i5-11400 vs Ryzen 7 3800X
Aggregate performance score
Ryzen 7 3800X outperforms Core i5-11400 by a substantial 36% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 7 3800X and Core i5-11400 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 483 | 720 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 16.42 | no data |
| Market segment | Desktop processor | Desktop processor |
| Series | AMD Ryzen 7 | no data |
| Power efficiency | 13.13 | 15.59 |
| Architecture codename | Matisse (2019−2020) | Rocket Lake (2021) |
| Release date | 27 May 2019 (5 years ago) | 16 March 2021 (3 years ago) |
| Launch price (MSRP) | $399 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 7 3800X and Core i5-11400 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) | 6 (Hexa-Core) |
| Threads | 16 | 12 |
| Base clock speed | 3.9 GHz | 2.6 GHz |
| Boost clock speed | 4.5 GHz | 4.4 GHz |
| Bus rate | no data | 8 GT/s |
| L1 cache | 512 KB | 64K (per core) |
| L2 cache | 4 MB | 256K (per core) |
| L3 cache | 32 MB | 12 MB (shared) |
| Chip lithography | 7 nm, 12 nm | 14 nm |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 19,200 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 7 3800X and Core i5-11400 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 |
| Socket | AM4 | FCLGA1200 |
| Power consumption (TDP) | 105 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 7 3800X and Core i5-11400. 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, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Turbo Boost Max 3.0 | no data | - |
| Precision Boost 2 | + | no data |
| Deep Learning Boost | - | + |
Security technologies
Ryzen 7 3800X and Core i5-11400 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| Identity Protection | - | + |
| SGX | no data | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 7 3800X and Core i5-11400 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 7 3800X and Core i5-11400. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | DDR4-3200 |
| Maximum memory size | 128 GB | 128 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 51.196 GB/s | 50 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | - | Intel UHD Graphics 730 |
| Max video memory | - | 64 GB |
| Quick Sync Video | - | + |
| Clear Video | - | + |
| Clear Video HD | - | + |
| Graphics max frequency | - | 1.3 GHz |
| Execution Units | - | 24 |
| InTru 3D | - | + |
Graphics interfaces
Available interfaces and connections of Ryzen 7 3800X and Core i5-11400 integrated GPUs.
| Number of displays supported | - | 3 |
Graphics image quality
Maximum display resolutions supported by Ryzen 7 3800X and Core i5-11400 integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | - | + |
| Max resolution over HDMI 1.4 | - | 4096x2160@60Hz |
| Max resolution over eDP | - | 5120 x 3200 @60Hz |
| Max resolution over DisplayPort | - | 5120 x 3200 @60Hz |
Graphics API support
APIs supported by Ryzen 7 3800X and Core i5-11400 integrated GPUs, sometimes API versions are included.
| DirectX | - | 12.1 |
| OpenGL | - | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Ryzen 7 3800X and Core i5-11400.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
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 | 15.12 | 11.11 |
| Recency | 27 May 2019 | 16 March 2021 |
| Physical cores | 8 | 6 |
| Threads | 16 | 12 |
| Chip lithography | 7 nm | 14 nm |
| Power consumption (TDP) | 105 Watt | 65 Watt |
Ryzen 7 3800X has a 36.1% higher aggregate performance score, 33.3% more physical cores and 33.3% more threads, and a 100% more advanced lithography process.
i5-11400, on the other hand, has an age advantage of 1 year, and 61.5% lower power consumption.
The Ryzen 7 3800X is our recommended choice as it beats the Core i5-11400 in performance tests.
Should you still have questions on choice between Ryzen 7 3800X and Core i5-11400, ask them in Comments section, and we shall answer.
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