Ryzen 5 PRO 4650U vs Pentium D 950
Aggregate performance score
Ryzen 5 PRO 4650U outperforms Pentium D 950 by a whopping 1747% based on our aggregate benchmark results.
Primary details
Comparing Pentium D 950 and Ryzen 5 PRO 4650U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2975 | 950 |
| 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 | 0.31 | 50.09 |
| Architecture codename | Presler (2005−2007) | Renoir-U PRO (Zen 2) (2020) |
| Release date | 16 January 2006 (18 years ago) | 7 May 2020 (4 years ago) |
| Launch price (MSRP) | $637 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium D 950 and Ryzen 5 PRO 4650U 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) | 6 (Hexa-Core) |
| Threads | 2 | 12 |
| Base clock speed | 3.4 GHz | 2.1 GHz |
| Boost clock speed | 3.4 GHz | 4 GHz |
| Bus type | no data | PCIe 3.0 |
| Multiplier | no data | 21 |
| L1 cache | 16 KB (per core) | 384 KB |
| L2 cache | 2 MB (per die) | 3 MB |
| L3 cache | 0 KB | 8 MB (shared) |
| Chip lithography | 65 nm | 7 nm |
| Die size | 2x 81 mm2 | 156 mm2 |
| Maximum core temperature | C1+D0=63 °C, B1=69 °C | 105 °C |
| Number of transistors | 376 million | 9800 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| VID voltage range | 1.2V-1.3375V | no data |
Compatibility
Information on Pentium D 950 and Ryzen 5 PRO 4650U 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 | LGA775,PLGA775 | FP6 |
| Power consumption (TDP) | 130 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 950 and Ryzen 5 PRO 4650U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | PRO, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Demand Based Switching | - | no data |
| PAE | 32 Bit | no data |
| FSB parity | - | no data |
Security technologies
Pentium D 950 and Ryzen 5 PRO 4650U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium D 950 and Ryzen 5 PRO 4650U 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 Pentium D 950 and Ryzen 5 PRO 4650U. 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 | On certain motherboards (Chipset feature) | AMD Radeon RX Vega 6 (Ryzen 4000/5000) ( - 1500 MHz) |
Peripherals
Specifications and connection of peripherals supported by Pentium D 950 and Ryzen 5 PRO 4650U.
| PCIe version | no data | 3.0 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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.
Pros & cons summary
| Performance score | 0.43 | 7.94 |
| Recency | 16 January 2006 | 7 May 2020 |
| Physical cores | 2 | 6 |
| Threads | 2 | 12 |
| Chip lithography | 65 nm | 7 nm |
| Power consumption (TDP) | 130 Watt | 15 Watt |
Ryzen 5 PRO 4650U has a 1746.5% higher aggregate performance score, an age advantage of 14 years, 200% more physical cores and 500% more threads, a 828.6% more advanced lithography process, and 766.7% lower power consumption.
The Ryzen 5 PRO 4650U is our recommended choice as it beats the Pentium D 950 in performance tests.
Note that Pentium D 950 is a desktop processor while Ryzen 5 PRO 4650U is a notebook one.
Should you still have questions on choice between Pentium D 950 and Ryzen 5 PRO 4650U, ask them in Comments section, and we shall answer.
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