Pentium B950 vs Xeon W3530
Aggregate performance score
Xeon W3530 outperforms Pentium B950 by a whopping 198% 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 | 2230 | 3052 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.04 | 0.03 |
| Market segment | Server | Laptop |
| Series | no data | Intel Pentium |
| Power efficiency | 1.43 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Bloomfield (2008−2010) | Sandy Bridge (2011−2013) |
| Release date | 16 March 2010 (15 years ago) | 19 June 2011 (14 years ago) |
| Launch price (MSRP) | $999 | $134 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon W3530 has 33% better value for money than Pentium B950.
Performance to price scatter graph
Detailed specifications
Xeon W3530 and Pentium B950 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 | 8 | 2 |
| Base clock speed | 2.8 GHz | 2.1 GHz |
| Boost clock speed | 3.06 GHz | 2.1 GHz |
| Bus type | no data | DMI 2.0 |
| Bus rate | no data | 4 × 5 GT/s |
| Multiplier | no data | 21 |
| L1 cache | 64 KB (per core) | 64K (per core) |
| L2 cache | 256 KB (per core) | 256K (per core) |
| L3 cache | 8 MB (shared) | 2 MB (shared) |
| Chip lithography | 45 nm | 32 nm |
| Die size | 263 mm2 | 131 mm2 |
| Maximum core temperature | 68 °C | 85 °C |
| Number of transistors | 731 million | 504 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Xeon W3530 and Pentium B950 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 | FCLGA1366 | PGA988 |
| Power consumption (TDP) | 130 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon W3530 and Pentium B950. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | Intel® SSE4.1, Intel® SSE4.2 |
| FMA | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| My WiFi | no data | - |
| Turbo Boost Technology | 1.0 | - |
| Hyper-Threading Technology | + | - |
| Idle States | + | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Demand Based Switching | + | - |
| PAE | 36 Bit | no data |
| FDI | no data | + |
| Fast Memory Access | no data | + |
Security technologies
Xeon W3530 and Pentium B950 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | - |
| EDB | + | + |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon W3530 and Pentium B950 are enumerated here.
| VT-d | no data | - |
| VT-x | + | - |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon W3530 and Pentium B950. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 24 GB | 16 GB |
| Max memory channels | 3 | 2 |
| Maximum memory bandwidth | 25.6 GB/s | 21.335 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel HD Graphics for 2nd Generation Intel Processors |
| Graphics max frequency | no data | 1.1 GHz |
Graphics interfaces
Available interfaces and connections of Xeon W3530 and Pentium B950 integrated GPUs.
| Number of displays supported | no data | 2 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| SDVO | no data | + |
| CRT | no data | + |
Peripherals
Specifications and connection of peripherals supported by Xeon W3530 and Pentium B950.
| PCIe version | 2.0 | 2.0 |
| 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 | 1.73 | 0.58 |
| Recency | 16 March 2010 | 19 June 2011 |
| Physical cores | 4 | 2 |
| Threads | 8 | 2 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 130 Watt | 35 Watt |
Xeon W3530 has a 198.3% higher aggregate performance score, and 100% more physical cores and 300% more threads.
Pentium B950, on the other hand, has an age advantage of 1 year, a 40.6% more advanced lithography process, and 271.4% lower power consumption.
The Intel Xeon W3530 is our recommended choice as it beats the Intel Pentium B950 in performance tests.
Be aware that Xeon W3530 is a server/workstation processor while Pentium B950 is a notebook one.
Other comparisons
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