Xeon Bronze 3408U vs Pentium Gold G6405
Aggregate performance score
Xeon Bronze 3408U outperforms Pentium Gold G6405 by a whopping 135% based on our aggregate benchmark results.
Primary details
Comparing Pentium Gold G6405 and Xeon Bronze 3408U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1721 | 1075 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 29.04 |
| Market segment | Desktop processor | Server |
| Power efficiency | 4.36 | 4.75 |
| Architecture codename | Comet Lake-R (2021) | Sapphire Rapids (2023−2024) |
| Release date | 16 March 2021 (3 years ago) | 10 January 2023 (1 year ago) |
| Launch price (MSRP) | $64 | $425 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium Gold G6405 and Xeon Bronze 3408U 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) | 8 (Octa-Core) |
| Threads | 4 | 8 |
| Base clock speed | 4.1 GHz | 1.8 GHz |
| Boost clock speed | 4.1 GHz | 1.9 GHz |
| Bus rate | 8 GT/s | no data |
| L1 cache | 64 KB (per core) | 80K (per core) |
| L2 cache | 256 KB (per core) | 2 MB (per core) |
| L3 cache | 4 MB (shared) | 22.5 MB |
| Chip lithography | 14 nm | Intel 7 nm |
| Maximum case temperature (TCase) | 72 °C | 79 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Pentium Gold G6405 and Xeon Bronze 3408U 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 | 1200 | FCLGA4677 |
| Power consumption (TDP) | 15 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium Gold G6405 and Xeon Bronze 3408U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| TSX | + | + |
| Deep Learning Boost | - | + |
Security technologies
Pentium Gold G6405 and Xeon Bronze 3408U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no data | + |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium Gold G6405 and Xeon Bronze 3408U are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium Gold G6405 and Xeon Bronze 3408U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR5-4000 |
| Maximum memory size | no data | 4 TB |
| Max memory channels | no data | 8 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics 610 | no data |
Peripherals
Specifications and connection of peripherals supported by Pentium Gold G6405 and Xeon Bronze 3408U.
| PCIe version | 3.0 | 4.0 |
| PCI Express lanes | 16 | 80 |
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 | 2.67 | 6.28 |
| Recency | 16 March 2021 | 10 January 2023 |
| Physical cores | 2 | 8 |
| Threads | 4 | 8 |
| Power consumption (TDP) | 15 Watt | 125 Watt |
Pentium Gold G6405 has 733.3% lower power consumption.
Xeon Bronze 3408U, on the other hand, has a 135.2% higher aggregate performance score, an age advantage of 1 year, and 300% more physical cores and 100% more threads.
The Xeon Bronze 3408U is our recommended choice as it beats the Pentium Gold G6405 in performance tests.
Note that Pentium Gold G6405 is a desktop processor while Xeon Bronze 3408U is a server/workstation one.
Should you still have questions on choice between Pentium Gold G6405 and Xeon Bronze 3408U, ask them in Comments section, and we shall answer.
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