Atom C3958 vs Core i7-6700
Aggregate performance score
i7-6700 outperforms Atom C3958 by an impressive 89% based on our aggregate benchmark results.
Primary details
Comparing Core i7-6700 and Atom C3958 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1146 | 1633 |
| Place by popularity | 86 | not in top-100 |
| Cost-effectiveness evaluation | 3.18 | 0.54 |
| Market segment | Desktop processor | Server |
| Series | Intel Core i7 (Desktop) | Intel Atom |
| Architecture codename | Skylake (2015−2016) | Goldmont (2016−2017) |
| Release date | 1 September 2015 (8 years ago) | 15 August 2017 (6 years ago) |
| Launch price (MSRP) | $303 | $449 |
Cost-effectiveness evaluation
Performance per price, higher is better.
i7-6700 has 489% better value for money than Atom C3958.
Detailed specifications
Core i7-6700 and Atom C3958 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) | 16 (Hexadeca-Core) |
| Threads | 8 | 16 |
| Base clock speed | 3.4 GHz | no data |
| Boost clock speed | 3.4 GHz | 2 GHz |
| Bus support | 4 × 8 GT/s | no data |
| L1 cache | 256 KB | 896 KB |
| L2 cache | 1 MB | 16 MB |
| L3 cache | 8 MB | no data |
| Chip lithography | 14 nm | 14 nm |
| Die size | 122 mm2 | no data |
| Maximum core temperature | no data | 83 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Core i7-6700 and Atom C3958 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 | FCLGA1151 | no data |
| Power consumption (TDP) | 65 Watt | 31 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-6700 and Atom C3958. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | no data |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Hyper-Threading Technology | + | no data |
| TSX | + | no data |
| SIPP | + | no data |
Security technologies
Core i7-6700 and Atom C3958 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-6700 and Atom C3958 are enumerated here.
| AMD-V | + | no data |
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-6700 and Atom C3958. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3, DDR4 | DDR3L-1600 |
| Maximum memory size | 64 GB | 256 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 34.134 GB/s | 38.397 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 530 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-6700 and Atom C3958.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 16 | 16 |
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.
Core i7-6700 outperforms Atom C3958 by 89% based on our aggregate benchmark results.
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.
Benchmark coverage: 68%
Core i7-6700 outperforms Atom C3958 by 89% in Passmark.
Pros & cons summary
| Performance score | 5.23 | 2.77 |
| Recency | 1 September 2015 | 15 August 2017 |
| Physical cores | 4 | 16 |
| Threads | 8 | 16 |
| Power consumption (TDP) | 65 Watt | 31 Watt |
i7-6700 has a 88.8% higher aggregate performance score.
Atom C3958, on the other hand, has an age advantage of 1 year, 300% more physical cores and 100% more threads, and 109.7% lower power consumption.
The Core i7-6700 is our recommended choice as it beats the Atom C3958 in performance tests.
Note that Core i7-6700 is a desktop processor while Atom C3958 is a server/workstation one.
Should you still have questions on choice between Core i7-6700 and Atom C3958, ask them in Comments section, and we shall answer.
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