Core 2 Extreme QX9770 vs Phenom II X2 X640 BE
Aggregate performance score
Core 2 Extreme QX9770 outperforms Phenom II X2 X640 BE by a whopping 194% 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 | 2761 | 1929 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | 2x AMD Phenom II | no data |
| Power efficiency | no data | 2.06 |
| Designer | AMD | Intel |
| Architecture codename | Champlain (2010−2011) | Yorkfield (2007−2009) |
| Release date | 12 May 2011 (14 years ago) | March 2008 (17 years ago) |
Detailed specifications
Phenom II X2 X640 BE and Core 2 Extreme QX9770 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 |
| Base clock speed | no data | 3.2 GHz |
| Boost clock speed | 3.2 GHz | 3.2 GHz |
| Bus rate | 3600 MHz | 1600 MHz |
| L1 cache | 256 KB | 64K (per core) |
| L2 cache | 2 MB | 12 MB (shared) |
| L3 cache | no data | 0 KB |
| Chip lithography | 45 nm | 45 nm |
| Die size | no data | 2x 107 mm2 |
| Maximum case temperature (TCase) | no data | 55 °C |
| Number of transistors | no data | 820 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
| VID voltage range | no data | 0.85V-1.3625V |
Compatibility
Information on Phenom II X2 X640 BE and Core 2 Extreme QX9770 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 | no data | 1 |
| Socket | S1 | LGA775 |
| Power consumption (TDP) | 2 MB | 136 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X2 X640 BE and Core 2 Extreme QX9770. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, 3DNow!, SSE1-3A, AMD64, Enhanced Virus Protection, Virtualization | no data |
| VirusProtect | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | no data | - |
| FSB parity | no data | - |
Security technologies
Phenom II X2 X640 BE and Core 2 Extreme QX9770 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 Phenom II X2 X640 BE and Core 2 Extreme QX9770 are enumerated here.
| AMD-V | + | - |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X2 X640 BE and Core 2 Extreme QX9770. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1, DDR2, DDR3 |
Pros & cons summary
| Performance score | 0.89 | 2.62 |
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Power consumption (TDP) | 2 Watt | 136 Watt |
Phenom II X2 X640 BE has 6700% lower power consumption.
Core 2 Extreme QX9770, on the other hand, has a 194.4% higher aggregate performance score, and 100% more physical cores and 100% more threads.
The Intel Core 2 Extreme QX9770 is our recommended choice as it beats the AMD Phenom II X2 X640 BE in performance tests.
Be aware that Phenom II X2 X640 BE is a notebook processor while Core 2 Extreme QX9770 is a desktop one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
