Core 2 Extreme X6800 vs Core i7-950
Aggregate performance score
Core i7-950 outperforms Core 2 Extreme X6800 by a whopping 189% 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 | 2121 | 2944 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.18 | 0.01 |
| Market segment | Desktop processor | Desktop processor |
| Series | Core i7 (Desktop) | Core 2 Extreme (Desktop) |
| Power efficiency | 0.60 | 0.36 |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Bloomfield (2008−2010) | Conroe XE (2006) |
| Release date | 2 June 2009 (16 years ago) | 27 July 2006 (19 years ago) |
| Launch price (MSRP) | $290 | $999 |
Cost-effectiveness evaluation
Performance per price, higher is better.
i7-950 has 1700% better value for money than Core 2 Extreme X6800.
Performance to price scatter graph
Detailed specifications
Core i7-950 and Core 2 Extreme (Desktop) X6800 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 | 3.06 GHz | 2.933 GHz |
| Boost clock speed | 3.33 GHz | 0.93 GHz |
| Bus rate | 1333 MHz | 1066 MHz |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 256 KB (per core) | 4 MB (shared) |
| L3 cache | 8 MB (shared) | 0 KB |
| Chip lithography | 45 nm | 65 nm |
| Die size | 263 mm2 | 143 mm2 |
| Maximum core temperature | 68 °C | no data |
| Maximum case temperature (TCase) | no data | 60 °C |
| Number of transistors | 731 million | 291 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Core i7-950 and Core 2 Extreme (Desktop) X6800 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 | FCLGA1366 | 775 |
| Power consumption (TDP) | 130 Watt | 75 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-950 and Core 2 Extreme (Desktop) X6800. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | no data |
| Enhanced SpeedStep (EIST) | + | + |
| 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 |
Security technologies
Core i7-950 and Core 2 Extreme (Desktop) X6800 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 i7-950 and Core 2 Extreme (Desktop) X6800 are enumerated here.
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-950 and Core 2 Extreme (Desktop) X6800. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1, DDR2, DDR3 |
| Maximum memory size | 24 GB | no data |
| Max memory channels | 3 | no data |
| Maximum memory bandwidth | 25.6 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Core i7-950 and Core 2 Extreme (Desktop) X6800.
| PCIe version | 2.0 | 2.0 |
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.
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.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
3DMark06 CPU
3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.
Pros & cons summary
| Performance score | 1.85 | 0.64 |
| Recency | 2 June 2009 | 27 July 2006 |
| Physical cores | 4 | 2 |
| Threads | 8 | 2 |
| Chip lithography | 45 nm | 65 nm |
| Power consumption (TDP) | 130 Watt | 75 Watt |
i7-950 has a 189.1% higher aggregate performance score, an age advantage of 2 years, 100% more physical cores and 300% more threads, and a 44.4% more advanced lithography process.
Core 2 Extreme X6800, on the other hand, has 73.3% lower power consumption.
The Intel Core i7-950 is our recommended choice as it beats the Intel Core 2 Extreme X6800 in performance tests.
Other comparisons
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