Some links on this page are affiliate links: if you buy through them we may earn a commission, at no extra cost to you.
A November 2017 leak offered an early look at Intel’s expanding 8th-generation Coffee Lake desktop lineup and model names that would become part of its 9th-generation 9000 series. It was not an official Intel announcement or a final catalog: the names were useful clues, but the database entries did not guarantee that every listed processor would reach stores. In retrospect, the broad forecast was right—Intel released a Coffee Lake Refresh desktop generation, including eight-core mainstream chips—but the final lineup and motherboard support were more nuanced than the leak alone suggested.
What the 2017 leak showed
AnandTech reported the leak on November 24, 2017, drawing on indirect evidence such as software and database entries. Later reporting on Intel material-declaration records added a wider range of Coffee Lake model identifiers. Platform documentation also offered clues about chipsets and future compatibility. None of that amounted to Intel publicly confirming a complete product list or final specifications.
That distinction matters. A model identifier in a database can indicate that a product was being considered or prepared, but it does not establish its final core count, clocks, price, release date, or retail availability. AnandTech’s account of the later Coffee Lake database entries cautioned that some could be preliminary or never ship.
The Tool Desk
Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →The 8th-generation Coffee Lake lineup
The central 8th-generation desktop change was more cores in Intel’s mainstream Core range: Core i5 and Core i7 models moved from four cores to six. The initial desktop products included these launched processors:
#1 Best Overall
- 8 Cores /16 Threads
- Up to 5 GHz
- Compatible with Intel 300 Series chipset based motherboards
- Bios update may be required for motherboard compatibility
- Supports Intel Optane Memory
| Processor | Cores / threads | Base / max turbo | Cache | TDP | Launch-era recommended price |
|---|---|---|---|---|---|
| Core i7-8700K | 6 / 12 | 3.7 / 4.7 GHz | 12 MB | 95 W | $359 |
| Core i7-8700 | 6 / 12 | 3.2 / 4.6 GHz | 12 MB | 65 W | $303 |
| Core i5-8600K | 6 / 6 | 3.6 / 4.3 GHz | 9 MB | 95 W | $257 |
| Core i5-8400 | 6 / 6 | 2.8 / 4.0 GHz | 9 MB | 65 W | $182 |
| Core i3-8350K | 4 / 4 | 4.0 GHz / no Turbo Boost | 8 MB | 91 W | $168 |
| Core i3-8100 | 4 / 4 | 3.6 GHz / no Turbo Boost | 6 MB | 65 W | $117 |
These specifications and recommended prices are historical launch-era figures, not current used-market values. See AnandTech’s contemporary Coffee Lake coverage for the launch context.
The broader preliminary list went well beyond those first retail chips. It included additional Core i7 and i5 variants, quad-core Core i3 models, Pentium Gold processors with two cores and four threads, and two-core/two-thread Celerons. Some identifiers carried a “T” suffix, generally associated with lower-power desktop variants; some “B” entries pointed toward business or OEM-oriented products. The database material also included examples such as Core i7-8700T and i7-8670, Core i5-8650K and i5-8400T, Core i3-8300T and i3-8100T, Pentium Gold G5400, and Celeron G4900.
Rank #2
- Intel Core i9 9900K - LGA 1151 - 3.6GHz (Turbo 5GHz) - 16MB Cache - 9th Generation Coffee Lake - BX80684I99900K
Those names should not be read as proof that every SKU appeared in normal retail channels. The lists were broad evidence of a planned product family, not a dependable shopping catalog. Many entries lacked confirmed specifications, and an OEM-focused model could have limited availability even if it was produced.
The early 9th-generation names—and what Intel eventually released
The leak and associated reporting exposed early 9000-series identifiers, including Core i5-9600K, i5-9600, i5-9500, i5-9400 and i5-9400T, as well as Core i3-9300, i3-9300T, i3-9100, i3-9100T, i3-9000 and i3-9000T. These were preliminary names, not a complete specification sheet. An early model-name report is one source for those identifiers.
Intel later launched a 9th-generation mainstream desktop family in the 9000 series. Its better-known processors included the Core i9-9900K, Core i7-9700K and Core i5-9600K, alongside models such as the i5-9600, i5-9500 and i5-9400. Intel subsequently added variants including F and KF models without integrated graphics, plus the limited-edition Core i9-9900KS. Those later products should not be retroactively treated as though all their details were present in the 2017 leak.
The most important change was not just higher clock speeds. The Core i9-9900K brought eight cores and 16 threads to the mainstream desktop range; the Core i7-9700K had eight cores but no Hyper-Threading. That changed Intel’s product segmentation compared with the 8th-generation desktop stack. The size of any performance gain depends on the specific processors, application, power limits, cooling and firmware; a single percentage would not describe every workload.
