EPYC 7261 vs A4-3305M
Primary details
Comparing A4-3305M and EPYC 7261 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 990 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | AMD A-Series | AMD EPYC |
| Power efficiency | no data | 3.91 |
| Architecture codename | Llano (2011−2012) | Naples (2017−2018) |
| Release date | 14 June 2011 (13 years ago) | 14 June 2018 (6 years ago) |
Detailed specifications
A4-3305M and EPYC 7261 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) | 8 (Octa-Core) |
| Threads | 2 | 16 |
| Base clock speed | 1.9 GHz | 2.5 GHz |
| Boost clock speed | 2.5 GHz | 2.9 GHz |
| Multiplier | no data | 25 |
| L1 cache | 128K (per core) | 96K (per core) |
| L2 cache | 512K (per core) | 512K (per core) |
| L3 cache | 0 KB | 32 MB (shared) |
| Chip lithography | 32 nm | 14 nm |
| Die size | 228 mm2 | 213 mm2 |
| Maximum case temperature (TCase) | no data | 81 °C |
| Number of transistors | 1,178 million | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on A4-3305M and EPYC 7261 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 | FS1 | SP3 |
| Power consumption (TDP) | 35 Watt | 170 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A4-3305M and EPYC 7261. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 3DNow!, MMX, SSE, SSE2, SSE3, SSE4a, Radeon HD 6480G | no data |
| AES-NI | - | + |
| AVX | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A4-3305M and EPYC 7261 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A4-3305M and EPYC 7261. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4-2666 |
| 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 | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 6480G | no data |
Peripherals
Specifications and connection of peripherals supported by A4-3305M and EPYC 7261.
| PCIe version | no data | 3.0 |
| 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.
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
| Recency | 14 June 2011 | 14 June 2018 |
| Physical cores | 2 | 8 |
| Threads | 2 | 16 |
| Chip lithography | 32 nm | 14 nm |
| Power consumption (TDP) | 35 Watt | 170 Watt |
A4-3305M has 385.7% lower power consumption.
EPYC 7261, on the other hand, has an age advantage of 7 years, 300% more physical cores and 700% more threads, and a 128.6% more advanced lithography process.
We couldn't decide between A4-3305M and EPYC 7261. We've got no test results to judge.
Be aware that A4-3305M is a notebook processor while EPYC 7261 is a server/workstation one.
Should you still have questions on choice between A4-3305M and EPYC 7261, ask them in Comments section, and we shall answer.
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