Intel Xeon E7-4820: specs and benchmarks
Summary
Intel started Xeon E7-4820 sales 3 April 2011 at a recommended price of $1,446. This is a Westmere-EX architecture desktop processor primarily aimed at professional systems. It has 8 cores and 16 threads, and is based on 32 nm manufacturing technology, with a maximum frequency of 2270 MHz and a locked multiplier.
Compatibility-wise, this is LGA1567 processor with a TDP of 105 Watt and a maximum temperature of 64 °C. It supports DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066 memory.
Primary details
Xeon E7-4820 processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in the ranking | not rated | |
| Place by popularity | not in top-100 | |
| Market segment | Server | |
| Series | Intel Xeon E7 | |
| Architecture codename | Westmere-EX (2011) | |
| Release date | 3 April 2011 (13 years ago) | |
| Launch price (MSRP) | $1,446 | of 17,906 (Xeon Platinum 8280L) |
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 8 (Octa-Core) | |
| Threads | 16 | |
| Base clock speed | 2 GHz | of 4.7 GHz (Ryzen 9 7900X) |
| Boost clock speed | 2.27 GHz | of 6.2 GHz (Core i9-14900KS) |
| Bus type | QPI | |
| Bus rate | 5.86 GT/s | |
| Multiplier | 15 | of 42 (Core i7-7700K) |
| L1 cache | 64 KB (per core) | of 80 KB (EPYC 9965) |
| L2 cache | 256 KB (per core) | |
| L3 cache | 18 MB (shared) | of 1152 MB (EPYC 9684X) |
| Chip lithography | 32 nm | of 3 nm (Core Ultra 9 285K) |
| Die size | 513 mm2 | |
| Maximum case temperature (TCase) | 64 °C | of 105 °C (Core i7-5950HQ) |
| Number of transistors | 2,600 million | of 135,240 million (EPYC 9684X) |
| 64 bit support | + | |
| Windows 11 compatibility | - |
Compatibility
Information on Xeon E7-4820 compatibility with other computer components and devices: 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) | of 8 (Xeon Platinum 8454H) |
| Socket | LGA1567 | |
| Power consumption (TDP) | 105 Watt | of 500 Watt (Xeon 6960P) |
Technologies and extensions
Technological capabilities and additional instructions supported by Xeon E7-4820. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | |
| AES-NI | + | |
| Enhanced SpeedStep (EIST) | + | |
| Turbo Boost Technology | 1.0 | |
| Hyper-Threading Technology | + | |
| Thermal Monitoring | + |
Security technologies
Processor technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | |
| EDB | + |
Virtualization technologies
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
| VT-d | + | |
| VT-x | + | |
| EPT | + |
Memory specs
Types, maximum amount and channel number of RAM supported by Xeon E7-4820's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066 | |
| Maximum memory size | 2 TB | of 6 TiB (EPYC 9654) |
| Max memory channels | 4 | of 12 (Xeon Platinum 9221) |
| Maximum memory bandwidth | 34.113 GB/s | of 460.8 GB/s (EPYC 9654) |
| ECC memory support | + |
Graphics specifications
General parameters of a GPU integrated into Xeon E7-4820.
| Integrated graphics card | N/A |
Similar processors
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
Recommended GPUs
People consider these graphics cards to be good for Xeon E7-4820, according to our PC configuration statistics.
These are the fastest graphics cards for Xeon E7-4820 in our user configuration statistics. There is a total of 2 configurations using Xeon E7-4820 in our database.