Rank #4
- 3.7GHz Operating Frequency, LGA1151 Socket
- Coffee Lake Series
- Intel Boxed Desktop CPU
- Core i3-8300 with 8MB cache
- 4 core / 4 threads
Was Coffee Lake Refresh a new architecture?
It was new as a product generation, but evolutionary as a design. “Coffee Lake Refresh” is a practical description of the 9th-generation mainstream desktop family: it continued the Coffee Lake platform era and Intel’s long-running 14-nanometer desktop lineage rather than marking a clean-sheet architecture or a major process-node transition. The eight-core chips were a meaningful expansion, even though the underlying platform and manufacturing story were familiar.
Some contemporary platform documents also mentioned mobile chipsets and Cannon Lake-related products. Those references concerned separate platform discussions; they should not be conflated with the mainstream desktop Coffee Lake Refresh family. Intel chipset documentation surfaced clues about Z390 and other platforms, but those clues did not reveal a full set of CPU specifications. See the contemporaneous Z390 and chipset report.
Best Value
- 8 Cores / 16 Threads
- 3.60 GHz up to 5.00 GHz / 16 MB Cache
- Compatible only with Motherboards based on Intel 300 Series Chipsets
- Intel Optane Memory Supported
- Intel UHD Graphics 630
Forecast versus outcome
| What the leak suggested | What happened later | How to read it |
|---|---|---|
| A broad 8th-generation Coffee Lake desktop stack | Coffee Lake expanded across Core i7, i5 and i3, Pentium Gold and Celeron tiers. | Broadly accurate; not every listed identifier is confirmed as a retail release. |
| 9000-series 9th-generation model names | Intel launched mainstream desktop 9000-series processors. | Accurate in direction; the early names were not a final lineup or full specification sheet. |
| A Coffee Lake Refresh desktop generation | The 9th-generation desktop family retained the broad Coffee Lake platform and 14-nanometer lineage. | A fair description of an evolutionary generation, with a significant eight-core expansion at the top end. |
| Every database-listed SKU would ship | Database presence alone does not establish retail shipment. | Unproven; treat preliminary entries as evidence of planning, not a guarantee. |
| Z390 as the new platform association | Many existing 300-series boards later gained support through BIOS updates. | Z390 was not the only possible platform for a 9th-generation CPU. |
Could an existing motherboard run a 9th-generation processor?
Often, yes, if it was an appropriate Intel 300-series board and its manufacturer supplied a compatible BIOS. Z370, H370, B360 and H310 boards received support for 9000-series processors in some cases, but “300-series compatible” does not mean every board supports every CPU. GIGABYTE, for example, announced 9th-generation support across 58 boards in those chipset families; that demonstrates broad support, not universal compatibility. Its announcement was covered by AnandTech.
Before upgrading, check the exact motherboard model and revision, its CPU support list, the minimum BIOS version, and whether the board can be updated with the processor currently installed. If the new CPU is fitted before an old BIOS is updated, the system may not boot. Some boards can update firmware without a working CPU through a feature such as USB BIOS Flashback; others may require a compatible older processor or service assistance.
Compatibility is not the same as suitability. A low-end board that lists a high-power Core i9 may be a poor choice for sustained heavy workloads if its power delivery and cooling are limited. Also check cooling requirements and memory settings separately. Older 100- and 200-series boards that also use the LGA1151 name should not be assumed compatible with Coffee Lake processors; the socket name alone is not enough to establish support.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
What the leak means for an 8th- versus 9th-generation system
For a used-system buyer or owner, the processor name is only one part of the decision. An 8th-generation system may make sense when it is substantially cheaper, a compatible board is already owned, and six cores meet the workload. A 9th-generation upgrade is more compelling when the extra cores and threads of a top-end part help with rendering, compilation, streaming alongside gaming, or other parallel work—and when the price premium is reasonable.
- Verify the exact CPU and motherboard support list rather than relying on the chipset label alone.
- Check BIOS version before removing a working CPU, and confirm how the board can be updated.
- For a high-end processor, consider the board’s power delivery and cooling, not just whether it boots.
- Confirm whether integrated graphics are needed: F and KF processors do not include them.
- Compare the total cost of an older CPU and board with a newer platform; historical launch prices are not current value benchmarks.
The November 2017 list was an informative early preview, not a final Intel catalog. It got the broad arc right—the 8th-generation Coffee Lake expansion and the arrival of a 9000-series Coffee Lake Refresh—but model names and database records alone could not tell buyers which products would ship, what their final specifications would be, or which motherboard BIOS they would need.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
