i7-6870HQ vs i7-875K
Primary details
Comparing Core i7-875K and Core i7-6870HQ processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1955 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.10 | no data |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Core i7 |
| Power efficiency | 1.93 | no data |
| Architecture codename | Lynnfield (2009−2010) | Skylake (2015−2016) |
| Release date | 30 May 2010 (14 years ago) | 2 January 2016 (8 years ago) |
| Launch price (MSRP) | $486 | $434 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-875K and Core i7-6870HQ 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) | 4 (Quad-Core) |
| Threads | 8 | 8 |
| Base clock speed | 2.93 GHz | 2.7 GHz |
| Boost clock speed | 3.6 GHz | 3.6 GHz |
| Bus type | no data | DMI 3.0 |
| Bus rate | 2.5 GT/s | 4 × 8 GT/s |
| Multiplier | no data | 27 |
| L1 cache | 64 KB (per core) | 256 KB |
| L2 cache | 256 KB (per core) | 1 MB |
| L3 cache | 8 MB (shared) | 8 MB |
| Chip lithography | 45 nm | 14 nm |
| Die size | 296 mm2 | no data |
| Maximum core temperature | 73 °C | 100 °C |
| Number of transistors | 774 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i7-875K and Core i7-6870HQ 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 | 1 (Uniprocessor) |
| Socket | FCLGA1156,LGA1156 | FCBGA1440 |
| Power consumption (TDP) | 95 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-875K and Core i7-6870HQ. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| eDRAM | no data | 128 MB |
| Turbo Boost Technology | 1.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| Idle States | + | + |
| Thermal Monitoring | - | + |
| Smart Response | no data | + |
| Demand Based Switching | - | no data |
| PAE | 36 Bit | no data |
Security technologies
Core i7-875K and Core i7-6870HQ technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | no data | + |
| MPX | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-875K and Core i7-6870HQ are enumerated here.
| AMD-V | - | + |
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-875K and Core i7-6870HQ. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3, DDR4 |
| Maximum memory size | 16 GB | 64 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 21 GB/s | 34.134 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel Iris Pro Graphics 580 |
| Max video memory | no data | 64 GB |
| Quick Sync Video | - | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1 GHz |
Graphics interfaces
Available interfaces and connections of Core i7-875K and Core i7-6870HQ integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| DVI | no data | + |
Graphics image quality
Maximum display resolutions supported by Core i7-875K and Core i7-6870HQ integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096x2304@24Hz |
| Max resolution over eDP | no data | 4096x2304@60Hz |
| Max resolution over DisplayPort | no data | 4096x2304@60Hz |
Graphics API support
APIs supported by Core i7-875K and Core i7-6870HQ integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Core i7-875K and Core i7-6870HQ.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | 16 | 16 |
Pros & cons summary
| Recency | 30 May 2010 | 2 January 2016 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 95 Watt | 45 Watt |
i7-6870HQ has an age advantage of 5 years, a 221.4% more advanced lithography process, and 111.1% lower power consumption.
We couldn't decide between Core i7-875K and Core i7-6870HQ. We've got no test results to judge.
Note that Core i7-875K is a desktop processor while Core i7-6870HQ is a notebook one.
Should you still have questions on choice between Core i7-875K and Core i7-6870HQ, ask them in Comments section, and we shall answer.
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