EPYC 7663 vs Athlon II X3 400e
Aggregate performance score
EPYC 7663 outperforms Athlon II X3 400e by a whopping 6127% based on our aggregate benchmark results.
Primary details
Comparing Athlon II X3 400e and EPYC 7663 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2596 | 31 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.07 | 4.88 |
| Market segment | Desktop processor | Server |
| Series | no data | AMD EPYC |
| Power efficiency | 1.74 | 20.27 |
| Architecture codename | Rana (2009−2011) | Milan (2021−2023) |
| Release date | 20 October 2009 (15 years ago) | 15 March 2021 (3 years ago) |
| Launch price (MSRP) | $107 | $6,366 |
Cost-effectiveness evaluation
Performance per price, higher is better.
EPYC 7663 has 6871% better value for money than Athlon II X3 400e.
Detailed specifications
Athlon II X3 400e and EPYC 7663 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 | 3 (Tri-Core) | 56 (Hexapentaconta-Core) |
| Threads | 3 | 112 |
| Base clock speed | 2.2 GHz | 2 GHz |
| Boost clock speed | 2.2 GHz | 3.5 GHz |
| Multiplier | no data | 20 |
| L1 cache | 128 KB (per core) | 64 KB (per core) |
| L2 cache | 512 KB (per core) | 512 KB (per core) |
| L3 cache | 0 KB | 256 MB (shared) |
| Chip lithography | 45 nm | 7 nm+ |
| Die size | 169 mm2 | 8x 81 mm2 |
| Number of transistors | 300 million | 33,200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Athlon II X3 400e and EPYC 7663 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 |
| Socket | AM3 | SP3 |
| Power consumption (TDP) | 45 Watt | 240 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II X3 400e and EPYC 7663. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon II X3 400e and EPYC 7663 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon II X3 400e and EPYC 7663. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4-3200 |
| Maximum memory size | no data | 4 TiB |
| Maximum memory bandwidth | no data | 204.795 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | N/A |
Peripherals
Specifications and connection of peripherals supported by Athlon II X3 400e and EPYC 7663.
| PCIe version | 2.0 | 4.0 |
| 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.
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 | 0.83 | 51.68 |
| Recency | 20 October 2009 | 15 March 2021 |
| Physical cores | 3 | 56 |
| Threads | 3 | 112 |
| Chip lithography | 45 nm | 7 nm |
| Power consumption (TDP) | 45 Watt | 240 Watt |
Athlon II X3 400e has 433.3% lower power consumption.
EPYC 7663, on the other hand, has a 6126.5% higher aggregate performance score, an age advantage of 11 years, 1766.7% more physical cores and 3633.3% more threads, and a 542.9% more advanced lithography process.
The EPYC 7663 is our recommended choice as it beats the Athlon II X3 400e in performance tests.
Note that Athlon II X3 400e is a desktop processor while EPYC 7663 is a server/workstation one.
Should you still have questions on choice between Athlon II X3 400e and EPYC 7663, ask them in Comments section, and we shall answer.
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