Pentium Gold 6405U vs Xeon E3-1275 v3
Primary details
Comparing Xeon E3-1275 v3 and Pentium Gold 6405U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1228 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.71 | no data |
| Market segment | Server | Laptop |
| Series | no data | Intel Comet Lake |
| Architecture codename | Haswell-WS (2013) | Comet Lake-U (2019−2020) |
| Release date | 2 June 2013 (11 years ago) | 31 October 2019 (4 years ago) |
| Launch price (MSRP) | $531 | $161 |
| Current price | $327 (0.6x MSRP) | $75 (0.5x MSRP) |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon E3-1275 v3 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 | 4 (Quad-Core) | 2 (Dual-core) |
| Threads | 8 | 4 |
| Base clock speed | 3.5 GHz | no data |
| Boost clock speed | 3.9 GHz | 2.4 GHz |
| L1 cache | 64 KB (per core) | 256 KB |
| L2 cache | 256 KB (per core) | 1 MB |
| L3 cache | 8192 KB (shared) | 2 MB |
| Chip lithography | 22 nm | 14 nm |
| Die size | 160 mm2 | no data |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 1,400 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | No | No |
Compatibility
Information on Xeon E3-1275 v3 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 | 1 |
| Socket | 1150 | FCBGA1528 |
| Power consumption (TDP) | 84 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E3-1275 v3 and Pentium Gold 6405U. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | no data |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Hyper-Threading Technology | no data | + |
Security technologies
Xeon E3-1275 v3 and Pentium Gold 6405U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E3-1275 v3 and Pentium Gold 6405U are enumerated here.
| AMD-V | no data | + |
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E3-1275 v3 and Pentium Gold 6405U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3, DDR4 | DDR4 |
| Maximum memory bandwidth | 25.6 GB/s | 37.5 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD P4600 | Intel UHD Graphics 610 |
Peripherals
Specifications and connection of peripherals supported by Xeon E3-1275 v3 and Pentium Gold 6405U.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 16 | 12 |
Pros & cons summary
| Recency | 2 June 2013 | 31 October 2019 |
| Physical cores | 4 | 2 |
| Threads | 8 | 4 |
| Cost | $531 | $161 |
| Chip lithography | 22 nm | 14 nm |
| Power consumption (TDP) | 84 Watt | 15 Watt |
Xeon E3-1275 v3 has 100% more physical cores and 100% more threads.
Pentium Gold 6405U, on the other hand, has an age advantage of 6 years, its recommended price lower by $370, a 57.1% more advanced lithography process, and 460% lower power consumption.
We couldn't decide between Xeon E3-1275 v3 and Pentium Gold 6405U. We've got no test results to judge.
Be aware that Xeon E3-1275 v3 is a server/workstation processor while Pentium Gold 6405U is a notebook one.
Should you still have questions on choice between Xeon E3-1275 v3 and Pentium Gold 6405U, ask them in Comments section, and we shall answer.
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