i5-4400E vs i7-6950X
Aggregate performance score
Core i7-6950X outperforms Core i5-4400E by a whopping 435% based on our aggregate benchmark results.
Primary details
Comparing Core i7-6950X and Core i5-4400E processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 706 | 1892 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.85 | no data |
| Market segment | Desktop processor | Laptop |
| Series | Intel Core i7 (Desktop) | Intel Core i5 |
| Power efficiency | 7.39 | 5.22 |
| Architecture codename | Broadwell-E (2016) | Haswell (2013−2015) |
| Release date | 31 May 2016 (8 years ago) | 1 October 2013 (11 years ago) |
| Launch price (MSRP) | $1,723 | $266 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-6950X and Core i5-4400E 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 | 10 (Deca-Core) | 2 (Dual-core) |
| Threads | 20 | 4 |
| Base clock speed | 3 GHz | 2.7 GHz |
| Boost clock speed | 4 GHz | 3.3 GHz |
| Bus rate | 9.6 GT/s / QPI | no data |
| L1 cache | 32K (per core) | 128 KB |
| L2 cache | 256K (per core) | 512 KB |
| L3 cache | 25 MB (shared) | 3 MB |
| Chip lithography | 14 nm | 22 nm |
| Die size | 246 mm2 | 130 mm2 |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | 3,800 million | 960 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i7-6950X and Core i5-4400E 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 | no data |
| Socket | FCLGA2011 | FCBGA1364 |
| Power consumption (TDP) | 140 Watt | 37 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-6950X and Core i5-4400E. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | + |
| Idle States | + | no data |
| Smart Response | + | no data |
| Turbo Boost Max 3.0 | + | no data |
Security technologies
Core i7-6950X and Core i5-4400E 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 i7-6950X and Core i5-4400E are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-6950X and Core i5-4400E. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR3 |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 4 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel HD Graphics 4600 |
Peripherals
Specifications and connection of peripherals supported by Core i7-6950X and Core i5-4400E.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 40 | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Performance score | 11.35 | 2.12 |
| Recency | 31 May 2016 | 1 October 2013 |
| Physical cores | 10 | 2 |
| Threads | 20 | 4 |
| Chip lithography | 14 nm | 22 nm |
| Power consumption (TDP) | 140 Watt | 37 Watt |
i7-6950X has a 435.4% higher aggregate performance score, an age advantage of 2 years, 400% more physical cores and 400% more threads, and a 57.1% more advanced lithography process.
i5-4400E, on the other hand, has 278.4% lower power consumption.
The Core i7-6950X is our recommended choice as it beats the Core i5-4400E in performance tests.
Note that Core i7-6950X is a desktop processor while Core i5-4400E is a notebook one.
Should you still have questions on choice between Core i7-6950X and Core i5-4400E, ask them in Comments section, and we shall answer.
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