Ryzen 9 7840HX vs Athlon 64 FX-55
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3397 | 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) |
| Power efficiency | 0.09 | no data |
| Designer | AMD | AMD |
| Architecture codename | Clawhammer (2001−2005) | Dragon Range-HX (Zen 4) (2023−2024) |
| Release date | 10 October 2004 (20 years ago) | 17 January 2024 (1 year ago) |
| Launch price (MSRP) | $180 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Athlon 64 FX-55 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 | 1 (Single-Core) | 12 (Dodeca-Core) |
| Threads | 1 | 24 |
| Base clock speed | 2.6 GHz | 2.9 GHz |
| Boost clock speed | 2.6 GHz | 5.1 GHz |
| L1 cache | 128 KB | 768 KB |
| L2 cache | 1 MB | 12 MB |
| L3 cache | 0 KB | 64 MB |
| Chip lithography | 130 nm | 5 nm |
| Die size | 193 mm2 | no data |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 63 °C | no data |
| Number of transistors | 105 million | 9900 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Athlon 64 FX-55 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 | 939 | FL1 |
| Power consumption (TDP) | 104 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon 64 FX-55 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 Athlon 64 FX-55 and Ryzen 9 7840HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1 Depends on motherboard | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | AMD Radeon 610M (400 - 2200 MHz) |
Pros & cons summary
| Recency | 10 October 2004 | 17 January 2024 |
| Physical cores | 1 | 12 |
| Threads | 1 | 24 |
| Chip lithography | 130 nm | 5 nm |
| Power consumption (TDP) | 104 Watt | 55 Watt |
Ryzen 9 7840HX has an age advantage of 19 years, 1100% more physical cores and 2300% more threads, a 2500% more advanced lithography process, and 89.1% lower power consumption.
We couldn't decide between AMD Athlon 64 FX-55 and AMD Ryzen 9 7840HX. We've got no test results to judge.
Note that Athlon 64 FX-55 is a desktop processor while Ryzen 9 7840HX is a notebook one.
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