EPYC 7643 vs Atom x5-E3930
Aggregate performance score
EPYC 7643 outperforms Atom x5-E3930 by a whopping 8055% 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 | 2997 | 50 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 6.88 |
| Market segment | Laptop | Server |
| Series | 5x Intel Atom | AMD EPYC |
| Power efficiency | 3.20 | 8.13 |
| Designer | Intel | AMD |
| Manufacturer | Intel | TSMC |
| Architecture codename | Apollo Lake (2014−2016) | Milan (2021−2023) |
| Release date | 30 August 2014 (10 years ago) | 15 March 2021 (4 years ago) |
| Launch price (MSRP) | no data | $4,995 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Atom x5-E3930 and EPYC 7643 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) | 48 (Octatetraconta-Core) |
| Threads | 2 | 96 |
| Base clock speed | 1.3 GHz | 2.3 GHz |
| Boost clock speed | 1.8 GHz | 3.6 GHz |
| Multiplier | no data | 23 |
| L1 cache | 56K (per core) | 64 KB (per core) |
| L2 cache | 2 MB (shared) | 512 KB (per core) |
| L3 cache | 0 KB | 256 MB (shared) |
| Chip lithography | 14 nm | 7 nm+ |
| Die size | no data | 8x 81 mm2 |
| Maximum case temperature (TCase) | 103 °C | no data |
| Number of transistors | no data | 33,200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Atom x5-E3930 and EPYC 7643 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) | 2 |
| Socket | Intel BGA 1296 | SP3 |
| Power consumption (TDP) | 7 Watt | 225 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom x5-E3930 and EPYC 7643. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
Security technologies
Atom x5-E3930 and EPYC 7643 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom x5-E3930 and EPYC 7643 are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom x5-E3930 and EPYC 7643. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1866 | DDR4-3200 |
| Maximum memory size | 8 GB | 4 TiB |
| Maximum memory bandwidth | no data | 204.795 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 500 | N/A |
Peripherals
Specifications and connection of peripherals supported by Atom x5-E3930 and EPYC 7643.
| PCIe version | 2.0 | 4.0 |
| PCI Express lanes | 4 | 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 | 0.58 | 47.30 |
| Recency | 30 August 2014 | 15 March 2021 |
| Physical cores | 2 | 48 |
| Threads | 2 | 96 |
| Chip lithography | 14 nm | 7 nm |
| Power consumption (TDP) | 7 Watt | 225 Watt |
Atom x5-E3930 has 3114.3% lower power consumption.
EPYC 7643, on the other hand, has a 8055.2% higher aggregate performance score, an age advantage of 6 years, 2300% more physical cores and 4700% more threads, and a 100% more advanced lithography process.
The AMD EPYC 7643 is our recommended choice as it beats the Intel Atom x5-E3930 in performance tests.
Be aware that Atom x5-E3930 is a notebook processor while EPYC 7643 is a server/workstation one.
Other comparisons
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