Celeron 3965Y vs Core 2 Duo E6420
Aggregate performance score
Celeron 3965Y outperforms Core 2 Duo E6420 by an impressive 55% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3192 | 2953 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Celeron |
| Power efficiency | 0.73 | no data |
| Designer | Intel | Intel |
| Architecture codename | Conroe (2006−2007) | Kaby Lake (2016−2019) |
| Release date | April 2007 (18 years ago) | 21 April 2017 (8 years ago) |
Detailed specifications
Core 2 Duo E6420 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 | 2 (Dual-core) | 2 (Dual-core) |
| Threads | 2 | 2 |
| Base clock speed | 2.13 GHz | 1.5 GHz |
| Boost clock speed | 2.13 GHz | 1.3 GHz |
| Bus type | no data | OPI |
| Bus rate | 1066 MHz | 4 GT/s |
| Multiplier | no data | 13 |
| L1 cache | 64 KB | 128 KB |
| L2 cache | 4 MB | 512 KB |
| L3 cache | 0 KB | 2 MB |
| Chip lithography | 65 nm | 14 nm |
| Die size | 111 mm2 | no data |
| Maximum core temperature | 60 °C | 100 °C |
| Number of transistors | 167 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.5V | no data |
Compatibility
Information on Core 2 Duo E6420 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 | PLGA775 | FCBGA1515 |
| Power consumption (TDP) | 65 Watt | 6 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo E6420 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 | - | - |
| Hyper-Threading Technology | - | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | no data | + |
| Smart Response | no data | + |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
Security technologies
Core 2 Duo E6420 and Celeron 3965Y technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| MPX | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo E6420 and Celeron 3965Y are enumerated here.
| AMD-V | - | + |
| VT-d | no data | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E6420 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 Duo E6420 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 Duo E6420 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 Duo E6420 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 Duo E6420 and Celeron 3965Y.
| PCIe version | no data | 3.0 |
| 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.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
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.
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 | 0.44 | 0.68 |
| Chip lithography | 65 nm | 14 nm |
| Power consumption (TDP) | 65 Watt | 6 Watt |
Celeron 3965Y has a 54.5% higher aggregate performance score, a 364.3% more advanced lithography process, and 983.3% lower power consumption.
The Intel Celeron 3965Y is our recommended choice as it beats the Intel Core 2 Duo E6420 in performance tests.
Note that Core 2 Duo E6420 is a desktop processor while Celeron 3965Y is a notebook one.
Other comparisons
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