EPYC 7451 vs Xeon E7-4890 v3
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 527 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 1.47 |
| Market segment | Server | Server |
| Series | no data | AMD EPYC |
| Power efficiency | no data | 9.00 |
| Designer | Intel | AMD |
| Manufacturer | Intel | no data |
| Architecture codename | Haswell-EX (2015) | Naples (2017−2018) |
| Release date | 1 June 2015 (10 years ago) | 20 June 2017 (8 years ago) |
| Launch price (MSRP) | no data | $2,400 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Xeon E7-4890 v3 and EPYC 7451 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) | 24 (Tetracosa-Core) |
| Threads | 36 | 48 |
| Base clock speed | 2.5 GHz | 2.3 GHz |
| Boost clock speed | 2.5 GHz | 2.3 GHz |
| Multiplier | no data | 23 |
| L1 cache | 64 KB (per core) | 2.25 MB |
| L2 cache | 256 KB (per core) | 12 MB |
| L3 cache | 45 MB (shared) | 64 MB (shared) |
| Chip lithography | 22 nm | 14 nm |
| Die size | 160 mm2 | 213 mm2 |
| Number of transistors | 1,400 million | 19200 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon E7-4890 v3 and EPYC 7451 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 | 2 (Multiprocessor) |
| Socket | 1150 | TR4 |
| Power consumption (TDP) | 165 Watt | 180 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E7-4890 v3 and EPYC 7451. 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 EPYC 7451 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 EPYC 7451 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 EPYC 7451. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3, DDR4 | DDR4 Eight-channel |
| Maximum memory size | no data | 2 TiB |
| Max memory channels | no data | 8 |
| Maximum memory bandwidth | no data | 170.671 GB/s |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Xeon E7-4890 v3 and EPYC 7451.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | no data | 128 |
Pros & cons summary
| Recency | 1 June 2015 | 20 June 2017 |
| Physical cores | 18 | 24 |
| Threads | 36 | 48 |
| Chip lithography | 22 nm | 14 nm |
| Power consumption (TDP) | 165 Watt | 180 Watt |
Xeon E7-4890 v3 has 9.1% lower power consumption.
EPYC 7451, on the other hand, has an age advantage of 2 years, 33.3% more physical cores and 33.3% more threads, and a 57.1% more advanced lithography process.
We couldn't decide between Intel Xeon E7-4890 v3 and AMD EPYC 7451. We've got no test results to judge.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
