Atom Z650 vs Ryzen 5 7400
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 687 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Atom |
| Power efficiency | 20.60 | no data |
| Designer | AMD | Intel |
| Manufacturer | TSMC | Intel |
| Architecture codename | Raphael (2023−2025) | Lincroft (2010−2011) |
| Release date | 16 September 2025 (less than a year ago) | 11 April 2011 (14 years ago) |
Detailed specifications
Ryzen 5 7400 and Atom Z650 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 | 6 (Hexa-Core) | 1 (Single-Core) |
| Threads | 12 | 2 |
| Base clock speed | 3.3 GHz | 1.2 GHz |
| Boost clock speed | 4.3 GHz | 1.2 GHz |
| Bus type | no data | cDMI |
| Bus rate | no data | 400 MT/s |
| Multiplier | no data | 8 |
| L1 cache | 64 KB (per core) | 64K (per core) |
| L2 cache | 1 MB (per core) | 512 KB (per core) |
| L3 cache | 16 MB (shared) | 0 KB |
| Chip lithography | 5 nm | 45 nm |
| Die size | 71 mm2 | 65 mm2 |
| Maximum core temperature | no data | 90 °C |
| Maximum case temperature (TCase) | 61 °C | no data |
| Number of transistors | 6,570 million | 140 million |
| 64 bit support | + | - |
| Windows 11 compatibility | no data | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 5 7400 and Atom Z650 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 (Uniprocessor) |
| Socket | AM5 | T-PBGA518 |
| Power consumption (TDP) | 65 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 5 7400 and Atom Z650. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE, Intel® SSE2, Intel® SSE3 |
| AES-NI | + | - |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Precision Boost 2 | + | no data |
Security technologies
Ryzen 5 7400 and Atom Z650 technologies aimed at improving security, for example, by protecting against hacks.
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 5 7400 and Atom Z650 are enumerated here.
| AMD-V | + | - |
| VT-d | no data | - |
| VT-x | no data | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 5 7400 and Atom Z650. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR2 |
| Maximum memory size | no data | 2.93 GB |
| Max memory channels | no data | 1 |
| Maximum memory bandwidth | no data | 3.2 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon Graphics | PowerVR SGX535 |
Graphics interfaces
Available interfaces and connections of Ryzen 5 7400 and Atom Z650 integrated GPUs.
| LVDS | no data | + |
Peripherals
Specifications and connection of peripherals supported by Ryzen 5 7400 and Atom Z650.
| PCIe version | 5.0 | no data |
| PCI Express lanes | 24 | no data |
| PCI support | no data | - |
Pros & cons summary
| Recency | 16 September 2025 | 11 April 2011 |
| Physical cores | 6 | 1 |
| Threads | 12 | 2 |
| Chip lithography | 5 nm | 45 nm |
| Power consumption (TDP) | 65 Watt | 3 Watt |
Ryzen 5 7400 has an age advantage of 14 years, 500% more physical cores and 500% more threads, and a 800% more advanced lithography process.
Atom Z650, on the other hand, has 2066.7% lower power consumption.
We couldn't decide between AMD Ryzen 5 7400 and Intel Atom Z650. We've got no test results to judge.
Note that Ryzen 5 7400 is a desktop processor while Atom Z650 is a notebook one.
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