Pentium Gold 6405U vs Pentium 987
Primary details
Comparing Pentium 987 and Pentium Gold 6405U processor market type (desktop or notebook), architecture, sales start time and price.
Place in performance ranking | not rated | not rated |
Place by popularity | not in top-100 | not in top-100 |
Market segment | Laptop | Laptop |
Series | Intel Pentium | Intel Comet Lake |
Architecture codename | Sandy Bridge (2011−2013) | Comet Lake-U (2019−2020) |
Release date | 1 June 2012 (12 years ago) | 31 October 2019 (4 years ago) |
Launch price (MSRP) | $134 | $161 |
Detailed specifications
Pentium 987 and Pentium Gold 6405U 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 | 2 (Dual-core) | 2 (Dual-core) |
Threads | 2 | 4 |
Boost clock speed | 1.5 GHz | 2.4 GHz |
Bus support | 4 × 5 GT/s | no data |
L1 cache | 128 KB | 256 KB |
L2 cache | 512 KB | 1 MB |
L3 cache | 2 MB | 2 MB |
Chip lithography | 32 nm | 14 nm |
Die size | 131 mm2 | no data |
Maximum core temperature | 100 °C | 100 °C |
Number of transistors | 504 million | no data |
64 bit support | + | + |
Windows 11 compatibility | - | + |
Unlocked multiplier | No | No |
Compatibility
Information on Pentium 987 and Pentium Gold 6405U 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 | BGA1023 | FCBGA1528 |
Power consumption (TDP) | 17 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium 987 and Pentium Gold 6405U. You'll probably need this information if you require some particular technology.
AES-NI | no data | + |
FMA | + | no data |
Enhanced SpeedStep (EIST) | + | no data |
Hyper-Threading Technology | no data | + |
Thermal Monitoring | + | no data |
Security technologies
Pentium 987 and Pentium Gold 6405U technologies aimed at improving security, for example, by protecting against hacks.
EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium 987 and Pentium Gold 6405U are enumerated here.
AMD-V | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium 987 and Pentium Gold 6405U. Depending on the motherboard, higher memory frequencies may be supported.
Supported memory types | DDR3 | DDR4 |
Maximum memory size | 16 GB | no data |
Max memory channels | 2 | no data |
Maximum memory bandwidth | 21.335 GB/s | 37.5 GB/s |
ECC memory support | - | - |
Graphics specifications
General parameters of integrated GPUs, if any.
Integrated graphics card Compare | Intel HD Graphics (Sandy Bridge) | Intel UHD Graphics 610 |
Peripherals
Specifications and connection of peripherals supported by Pentium 987 and Pentium Gold 6405U.
PCI Express lanes | 16 | 12 |
Pros & cons summary
Recency | 1 June 2012 | 31 October 2019 |
Threads | 2 | 4 |
Chip lithography | 32 nm | 14 nm |
Power consumption (TDP) | 17 Watt | 15 Watt |
Pentium Gold 6405U has an age advantage of 7 years, 100% more threads, a 128.6% more advanced lithography process, and 13.3% lower power consumption.
We couldn't decide between Pentium 987 and Pentium Gold 6405U. We've got no test results to judge.
Should you still have questions on choice between Pentium 987 and Pentium Gold 6405U, ask them in Comments section, and we shall answer.
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