Celeron 6305 vs Xeon E5420
Aggregate performance score
Celeron 6305 outperforms Xeon E5420 by a minimal 2% based on our aggregate benchmark results.
Primary details
Comparing Xeon E5420 and Celeron 6305 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2281 | 2258 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Series | no data | Intel Tiger Lake |
| Power efficiency | 1.51 | 8.24 |
| Architecture codename | no data | Tiger Lake-U (2020) |
| Release date | 1 October 2007 (17 years ago) | 1 September 2020 (4 years ago) |
Detailed specifications
Xeon E5420 and Celeron 6305 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 | no data | 2 (Dual-core) |
| Threads | no data | 2 |
| Base clock speed | 2.5 GHz | no data |
| Boost clock speed | no data | 1.8 GHz |
| Bus rate | no data | 4 GT/s |
| L1 cache | no data | 160 KB |
| L2 cache | no data | 2.5 MB |
| L3 cache | 12 MB L2 Cache | 4 MB |
| Chip lithography | 45 nm | 10 nm SuperFin |
| Maximum core temperature | 67 °C | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| VID voltage range | 0.85V-1.35V | no data |
Compatibility
Information on Xeon E5420 and Celeron 6305 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 | no data | 1 |
| Socket | LGA771 | FCBGA1449 |
| Power consumption (TDP) | 80 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5420 and Celeron 6305. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | no data | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Demand Based Switching | + | no data |
| FSB parity | + | no data |
| Deep Learning Boost | - | + |
Security technologies
Xeon E5420 and Celeron 6305 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | no data |
| SGX | no data | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5420 and Celeron 6305 are enumerated here.
| VT-d | no data | + |
| VT-x | + | + |
| EPT | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5420 and Celeron 6305. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4 |
| Maximum memory size | no data | 64 GB |
| Max memory channels | no data | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® UHD Graphics for 11th Gen Intel® Processors |
| Quick Sync Video | - | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.25 GHz |
| Execution Units | no data | 48 |
Graphics interfaces
Available interfaces and connections of Xeon E5420 and Celeron 6305 integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Xeon E5420 and Celeron 6305 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096x2304@60Hz |
| Max resolution over eDP | no data | 4096x2304@60Hz |
| Max resolution over DisplayPort | no data | 7680x4320@60Hz |
Graphics API support
APIs supported by Xeon E5420 and Celeron 6305 integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.1 |
| OpenGL | no data | 4.6 |
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 | 1.30 | 1.33 |
| Recency | 1 October 2007 | 1 September 2020 |
| Chip lithography | 45 nm | 10 nm |
| Power consumption (TDP) | 80 Watt | 15 Watt |
Celeron 6305 has a 2.3% higher aggregate performance score, an age advantage of 12 years, a 350% more advanced lithography process, and 433.3% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Xeon E5420 and Celeron 6305.
Be aware that Xeon E5420 is a server/workstation processor while Celeron 6305 is a notebook one.
Should you still have questions on choice between Xeon E5420 and Celeron 6305, ask them in Comments section, and we shall answer.
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