i7-660UE vs i5-8250U
Primary details
Comparing Core i5-8250U and Core i7-660UE processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1421 | not rated |
| Place by popularity | 33 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core i5 | Intel Core i7 |
| Architecture codename | Kaby Lake Refresh (2017−2019) | Arrandale (2010−2011) |
| Release date | 21 August 2017 (7 years ago) | 15 August 2010 (14 years ago) |
| Launch price (MSRP) | $297 | $301 |
Detailed specifications
Core i5-8250U and Core i7-660UE 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) | 2 (Dual-core) |
| Threads | 8 | 4 |
| Base clock speed | 1.6 GHz | 1.33 GHz |
| Boost clock speed | 3.4 GHz | 2.4 GHz |
| Bus type | OPI | DMI 1.0 |
| Bus rate | 4 GT/s | 1 × 2.5 GT/s |
| Multiplier | 16 | 10 |
| L1 cache | 256 KB | 128 KB |
| L2 cache | 1 MB | 512 KB |
| L3 cache | 6 MB | 4 MB (shared) |
| Chip lithography | 14 nm | 32 nm |
| Die size | 123 mm2 | 81 mm2 |
| Maximum core temperature | 100 °C | 105 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 382 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
Compatibility
Information on Core i5-8250U and Core i7-660UE 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 | FCBGA1356,FC-BGA1356 | BGA1288 |
| Power consumption (TDP) | 15 Watt | 18 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-8250U and Core i7-660UE. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | + | + |
| FMA | - | + |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | no data |
| My WiFi | + | no data |
| Turbo Boost Technology | 2.0 | 1.0 |
| Hyper-Threading Technology | + | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | + | + |
| Smart Response | + | no data |
| PAE | no data | 36 Bit |
| FDI | no data | + |
| Fast Memory Access | no data | + |
| Status | Discontinued | Discontinued |
Security technologies
Core i5-8250U and Core i7-660UE technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| Secure Key | + | no data |
| Identity Protection | + | - |
| SGX | Yes with Intel® ME | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-8250U and Core i7-660UE are enumerated here.
| AMD-V | + | - |
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-8250U and Core i7-660UE. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2400, LPDDR3-2133 | DDR3-800 |
| Maximum memory size | 32 GB | 8.79 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 38.397 GB/s | 12.799 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 620 | Intel® HD Graphics for Previous Generation Intel® Processors |
| Max video memory | 32 GB | no data |
| Quick Sync Video | + | - |
| Clear Video | + | + |
| Clear Video HD | + | + |
| Graphics max frequency | 1.1 GHz | 500 MHz |
Graphics interfaces
Available interfaces and connections of Core i5-8250U and Core i7-660UE integrated GPUs.
| Number of displays supported | 3 | 2 |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| DVI | + | no data |
Graphics image quality
Maximum display resolutions supported by Core i5-8250U and Core i7-660UE integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096x2304@24Hz | no data |
| Max resolution over eDP | 4096x2304@60Hz | no data |
| Max resolution over DisplayPort | 4096x2304@60Hz | no data |
Graphics API support
APIs supported by Core i5-8250U and Core i7-660UE integrated GPUs, sometimes API versions are included.
| DirectX | 12 | no data |
| OpenGL | 4.4 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i5-8250U and Core i7-660UE.
| PCIe version | 3.0 | 2.0 |
| PCI Express lanes | 12 | 16 |
Pros & cons summary
| Recency | 21 August 2017 | 15 August 2010 |
| Physical cores | 4 | 2 |
| Threads | 8 | 4 |
| Chip lithography | 14 nm | 32 nm |
| Power consumption (TDP) | 15 Watt | 18 Watt |
i5-8250U has an age advantage of 7 years, 100% more physical cores and 100% more threads, a 128.6% more advanced lithography process, and 20% lower power consumption.
We couldn't decide between Core i5-8250U and Core i7-660UE. We've got no test results to judge.
Should you still have questions on choice between Core i5-8250U and Core i7-660UE, ask them in Comments section, and we shall answer.
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