Ryzen 9 7840HX vs Turion II Neo K645
Primary details
Comparing Turion II Neo K645 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 | Laptop | Laptop |
| Series | AMD Turion II Neo | AMD Dragon Range (Zen 4, Ryzen 7045) |
| Architecture codename | Geneva (2010) | Dragon Range-HX (Zen 4) (2023−2024) |
| Release date | 15 December 2010 (13 years ago) | 17 January 2024 (less than a year ago) |
Detailed specifications
Turion II Neo K645 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 | 2 (Dual-core) | 12 (Dodeca-Core) |
| Threads | 2 | 24 |
| Base clock speed | no data | 2.9 GHz |
| Boost clock speed | 1.6 GHz | 5.1 GHz |
| Bus rate | 3200 MHz | no data |
| L1 cache | no data | 768 KB |
| L2 cache | 1 MB | 12 MB |
| L3 cache | no data | 64 MB |
| Chip lithography | 45 nm | 5 nm |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | no data | 9900 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Turion II Neo K645 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.
| Socket | S1 | FL1 |
| Power consumption (TDP) | 15 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Turion II Neo K645 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 | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Turion II Neo K645 and Ryzen 9 7840HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 610M |
Pros & cons summary
| Recency | 15 December 2010 | 17 January 2024 |
| Physical cores | 2 | 12 |
| Threads | 2 | 24 |
| Chip lithography | 45 nm | 5 nm |
| Power consumption (TDP) | 15 Watt | 55 Watt |
Turion II Neo K645 has 266.7% lower power consumption.
Ryzen 9 7840HX, on the other hand, has an age advantage of 13 years, 500% more physical cores and 1100% more threads, and a 800% more advanced lithography process.
We couldn't decide between Turion II Neo K645 and Ryzen 9 7840HX. We've got no test results to judge.
Should you still have questions on choice between Turion II Neo K645 and Ryzen 9 7840HX, ask them in Comments section, and we shall answer.
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