Pentium Gold G6405 vs Athlon 64 X2 TK-42
Aggregate performance score
Pentium Gold G6405 outperforms Athlon 64 X2 TK-42 by a whopping 642% based on our aggregate benchmark results.
Primary details
Comparing Athlon 64 X2 TK-42 and Pentium Gold G6405 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3049 | 1721 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | 2x AMD Athlon 64 | no data |
| Power efficiency | 1.70 | 4.36 |
| Architecture codename | Tyler (2007−2009) | Comet Lake-R (2021) |
| Release date | 1 November 2009 (15 years ago) | 16 March 2021 (3 years ago) |
| Launch price (MSRP) | no data | $64 |
Detailed specifications
Athlon 64 X2 TK-42 and Pentium Gold G6405 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 |
| Base clock speed | no data | 4.1 GHz |
| Boost clock speed | 1.6 GHz | 4.1 GHz |
| Bus rate | 1600 MHz | 8 GT/s |
| L1 cache | 0 MB | 64 KB (per core) |
| L2 cache | 1 MB | 256 KB (per core) |
| L3 cache | no data | 4 MB (shared) |
| Chip lithography | 65 nm | 14 nm |
| Maximum core temperature | 95 °C | no data |
| Maximum case temperature (TCase) | no data | 72 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Athlon 64 X2 TK-42 and Pentium Gold G6405 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 | no data | 1 |
| Socket | Socket S1 | 1200 |
| Power consumption (TDP) | 20 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon 64 X2 TK-42 and Pentium Gold G6405. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 86x Enhanced Virus Protection (EVP), MMX, PowerNow, SSE3,-64, Enhanced 3DNow | no data |
| AES-NI | - | + |
| AVX | - | + |
| PowerNow | + | - |
| VirusProtect | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
Security technologies
Athlon 64 X2 TK-42 and Pentium Gold G6405 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon 64 X2 TK-42 and Pentium Gold G6405 are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon 64 X2 TK-42 and Pentium Gold G6405. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4-2666 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel UHD Graphics 610 |
Peripherals
Specifications and connection of peripherals supported by Athlon 64 X2 TK-42 and Pentium Gold G6405.
| PCIe version | no data | 3.0 |
| 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 | 0.36 | 2.67 |
| Recency | 1 November 2009 | 16 March 2021 |
| Threads | 2 | 4 |
| Chip lithography | 65 nm | 14 nm |
| Power consumption (TDP) | 20 Watt | 15 Watt |
Pentium Gold G6405 has a 641.7% higher aggregate performance score, an age advantage of 11 years, 100% more threads, a 364.3% more advanced lithography process, and 33.3% lower power consumption.
The Pentium Gold G6405 is our recommended choice as it beats the Athlon 64 X2 TK-42 in performance tests.
Be aware that Athlon 64 X2 TK-42 is a notebook processor while Pentium Gold G6405 is a desktop one.
Should you still have questions on choice between Athlon 64 X2 TK-42 and Pentium Gold G6405, ask them in Comments section, and we shall answer.
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