Pentium Extreme Edition 955 vs i5-650
Aggregate performance score
Core i5-650 outperforms Pentium Extreme Edition 955 by a whopping 374% 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 | 2485 | 3399 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 4.93 | no data |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 1.88 | 0.22 |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Clarkdale (2010−2011) | Presler (2005−2007) |
| Release date | 7 January 2010 (15 years ago) | 27 December 2005 (19 years ago) |
| Launch price (MSRP) | $35 | $999 |
Cost-effectiveness evaluation
Performance per price, higher is better.
i5-650 and Pentium Extreme Edition 955 have a nearly equal value for money.
Performance to price scatter graph
Detailed specifications
Core i5-650 and Pentium Extreme Edition 955 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 | 4 | 4 |
| Base clock speed | 3.2 GHz | 3.466 GHz |
| Boost clock speed | 3.46 GHz | 0.47 GHz |
| Bus rate | 2.5 GT/s | no data |
| L1 cache | 64 KB (per core) | 16 KB (per core) |
| L2 cache | 256 KB (per core) | 2 MB (per core) |
| L3 cache | 4 MB (shared) | no data |
| Chip lithography | 32 nm | 65 nm |
| Die size | 81 mm2 | 2x 81 mm2 |
| Maximum core temperature | 73 °C | no data |
| Maximum case temperature (TCase) | no data | 69 °C |
| Number of transistors | 382 million | 376 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Core i5-650 and Pentium Extreme Edition 955 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 |
| Socket | FCLGA1156 | 775 |
| Power consumption (TDP) | 73 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-650 and Pentium Extreme Edition 955. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | no data |
| AES-NI | + | - |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 1.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Demand Based Switching | - | no data |
| PAE | 36 Bit | no data |
| FDI | + | no data |
Security technologies
Core i5-650 and Pentium Extreme Edition 955 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-650 and Pentium Extreme Edition 955 are enumerated here.
| VT-d | + | no data |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-650 and Pentium Extreme Edition 955. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1, DDR2, DDR3 Depends on motherboard |
| Maximum memory size | 16.38 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 21 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics for Previous Generation Intel Processors | On certain motherboards (Chipset feature) |
| Clear Video HD | + | no data |
Graphics interfaces
Available interfaces and connections of Core i5-650 and Pentium Extreme Edition 955 integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i5-650 and Pentium Extreme Edition 955.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 16 | no data |
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 | 1.28 | 0.27 |
| Recency | 7 January 2010 | 27 December 2005 |
| Chip lithography | 32 nm | 65 nm |
| Power consumption (TDP) | 73 Watt | 130 Watt |
i5-650 has a 374.1% higher aggregate performance score, an age advantage of 4 years, a 103.1% more advanced lithography process, and 78.1% lower power consumption.
The Intel Core i5-650 is our recommended choice as it beats the Intel Pentium Extreme Edition 955 in performance tests.
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