EPYC 72F3 vs i7-6800K
Aggregate performance score
EPYC 72F3 outperforms Core i7-6800K by a whopping 153% based on our aggregate benchmark results.
Primary details
Comparing Core i7-6800K and EPYC 72F3 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1023 | 370 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.56 | 4.28 |
| Market segment | Desktop processor | Server |
| Series | no data | AMD EPYC |
| Power efficiency | 4.58 | 9.02 |
| Architecture codename | Broadwell-E (2016) | Milan (2021−2023) |
| Release date | 31 May 2016 (8 years ago) | 12 January 2021 (3 years ago) |
| Launch price (MSRP) | $345 | $2,468 |
Cost-effectiveness evaluation
Performance per price, higher is better.
EPYC 72F3 has 174% better value for money than i7-6800K.
Detailed specifications
Core i7-6800K and EPYC 72F3 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 | 6 (Hexa-Core) | 8 (Octa-Core) |
| Threads | 12 | 16 |
| Base clock speed | 3.4 GHz | 3.7 GHz |
| Boost clock speed | 3.8 GHz | 4.1 GHz |
| Multiplier | no data | 37 |
| L1 cache | 32 KB (per core) | 512 KB |
| L2 cache | 256 KB (per core) | 4 MB |
| L3 cache | 15 MB (shared) | 256 MB (shared) |
| Chip lithography | 14 nm | 7 nm+ |
| Die size | no data | 8x 81 mm2 |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 33,200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i7-6800K and EPYC 72F3 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 | FCLGA2011 | SP3 |
| Power consumption (TDP) | 140 Watt | 180 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-6800K and EPYC 72F3. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Smart Response | + | no data |
| Turbo Boost Max 3.0 | + | no data |
Security technologies
Core i7-6800K and EPYC 72F3 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 i7-6800K and EPYC 72F3 are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-6800K and EPYC 72F3. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4-3200 |
| Maximum memory size | 128 GB | 4 TiB |
| Max memory channels | 4 | no data |
| Maximum memory bandwidth | no data | 204.795 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Core i7-6800K and EPYC 72F3.
| PCIe version | 3.0 | 4.0 |
| PCI Express lanes | 28 | 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 | 6.91 | 17.48 |
| Recency | 31 May 2016 | 12 January 2021 |
| Physical cores | 6 | 8 |
| Threads | 12 | 16 |
| Chip lithography | 14 nm | 7 nm |
| Power consumption (TDP) | 140 Watt | 180 Watt |
i7-6800K has 28.6% lower power consumption.
EPYC 72F3, on the other hand, has a 153% higher aggregate performance score, an age advantage of 4 years, 33.3% more physical cores and 33.3% more threads, and a 100% more advanced lithography process.
The EPYC 72F3 is our recommended choice as it beats the Core i7-6800K in performance tests.
Note that Core i7-6800K is a desktop processor while EPYC 72F3 is a server/workstation one.
Should you still have questions on choice between Core i7-6800K and EPYC 72F3, ask them in Comments section, and we shall answer.
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