Xeon E7-8891 v4 vs Ryzen 9 3900
Primary details
Comparing Ryzen 9 3900 and Xeon E7-8891 v4 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 282 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Series | AMD Matisse (Ryzen 3000 Desktop) | no data |
| Architecture codename | Matisse (Zen 2) (2019−2020) | no data |
| Release date | 9 October 2019 (4 years ago) | 1 April 2016 (8 years ago) |
Detailed specifications
Ryzen 9 3900 and Xeon E7-8891 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) | 10 (Deca-Core) |
| Threads | 24 | 20 |
| Base clock speed | 3.1 GHz | 2.8 GHz |
| Boost clock speed | 4.3 GHz | 3.5 GHz |
| Bus rate | no data | 9.6 GT/s |
| L1 cache | 768 KB | no data |
| L2 cache | 6 MB | no data |
| L3 cache | 64 MB | 60 MB |
| Chip lithography | 7 nm, 12 nm | 14 nm |
| Die size | 2x 74 mm2 | no data |
| Maximum core temperature | no data | 79 °C |
| Number of transistors | 7,600 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 3900 and Xeon E7-8891 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 (1331) | FCLGA2011 |
| Power consumption (TDP) | 65 Watt | 165 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 3900 and Xeon E7-8891 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 |
| Status | no data | Discontinued |
| Precision Boost 2 | + | no data |
Security technologies
Ryzen 9 3900 and Xeon E7-8891 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 3900 and Xeon E7-8891 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 3900 and Xeon E7-8891 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 | 85 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 3900 and Xeon E7-8891 v4.
| PCIe version | 4.0 | 3.0 |
| PCI Express lanes | 24 | 32 |
Pros & cons summary
| Recency | 9 October 2019 | 1 April 2016 |
| Physical cores | 12 | 10 |
| Threads | 24 | 20 |
| Chip lithography | 7 nm | 14 nm |
| Power consumption (TDP) | 65 Watt | 165 Watt |
Ryzen 9 3900 has an age advantage of 3 years, 20% more physical cores and 20% more threads, a 100% more advanced lithography process, and 153.8% lower power consumption.
We couldn't decide between Ryzen 9 3900 and Xeon E7-8891 v4. We've got no test results to judge.
Note that Ryzen 9 3900 is a desktop processor while Xeon E7-8891 v4 is a server/workstation one.
Should you still have questions on choice between Ryzen 9 3900 and Xeon E7-8891 v4, ask them in Comments section, and we shall answer.
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