Ryzen 9 7945HX vs Ryzen 7 2800H
Aggregate performance score
Ryzen 9 7945HX outperforms Ryzen 7 2800H by a whopping 572% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 7 2800H and Ryzen 9 7945HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1262 | 122 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Ryzen 7 | no data |
| Power efficiency | 32.25 | 59.12 |
| Designer | AMD | AMD |
| Architecture codename | Raven Ridge (Zen) (2018) | Dragon Range-HX (Zen 4) (2023−2024) |
| Release date | 30 May 2018 (6 years ago) | 4 January 2023 (2 years ago) |
Detailed specifications
Ryzen 7 2800H and Ryzen 9 7945HX 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) | 16 (Hexadeca-Core) |
| Threads | 8 | 32 |
| Base clock speed | 3.4 GHz | 2.5 GHz |
| Boost clock speed | 3.8 GHz | 5.4 GHz |
| Multiplier | 33 | no data |
| L1 cache | 128K (per core) | 64K (per core) |
| L2 cache | 512K (per core) | 1 MB (per core) |
| L3 cache | 4 MB (shared) | 64 MB (shared) |
| Chip lithography | 14 nm | CCD = 5 nm, I/O = 6 nm |
| Die size | 246 mm2 | 2x 71 mm2 |
| Maximum core temperature | 95 °C | 100 °C |
| Number of transistors | 4950 Million | 13,140 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Ryzen 7 2800H and Ryzen 9 7945HX 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 (Uniprocessor) | 1 |
| Socket | FP5 | FL1 |
| Power consumption (TDP) | 15 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 7 2800H and Ryzen 9 7945HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA | 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 | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 7 2800H and Ryzen 9 7945HX are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 7 2800H and Ryzen 9 7945HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5 |
| Maximum memory size | 32 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 51.196 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon RX Vega 11 ( - 1300 MHz) | AMD Radeon 610M (400 - 2200 MHz) |
Peripherals
Specifications and connection of peripherals supported by Ryzen 7 2800H and Ryzen 9 7945HX.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 12 | 28 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 5.08 | 34.14 |
| Integrated graphics card | 4.72 | 2.49 |
| Recency | 30 May 2018 | 4 January 2023 |
| Physical cores | 4 | 16 |
| Threads | 8 | 32 |
| Power consumption (TDP) | 15 Watt | 55 Watt |
Ryzen 7 2800H has 89.6% faster integrated GPU, and 266.7% lower power consumption.
Ryzen 9 7945HX, on the other hand, has a 572% higher aggregate performance score, an age advantage of 4 years, and 300% more physical cores and 300% more threads.
The AMD Ryzen 9 7945HX is our recommended choice as it beats the AMD Ryzen 7 2800H in performance tests.
Other comparisons
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