Turion II Ultra M640 vs Ryzen 9 8945H
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 451 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Hawk Point (Zen 4/4c, Ryzen 8040) | AMD Turion II Ultra |
| Power efficiency | 16.20 | no data |
| Designer | AMD | AMD |
| Architecture codename | Hawk Point-HS (Zen 4) (2023−2024) | Caspian (2009) |
| Release date | 6 December 2023 (2 years ago) | 10 September 2009 (16 years ago) |
Detailed specifications
Ryzen 9 8945H and Turion II Ultra M640 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 | 8 (Octa-Core) | 2 (Dual-core) |
| Threads | 16 | 2 |
| Base clock speed | 4 GHz | no data |
| Boost clock speed | 5.2 GHz | 2.6 GHz |
| Bus rate | no data | 3600 MHz |
| L1 cache | 512 KB | no data |
| L2 cache | 8 MB | 2 MB |
| L3 cache | 16 MB | no data |
| Chip lithography | 4 nm | 45 nm |
| Die size | 178 mm2 | no data |
| Maximum core temperature | 100 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
Compatibility
Information on Ryzen 9 8945H and Turion II Ultra M640 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 | FP7/FP7r2/FP8 | Socket S1 (s1g3) 638-pin |
| Power consumption (TDP) | 45 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 8945H and Turion II Ultra M640. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Ryzen AI, 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 | MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization |
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
| PowerNow | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 8945H and Turion II Ultra M640. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 780M ( - 2800 MHz) | no data |
Pros & cons summary
| Recency | 6 December 2023 | 10 September 2009 |
| Physical cores | 8 | 2 |
| Threads | 16 | 2 |
| Chip lithography | 4 nm | 45 nm |
| Power consumption (TDP) | 45 Watt | 35 Watt |
Ryzen 9 8945H has an age advantage of 14 years, 300% more physical cores and 700% more threads, and a 1025% more advanced lithography process.
Turion II Ultra M640, on the other hand, has 29% lower power consumption.
We couldn't decide between AMD Ryzen 9 8945H and AMD Turion II Ultra M640. We've got no test results to judge.
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