Celeron 3965Y vs Core 2 Quad Q9550
Aggregate performance score
Core 2 Quad Q9550 outperforms Celeron 3965Y by an impressive 96% based on our aggregate benchmark results.
Primary details
Comparing Core 2 Quad (Desktop) Q9550 and Celeron 3965Y processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2171 | 2667 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | Core 2 Quad (Desktop) | Intel Celeron |
| Power efficiency | 1.46 | 11.83 |
| Architecture codename | Yorkfield (2007−2009) | Kaby Lake (2016−2019) |
| Release date | no data | 21 April 2017 (7 years ago) |
Detailed specifications
Core 2 Quad (Desktop) Q9550 and Celeron 3965Y 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 | 4 (Quad-Core) | 2 (Dual-core) |
| Threads | 4 | 2 |
| Base clock speed | no data | 1.5 GHz |
| Boost clock speed | 2.83 GHz | 1.3 GHz |
| Bus type | no data | OPI |
| Bus rate | 1333 MHz | 4 GT/s |
| Multiplier | no data | 13 |
| L1 cache | 64K (per core) | 128 KB |
| L2 cache | 12288 KB | 512 KB |
| L3 cache | 0 KB | 2 MB |
| Chip lithography | 45 nm | 14 nm |
| Die size | 2x 107 mm2 | no data |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 71 °C | no data |
| Number of transistors | 820 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core 2 Quad (Desktop) Q9550 and Celeron 3965Y 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 (Uniprocessor) |
| Socket | LGA775 | FCBGA1515 |
| Power consumption (TDP) | 95 Watt | 6 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad (Desktop) Q9550 and Celeron 3965Y. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | 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 | + |
| Smart Response | no data | + |
Security technologies
Core 2 Quad (Desktop) Q9550 and Celeron 3965Y technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| MPX | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Quad (Desktop) Q9550 and Celeron 3965Y are enumerated here.
| AMD-V | - | + |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Quad (Desktop) Q9550 and Celeron 3965Y. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1,DDR2,DDR3 | DDR3 |
| Maximum memory size | no data | 16 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 34.134 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel HD Graphics 615 |
| Max video memory | no data | 16 GB |
| Quick Sync Video | - | + |
| Clear Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 850 MHz |
Graphics interfaces
Available interfaces and connections of Core 2 Quad (Desktop) Q9550 and Celeron 3965Y integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| DVI | no data | + |
Graphics image quality
Maximum display resolutions supported by Core 2 Quad (Desktop) Q9550 and Celeron 3965Y integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096x2304@24Hz |
| Max resolution over eDP | no data | 4096x2304@60Hz |
| Max resolution over DisplayPort | no data | 4096x2304@60Hz |
Graphics API support
APIs supported by Core 2 Quad (Desktop) Q9550 and Celeron 3965Y integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.4 |
Peripherals
Specifications and connection of peripherals supported by Core 2 Quad (Desktop) Q9550 and Celeron 3965Y.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 16 |
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.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Performance score | 1.47 | 0.75 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 95 Watt | 6 Watt |
Core 2 Quad Q9550 has a 96% higher aggregate performance score, and 100% more physical cores and 100% more threads.
Celeron 3965Y, on the other hand, has a 221.4% more advanced lithography process, and 1483.3% lower power consumption.
The Core 2 Quad Q9550 is our recommended choice as it beats the Celeron 3965Y in performance tests.
Note that Core 2 Quad Q9550 is a desktop processor while Celeron 3965Y is a notebook one.
Should you still have questions on choice between Core 2 Quad Q9550 and Celeron 3965Y, ask them in Comments section, and we shall answer.
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