Xeon 6516P-B vs i7-3770K
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1621 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.70 | no data |
| Market segment | Desktop processor | Server |
| Series | Intel Core i7 (Desktop) | no data |
| Power efficiency | 2.03 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Ivy Bridge (2012−2013) | Granite Rapids (2024−2025) |
| Release date | 29 April 2012 (13 years ago) | 24 February 2025 (less than a year ago) |
| Launch price (MSRP) | $294 | $1,544 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Core i7-3770K 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 | 4 (Quad-Core) | 20 (Icosa-Core) |
| Performance-cores | no data | 20 |
| Threads | 8 | 40 |
| Base clock speed | 3.5 GHz | 2.3 GHz |
| Boost clock speed | 3.9 GHz | 3.5 GHz |
| Bus type | DMI | no data |
| Bus rate | 5 GT/s | no data |
| Multiplier | 35 | no data |
| L1 cache | 64 KB (per core) | 112 KB (per core) |
| L2 cache | 256K (per core) | 2 MB (per core) |
| L3 cache | 8 MB (shared) | 80 MB (shared) |
| Chip lithography | 22 nm | Intel 3 nm |
| Die size | 160 mm2 | 598 mm2 |
| Maximum core temperature | 67 °C | no data |
| Maximum case temperature (TCase) | 67 °C | 85 °C |
| Number of transistors | 1,400 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i7-3770K 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 | 1 | 2 |
| Socket | FCLGA1155 | FCBGA4368 |
| Power consumption (TDP) | 77 Watt | 145 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-3770K and Xeon 6516P-B. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX | 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 | + | - |
| FDI | + | no data |
| Deep Learning Boost | - | + |
Security technologies
Core i7-3770K and Xeon 6516P-B technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| Secure Key | + | no data |
| Identity Protection | + | - |
| SGX | no data | Yes with Intel® SPS |
| Anti-Theft | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-3770K and Xeon 6516P-B are enumerated here.
| VT-d | - | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-3770K and Xeon 6516P-B. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5 |
| Maximum memory size | 32 GB | 1.13 TB |
| Max memory channels | 2 | 4 |
| Maximum memory bandwidth | 25.6 GB/s | no data |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 4000 | N/A |
| Quick Sync Video | + | - |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.15 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i7-3770K and Xeon 6516P-B integrated GPUs.
| Number of displays supported | 3 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-3770K and Xeon 6516P-B.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 16 | 48 |
| PCI support | no data | Gen 4, Gen 5 |
| Integrated LAN | no data | + |
Pros & cons summary
| Recency | 29 April 2012 | 24 February 2025 |
| Physical cores | 4 | 20 |
| Threads | 8 | 40 |
| Power consumption (TDP) | 77 Watt | 145 Watt |
i7-3770K has 88.3% lower power consumption.
Xeon 6516P-B, on the other hand, has an age advantage of 12 years, and 400% more physical cores and 400% more threads.
We couldn't decide between Intel Core i7-3770K and Intel Xeon 6516P-B. We've got no test results to judge.
Note that Core i7-3770K is a desktop processor while Xeon 6516P-B is a server/workstation one.
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