Ryzen 9 7840HX vs Celeron 2957U
Primary details
Comparing Celeron 2957U and Ryzen 9 7840HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2850 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Celeron | AMD Dragon Range (Zen 4, Ryzen 7045) |
| Power efficiency | 3.39 | no data |
| Architecture codename | Haswell (2013−2015) | Dragon Range-HX (Zen 4) (2023−2024) |
| Release date | 1 January 2014 (10 years ago) | 17 January 2024 (less than a year ago) |
| Launch price (MSRP) | $107 | no data |
Detailed specifications
Celeron 2957U 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 | 1.4 GHz | 2.9 GHz |
| Boost clock speed | 1.4 GHz | 5.1 GHz |
| Bus rate | 5 GT/s | no data |
| L1 cache | 128 KB | 768 KB |
| L2 cache | 512 KB | 12 MB |
| L3 cache | 2 MB | 64 MB |
| Chip lithography | 22 nm | 5 nm |
| Maximum core temperature | 100 °C | 100 °C |
| Number of transistors | no data | 9900 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Celeron 2957U 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 | FCBGA1168 | FL1 |
| Power consumption (TDP) | 15 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron 2957U and Ryzen 9 7840HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | 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 | + | - |
| Smart Response | - | no data |
| GPIO | + | no data |
| Smart Connect | + | no data |
| FDI | - | no data |
| AMT | 9.5 | no data |
| Matrix Storage | - | no data |
| HD Audio | + | no data |
| RST | + | no data |
Security technologies
Celeron 2957U and Ryzen 9 7840HX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
| Secure Key | + | no data |
| OS Guard | - | no data |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron 2957U and Ryzen 9 7840HX are enumerated here.
| AMD-V | + | - |
| VT-d | - | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron 2957U and Ryzen 9 7840HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5 |
| Maximum memory size | 16 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 25.6 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel HD Graphics for 4th Generation Intel Processors | AMD Radeon 610M (400 - 2200 MHz) |
| Quick Sync Video | + | - |
| Clear Video | + | no data |
| Graphics max frequency | 1 GHz | no data |
Graphics interfaces
Available interfaces and connections of Celeron 2957U and Ryzen 9 7840HX integrated GPUs.
| Number of displays supported | 3 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
Peripherals
Specifications and connection of peripherals supported by Celeron 2957U and Ryzen 9 7840HX.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 10 | no data |
| PCI support | - | no data |
| USB revision | 3.0 | no data |
| Total number of SATA ports | 2 | no data |
| Max number of SATA 6 Gb/s Ports | 2 | no data |
| Integrated IDE | - | no data |
| Number of USB ports | 4 | no data |
| Integrated LAN | - | no data |
| UART | + | no data |
Pros & cons summary
| Integrated graphics card | 0.77 | 2.85 |
| Recency | 1 January 2014 | 17 January 2024 |
| Physical cores | 2 | 12 |
| Threads | 2 | 24 |
| Chip lithography | 22 nm | 5 nm |
| Power consumption (TDP) | 15 Watt | 55 Watt |
Celeron 2957U has 266.7% lower power consumption.
Ryzen 9 7840HX, on the other hand, has 270.1% faster integrated GPU, an age advantage of 10 years, 500% more physical cores and 1100% more threads, and a 340% more advanced lithography process.
We couldn't decide between Celeron 2957U and Ryzen 9 7840HX. We've got no test results to judge.
Should you still have questions on choice between Celeron 2957U and Ryzen 9 7840HX, ask them in Comments section, and we shall answer.
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