Xeon E7-4830 vs E7-4820
Primary details
Comparing Xeon E7-4820 and Xeon E7-4830 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 607 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 3.20 |
| Market segment | Server | Server |
| Series | Intel Xeon E7 | Intel Xeon E7 |
| Power efficiency | no data | 11.34 |
| Architecture codename | Westmere (2010−2011) | Westmere (2010−2011) |
| Release date | 5 April 2011 (13 years ago) | 5 April 2011 (13 years ago) |
| Launch price (MSRP) | $1,446 | $2,059 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon E7-4820 and Xeon E7-4830 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 | 8 (Octa-Core) | 8 (Octa-Core) |
| Threads | 16 | 16 |
| Base clock speed | 2 GHz | 2.13 GHz |
| Boost clock speed | 2.27 GHz | 2.4 GHz |
| Bus type | QPI | QPI |
| Bus rate | 5.86 GT/s | 6.4 GT/s |
| Multiplier | 15 | 16 |
| L1 cache | 512 KB | 512 KB |
| L2 cache | 2 MB | 2 MB |
| L3 cache | 18 MB | 24 MB |
| Chip lithography | 32 nm | 32 nm |
| Die size | 513 mm2 | 513 mm2 |
| Maximum core temperature | 64 °C | 64 °C |
| Number of transistors | 2600 Million | 2600 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Xeon E7-4820 and Xeon E7-4830 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) | 4 (Multiprocessor) |
| Socket | LGA1567 | LGA1567 |
| Power consumption (TDP) | 105 Watt | 105 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E7-4820 and Xeon E7-4830. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 1.0 | 1.0 |
| Hyper-Threading Technology | + | + |
| Thermal Monitoring | + | + |
Security technologies
Xeon E7-4820 and Xeon E7-4830 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E7-4820 and Xeon E7-4830 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E7-4820 and Xeon E7-4830. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066 | DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066 |
| Maximum memory size | 2 TB | 2 TB |
| Max memory channels | 4 | 4 |
| Maximum memory bandwidth | 34.113 GB/s | 34.113 GB/s |
| ECC memory support | + | + |
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