Ryzen 9 9950X vs Celeron 877
Primary details
Comparing Celeron 877 and Ryzen 9 9950X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 59 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 61.82 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Celeron | no data |
| Power efficiency | no data | 23.26 |
| Architecture codename | Sandy Bridge (2011−2013) | Granite Ridge (2024) |
| Release date | 1 July 2012 (12 years ago) | 15 August 2024 (less than a year ago) |
| Launch price (MSRP) | $86 | $649 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Celeron 877 and Ryzen 9 9950X 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) | 16 (Hexadeca-Core) |
| Threads | 2 | 32 |
| Base clock speed | 1.4 GHz | 4.3 GHz |
| Boost clock speed | 1.4 GHz | 5.7 GHz |
| Bus type | DMI 2.0 | no data |
| Bus rate | 4 × 5 GT/s | no data |
| Multiplier | 14 | no data |
| L1 cache | 64K (per core) | 80 KB (per core) |
| L2 cache | 256K (per core) | 1 MB (per core) |
| L3 cache | 2 MB (shared) | 64 MB (shared) |
| Chip lithography | 32 nm | 4 nm |
| Die size | 131 mm2 | 2x 70.6 mm2 |
| Maximum core temperature | 100 °C | 95 °C |
| Number of transistors | 504 million | 16,630 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Celeron 877 and Ryzen 9 9950X 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 | FCBGA1023 | AM5 |
| Power consumption (TDP) | 17 Watt | 170 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron 877 and Ryzen 9 9950X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A |
| AES-NI | - | + |
| FMA | + | - |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| My WiFi | - | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Demand Based Switching | - | no data |
| FDI | + | no data |
| Fast Memory Access | + | no data |
| Precision Boost 2 | no data | + |
Security technologies
Celeron 877 and Ryzen 9 9950X technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron 877 and Ryzen 9 9950X 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 Celeron 877 and Ryzen 9 9950X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5 |
| Maximum memory size | 16 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 21.335 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for 2nd Generation Intel® Processors | AMD Radeon Graphics |
| Graphics max frequency | 1 GHz | no data |
Graphics interfaces
Available interfaces and connections of Celeron 877 and Ryzen 9 9950X integrated GPUs.
| Number of displays supported | 2 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| SDVO | + | no data |
| CRT | + | no data |
Peripherals
Specifications and connection of peripherals supported by Celeron 877 and Ryzen 9 9950X.
| PCIe version | 2.0 | 5.0 |
| PCI Express lanes | 16 | 24 |
Synthetic benchmark performance
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.
Pros & cons summary
| Recency | 1 July 2012 | 15 August 2024 |
| Physical cores | 2 | 16 |
| Threads | 2 | 32 |
| Chip lithography | 32 nm | 4 nm |
| Power consumption (TDP) | 17 Watt | 170 Watt |
Celeron 877 has 900% lower power consumption.
Ryzen 9 9950X, on the other hand, has an age advantage of 12 years, 700% more physical cores and 1500% more threads, and a 700% more advanced lithography process.
We couldn't decide between Celeron 877 and Ryzen 9 9950X. We've got no test results to judge.
Be aware that Celeron 877 is a notebook processor while Ryzen 9 9950X is a desktop one.
Should you still have questions on choice between Celeron 877 and Ryzen 9 9950X, ask them in Comments section, and we shall answer.
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