Phenom II X3 P840 vs i7-8700B
Aggregate performance score
Core i7-8700B outperforms Phenom II X3 P840 by a whopping 811% based on our aggregate benchmark results.
Primary details
Comparing Core i7-8700B and Phenom II X3 P840 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 976 | 2600 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 5.61 | no data |
| Market segment | Desktop processor | Laptop |
| Series | Intel Core i7 | 3x AMD Phenom II |
| Power efficiency | 10.88 | 3.10 |
| Architecture codename | Coffee Lake (2017−2019) | Champlain (2010−2011) |
| Release date | 3 April 2018 (6 years ago) | 4 October 2010 (14 years ago) |
| Launch price (MSRP) | $303 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-8700B and Phenom II X3 P840 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 | 6 (Hexa-Core) | 3 (Tri-Core) |
| Threads | 12 | 3 |
| Base clock speed | 3.2 GHz | no data |
| Boost clock speed | 4.6 GHz | 1.9 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | 3600 MHz |
| Multiplier | 32 | no data |
| L1 cache | 64K (per core) | 384 KB |
| L2 cache | 256K (per core) | 1.5 MB |
| L3 cache | 12 MB (shared) | no data |
| Chip lithography | 14 nm | 45 nm |
| Die size | 154 mm2 | no data |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
Compatibility
Information on Core i7-8700B and Phenom II X3 P840 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) | no data |
| Socket | FCBGA1440 | S1 |
| Power consumption (TDP) | 65 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-8700B and Phenom II X3 P840. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Virtualization, AMD64, Advanced Virus Protection, SSE(1,2,3,4a) |
| AES-NI | + | - |
| AVX | + | - |
| VirusProtect | - | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| SIPP | + | - |
Security technologies
Core i7-8700B and Phenom II X3 P840 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Secure Key | + | no data |
| MPX | + | - |
| Identity Protection | + | - |
| SGX | Yes with Intel® ME | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-8700B and Phenom II X3 P840 are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-8700B and Phenom II X3 P840. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR3 |
| Maximum memory size | 64 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 42.671 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics 630 | no data |
| Max video memory | 64 GB | no data |
| Quick Sync Video | + | - |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.2 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i7-8700B and Phenom II X3 P840 integrated GPUs.
| Number of displays supported | 3 | no data |
Graphics image quality
Maximum display resolutions supported by Core i7-8700B and Phenom II X3 P840 integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096 x 2304@30Hz | no data |
| Max resolution over eDP | 4096 x 2304@60Hz | no data |
| Max resolution over DisplayPort | 4096 x 2304@60Hz | no data |
Graphics API support
APIs supported by Core i7-8700B and Phenom II X3 P840 integrated GPUs, sometimes API versions are included.
| DirectX | 12 | no data |
| OpenGL | 4.5 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-8700B and Phenom II X3 P840.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 16 | no data |
Pros & cons summary
| Performance score | 7.47 | 0.82 |
| Recency | 3 April 2018 | 4 October 2010 |
| Physical cores | 6 | 3 |
| Threads | 12 | 3 |
| Chip lithography | 14 nm | 45 nm |
| Power consumption (TDP) | 65 Watt | 25 Watt |
i7-8700B has a 811% higher aggregate performance score, an age advantage of 7 years, 100% more physical cores and 300% more threads, and a 221.4% more advanced lithography process.
Phenom II X3 P840, on the other hand, has 160% lower power consumption.
The Core i7-8700B is our recommended choice as it beats the Phenom II X3 P840 in performance tests.
Note that Core i7-8700B is a desktop processor while Phenom II X3 P840 is a notebook one.
Should you still have questions on choice between Core i7-8700B and Phenom II X3 P840, ask them in Comments section, and we shall answer.
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