Intel Core 2 Extreme QX9650 vs Intel Core i7-950
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CPU comparison with benchmarks
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| Intel Core 2 Extreme QX9650 | Intel Core i7-950 | |
CPU comparisonIntel Core 2 Extreme QX9650 or Intel Core i7-950 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The Intel Core 2 Extreme QX9650 has 4 cores with 4 threads and clocks with a maximum frequency of 3.00 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core 2 Extreme QX9650 was released in Q4/2007. The Intel Core i7-950 has 4 cores with 8 threads and clocks with a maximum frequency of 3.33 GHz. The CPU supports up to 24 GB of memory in 3 memory channels. The Intel Core i7-950 was released in Q2/2009. |
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| Intel Core2 Extreme (7) | Family | Intel Core i7 (298) |
| Intel Core 2 Extreme QX9000 (3) | CPU group | Intel Core i7 900 (7) |
| 2 | Generation | 1 |
| Yorkfield (Penryn) | Architecture | Bloomfield |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core 2 Extreme QX9650 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core 2 Extreme QX9650 is 3.00 GHz while the Intel Core i7-950 has 4 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Intel Core i7-950 is at 3.06 GHz (3.33 GHz). |
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| Intel Core 2 Extreme QX9650 | Characteristic | Intel Core i7-950 |
| 4 | Cores | 4 |
| 4 | Threads | 8 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| Yes | Overclocking ? | No |
| 3.00 GHz | Frequency | 3.06 GHz |
| -- | Turbo Frequency (1 Core) | 3.33 GHz |
| -- | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe Intel Core 2 Extreme QX9650 can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 17.1 GB/s. The Intel Core i7-950 supports up to 24 GB of memory in 3 memory channels and achieves a memory bandwidth of up to 25.6 GB/s. |
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| Intel Core 2 Extreme QX9650 | Characteristic | Intel Core i7-950 |
| DDR3-1066, DDR2-800 | Memory | DDR3-1066 |
| 16 GB | Max. Memory | 24 GB |
| 2 (Dual Channel) | Memory channels | 3 |
| 17.1 GB/s | Max. Bandwidth | 25.6 GB/s |
| No | ECC | No |
| 12.00 MB | L2 Cache | 1.00 MB |
| -- | L3 Cache | 8.00 MB |
| -- | PCIe version | -- |
| -- | PCIe lanes | -- |
| -- | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core 2 Extreme QX9650 is 130 W, while the Intel Core i7-950 has a TDP of 130 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Core 2 Extreme QX9650 | Characteristic | Intel Core i7-950 |
| 130 W | TDP (PL1 / PBP) | 130 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe Intel Core 2 Extreme QX9650 is manufactured in 45 nm and has 12.00 MB cache. The Intel Core i7-950 is manufactured in 45 nm and has a 9.00 MB cache. |
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| Intel Core 2 Extreme QX9650 | Characteristic | Intel Core i7-950 |
| 45 nm | Technology | 45 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| MMX, SSE2, SSE3, SSE4.1 | ISA extensions | SSE4.1, SSE4.2 |
| LGA 775 | Socket | LGA 1366 |
| VT-x, VT-d | Virtualization | VT-x, VT-x EPT |
| No | AES-NI | No |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q4/2007 | Release date | Q2/2009 |
| -- | Release price | 305 $ |
| show more data | show more data | |
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4C 8T @ 3.06 GHz (3.33 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 3 CPU benchmarks
Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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Intel Core 2 Extreme QX9650
4C 4T @ 3.00 GHz |
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Intel Core i7-950
4C 8T @ 3.33 GHz |
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Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Core 2 Extreme QX9650
4C 4T @ 3.00 GHz |
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Intel Core i7-950
4C 8T @ 3.06 GHz |
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Estimated results for PassMark CPU Mark
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
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Intel Core 2 Extreme QX9650
4C 4T @ 3.00 GHz |
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Intel Core i7-950
4C 8T @ 3.06 GHz |
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CPU-Z Benchmark 17 (Multi-Core)
The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
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Intel Core 2 Extreme QX9650
4C 4T @ 3.00 GHz |
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Intel Core i7-950
4C 8T @ 3.06 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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Intel Core 2 Extreme QX9650
4C 4T @ 3.00 GHz |
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Intel Core i7-950
4C 8T @ 3.33 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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Intel Core 2 Extreme QX9650
4C 4T @ 3.00 GHz |
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Intel Core i7-950
4C 8T @ 3.06 GHz |
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Devices using this processor |
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| Intel Core 2 Extreme QX9650 | Intel Core i7-950 |
| Unknown | Unknown |
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