Core i5-8259U
Intel
PassMark
7,843
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 Core i5-8259U is manufactured by Intel. It was released in 5 April 2018 (7 years ago). It is based on the Coffee Lake-U (2018−2019) architecture. It features 4 cores and 8 threads. Base frequency is 2.3 GHz, with boost up to 3.8 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 28 Watt. Memory support: DDR4. Passmark benchmark score: 7,843 points. Launch price was $320.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. 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
FPS Benchmarks
Predicted performance for Core i5-8259U across popular games. Tested paired with RTX 4090 to isolate CPU performance.
Apex Legends
Baldur's Gate 3
Civilization VI
Counter-Strike 2
Destiny 2
Fortnite
Honkai: Star Rail
League of Legends
Naraka: Bladepoint
Once Human
Technical Analysis
Detailed breakdown of Core i5-8259U specifications and capabilities.
Processing Power
The Core i5-8259U is a 4-core / 8-thread processor based on the Coffee Lake-U (2018−2019) architecture, manufactured on a 14 nm process node. It reaches a maximum boost clock of 3.8 GHz from a base frequency of 2.3 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 6 MB (total) of L3 cache, plus 256K (per core) of L2 cache and 64K (per core) of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 7,843, placing it in the Entry Level performance tier as a Legacy generation product.
| Specification | Core i5-8259U |
|---|---|
| Cores / ThreadsPhysical/logical processing units | 4C / 8T |
| Max Boost ClockPeak single-core speed under boost | 3.8 GHz |
| Base ClockGuaranteed minimum operating frequency | 2.3 GHz |
| ArchitectureCPU microarchitecture design | Coffee Lake-U (2018−2019) |
| Process NodeFabrication technology — smaller = more efficient | 14 nm |
| L3 CacheShared cache — reduces memory latency for all cores | 6 MB (total) |
| L2 CachePer-core fast cache for frequently accessed data | 256K (per core) |
| L1 CacheUltra-fast per-core cache | 64K (per core) |
| Die SizePhysical silicon area of the processor | 126 mm2 |
| 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 | 7,843 |
Memory & Platform
The Core i5-8259U fits into the FCBGA1528 socket and supports PCIe 3.0. It supports DDR4 memory.
| Specification | Core i5-8259U |
|---|---|
| TypeDesktop or Laptop processor | Laptop |
| SeriesProduct family | Intel Core i5 |
| 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 (Uniprocessor) |
Power & Cooling
The Core i5-8259U has a rated TDP (Thermal Design Power) of 28 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed.
| Specification | Core i5-8259U |
|---|---|
| TDPThermal Design Power — heat output under sustained workload | 28 Watt |
| Max TemperatureMaximum safe junction temperature (Tjmax) | 100 °C |
Value Analysis
Performance ranking position: #1471 out of all indexed processors.
| Specification | Core i5-8259U |
|---|---|
| Launch PriceOriginal retail price at launch | $320 |
| Performance RankPosition in overall performance ranking | #1471 |
| Release DateLaunch date | 5 April 2018 (7 years ago) |
| Release Year | 2018 |
| DesignerArchitecture designer (e.g. Intel, AMD) | Intel |
| ManufacturerFabrication foundry (e.g. TSMC) | Intel |
Specifications Reference
Raw spec sheet for quick lookup. The analysis cards above explain what these fields mean in practice.
4 categories
General Information
8 specs
General Information
8 specs
| Type | Laptop |
| Series | Intel Core i5 |
| Designer | Intel |
| Launch Price | $320 |
| Manufacturer | Intel |
| Release Date | 5 April 2018 (7 years ago) |
| Architecture Codename | Coffee Lake-U (2018−2019) |
| Performance Ranking Position | 1471 |
Technical Specifications
16 specs
Technical Specifications
16 specs
| Cores | 4 |
| Threads | 8 |
| Bus Type | OPI |
| Die Size | 126 mm2 |
| L1 Cache | 64K (per core) |
| L2 Cache | 256K (per core) |
| L3 Cache | 6 MB (total) |
| Bus Speed | 4 GT/s |
| Multiplier | 23 |
| Max Frequency | 3.8 GHz |
| 64-Bit Support | + |
| Base Frequency | 2.3 GHz |
| Process Technology | 14 nm |
| Max Core Temperature | 100 °C |
| Windows 11 Compatible | + |
| Max Case Temperature (TCase) | 72 °C |
Compatibility
4 specs
Compatibility
4 specs
| Socket | FCBGA1528 |
| PCIe Generation | PCIe 3.0 |
| Power Consumption (TDP) | 28 Watt |
| Max Processors In Config | 1 (Uniprocessor) |
Memory
4 specs
Memory
4 specs
| RAM Types | DDR4 |
| Memory Channels | 2 |
| Memory Bandwidth | 38.397 GB/s |
| Max Memory Capacity | 32 GB |
Similar Performance
Processors with benchmark scores closest to the current hardware, grouped by manufacturer.
Intel (8)
AMD (8)
Our Recommendation for Core i5-8259U
Suggested pairings based on performance balance
Minimum (Avoid Bottleneck) (12)
Recommended (Balanced) (12)
High-End (Max Performance) (12)
Popular Comparisons
Compare Core i5-8259U with other popular CPUs
Compare Core i5-8259U
See how this CPU stacks up against similar alternatives
Better Alternatives (8)
Similar or Lower Performance (8)
