i7-6660U vs Ryzen 5 3400G
Aggregate performance score
Ryzen 5 3400G outperforms Core i7-6660U by a whopping 156% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 5 3400G and Core i7-6660U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1114 | 1812 |
| Place by popularity | 92 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | AMD Ryzen 5 | Intel Core i7 |
| Power efficiency | 8.47 | 14.32 |
| Architecture codename | Picasso (2019−2022) | Skylake (2015−2016) |
| Release date | 7 July 2019 (5 years ago) | 20 March 2016 (8 years ago) |
| Launch price (MSRP) | no data | $415 |
Detailed specifications
Ryzen 5 3400G and Core i7-6660U 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 | 3.7 GHz | 2.4 GHz |
| Boost clock speed | 4.2 GHz | 3.4 GHz |
| Bus type | PCIe 3.0 | OPI |
| Bus rate | no data | 4 GT/s |
| Multiplier | 37 | 24 |
| L1 cache | 128K (per core) | 128 KB |
| L2 cache | 512K (per core) | 512 KB |
| L3 cache | 4 MB (shared) | 4 MB |
| Chip lithography | 12 nm | 14 nm |
| Die size | 210 mm2 | no data |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 4,950 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Ryzen 5 3400G and Core i7-6660U 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 | AM4 | FCBGA1356 |
| Power consumption (TDP) | 65 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 5 3400G and Core i7-6660U. 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) | no data | + |
| eDRAM | no data | 64 MB |
| My WiFi | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| SIPP | - | + |
| Smart Response | no data | + |
Security technologies
Ryzen 5 3400G and Core i7-6660U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| MPX | - | + |
| Identity Protection | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 5 3400G and Core i7-6660U 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 Ryzen 5 3400G and Core i7-6660U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2933 | DDR4-2133, LPDDR3-1866, DDR3L-1600 |
| Maximum memory size | 64 GB | 32 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 46.933 GB/s | 34.134 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon RX Vega 11 | Intel Iris Graphics 540 |
| Max video memory | no data | 32 GB |
| Quick Sync Video | - | + |
| Clear Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.05 GHz |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of Ryzen 5 3400G and Core i7-6660U 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 Ryzen 5 3400G and Core i7-6660U 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 Ryzen 5 3400G and Core i7-6660U integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Ryzen 5 3400G and Core i7-6660U.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | 20 | 12 |
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.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Performance score | 5.82 | 2.27 |
| Integrated graphics card | 5.47 | 3.26 |
| Recency | 7 July 2019 | 20 March 2016 |
| Physical cores | 4 | 2 |
| Threads | 8 | 4 |
| Chip lithography | 12 nm | 14 nm |
| Power consumption (TDP) | 65 Watt | 15 Watt |
Ryzen 5 3400G has a 156.4% higher aggregate performance score, 67.8% faster integrated GPU, an age advantage of 3 years, 100% more physical cores and 100% more threads, and a 16.7% more advanced lithography process.
i7-6660U, on the other hand, has 333.3% lower power consumption.
The Ryzen 5 3400G is our recommended choice as it beats the Core i7-6660U in performance tests.
Note that Ryzen 5 3400G is a desktop processor while Core i7-6660U is a notebook one.
Should you still have questions on choice between Ryzen 5 3400G and Core i7-6660U, ask them in Comments section, and we shall answer.
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