Athlon 64 TF-20 vs Core 2 Extreme QX9775
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 3521 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | AMD Athlon 64 |
| Power efficiency | no data | 0.25 |
| Designer | Intel | AMD |
| Manufacturer | Intel | no data |
| Architecture codename | Yorkfield (2007−2009) | Sherman (2009) |
| Release date | 24 March 2008 (17 years ago) | 1 May 2009 (16 years ago) |
| Launch price (MSRP) | $1,499 | no data |
Detailed specifications
Core 2 Extreme QX9775 and Athlon 64 TF-20 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) | 1 (Single-Core) |
| Threads | 4 | 1 |
| Base clock speed | 3.2 GHz | no data |
| Boost clock speed | 3.2 GHz | 1.6 GHz |
| Bus rate | 1600 MHz | 667 MHz |
| L1 cache | 64 KB (per core) | 0.1 MB |
| L2 cache | 6 MB (per die) | 512 KB |
| L3 cache | 0 KB | no data |
| Chip lithography | 45 nm | 65 nm |
| Die size | 2x 107 mm2 | no data |
| Maximum core temperature | no data | 95 °C |
| Maximum case temperature (TCase) | 63 °C | no data |
| Number of transistors | 820 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
| VID voltage range | 0.85V-1.35V | no data |
Compatibility
Information on Core 2 Extreme QX9775 and Athlon 64 TF-20 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 | 2 | no data |
| Socket | LGA771 | S1g1 |
| Power consumption (TDP) | 150 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Extreme QX9775 and Athlon 64 TF-20. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | MMX, 3DNow!, SSE, SSE2, SSE3, AMD64, Enhanced Virus Protection |
| 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
Core 2 Extreme QX9775 and Athlon 64 TF-20 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 64 TF-20 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 64 TF-20. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by Core 2 Extreme QX9775 and Athlon 64 TF-20.
| PCIe version | 1.0 | no data |
Pros & cons summary
| Recency | 24 March 2008 | 1 May 2009 |
| Physical cores | 4 | 1 |
| Threads | 4 | 1 |
| Chip lithography | 45 nm | 65 nm |
| Power consumption (TDP) | 150 Watt | 25 Watt |
Core 2 Extreme QX9775 has 300% more physical cores and 300% more threads, and a 44.4% more advanced lithography process.
Athlon 64 TF-20, on the other hand, has an age advantage of 1 year, and 500% lower power consumption.
We couldn't decide between Intel Core 2 Extreme QX9775 and AMD Athlon 64 TF-20. We've got no test results to judge.
Note that Core 2 Extreme QX9775 is a desktop processor while Athlon 64 TF-20 is a notebook one.
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