Ryzen 9 7940HS vs Phenom II X4 805
Aggregate performance score
Ryzen 9 7940HS outperforms Phenom II X4 805 by a whopping 1450% based on our aggregate benchmark results.
Primary details
Comparing Phenom II X4 805 and Ryzen 9 7940HS processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2203 | 263 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 4.93 | no data |
| Market segment | Desktop processor | Laptop |
| Architecture codename | Deneb (2009−2011) | Phoenix-HS (Zen 4) |
| Release date | February 2009 (15 years ago) | January 2023 (1 year ago) |
| Launch price (MSRP) | $174 | no data |
| Current price | $55 (0.3x MSRP) | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Phenom II X4 805 and Ryzen 9 7940HS 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) | 8 (Octa-Core) |
| Threads | 4 | 16 |
| Base clock speed | no data | 4 GHz |
| Boost clock speed | 2.5 GHz | 5.2 GHz |
| L1 cache | 128 KB (per core) | 64K (per core) |
| L2 cache | 512 KB (per core) | 1 MB (per core) |
| L3 cache | 4 MB (shared) | 16 MB (shared) |
| Chip lithography | 45 nm | 4 nm |
| Die size | 258 mm2 | 178 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 758 million | 25,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | No | No |
Compatibility
Information on Phenom II X4 805 and Ryzen 9 7940HS 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 | AM3 | FP8 |
| Power consumption (TDP) | 95 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X4 805 and Ryzen 9 7940HS. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | DDR5-5600/LPDDR5x-7500 RAM (incl. ECC), PCIe 4, Ryzen AI, 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 | no data | + |
| FMA | no data | + |
| AVX | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X4 805 and Ryzen 9 7940HS are enumerated here.
| AMD-V | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X4 805 and Ryzen 9 7940HS. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 780M |
Peripherals
Specifications and connection of peripherals supported by Phenom II X4 805 and Ryzen 9 7940HS.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
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 9 7940HS outperforms Phenom II X4 805 by 1450% 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 9 7940HS outperforms Phenom II X4 805 by 1454% in Passmark.
Pros & cons summary
| Performance score | 1.27 | 19.69 |
| Physical cores | 4 | 8 |
| Threads | 4 | 16 |
| Chip lithography | 45 nm | 4 nm |
| Power consumption (TDP) | 95 Watt | 35 Watt |
The Ryzen 9 7940HS is our recommended choice as it beats the Phenom II X4 805 in performance tests.
Note that Phenom II X4 805 is a desktop processor while Ryzen 9 7940HS is a notebook one.
Should you still have questions on choice between Phenom II X4 805 and Ryzen 9 7940HS, ask them in Comments section, and we shall answer.
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