 years ago) | 7 August 2019 (5 years ago) |
| Launch price (MSRP) | $30 | $650 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Sempron 3400+ and EPYC 7282 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 | 1 (Single-Core) | 16 (Hexadeca-Core) |
| Threads | 1 | 32 |
| Base clock speed | no data | 2.8 GHz |
| Boost clock speed | 2 GHz | 3.2 GHz |
| Multiplier | no data | 28 |
| L1 cache | 128 KB | 96K (per core) |
| L2 cache | 128 KB | 512K (per core) |
| L3 cache | 0 KB | 64 MB (shared) |
| Chip lithography | 90 nm | 7 nm, 14 nm |
| Die size | 103 mm2 | 192 mm2 |
| Number of transistors | 63 million | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Sempron 3400+ and EPYC 7282 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 (Multiprocessor) |
| Socket | 939 | TR4 |
| Power consumption (TDP) | 62 Watt | 120 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Sempron 3400+ and EPYC 7282. 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 Sempron 3400+ and EPYC 7282 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Sempron 3400+ and EPYC 7282. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1 | DDR4 Eight-channel |
| Maximum memory size | no data | 4 TiB |
| Max memory channels | no data | 8 |
| Maximum memory bandwidth | no data | 204.763 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | no data |
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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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.
Pros & cons summary
| Performance score | 0.18 | 19.18 |
| Recency | 1 October 2005 | 7 August 2019 |
| Physical cores | 1 | 16 |
| Threads | 1 | 32 |
| Chip lithography | 90 nm | 7 nm |
| Power consumption (TDP) | 62 Watt | 120 Watt |
Sempron 3400+ has 93.5% lower power consumption.
EPYC 7282, on the other hand, has a 10555.6% higher aggregate performance score, an age advantage of 13 years, 1500% more physical cores and 3100% more threads, and a 1185.7% more advanced lithography process.
The EPYC 7282 is our recommended choice as it beats the Sempron 3400+ in performance tests.
Note that Sempron 3400+ is a desktop processor while EPYC 7282 is a server/workstation one.
Should you still have questions on choice between Sempron 3400+ and EPYC 7282, ask them in Comments section, and we shall answer.
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