i7-4950HQ vs i7-6900K
Aggregate performance score
Core i7-6900K outperforms Core i7-4950HQ by a whopping 120% based on our aggregate benchmark results.
Primary details
Comparing Core i7-6900K and Core i7-4950HQ processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 835 | 1385 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.99 | no data |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Core i7 |
| Power efficiency | 6.16 | 8.36 |
| Architecture codename | Broadwell-E (2016) | Crystalwell (2013−2014) |
| Release date | 31 May 2016 (8 years ago) | 7 June 2013 (11 years ago) |
| Launch price (MSRP) | $1,020 | $657 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-6900K and Core i7-4950HQ 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 | 8 (Octa-Core) | 4 (Quad-Core) |
| Threads | 16 | 8 |
| Base clock speed | 3.2 GHz | 2.4 GHz |
| Boost clock speed | 4 GHz | 3.6 GHz |
| Bus type | no data | DMI 2.0 |
| Bus rate | no data | 5 GT/s |
| Multiplier | no data | 24 |
| L1 cache | 32 KB (per core) | 64K (per core) |
| L2 cache | 256 KB (per core) | 256K (per core) |
| L3 cache | 20 MB (shared) | 8 MB (shared) |
| Chip lithography | 14 nm | 22 nm |
| Die size | no data | 264 mm2 |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 72 °C | 100 °C |
| Number of transistors | no data | 1,400 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | + |
Compatibility
Information on Core i7-6900K and Core i7-4950HQ 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 |
| Socket | FCLGA2011 | FCBGA1364 |
| Power consumption (TDP) | 140 Watt | 47 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-6900K and Core i7-4950HQ. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| My WiFi | no data | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | - | + |
| Idle States | + | + |
| Thermal Monitoring | - | + |
| Smart Response | + | no data |
| Turbo Boost Max 3.0 | + | no data |
| FDI | no data | + |
Security technologies
Core i7-6900K and Core i7-4950HQ technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | no data | + |
| Identity Protection | - | + |
| Anti-Theft | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-6900K and Core i7-4950HQ are enumerated here.
| AMD-V | - | + |
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-6900K and Core i7-4950HQ. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR3 |
| Maximum memory size | 128 GB | 32 GB |
| Max memory channels | 4 | 2 |
| Maximum memory bandwidth | no data | 25.6 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel Iris Pro Graphics 5200 |
| Max video memory | no data | 2 GB |
| Quick Sync Video | - | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.3 GHz |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of Core i7-6900K and Core i7-4950HQ integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| VGA | no data | + |
Graphics image quality
Maximum display resolutions supported by Core i7-6900K and Core i7-4950HQ integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 3840x2160@30Hz |
| Max resolution over DisplayPort | no data | 3840x2160@60Hz |
| Max resolution over VGA | no data | 2880x1800@60Hz |
Graphics API support
APIs supported by Core i7-6900K and Core i7-4950HQ integrated GPUs, sometimes API versions are included.
| DirectX | no data | 11.2/12 |
| OpenGL | no data | 4.3 |
Peripherals
Specifications and connection of peripherals supported by Core i7-6900K and Core i7-4950HQ.
| PCIe version | 3.0 | 3 |
| PCI Express lanes | 40 | 16 |
Pros & cons summary
| Performance score | 9.11 | 4.15 |
| Recency | 31 May 2016 | 7 June 2013 |
| Physical cores | 8 | 4 |
| Threads | 16 | 8 |
| Chip lithography | 14 nm | 22 nm |
| Power consumption (TDP) | 140 Watt | 47 Watt |
i7-6900K has a 119.5% higher aggregate performance score, an age advantage of 2 years, 100% more physical cores and 100% more threads, and a 57.1% more advanced lithography process.
i7-4950HQ, on the other hand, has 197.9% lower power consumption.
The Core i7-6900K is our recommended choice as it beats the Core i7-4950HQ in performance tests.
Note that Core i7-6900K is a desktop processor while Core i7-4950HQ is a notebook one.
Should you still have questions on choice between Core i7-6900K and Core i7-4950HQ, ask them in Comments section, and we shall answer.
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