Xeon E7-2870 vs i7-2820QM
Primary details
Comparing Core i7-2820QM and Xeon E7-2870 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1695 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Intel Core i7 | Intel Xeon E7 |
| Power efficiency | 5.82 | no data |
| Architecture codename | Sandy Bridge (2011−2013) | Westmere-EX (2011) |
| Release date | 3 January 2011 (13 years ago) | 3 April 2011 (13 years ago) |
| Launch price (MSRP) | $568 | $4,227 |
Detailed specifications
Core i7-2820QM and Xeon E7-2870 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) | 10 (Deca-Core) |
| Threads | 8 | 20 |
| Base clock speed | 2.3 GHz | 2.4 GHz |
| Boost clock speed | 3.4 GHz | 2.8 GHz |
| Bus type | DMI 2.0 | QPI |
| Bus rate | 4 × 5 GT/s | 6.4 GT/s |
| Multiplier | 23 | 18 |
| L1 cache | 64K (per core) | 64 KB (per core) |
| L2 cache | 256K (per core) | 256 KB (per core) |
| L3 cache | 8 MB (shared) | 30 MB (shared) |
| Chip lithography | 32 nm | 32 nm |
| Die size | 216 mm2 | 513 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | no data | 69 °C |
| Number of transistors | 1,160 million | 2,600 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core i7-2820QM and Xeon E7-2870 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 (Uniprocessor) | 2 (Multiprocessor) |
| Socket | FCBGA1224,FCPGA988,PPGA988 | LGA1567 |
| Power consumption (TDP) | 45 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-2820QM and Xeon E7-2870. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| My WiFi | + | no data |
| Turbo Boost Technology | 2.0 | 1.0 |
| Hyper-Threading Technology | + | + |
| Idle States | + | no data |
| Thermal Monitoring | + | + |
| Flex Memory Access | + | no data |
| Demand Based Switching | - | no data |
| FDI | + | no data |
| Fast Memory Access | + | no data |
Security technologies
Core i7-2820QM and Xeon E7-2870 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Identity Protection | + | - |
| Anti-Theft | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-2820QM and Xeon E7-2870 are enumerated here.
| AMD-V | + | - |
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-2820QM and Xeon E7-2870. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1066, DDR3-1333, DDR3-1600 | DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066 |
| Maximum memory size | 32 GB | 1 TB |
| Max memory channels | 2 | 4 |
| Maximum memory bandwidth | 25.598 GB/s | 34.113 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 3000 | N/A |
| Quick Sync Video | + | - |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.3 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i7-2820QM and Xeon E7-2870 integrated GPUs.
| Number of displays supported | 2 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| SDVO | + | no data |
| CRT | + | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-2820QM and Xeon E7-2870.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 16 | no data |
Pros & cons summary
| Recency | 3 January 2011 | 3 April 2011 |
| Physical cores | 4 | 10 |
| Threads | 8 | 20 |
| Power consumption (TDP) | 45 Watt | 130 Watt |
i7-2820QM has 188.9% lower power consumption.
Xeon E7-2870, on the other hand, has an age advantage of 3 months, and 150% more physical cores and 150% more threads.
We couldn't decide between Core i7-2820QM and Xeon E7-2870. We've got no test results to judge.
Be aware that Core i7-2820QM is a notebook processor while Xeon E7-2870 is a server/workstation one.
Should you still have questions on choice between Core i7-2820QM and Xeon E7-2870, ask them in Comments section, and we shall answer.
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