Xeon 6766E vs Ryzen 7 3800X
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 625 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 13.44 | no data |
| Market segment | Desktop processor | Server |
| Series | AMD Ryzen 7 | no data |
| Power efficiency | 5.27 | no data |
| Designer | AMD | Intel |
| Manufacturer | TSMC | Intel |
| Architecture codename | Matisse (2019−2020) | Sierra Forest (2024) |
| Release date | 7 July 2019 (6 years ago) | 3 June 2024 (1 year ago) |
| Launch price (MSRP) | $399 | $10,257 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Ryzen 7 3800X and Xeon 6766E 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 | 8 (Octa-Core) | 144 |
| Threads | 16 | 144 |
| Base clock speed | 3.9 GHz | 1.9 GHz |
| Boost clock speed | 4.5 GHz | 2.7 GHz |
| L1 cache | 96K (per core) | 96 KB (per core) |
| L2 cache | 512K (per core) | 4 MB (per module) |
| L3 cache | 32 MB | 108 MB (shared) |
| Chip lithography | 7 nm, 12 nm | Intel 3 nm |
| Maximum case temperature (TCase) | no data | 84 °C |
| Number of transistors | 19,200 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 7 3800X and Xeon 6766E 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 | AM4 | FCLGA4710 |
| Power consumption (TDP) | 105 Watt | 250 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 7 3800X and Xeon 6766E. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
| Precision Boost 2 | + | no data |
| Deep Learning Boost | - | + |
Security technologies
Ryzen 7 3800X and Xeon 6766E technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| SGX | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 7 3800X and Xeon 6766E 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 Ryzen 7 3800X and Xeon 6766E. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | DDR5-6400 |
| Maximum memory size | 128 GB | 4 TB |
| Max memory channels | 2 | 8 |
| Maximum memory bandwidth | 51.196 GB/s | no data |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | - | N/A |
Peripherals
Specifications and connection of peripherals supported by Ryzen 7 3800X and Xeon 6766E.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 88 |
Pros & cons summary
| Recency | 7 July 2019 | 3 June 2024 |
| Physical cores | 8 | 144 |
| Threads | 16 | 144 |
| Power consumption (TDP) | 105 Watt | 250 Watt |
Ryzen 7 3800X has 138.1% lower power consumption.
Xeon 6766E, on the other hand, has an age advantage of 4 years, and 1700% more physical cores and 800% more threads.
We couldn't decide between AMD Ryzen 7 3800X and Intel Xeon 6766E. We've got no test results to judge.
Note that Ryzen 7 3800X is a desktop processor while Xeon 6766E is a server/workstation one.
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