Ryzen Threadripper PRO 3945WX vs Xeon E7-4890 v3
Primary details
Comparing Xeon E7-4890 v3 and Ryzen Threadripper PRO 3945WX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 256 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Series | no data | AMD Ryzen Threadripper |
| Power efficiency | no data | 7.14 |
| Architecture codename | Haswell-EX (2015) | Matisse (2019−2020) |
| Release date | 1 June 2015 (9 years ago) | 14 July 2020 (4 years ago) |
Detailed specifications
Xeon E7-4890 v3 and Ryzen Threadripper PRO 3945WX 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 | 18 (Octadeca-Core) | 12 (Dodeca-Core) |
| Threads | 36 | 24 |
| Base clock speed | 2.5 GHz | 4 GHz |
| Boost clock speed | 2.5 GHz | 4.3 GHz |
| Multiplier | no data | 40 |
| L1 cache | 64 KB (per core) | 64K (per core) |
| L2 cache | 256 KB (per core) | 512K (per core) |
| L3 cache | 45 MB (shared) | 64 MB |
| Chip lithography | 22 nm | 7 nm, 12 nm |
| Die size | 160 mm2 | 74 mm2 |
| Maximum case temperature (TCase) | no data | 95 °C |
| Number of transistors | 1,400 million | 3,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon E7-4890 v3 and Ryzen Threadripper PRO 3945WX 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 | 4 | 1 |
| Socket | 1150 | TR4 |
| Power consumption (TDP) | 165 Watt | 280 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E7-4890 v3 and Ryzen Threadripper PRO 3945WX. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
Security technologies
Xeon E7-4890 v3 and Ryzen Threadripper PRO 3945WX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E7-4890 v3 and Ryzen Threadripper PRO 3945WX 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 Xeon E7-4890 v3 and Ryzen Threadripper PRO 3945WX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3, DDR4 | DDR4-3200 |
| Maximum memory size | no data | 2 TiB |
| Maximum memory bandwidth | no data | 204.8 GB/s |
Peripherals
Specifications and connection of peripherals supported by Xeon E7-4890 v3 and Ryzen Threadripper PRO 3945WX.
| PCIe version | 3.0 | 4.0 |
| PCI Express lanes | no data | 128 |
Pros & cons summary
| Recency | 1 June 2015 | 14 July 2020 |
| Physical cores | 18 | 12 |
| Threads | 36 | 24 |
| Chip lithography | 22 nm | 7 nm |
| Power consumption (TDP) | 165 Watt | 280 Watt |
Xeon E7-4890 v3 has 50% more physical cores and 50% more threads, and 69.7% lower power consumption.
Ryzen Threadripper PRO 3945WX, on the other hand, has an age advantage of 5 years, and a 214.3% more advanced lithography process.
We couldn't decide between Xeon E7-4890 v3 and Ryzen Threadripper PRO 3945WX. We've got no test results to judge.
Should you still have questions on choice between Xeon E7-4890 v3 and Ryzen Threadripper PRO 3945WX, ask them in Comments section, and we shall answer.
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