Athlon II X3 455 vs Core 2 Extreme QX9775
Primary details
Comparing Core 2 Extreme QX9775 and Athlon II X3 455 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | 2246 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 5.52 |
| Market segment | Desktop processor | Desktop processor |
| Architecture codename | Yorkfield (2007−2009) | Rana (2009−2011) |
| Release date | March 2008 (16 years ago) | 7 December 2010 (13 years ago) |
| Launch price (MSRP) | no data | $88 |
| Current price | $1474 | $25 (0.3x MSRP) |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core 2 Extreme QX9775 and Athlon II X3 455 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) | 3 (Tri-Core) |
| Threads | 4 | 3 |
| Base clock speed | 3.2 GHz | 3.3 GHz |
| Boost clock speed | 3.2 GHz | 3.3 GHz |
| L1 cache | 64K (per core) | 128 KB (per core) |
| L2 cache | 12 MB (shared) | 512 KB (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 45 nm |
| Die size | 2x 107 mm2 | 169 mm2 |
| Maximum core temperature | 63 °C | no data |
| Maximum case temperature (TCase) | 63 °C | no data |
| Number of transistors | 820 million | 300 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | Yes | No |
| VID voltage range | 0.85V-1.35V | no data |
Compatibility
Information on Core 2 Extreme QX9775 and Athlon II X3 455 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 | LGA771 | AM3 |
| Power consumption (TDP) | 150 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Extreme QX9775 and Athlon II X3 455. You'll probably need this information if you require some particular technology.
| AES-NI | - | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | no data |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
| Status | Discontinued | no data |
Security technologies
Core 2 Extreme QX9775 and Athlon II X3 455 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 2 Extreme QX9775 and Athlon II X3 455 are enumerated here.
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX9775 and Athlon II X3 455. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR3 |
Peripherals
Specifications and connection of peripherals supported by Core 2 Extreme QX9775 and Athlon II X3 455.
| PCIe version | no data | 2.0 |
Pros & cons summary
| Physical cores | 4 | 3 |
| Threads | 4 | 3 |
| Power consumption (TDP) | 150 Watt | 95 Watt |
We couldn't decide between Core 2 Extreme QX9775 and Athlon II X3 455. We've got no test results to judge.
Should you still have questions on choice between Core 2 Extreme QX9775 and Athlon II X3 455, ask them in Comments section, and we shall answer.
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