Pentium 987 vs i7-2715QE
Aggregate performance score
Core i7-2715QE outperforms Pentium 987 by a whopping 395% based on our aggregate benchmark results.
Primary details
Comparing Core i7-2715QE and Pentium 987 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1906 | 2976 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core i7 | Intel Pentium |
| Power efficiency | 4.27 | 2.28 |
| Architecture codename | Sandy Bridge (2011−2013) | Sandy Bridge (2011−2013) |
| Release date | 3 January 2011 (13 years ago) | 1 February 2013 (11 years ago) |
| Launch price (MSRP) | $378 | $134 |
Detailed specifications
Core i7-2715QE and Pentium 987 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) | 2 (Dual-core) |
| Threads | 8 | 2 |
| Base clock speed | 2.1 GHz | 1.5 GHz |
| Boost clock speed | 3 GHz | 1.5 GHz |
| Bus type | DMI 2.0 | DMI 2.0 |
| Bus rate | 4 × 5 GT/s | 4 × 5 GT/s |
| Multiplier | 21 | 15 |
| L1 cache | 64K (per core) | 64K (per core) |
| L2 cache | 256K (per core) | 256K (per core) |
| L3 cache | 6 MB (shared) | 2 MB (shared) |
| Chip lithography | 32 nm | 32 nm |
| Die size | 216 mm2 | 131 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 1,160 million | 504 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core i7-2715QE and Pentium 987 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 (Uniprocessor) |
| Socket | Intel BGA1023 | FCBGA1023 |
| Power consumption (TDP) | 45 Watt | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-2715QE and Pentium 987. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | + | - |
| FMA | + | + |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| My WiFi | no data | - |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Demand Based Switching | no data | - |
| FDI | no data | + |
| Fast Memory Access | no data | + |
Security technologies
Core i7-2715QE and Pentium 987 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | - |
| EDB | no data | + |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-2715QE and Pentium 987 are enumerated here.
| VT-d | + | - |
| VT-x | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-2715QE and Pentium 987. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | unknown Dual-channel | DDR3 |
| Maximum memory size | 16 GB | 16.38 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 25.598 GB/s | 21.335 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel HD Graphics 3000 | Intel HD Graphics for 2nd Generation Intel Processors |
| Graphics max frequency | no data | 1 GHz |
Graphics interfaces
Available interfaces and connections of Core i7-2715QE and Pentium 987 integrated GPUs.
| Number of displays supported | no data | 2 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| SDVO | no data | + |
| CRT | no data | + |
Peripherals
Specifications and connection of peripherals supported by Core i7-2715QE and Pentium 987.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 16 |
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.
Pros & cons summary
| Performance score | 2.03 | 0.41 |
| Integrated graphics card | 0.66 | 0.77 |
| Recency | 3 January 2011 | 1 February 2013 |
| Physical cores | 4 | 2 |
| Threads | 8 | 2 |
| Power consumption (TDP) | 45 Watt | 17 Watt |
i7-2715QE has a 395.1% higher aggregate performance score, and 100% more physical cores and 300% more threads.
Pentium 987, on the other hand, has 16.7% faster integrated GPU, an age advantage of 2 years, and 164.7% lower power consumption.
The Core i7-2715QE is our recommended choice as it beats the Pentium 987 in performance tests.
Should you still have questions on choice between Core i7-2715QE and Pentium 987, ask them in Comments section, and we shall answer.
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