Pentium D 840 vs Ryzen 7 7840S
Primary details
Comparing Ryzen 7 7840S and Pentium D 840 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 430 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Phoenix (Zen 4, Ryzen 7040) | no data |
| Architecture codename | Phoenix-HS (Zen 4) (2023) | Smithfield (2005) |
| Release date | 5 January 2023 (1 year ago) | May 2005 (19 years ago) |
Detailed specifications
Ryzen 7 7840S and Pentium D 840 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 | 8 (Octa-Core) | 2 (Dual-core) |
| Threads | 16 | 2 |
| Base clock speed | 3.8 GHz | 3.2 GHz |
| Boost clock speed | 5.1 GHz | 3.2 GHz |
| L1 cache | 512 KB | 28 KB |
| L2 cache | 8 MB | 2 MB |
| L3 cache | 16 MB | 0 KB |
| Chip lithography | 4 nm | 90 nm |
| Die size | 178 mm2 | 206 mm2 |
| Maximum core temperature | 100 °C | 70 °C |
| Number of transistors | no data | 169 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| VID voltage range | no data | 1.2V-1.4V |
Compatibility
Information on Ryzen 7 7840S and Pentium D 840 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 | no data | 2 |
| Socket | FP7/FP7r2/FP8 | PLGA775 |
| Power consumption (TDP) | 35 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 7 7840S and Pentium D 840. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 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 | no data |
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Demand Based Switching | no data | - |
| PAE | no data | 32 Bit |
| FSB parity | no data | - |
| Status | no data | Discontinued |
Security technologies
Ryzen 7 7840S and Pentium D 840 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 7 7840S and Pentium D 840 are enumerated here.
| VT-d | no data | - |
| VT-x | no data | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 7 7840S and Pentium D 840. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR1, DDR2, DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 780M | no data |
Pros & cons summary
| Physical cores | 8 | 2 |
| Threads | 16 | 2 |
| Chip lithography | 4 nm | 90 nm |
| Power consumption (TDP) | 35 Watt | 130 Watt |
Ryzen 7 7840S has 300% more physical cores and 700% more threads, a 2150% more advanced lithography process, and 271.4% lower power consumption.
We couldn't decide between Ryzen 7 7840S and Pentium D 840. We've got no test results to judge.
Be aware that Ryzen 7 7840S is a notebook processor while Pentium D 840 is a desktop one.
Should you still have questions on choice between Ryzen 7 7840S and Pentium D 840, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
