Phenom II X4 820 vs Ryzen 5 2400G
Aggregate performance score
Ryzen 5 2400G outperforms Phenom II X4 820 by a whopping 319% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 5 2400G and Phenom II X4 820 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1147 | 2254 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 5.78 | 2.10 |
| Market segment | Desktop processor | Desktop processor |
| Series | AMD Ryzen 5 | no data |
| Power efficiency | 8.00 | 1.31 |
| Architecture codename | Raven Ridge (2017−2018) | Deneb (2009−2011) |
| Release date | 8 January 2018 (6 years ago) | 1 September 2009 (15 years ago) |
| Launch price (MSRP) | $169 | $90 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Ryzen 5 2400G has 175% better value for money than Phenom II X4 820.
Detailed specifications
Ryzen 5 2400G and Phenom II X4 820 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) | 4 (Quad-Core) |
| Threads | 8 | 4 |
| Base clock speed | 3.6 GHz | 2.8 GHz |
| Boost clock speed | 3.6 GHz | 2.8 GHz |
| Multiplier | 36 | no data |
| L1 cache | 386 KB | 128 KB (per core) |
| L2 cache | 2 MB | 512 KB (per core) |
| L3 cache | 4 MB (shared) | 4 MB (shared) |
| Chip lithography | 14 nm | 45 nm |
| Die size | 209.78 mm2 | 258 mm2 |
| Number of transistors | 4950 Million | 758 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Ryzen 5 2400G and Phenom II X4 820 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 | AM4 | AM3 |
| Power consumption (TDP) | 65 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 5 2400G and Phenom II X4 820. You'll probably need this information if you require some particular technology.
| Instruction set extensions | XFR, FMA3, SSE 4.2, AVX2, SMT | no data |
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
| Precision Boost 2 | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 5 2400G and Phenom II X4 820 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 5 2400G and Phenom II X4 820. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | DDR3 |
| Maximum memory size | 64 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 46.933 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon RX Vega 11 | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Ryzen 5 2400G and Phenom II X4 820.
| PCIe version | 3.0 | 2.0 |
| PCI Express lanes | 12 | no data |
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.
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.
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.
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.
Pros & cons summary
| Performance score | 5.70 | 1.36 |
| Recency | 8 January 2018 | 1 September 2009 |
| Threads | 8 | 4 |
| Chip lithography | 14 nm | 45 nm |
| Power consumption (TDP) | 65 Watt | 95 Watt |
Ryzen 5 2400G has a 319.1% higher aggregate performance score, an age advantage of 8 years, 100% more threads, a 221.4% more advanced lithography process, and 46.2% lower power consumption.
The Ryzen 5 2400G is our recommended choice as it beats the Phenom II X4 820 in performance tests.
Should you still have questions on choice between Ryzen 5 2400G and Phenom II X4 820, ask them in Comments section, and we shall answer.
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