Ryzen AI 7 450 vs Athlon XP 1900+
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3671 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Power efficiency | 0.07 | no data |
| Designer | AMD | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | Thoroughbred (2001−2002) | Gorgon Point (2026) |
| Release date | November 2001 (24 years ago) | 5 January 2026 (less than a year ago) |
Detailed specifications
Basic parameters of Athlon XP 1900+ and Ryzen AI 7 450: 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) | 8 (Octa-Core) |
| Threads | 1 | 16 |
| Base clock speed | no data | 2 GHz |
| Boost clock speed | 1.6 GHz | 5.1 GHz |
| L1 cache | 128 KB | 80 KB (per core) |
| L2 cache | 256 KB | 1 MB (per core) |
| L3 cache | 0 KB | 8 MB |
| Chip lithography | 180 nm | 4 nm |
| Die size | 150 mm2 | 195 mm2 |
| Number of transistors | 37 million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Athlon XP 1900+ and Ryzen AI 7 450 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 | A | FP8 |
| Power consumption (TDP) | 68 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon XP 1900+ and Ryzen AI 7 450. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon XP 1900+ and Ryzen AI 7 450 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon XP 1900+ and Ryzen AI 7 450. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5, LPDDR5X |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 860M |
Peripherals
Specifications and connection of peripherals supported by Athlon XP 1900+ and Ryzen AI 7 450.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 16 |
Synthetic benchmarks
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Physical cores | 1 | 8 |
| Threads | 1 | 16 |
| Chip lithography | 180 nm | 4 nm |
| Power consumption (TDP) | 68 Watt | 28 Watt |
Ryzen AI 7 450 has 700% more physical cores and 1500% more threads, a 4400% more advanced lithography process, and 143% lower power consumption.
We couldn't decide between AMD Athlon XP 1900+ and AMD Ryzen AI 7 450. We've got no test results to judge.
Note that Athlon XP 1900+ is a desktop processor while Ryzen AI 7 450 is a notebook one.
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