Ryzen 9 4900H vs Pentium D 955
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 778 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | AMD Renoir (Ryzen 4000 APU) |
| Power efficiency | no data | 8.45 |
| Designer | Intel | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | Presler (2005−2007) | Renoir-H (Zen 2) (2020) |
| Release date | January 2006 (19 years ago) | 16 March 2020 (5 years ago) |
Detailed specifications
Pentium D 955 and Ryzen 9 4900H 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 | 2 (Dual-core) | 8 (Octa-Core) |
| Threads | no data | 16 |
| Base clock speed | no data | 3.3 GHz |
| Boost clock speed | 3.46 GHz | 4.4 GHz |
| Multiplier | no data | 33 |
| L1 cache | 28 KB | 64 KB (per core) |
| L2 cache | 4096 KB | 512 KB (per core) |
| L3 cache | 0 KB | 8 MB (shared) |
| Chip lithography | 65 nm | 7 nm |
| Die size | 140 mm2 | 156 mm2 |
| Maximum core temperature | no data | 105 °C |
| Number of transistors | 376 million | 9,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Pentium D 955 and Ryzen 9 4900H 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 | 2 | 1 |
| Socket | 775 | FP6 |
| Power consumption (TDP) | 130 Watt | 54 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 955 and Ryzen 9 4900H. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA, SHA |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium D 955 and Ryzen 9 4900H are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium D 955 and Ryzen 9 4900H. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR4 |
| Maximum memory size | no data | 64 GB |
| Max memory channels | no data | 4 |
| Maximum memory bandwidth | no data | 68.27 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon RX Vega 8 (Ryzen 4000/5000) ( - 1750 MHz) |
Peripherals
Specifications and connection of peripherals supported by Pentium D 955 and Ryzen 9 4900H.
| PCIe version | no data | 3.0 |
Pros & cons summary
| Physical cores | 2 | 8 |
| Chip lithography | 65 nm | 7 nm |
| Power consumption (TDP) | 130 Watt | 54 Watt |
Ryzen 9 4900H has 300% more physical cores, a 828.6% more advanced lithography process, and 140.7% lower power consumption.
We couldn't decide between Intel Pentium D 955 and AMD Ryzen 9 4900H. We've got no test results to judge.
Note that Pentium D 955 is a desktop processor while Ryzen 9 4900H is a notebook one.
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