EPYC Embedded 3401 vs Core 2 Quad Q8400
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2532 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Series | no data | AMD EPYC Embedded |
| Power efficiency | 0.53 | no data |
| Designer | Intel | AMD |
| Manufacturer | Intel | no data |
| Architecture codename | Yorkfield (2007−2009) | Zen (2017−2020) |
| Release date | 19 April 2009 (16 years ago) | 21 February 2018 (7 years ago) |
Detailed specifications
Core 2 Quad Q8400 and EPYC Embedded 3401 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 | 4 (Quad-Core) | 16 (Hexadeca-Core) |
| Threads | 4 | 16 |
| Base clock speed | 2.66 GHz | no data |
| Boost clock speed | 0.67 GHz | 1.85 GHz |
| Bus rate | 1333 MHz | no data |
| Multiplier | no data | 18.5 |
| L1 cache | 64 KB (per core) | 1536 KB |
| L2 cache | 4 MB (shared) | 8 MB |
| L3 cache | 0 KB | 32 MB |
| Chip lithography | 45 nm | 14 nm |
| Die size | 2x 82 mm2 | 213 mm2 |
| Maximum case temperature (TCase) | 71 °C | no data |
| Number of transistors | 456 million | 9600 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.3625V | no data |
Compatibility
Information on Core 2 Quad Q8400 and EPYC Embedded 3401 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 | 1 (Uniprocessor) |
| Socket | FCLGA775,LGA775 | no data |
| Power consumption (TDP) | 95 Watt | 85 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad Q8400 and EPYC Embedded 3401. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
Security technologies
Core 2 Quad Q8400 and EPYC Embedded 3401 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Quad Q8400 and EPYC Embedded 3401 are enumerated here.
| AMD-V | - | + |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8400 and EPYC Embedded 3401. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR4-2666 |
| Maximum memory size | no data | 1 TiB |
| Max memory channels | no data | 4 |
| Maximum memory bandwidth | no data | 85.33 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | no data |
Peripherals
Specifications and connection of peripherals supported by Core 2 Quad Q8400 and EPYC Embedded 3401.
| PCIe version | 2.0 | no data |
Pros & cons summary
| Recency | 19 April 2009 | 21 February 2018 |
| Physical cores | 4 | 16 |
| Threads | 4 | 16 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 95 Watt | 85 Watt |
EPYC Embedded 3401 has an age advantage of 8 years, 300% more physical cores and 300% more threads, a 221.4% more advanced lithography process, and 11.8% lower power consumption.
We couldn't decide between Intel Core 2 Quad Q8400 and AMD EPYC Embedded 3401. We've got no test results to judge.
Note that Core 2 Quad Q8400 is a desktop processor while EPYC Embedded 3401 is a server/workstation one.
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