Ryzen Threadripper 3990X vs Atom N455
Primary details
Comparing Atom N455 and Ryzen Threadripper 3990X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | 28 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 11.68 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Atom | AMD Ryzen Threadripper |
| Architecture codename | Pinetrail (2009−2010) | Matisse (2019−2020) |
| Release date | 1 June 2010 (14 years ago) | 25 November 2019 (4 years ago) |
| Launch price (MSRP) | $64 | $3,999 |
| Current price | $163 (2.5x MSRP) | $3489 (0.9x MSRP) |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Atom N455 and Ryzen Threadripper 3990X 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 | 1 (Single-Core) | 64 (Tetrahexaconta-Core) |
| Threads | 2 | 128 |
| Base clock speed | 1.66 GHz | 2.9 GHz |
| Boost clock speed | 1.67 GHz | 4.3 GHz |
| Bus support | 533 MHz | no data |
| L1 cache | 64 KB (per core) | 4 MB |
| L2 cache | 512K (per core) | 32 MB |
| L3 cache | 0 KB | 256 MB |
| Chip lithography | 45 nm | 7 nm, 12 nm |
| Die size | 66 mm2 | 74 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | no data | 95 °C |
| Number of transistors | 123 million | 38740 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | No | Yes |
Compatibility
Information on Atom N455 and Ryzen Threadripper 3990X 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 | FCBGA559 | TR4 |
| Power consumption (TDP) | 6.5 Watt | 280 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom N455 and Ryzen Threadripper 3990X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | no data |
| AES-NI | no data | + |
| AVX | no data | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | + | no data |
| Thermal Monitoring | + | no data |
| Demand Based Switching | - | no data |
| Status | Discontinued | no data |
Security technologies
Atom N455 and Ryzen Threadripper 3990X 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 Atom N455 and Ryzen Threadripper 3990X are enumerated here.
| AMD-V | no data | + |
| VT-d | - | no data |
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom N455 and Ryzen Threadripper 3990X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4-3200 |
| Maximum memory size | 2 GB | 256 GB |
| Max memory channels | 1 | 4 |
| Maximum memory bandwidth | no data | 102.403 GB/s |
| ECC memory support | no data | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel GMA 3150 | - |
Peripherals
Specifications and connection of peripherals supported by Atom N455 and Ryzen Threadripper 3990X.
| PCIe version | no data | 4.0 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
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%
Ryzen Threadripper 3990X outperforms Atom N455 by 41293% in Passmark.
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.
Benchmark coverage: 42%
Ryzen Threadripper 3990X outperforms Atom N455 by 2760% in GeekBench 5 Single-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.
Benchmark coverage: 42%
Ryzen Threadripper 3990X outperforms Atom N455 by 17395% in GeekBench 5 Multi-Core.
Pros & cons summary
| Recency | 1 June 2010 | 25 November 2019 |
| Physical cores | 1 | 64 |
| Threads | 2 | 128 |
| Cost | $64 | $3999 |
| Chip lithography | 45 nm | 7 nm |
| Power consumption (TDP) | 6 Watt | 280 Watt |
Atom N455 has its recommended price lower by $3935, and 4566.7% lower power consumption.
Ryzen Threadripper 3990X, on the other hand, has an age advantage of 9 years, 6300% more physical cores and 6300% more threads, and a 542.9% more advanced lithography process.
We couldn't decide between Atom N455 and Ryzen Threadripper 3990X. We've got no test results to judge.
Be aware that Atom N455 is a notebook processor while Ryzen Threadripper 3990X is a desktop one.
Should you still have questions on choice between Atom N455 and Ryzen Threadripper 3990X, ask them in Comments section, and we shall answer.
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