Xeon 6516P-B vs E5-4620 v4
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Series | Intel Xeon E5 | no data |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Broadwell (2015−2019) | Granite Rapids (2024−2025) |
| Release date | 20 June 2016 (8 years ago) | 24 February 2025 (less than a year ago) |
| Launch price (MSRP) | $1,668 | $1,544 |
Detailed specifications
Xeon E5-4620 v4 and Xeon 6516P-B 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) | 20 (Icosa-Core) |
| Performance-cores | no data | 20 |
| Threads | 20 | 40 |
| Base clock speed | 2.1 GHz | 2.3 GHz |
| Boost clock speed | 2.6 GHz | 3.5 GHz |
| Bus type | QPI | no data |
| Bus rate | 2 × 8 GT/s | no data |
| Multiplier | 21 | no data |
| L1 cache | no data | 112 KB (per core) |
| L2 cache | 2.5 MB | 2 MB (per core) |
| L3 cache | 25 MB | 80 MB (shared) |
| Chip lithography | 14 nm | Intel 3 nm |
| Die size | 246.24 mm2 | 598 mm2 |
| Maximum core temperature | 79 °C | no data |
| Maximum case temperature (TCase) | no data | 85 °C |
| Number of transistors | 3200 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Xeon E5-4620 v4 and Xeon 6516P-B 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) | 2 |
| Socket | FCLGA2011 | FCBGA4368 |
| Power consumption (TDP) | 105 Watt | 145 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5-4620 v4 and Xeon 6516P-B. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX2 | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | - |
| QuickAssist | no data | + |
| Speed Shift | no data | - |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | - | no data |
| PAE | 46 Bit | no data |
| Deep Learning Boost | - | + |
Security technologies
Xeon E5-4620 v4 and Xeon 6516P-B technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | + | no data |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5-4620 v4 and Xeon 6516P-B are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5-4620 v4 and Xeon 6516P-B. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5 |
| Maximum memory size | 1.5 TB | 1.13 TB |
| Max memory channels | 4 | 4 |
| Maximum memory bandwidth | 68 GB/s | no data |
| ECC memory support | + | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon E5-4620 v4 and Xeon 6516P-B.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 40 | 48 |
| PCI support | no data | Gen 4, Gen 5 |
| Integrated LAN | no data | + |
Pros & cons summary
| Recency | 20 June 2016 | 24 February 2025 |
| Physical cores | 10 | 20 |
| Threads | 20 | 40 |
| Power consumption (TDP) | 105 Watt | 145 Watt |
Xeon E5-4620 v4 has 38.1% lower power consumption.
Xeon 6516P-B, on the other hand, has an age advantage of 8 years, and 100% more physical cores and 100% more threads.
We couldn't decide between Intel Xeon E5-4620 v4 and Intel Xeon 6516P-B. 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.
