Xeon E7-8855 v4 vs Ryzen 9 5900X
Primary details
Comparing Ryzen 9 5900X and Xeon E7-8855 v4 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 205 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 32.23 | no data |
| Market segment | Desktop processor | Server |
| Series | AMD Ryzen 9 | no data |
| Power efficiency | 22.18 | no data |
| Architecture codename | Vermeer (Zen3) (2020−2022) | no data |
| Release date | 5 November 2020 (4 years ago) | 1 April 2016 (8 years ago) |
| Launch price (MSRP) | $549 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 9 5900X and Xeon E7-8855 v4 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 | 12 (Dodeca-Core) | 14 (Tetradeca-Core) |
| Threads | 24 | 28 |
| Base clock speed | 3.7 GHz | 2.1 GHz |
| Boost clock speed | 4.8 GHz | 2.8 GHz |
| Bus rate | no data | 8 GT/s |
| Multiplier | 37 | no data |
| L1 cache | 64K (per core) | no data |
| L2 cache | 512K (per core) | no data |
| L3 cache | 64 MB | 35 MB |
| Chip lithography | 7 nm, 12 nm | 14 nm |
| Die size | 2x 74 mm2(CCD) + 125 mm2 (IOD) | no data |
| Maximum core temperature | no data | 73 °C |
| Maximum case temperature (TCase) | 95 °C | no data |
| Number of transistors | 0 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 5900X and Xeon E7-8855 v4 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 | 8 |
| Socket | AM4 | FCLGA2011 |
| Power consumption (TDP) | 105 Watt | 140 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 5900X and Xeon E7-8855 v4. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2 | Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| PAE | no data | 46 Bit |
| Precision Boost 2 | + | no data |
Security technologies
Ryzen 9 5900X and Xeon E7-8855 v4 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 5900X and Xeon E7-8855 v4 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 Ryzen 9 5900X and Xeon E7-8855 v4. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR4-1333, DDR4-1600, DDR4-1866, DDR3-1066, DDR3-1333, DDR3-1600 |
| Maximum memory size | 128 GB | 3 TB |
| Max memory channels | 2 | 4 |
| Maximum memory bandwidth | 51.196 GB/s | 102 GB/s |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 5900X and Xeon E7-8855 v4.
| PCIe version | 4.0 | 3.0 |
| PCI Express lanes | no data | 32 |
Pros & cons summary
| Recency | 5 November 2020 | 1 April 2016 |
| Physical cores | 12 | 14 |
| Threads | 24 | 28 |
| Chip lithography | 7 nm | 14 nm |
| Power consumption (TDP) | 105 Watt | 140 Watt |
Ryzen 9 5900X has an age advantage of 4 years, a 100% more advanced lithography process, and 33.3% lower power consumption.
Xeon E7-8855 v4, on the other hand, has 16.7% more physical cores and 16.7% more threads.
We couldn't decide between Ryzen 9 5900X and Xeon E7-8855 v4. We've got no test results to judge.
Note that Ryzen 9 5900X is a desktop processor while Xeon E7-8855 v4 is a server/workstation one.
Should you still have questions on choice between Ryzen 9 5900X and Xeon E7-8855 v4, ask them in Comments section, and we shall answer.
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