Ryzen 9 7900X3D vs Atom Z650
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 202 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 50.39 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Atom | AMD Ryzen 9 |
| Power efficiency | no data | 25.46 |
| Designer | Intel | AMD |
| Manufacturer | Intel | TSMC |
| Architecture codename | Lincroft (2010−2011) | Raphael (2023−2025) |
| Release date | 11 April 2011 (14 years ago) | 4 January 2023 (2 years ago) |
| Launch price (MSRP) | no data | $599 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Atom Z650 and Ryzen 9 7900X3D 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) | 12 (Dodeca-Core) |
| Threads | 2 | 24 |
| Base clock speed | 1.2 GHz | 4.4 GHz |
| Boost clock speed | 1.2 GHz | 5.6 GHz |
| Bus type | cDMI | no data |
| Bus rate | 400 MT/s | no data |
| Multiplier | 8 | no data |
| L1 cache | 64K (per core) | 64K (per core) |
| L2 cache | 512 KB (per core) | 1 MB (per core) |
| L3 cache | 0 KB | 128 MB (shared) |
| Chip lithography | 45 nm | 5 nm, 6 nm |
| Die size | 65 mm2 | 2x 71 mm2 |
| Maximum core temperature | 90 °C | no data |
| Maximum case temperature (TCase) | no data | 47 °C |
| Number of transistors | 140 million | 13,140 million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Atom Z650 and Ryzen 9 7900X3D 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 | T-PBGA518 | AM5 |
| Power consumption (TDP) | 3 Watt | 120 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom Z650 and Ryzen 9 7900X3D. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE, Intel® SSE2, Intel® SSE3 | no data |
| 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
Atom Z650 and Ryzen 9 7900X3D technologies aimed at improving security, for example, by protecting against hacks.
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom Z650 and Ryzen 9 7900X3D 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 Atom Z650 and Ryzen 9 7900X3D. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR5-5200 |
| Maximum memory size | 2.93 GB | 128 GB |
| Max memory channels | 1 | no data |
| Maximum memory bandwidth | 3.2 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | PowerVR SGX535 | AMD Radeon Graphics |
Graphics interfaces
Available interfaces and connections of Atom Z650 and Ryzen 9 7900X3D integrated GPUs.
| LVDS | + | no data |
Peripherals
Specifications and connection of peripherals supported by Atom Z650 and Ryzen 9 7900X3D.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 24 |
| PCI support | - | no data |
Pros & cons summary
| Recency | 11 April 2011 | 4 January 2023 |
| Physical cores | 1 | 12 |
| Threads | 2 | 24 |
| Chip lithography | 45 nm | 5 nm |
| Power consumption (TDP) | 3 Watt | 120 Watt |
Atom Z650 has 3900% lower power consumption.
Ryzen 9 7900X3D, on the other hand, has an age advantage of 11 years, 1100% more physical cores and 1100% more threads, and a 800% more advanced lithography process.
We couldn't decide between Intel Atom Z650 and AMD Ryzen 9 7900X3D. We've got no test results to judge.
Be aware that Atom Z650 is a notebook processor while Ryzen 9 7900X3D is a desktop one.
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