Celeron 3855U vs Xeon W3505
Aggregate performance score
Celeron 3855U outperforms Xeon W3505 by a small 5% 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 | 2971 | 2939 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.06 |
| Market segment | Server | Laptop |
| Series | no data | Intel Celeron |
| Power efficiency | 0.54 | 4.93 |
| Designer | Intel | Intel |
| Manufacturer | Intel | no data |
| Architecture codename | Bloomfield (2008−2010) | Skylake (2015−2016) |
| Release date | 30 March 2009 (16 years ago) | 15 August 2015 (10 years ago) |
| Launch price (MSRP) | no data | $107 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Xeon W3505 and Celeron 3855U 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 | 2.53 GHz | 1.6 GHz |
| Boost clock speed | 0.53 GHz | 1.6 GHz |
| Bus type | no data | OPI |
| Bus rate | no data | 4 GT/s |
| Multiplier | no data | 16 |
| L1 cache | 64 KB (per core) | 128 KB |
| L2 cache | 256 KB (per core) | 512 KB |
| L3 cache | 4 MB (shared) | 2 MB |
| Chip lithography | 45 nm | 14 nm |
| Die size | 263 mm2 | 98.57 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 731 million | 1750 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.8V-1.225V | no data |
Compatibility
Information on Xeon W3505 and Celeron 3855U 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 | 1366 | FCBGA1356 |
| Power consumption (TDP) | 130 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon W3505 and Celeron 3855U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| 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 |
| PAE | 36 Bit | no data |
Security technologies
Xeon W3505 and Celeron 3855U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | - |
| EDB | + | + |
| Identity Protection | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon W3505 and Celeron 3855U are enumerated here.
| VT-d | no data | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon W3505 and Celeron 3855U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4-1866/2133, LPDDR3-1600/1866, DDR3L-1333/1600 |
| Maximum memory size | 24 GB | 32 GB |
| Max memory channels | 3 | 2 |
| Maximum memory bandwidth | 25.6 GB/s | 34.134 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | Intel HD Graphics 510 |
| Max video memory | no data | 32 GB |
| Quick Sync Video | - | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 900 MHz |
Graphics interfaces
Available interfaces and connections of Xeon W3505 and Celeron 3855U 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 Xeon W3505 and Celeron 3855U 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 |
| Max resolution over VGA | no data | N/A |
Graphics API support
APIs supported by Xeon W3505 and Celeron 3855U integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.4 |
Peripherals
Specifications and connection of peripherals supported by Xeon W3505 and Celeron 3855U.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | no data | 10 |
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.
Pros & cons summary
| Performance score | 0.66 | 0.69 |
| Recency | 30 March 2009 | 15 August 2015 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 130 Watt | 15 Watt |
Celeron 3855U has a 4.5% higher aggregate performance score, an age advantage of 6 years, a 221.4% more advanced lithography process, and 766.7% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Intel Xeon W3505 and Intel Celeron 3855U.
Be aware that Xeon W3505 is a server/workstation processor while Celeron 3855U is a notebook one.
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