A4-4000 vs Core 2 Extreme QX6800
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 3013 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | no data | 0.43 |
| Designer | Intel | AMD |
| Architecture codename | Kentsfield (2007) | Richland (2013−2014) |
| Release date | April 2007 (18 years ago) | 1 June 2013 (12 years ago) |
Detailed specifications
Core 2 Extreme QX6800 and A4-4000 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 | 4 | 2 |
| Base clock speed | 2.93 GHz | 3 GHz |
| Boost clock speed | 2.93 GHz | 3.2 GHz |
| Bus rate | 1066 MHz | no data |
| L1 cache | 64K (per core) | 128 KB (per core) |
| L2 cache | 8 MB (shared) | 1 MB (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 65 nm | 32 nm |
| Die size | 2x 143 mm2 | 246 mm2 |
| Maximum core temperature | 65 °C | no data |
| Maximum case temperature (TCase) | no data | 70 °C |
| Number of transistors | 582 million | 1,178 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
| VID voltage range | 0.85V-1.5V | no data |
Compatibility
Information on Core 2 Extreme QX6800 and A4-4000 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 | LGA775 | FM2 |
| Power consumption (TDP) | 130 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Extreme QX6800 and A4-4000. You'll probably need this information if you require some particular technology.
| 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 QX6800 and A4-4000 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 QX6800 and A4-4000 are enumerated here.
| AMD-V | - | + |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX6800 and A4-4000. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon HD 7480D |
Pros & cons summary
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 65 nm | 32 nm |
| Power consumption (TDP) | 130 Watt | 65 Watt |
Core 2 Extreme QX6800 has 100% more physical cores and 100% more threads.
A4-4000, on the other hand, has a 103.1% more advanced lithography process, and 100% lower power consumption.
We couldn't decide between Intel Core 2 Extreme QX6800 and AMD A4-4000. We've got no test results to judge.
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