Xeon E5405 vs Core 2 Duo T9550
Aggregate performance score
Core 2 Duo T9550 outperforms Xeon E5405 by a minimal 3% 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 | 2673 | 2692 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.05 | 0.07 |
| Market segment | Laptop | Server |
| Series | Intel Core 2 Duo | no data |
| Power efficiency | no data | 1.33 |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Penryn (2008−2011) | Harpertown (2007−2008) |
| Release date | 1 January 2009 (16 years ago) | 11 November 2007 (18 years ago) |
| Launch price (MSRP) | $316 | $209 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon E5405 has 40% better value for money than Core 2 Duo T9550.
Performance to price scatter graph
Detailed specifications
Core 2 Duo T9550 and Xeon E5405 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) | 4 (Quad-Core) |
| Threads | 2 | 4 |
| Base clock speed | 2.66 GHz | 2 GHz |
| Boost clock speed | 2.66 GHz | 2 GHz |
| Bus rate | 1066 MHz | no data |
| L1 cache | 128 KB | 64 KB (per core) |
| L2 cache | 6 MB | 6 MB (per die) |
| L3 cache | 6 MB L2 Cache | 12 MB L2 Cache |
| Chip lithography | 45 nm | 45 nm |
| Die size | 107 mm2 | 2x 107 mm2 |
| Maximum core temperature | 105 °C | no data |
| Maximum case temperature (TCase) | no data | 63 °C |
| Number of transistors | 410 Million | 820 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 1.05V-1.212V | 0.85V-1.35V |
Compatibility
Information on Core 2 Duo T9550 and Xeon E5405 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 | 2 |
| Socket | BGA479,PGA478 | LGA771 |
| Power consumption (TDP) | 35 Watt | 80 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo T9550 and Xeon E5405. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | - |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | no data | - |
| Thermal Monitoring | - | + |
| Demand Based Switching | - | - |
| FSB parity | - | + |
Security technologies
Core 2 Duo T9550 and Xeon E5405 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo T9550 and Xeon E5405 are enumerated here.
| VT-x | + | + |
| EPT | no data | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T9550 and Xeon E5405. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR2, DDR3 Depends on motherboard |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Core 2 Duo T9550 and Xeon E5405.
| PCIe version | no data | 2.0 |
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 | 1.02 | 0.99 |
| Recency | 1 January 2009 | 11 November 2007 |
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Power consumption (TDP) | 35 Watt | 80 Watt |
Core 2 Duo T9550 has a 3% higher aggregate performance score, an age advantage of 1 year, and 128.6% lower power consumption.
Xeon E5405, on the other hand, has 100% more physical cores and 100% more threads.
Given the minimal performance differences, no clear winner can be declared between Intel Core 2 Duo T9550 and Intel Xeon E5405.
Be aware that Core 2 Duo T9550 is a notebook processor while Xeon E5405 is a server/workstation one.
Other comparisons
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