Core 2 Duo E8435 vs Core 2 Extreme X7900
Aggregate performance score
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2907 | 2908 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core 2 Extreme | no data |
| Power efficiency | 0.61 | 0.61 |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Merom (2006−2008) | Penryn (2008−2011) |
| Release date | 1 September 2007 (17 years ago) | 3 March 2009 (16 years ago) |
| Launch price (MSRP) | $851 | no data |
Detailed specifications
Core 2 Extreme X7900 and Core 2 Duo E8435 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 | 2 | 2 |
| Base clock speed | 2.8 GHz | 3.067 GHz |
| Boost clock speed | 2.8 GHz | 0.07 GHz |
| Bus rate | 800 MHz | no data |
| L1 cache | 128 KB | 64 KB (per core) |
| L2 cache | 4 MB | 6 MB (shared) |
| L3 cache | 0 KB | no data |
| Chip lithography | 65 nm | 45 nm |
| Die size | 143 mm2 | 107 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 410 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| VID voltage range | 1.1V-1.375V | no data |
Compatibility
Information on Core 2 Extreme X7900 and Core 2 Duo E8435 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 | PPGA478 | P |
| Power consumption (TDP) | 44 Watt | 44 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Extreme X7900 and Core 2 Duo E8435. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | - | no data |
| Demand Based Switching | - | no data |
| AMT | + | no data |
| FSB parity | - | no data |
Security technologies
Core 2 Extreme X7900 and Core 2 Duo E8435 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Extreme X7900 and Core 2 Duo E8435 are enumerated here.
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme X7900 and Core 2 Duo E8435. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1 | DDR2, DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | On certain motherboards (Chipset feature) |
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.
Pros & cons summary
| Recency | 1 September 2007 | 3 March 2009 |
| Chip lithography | 65 nm | 45 nm |
Core 2 Duo E8435 has an age advantage of 1 year, and a 44.4% more advanced lithography process.
Given the minimal performance differences, no clear winner can be declared between Intel Core 2 Extreme X7900 and Intel Core 2 Duo E8435.
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