Ryzen 9 7840HX vs Core 2 Extreme QX9775
Primary details
Comparing Core 2 Extreme QX9775 and Ryzen 9 7840HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | AMD Dragon Range (Zen 4, Ryzen 7045) |
| Architecture codename | Yorkfield (2007−2009) | Dragon Range-HX (Zen 4) (2023−2024) |
| Release date | March 2008 (16 years ago) | 17 January 2024 (less than a year ago) |
Detailed specifications
Core 2 Extreme QX9775 and Ryzen 9 7840HX 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) | 12 (Dodeca-Core) |
| Threads | 4 | 24 |
| Base clock speed | 3.2 GHz | 2.9 GHz |
| Boost clock speed | 3.2 GHz | 5.1 GHz |
| Bus rate | 1600 MHz | no data |
| L1 cache | 64K (per core) | 768 KB |
| L2 cache | 12 MB (shared) | 12 MB |
| L3 cache | 0 KB | 64 MB |
| Chip lithography | 45 nm | 5 nm |
| Die size | 2x 107 mm2 | no data |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 63 °C | no data |
| Number of transistors | 820 million | 9900 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
| VID voltage range | 0.85V-1.35V | no data |
Compatibility
Information on Core 2 Extreme QX9775 and Ryzen 9 7840HX 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 | no data |
| Socket | LGA771 | FL1 |
| Power consumption (TDP) | 150 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Extreme QX9775 and Ryzen 9 7840HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| 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 Ryzen 9 7840HX 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 Ryzen 9 7840HX are enumerated here.
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX9775 and Ryzen 9 7840HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 610M |
Pros & cons summary
| Physical cores | 4 | 12 |
| Threads | 4 | 24 |
| Chip lithography | 45 nm | 5 nm |
| Power consumption (TDP) | 150 Watt | 55 Watt |
Ryzen 9 7840HX has 200% more physical cores and 500% more threads, a 800% more advanced lithography process, and 172.7% lower power consumption.
We couldn't decide between Core 2 Extreme QX9775 and Ryzen 9 7840HX. We've got no test results to judge.
Note that Core 2 Extreme QX9775 is a desktop processor while Ryzen 9 7840HX is a notebook one.
Should you still have questions on choice between Core 2 Extreme QX9775 and Ryzen 9 7840HX, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
