
Pentium Gold 6405U
Intel
PassMark
1,320
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Overview
The Pentium Gold 6405U is manufactured by Intel. It was released in 31 October 2019 (6 years ago). It is based on the Comet Lake-U (2019−2020) architecture. It features 2 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 2 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 1,320 points. Launch price was $161.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Pentium Gold 6405U is positioned at rank #770 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium Gold 6405U
FPS Benchmarks
Predicted performance for Pentium Gold 6405U across popular games. Tested paired with RTX 4090 to isolate CPU performance.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant
Technical Analysis
Detailed breakdown of Pentium Gold 6405U specifications and capabilities.
Processing Power
The Pentium Gold 6405U is a 2-core / 4-thread processor based on the Comet Lake-U (2019−2020) architecture, manufactured on a 14 nm process node. It reaches a maximum boost clock of 2.4 GHz from a base frequency of 2.4 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 2 MB of L3 cache, plus 1 MB of L2 cache and 256 kB of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 1,320, placing it in the Entry Level performance tier as a Legacy generation product.
| Specification | Pentium Gold 6405U |
|---|---|
| Cores / ThreadsPhysical/logical processing units | 2C / 4T |
| Max Boost ClockPeak single-core speed under boost | 2.4 GHz |
| Base ClockGuaranteed minimum operating frequency | 2.4 GHz |
| ArchitectureCPU microarchitecture design | Comet Lake-U (2019−2020) |
| Process NodeFabrication technology — smaller = more efficient | 14 nm |
| L3 CacheShared cache — reduces memory latency for all cores | 2 MB |
| L2 CachePer-core fast cache for frequently accessed data | 1 MB |
| L1 CacheUltra-fast per-core cache | 256 kB |
| Bus SpeedData bus frequency | 4 GT/s |
| Max TemperatureMaximum safe operating temperature (Tjmax) | 100 °C |
| 64-bit Support | Yes |
| Windows 11 Compatible | Yes |
| PassMark ScoreOverall multi-threaded benchmark score | 1,320 |
Memory & Platform
The Pentium Gold 6405U fits into the FCBGA1528 socket and supports PCIe 3.0. It supports DDR4 memory.
| Specification | Pentium Gold 6405U |
|---|---|
| TypeDesktop or Laptop processor | Laptop |
| SeriesProduct family | Intel Comet Lake |
| SocketMotherboard socket required | FCBGA1528 |
| PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth | PCIe 3.0 |
| RAM TypeSupported memory standard | DDR4 |
| Max CPUs in ConfigMulti-socket support for servers | 1 |
Power & Cooling
The Pentium Gold 6405U has a rated TDP (Thermal Design Power) of 15 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed.
| Specification | Pentium Gold 6405U |
|---|---|
| TDPThermal Design Power — heat output under sustained workload | 15 Watt |
| Max TemperatureMaximum safe junction temperature (Tjmax) | 100 °C |
Value Analysis
It currently holds Rank #770 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #2327 out of all indexed processors.
| Specification | Pentium Gold 6405U |
|---|---|
| Launch PriceOriginal retail price at launch | $161 |
| Cost-Benefit RankPosition in overall value ranking | #770 |
| Performance RankPosition in overall performance ranking | #2327 |
| Release DateLaunch date | 31 October 2019 (6 years ago) |
| Release Year | 2019 |
| DesignerArchitecture designer (e.g. Intel, AMD) | Intel |
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