Ryzen 7 7800X3D vs A9-9420
Aggregate performance score
Ryzen 7 7800X3D outperforms A9-9420 by a whopping 2186% based on our aggregate benchmark results.
Primary details
Comparing A9-9420 and Ryzen 7 7800X3D processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2397 | 214 |
| Place by popularity | not in top-100 | 19 |
| Cost-effectiveness evaluation | no data | 36.84 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Bristol Ridge | no data |
| Architecture codename | Stoney Ridge (2016−2019) | Raphael (Zen4) |
| Release date | 31 May 2016 (8 years ago) | 4 January 2023 (1 year ago) |
| Launch price (MSRP) | no data | $449 |
| Current price | $440 | $535 (1.2x MSRP) |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
A9-9420 and Ryzen 7 7800X3D 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) | 8 (Octa-Core) |
| Threads | 2 | 16 |
| Base clock speed | 3 GHz | 4.4 GHz |
| Boost clock speed | 3.6 GHz | 5 GHz |
| L1 cache | 160 KB | 64K (per core) |
| L2 cache | 1 MB (shared) | 1 MB (per core) |
| L3 cache | no data | 96 MB (shared) |
| Chip lithography | 28 nm | 5 nm |
| Die size | 125 mm2 | 71 mm2 |
| Maximum core temperature | 90 °C | 89 °C |
| Maximum case temperature (TCase) | 74 °C | 61 °C |
| Number of transistors | 1,200 million | 6,570 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | No | Yes |
Compatibility
Information on A9-9420 and Ryzen 7 7800X3D 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 | 1 |
| Socket | FT4 | AM5 |
| Power consumption (TDP) | 15 Watt | 120 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A9-9420 and Ryzen 7 7800X3D. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Single-Channel DDR4-2133, Virtualization, | 86x MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, AVX512, BMI1, BMI2, F16C, FMA3, AMD64, EVP, AMD-V, SMAP, SMEP, SMT SHA, XFR2, Precision Boost 2 |
| AES-NI | + | + |
| FMA | + | no data |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A9-9420 and Ryzen 7 7800X3D are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A9-9420 and Ryzen 7 7800X3D. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5-5200 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Radeon R5 | AMD Radeon Graphics (Ryzen 7000) |
Peripherals
Specifications and connection of peripherals supported by A9-9420 and Ryzen 7 7800X3D.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 8 | 24 |
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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Ryzen 7 7800X3D outperforms A9-9420 by 2186% based on our aggregate benchmark results.
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.
Benchmark coverage: 68%
Ryzen 7 7800X3D outperforms A9-9420 by 2191% in Passmark.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
Benchmark coverage: 42%
Ryzen 7 7800X3D outperforms A9-9420 by 736% in GeekBench 5 Single-Core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Benchmark coverage: 42%
Ryzen 7 7800X3D outperforms A9-9420 by 2929% in GeekBench 5 Multi-Core.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Benchmark coverage: 20%
Ryzen 7 7800X3D outperforms A9-9420 by 179% in Cinebench 10 32-bit single-core.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
Benchmark coverage: 19%
Ryzen 7 7800X3D outperforms A9-9420 by 973% in Cinebench 10 32-bit multi-core.
wPrime 32
wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.
Benchmark coverage: 18%
A9-9420 outperforms Ryzen 7 7800X3D by 773% in wPrime 32.
Cinebench 11.5 64-bit multi-core
Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.
Benchmark coverage: 17%
Ryzen 7 7800X3D outperforms A9-9420 by 1941% in Cinebench 11.5 64-bit multi-core.
Cinebench 15 64-bit multi-core
Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.
Benchmark coverage: 15%
Ryzen 7 7800X3D outperforms A9-9420 by 2048% in Cinebench 15 64-bit multi-core.
Cinebench 15 64-bit single-core
Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.
Benchmark coverage: 15%
Ryzen 7 7800X3D outperforms A9-9420 by 248% in Cinebench 15 64-bit single-core.
Cinebench 11.5 64-bit single-core
Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.
Benchmark coverage: 14%
Ryzen 7 7800X3D outperforms A9-9420 by 246% in Cinebench 11.5 64-bit single-core.
TrueCrypt AES
TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.
Benchmark coverage: 13%
Ryzen 7 7800X3D outperforms A9-9420 by 1291% in TrueCrypt AES.
Pros & cons summary
| Performance score | 0.97 | 22.17 |
| Recency | 31 May 2016 | 4 January 2023 |
| Physical cores | 2 | 8 |
| Threads | 2 | 16 |
| Chip lithography | 28 nm | 5 nm |
| Power consumption (TDP) | 15 Watt | 120 Watt |
The Ryzen 7 7800X3D is our recommended choice as it beats the A9-9420 in performance tests.
Be aware that A9-9420 is a notebook processor while Ryzen 7 7800X3D is a desktop one.
Should you still have questions on choice between A9-9420 and Ryzen 7 7800X3D, ask them in Comments section, and we shall answer.
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