EPYC 7402P vs Xeon E7-4850
Primary details
Comparing Xeon E7-4850 and EPYC 7402P processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 186 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 13.48 |
| Market segment | Server | Server |
| Series | Intel Xeon E7 | AMD EPYC |
| Power efficiency | no data | 14.41 |
| Architecture codename | Westmere-EX (2011) | Zen 2 (2017−2020) |
| Release date | 3 April 2011 (13 years ago) | 7 August 2019 (5 years ago) |
| Launch price (MSRP) | $2,837 | $1,250 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon E7-4850 and EPYC 7402P 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 | 10 (Deca-Core) | 24 (Tetracosa-Core) |
| Threads | 20 | 48 |
| Base clock speed | 2 GHz | 2.8 GHz |
| Boost clock speed | 2.4 GHz | 3.35 GHz |
| Bus type | QPI | no data |
| Bus rate | 6.4 GT/s | no data |
| Multiplier | 15 | 28 |
| L1 cache | 64 KB (per core) | 96K (per core) |
| L2 cache | 256 KB (per core) | 512K (per core) |
| L3 cache | 24 MB (shared) | 128 MB (shared) |
| Chip lithography | 32 nm | 7 nm, 14 nm |
| Die size | 513 mm2 | 192 mm2 |
| Maximum case temperature (TCase) | 69 °C | no data |
| Number of transistors | 2,600 million | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon E7-4850 and EPYC 7402P 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 (Multiprocessor) | 1 (Uniprocessor) |
| Socket | LGA1567 | TR4 |
| Power consumption (TDP) | 130 Watt | 180 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E7-4850 and EPYC 7402P. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | no data |
| AES-NI | + | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 1.0 | no data |
| Hyper-Threading Technology | + | no data |
| Thermal Monitoring | + | - |
| Precision Boost 2 | no data | + |
Security technologies
Xeon E7-4850 and EPYC 7402P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E7-4850 and EPYC 7402P 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 Xeon E7-4850 and EPYC 7402P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066 | DDR4 Eight-channel |
| Maximum memory size | 2 TB | 4 TiB |
| Max memory channels | 4 | no data |
| Maximum memory bandwidth | 34.113 GB/s | 204.763 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Pros & cons summary
| Recency | 3 April 2011 | 7 August 2019 |
| Physical cores | 10 | 24 |
| Threads | 20 | 48 |
| Chip lithography | 32 nm | 7 nm |
| Power consumption (TDP) | 130 Watt | 180 Watt |
Xeon E7-4850 has 38.5% lower power consumption.
EPYC 7402P, on the other hand, has an age advantage of 8 years, 140% more physical cores and 140% more threads, and a 357.1% more advanced lithography process.
We couldn't decide between Xeon E7-4850 and EPYC 7402P. We've got no test results to judge.
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