Xeon E7-2870 vs Atom E640T
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 | Laptop | Server |
| Series | no data | Intel Xeon E7 |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Tunnel Creek (2010) | Westmere-EX (2011) |
| Release date | 14 September 2010 (14 years ago) | 3 April 2011 (14 years ago) |
| Launch price (MSRP) | no data | $4,227 |
Detailed specifications
Atom E640T 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 | 1 (Single-Core) | 10 (Deca-Core) |
| Threads | 2 | 20 |
| Base clock speed | no data | 2.4 GHz |
| Boost clock speed | 1 GHz | 2.8 GHz |
| Bus type | no data | QPI |
| Bus rate | no data | 6.4 GT/s |
| Multiplier | no data | 18 |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 512 KB (per core) | 256 KB (per core) |
| L3 cache | 0 KB | 30 MB (shared) |
| Chip lithography | 45 nm | 32 nm |
| Die size | 26 mm2 | 513 mm2 |
| Maximum case temperature (TCase) | no data | 69 °C |
| Number of transistors | 47 million | 2,600 million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Atom E640T 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 | 2 (Multiprocessor) |
| Socket | Intel BGA 676 | LGA1567 |
| Power consumption (TDP) | 3 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom E640T and Xeon E7-2870. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | no data | 1.0 |
| Hyper-Threading Technology | + | + |
| Thermal Monitoring | - | + |
Security technologies
Atom E640T and Xeon E7-2870 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom E640T and Xeon E7-2870 are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom E640T and Xeon E7-2870. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066 |
| Maximum memory size | no data | 1 TB |
| Max memory channels | no data | 4 |
| Maximum memory bandwidth | no data | 34.113 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel GMA 600 | N/A |
Pros & cons summary
| Recency | 14 September 2010 | 3 April 2011 |
| Physical cores | 1 | 10 |
| Threads | 2 | 20 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 3 Watt | 130 Watt |
Atom E640T has 4233.3% lower power consumption.
Xeon E7-2870, on the other hand, has an age advantage of 6 months, 900% more physical cores and 900% more threads, and a 40.6% more advanced lithography process.
We couldn't decide between Intel Atom E640T and Intel Xeon E7-2870. We've got no test results to judge.
Be aware that Atom E640T is a notebook processor while Xeon E7-2870 is a server/workstation one.
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