Atom Z650 vs i7-2715QE
Primary details
Comparing Core i7-2715QE and Atom Z650 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1905 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core i7 | Intel Atom |
| Power efficiency | 4.27 | no data |
| Architecture codename | Sandy Bridge (2011−2013) | Lincroft (2010−2011) |
| Release date | 3 January 2011 (13 years ago) | 11 April 2011 (13 years ago) |
| Launch price (MSRP) | $378 | no data |
Detailed specifications
Core i7-2715QE and Atom Z650 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) | 1 (Single-Core) |
| Threads | 8 | 2 |
| Base clock speed | 2.1 GHz | 1.2 GHz |
| Boost clock speed | 2.1 GHz | 1.2 GHz |
| Bus type | DMI 2.0 | cDMI |
| Bus rate | 4 × 5 GT/s | 400 MT/s |
| Multiplier | 21 | 8 |
| L1 cache | 256 KB | 56 KB |
| L2 cache | 1 MB | 512 KB (per core) |
| L3 cache | 6 MB (shared) | 0 KB |
| Chip lithography | 32 nm | 45 nm |
| Die size | 216 mm2 | 65 mm2 |
| Maximum core temperature | no data | 90 °C |
| Number of transistors | 1160 Million | 140 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core i7-2715QE and Atom Z650 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) | 1 (Uniprocessor) |
| Socket | Intel BGA1023 | T-PBGA518 |
| Power consumption (TDP) | 45 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-2715QE and Atom Z650. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE, Intel® SSE2, Intel® SSE3 |
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
Security technologies
Core i7-2715QE and Atom Z650 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 Core i7-2715QE and Atom Z650 are enumerated here.
| VT-d | + | - |
| VT-x | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-2715QE and Atom Z650. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | unknown Dual-channel | DDR2 |
| Maximum memory size | 16 GB | 2.93 GB |
| Max memory channels | 2 | 1 |
| Maximum memory bandwidth | 25.598 GB/s | 3.2 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 3000 | PowerVR SGX535 |
Graphics interfaces
Available interfaces and connections of Core i7-2715QE and Atom Z650 integrated GPUs.
| LVDS | no data | + |
Peripherals
Specifications and connection of peripherals supported by Core i7-2715QE and Atom Z650.
| PCI support | no data | - |
Pros & cons summary
| Recency | 3 January 2011 | 11 April 2011 |
| Physical cores | 4 | 1 |
| Threads | 8 | 2 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 45 Watt | 3 Watt |
i7-2715QE has 300% more physical cores and 300% more threads, and a 40.6% more advanced lithography process.
Atom Z650, on the other hand, has an age advantage of 3 months, and 1400% lower power consumption.
We couldn't decide between Core i7-2715QE and Atom Z650. We've got no test results to judge.
Should you still have questions on choice between Core i7-2715QE and Atom Z650, ask them in Comments section, and we shall answer.
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