Ryzen Threadripper PRO 9975WX vs Atom E665C
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 26 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 13.46 |
| Market segment | Laptop | Server |
| Power efficiency | no data | 18.50 |
| Designer | Intel | AMD |
| Manufacturer | Intel | TSMC |
| Architecture codename | Stellarton (2010) | Shimada Peak (2025) |
| Release date | 22 November 2010 (15 years ago) | 23 July 2025 (less than a year ago) |
| Launch price (MSRP) | no data | $4,099 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Atom E665C and Ryzen Threadripper PRO 9975WX 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) | 32 (Dotriaconta-Core) |
| Threads | 2 | 64 |
| Base clock speed | no data | 4 GHz |
| Boost clock speed | 1.3 GHz | 5.4 GHz |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 512 KB (per core) | 1 MB (per core) |
| L3 cache | 0 KB | 128 MB (shared) |
| Chip lithography | 45 nm | 4 nm |
| Die size | 26 mm2 | 4x 70.6 mm2 |
| Number of transistors | 47 million | 33,260 million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Atom E665C and Ryzen Threadripper PRO 9975WX 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 | Intel BGA1466 | sTR5 |
| Power consumption (TDP) | 4 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom E665C and Ryzen Threadripper PRO 9975WX. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Hyper-Threading Technology | + | no data |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom E665C and Ryzen Threadripper PRO 9975WX are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom E665C and Ryzen Threadripper PRO 9975WX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel GMA 600 | N/A |
Peripherals
Specifications and connection of peripherals supported by Atom E665C and Ryzen Threadripper PRO 9975WX.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 136 |
Pros & cons summary
| Recency | 22 November 2010 | 23 July 2025 |
| Physical cores | 1 | 32 |
| Threads | 2 | 64 |
| Chip lithography | 45 nm | 4 nm |
| Power consumption (TDP) | 4 Watt | 350 Watt |
Atom E665C has 8650% lower power consumption.
Ryzen Threadripper PRO 9975WX, on the other hand, has an age advantage of 14 years, 3100% more physical cores and 3100% more threads, and a 1025% more advanced lithography process.
We couldn't decide between Intel Atom E665C and AMD Ryzen Threadripper PRO 9975WX. We've got no test results to judge.
Be aware that Atom E665C is a notebook processor while Ryzen Threadripper PRO 9975WX is a server/workstation one.
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