Core 2 Quad Q9550 vs Core 2 Duo E8600
Aggregate performance score
Core 2 Quad Q9550 outperforms Core 2 Duo E8600 by an impressive 70% based on our aggregate benchmark results.
Primary details
Comparing Core 2 Duo E8600 and Core 2 Quad Q9550 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2466 | 2073 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.78 | 2.80 |
| Market segment | Desktop processor | Desktop processor |
| Series | no data | Core 2 Quad (Desktop) |
| Architecture codename | Wolfdale (2008−2010) | Yorkfield (2007−2009) |
| Release date | August 2008 (15 years ago) | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Core 2 Quad Q9550 has 57% better value for money than Core 2 Duo E8600.
Detailed specifications
Core 2 Duo E8600 and Core 2 Quad Q9550 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 |
| Boost clock speed | 3.33 GHz | 2.83 GHz |
| Bus support | no data | 1333 MHz |
| L1 cache | 64 KB | no data |
| L2 cache | 6 MB (shared) | 12288 KB |
| L3 cache | 0 KB | no data |
| Chip lithography | 45 nm | 45 nm |
| Die size | 107 mm2 | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | 410 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Core 2 Duo E8600 and Core 2 Quad Q9550 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 | no data |
| Socket | 775 | LGA775 |
| Power consumption (TDP) | 65 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo E8600 and Core 2 Quad Q9550. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8600 and Core 2 Quad Q9550. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR1,DDR2,DDR3 |
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.
Core 2 Quad Q9550 outperforms Core 2 Duo E8600 by 70% based on our aggregate benchmark results.
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.
Benchmark coverage: 68%
Core 2 Quad Q9550 outperforms Core 2 Duo E8600 by 70% in Passmark.
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.
Benchmark coverage: 41%
Core 2 Duo E8600 outperforms Core 2 Quad Q9550 by 9% in GeekBench 5 Single-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.
Benchmark coverage: 41%
Core 2 Quad Q9550 outperforms Core 2 Duo E8600 by 57% in GeekBench 5 Multi-Core.
Pros & cons summary
| Performance score | 0.89 | 1.51 |
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Power consumption (TDP) | 65 Watt | 95 Watt |
Core 2 Duo E8600 has 46.2% lower power consumption.
Core 2 Quad Q9550, on the other hand, has a 69.7% higher aggregate performance score, and 100% more physical cores and 100% more threads.
The Core 2 Quad Q9550 is our recommended choice as it beats the Core 2 Duo E8600 in performance tests.
Should you still have questions on choice between Core 2 Duo E8600 and Core 2 Quad Q9550, ask them in Comments section, and we shall answer.
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