Intel Processors Naming Scheme
Core 2 Duo
The Core 2 Duo CPUs have a 5-digit alphanumeric naming scheme
| 1 - Cores | 2 - Performance | 3 - SKU | 4 - Features | 5 - Platform |
|---|---|---|---|---|
| E | 8 | 6 | 0 | 0 |
Identification
1. Number of Cores (E8600):
- E - Dual Core
2. Performance Segment (E8600):
- 4 - Low end Core 2 models
- 6 - Mainstream CPUs
- 7 - Mainstream CPUs (45nm)
- 8 - High-end CPUs (45nm)
3. SKU (E8600):
- This digit is higher for better performing processors
4. Extra/Removed Features (E8600):
- 0 - None
- 2 - Larger L2 cache
- 4 - Increased FSB speed
- 5 - Increased FSB speed
- 9 - Lacks Virtualization Support
5. Platform Type (E8600):
- 0 - Desktop
- 5 - Workstation
Core 2 Quad and Extreme
The Core 2 Quad and Core 2 Extreme CPUs, have a 6-digit alphanumeric naming scheme.
| 1 - Cores | 2 - Performance | 3 - SKU | 4 - Features | 5 - Platform |
|---|---|---|---|---|
| QX | 9 | 6 | 5 | 0 |
Identification
1. Number of Cores (QX9650):
- Q - Quad Core
- QX - Quad Core Extreme
- X - Dual Core Extreme
2. Performance Segment (QX9650):
- 6 - Mid-class CPUs
- 8 - Mid-class CPUs (45nm)
- 9 - High-end CPUs (45nm)
3. SKU (QX9650):
- This digit is higher for better performing processors
4+5. Extra/Removed Features (QX9650):
- 00 - None
- 05 - VT-d and TXT technologies
- 50 - Larger L2 cache, support for VT-d and TXT technologies (Q processors), Higher FSB or larger L2 cache (QX processors)
- 70 - Increased L2 cache and FSB
- 75 - Increased L2 cache and FSB, workstation platform
6. Power Consumption:
- Blank - Standard Power
- S - Reduced Power
Core i3, Core i5, Core i7 and Core i9
First Generation:
First Generation Core i CPUs use a 4-digit alphanumeric naming scheme.
| 1 - Performance | 2+3 - SKU | 3 - Features |
|---|---|---|
| 8 | 60 | S |
Identification
1. Performance Segment (860S):
- 5 - Affordable mid-class dual-core CPUs
- 6 - Mid-class dual-core CPUs
- 7 - Mid-class quad-core CPUs
- 8 - Performance quad-core CPUs
- 9 - High-performance / Extreme CPUs
2+3. SKU (860S):
- This 2-digit number is usually higher for processors with higher clock speed or better features.
3. Additional Features:
- Blank - No extra features
- K - Unlocked core multiplies
- S - Energy-efficient (82W)
- X - Extreme Edition
Second/Third Generation:
Second/Third Generation Core i CPUs use a 5-digit alphanumeric naming scheme.
| 1 - Generation | 2 - Performance | 3+4 - SKU | 5 - Features |
|---|---|---|---|
| 3 | 9 | 70 | X |
Identification
1. Generation (i7-3970X):
- 2 - 2nd Generation (Sandy Bridge)
- 3 - 3rd Generation (Ivy Bridge and Sandy Bridge-E)
2. Performance Segment (i7-3970X):
- 1 - Affordable mid-class dual-core processors
- 2 - Affordable mid-class dual-core processors
- 3 - Mid-class quad-core CPUs
- 4 - Mid-class quad-core CPUs
- 5 - Performance quad-core CPUs
- 6 - High-performance quad-core microprocessors
- 7 - High-performance quad-core microprocessors
- 8 - Extreme performance
- 9 - Extreme performance / Top of the line
3+4. SKU (i7-3970X):
- This 2-digit number is usually higher for processors with higher clock speed or better features.
5. Extra Features
- Blank - No extra features
- C - Embedded model for communications market
- K - Unlocked clock multiplier
- P - Disabled on-chip GPU
- S - Energy-efficient version (65 Watt)
- T - Low-power version (35 Watt or 45 Watt)
- X - Extreme Edition
Fourth Generation and Newer:
Fourth Generation and newer Core i CPUs use a 5-digit alphanumeric naming scheme.
| 1 - Generation | 2 - Performance | 3+4 - SKU | 5 - Features |
|---|---|---|---|
| 7 | 9 | 80 | XE |
Identification:
1. Generation (i9-7980XE):
- 4 - 4th Generation (Haswell or Ivy Bridge-E)
- 5 - 5th Generation (Broadwell or Haswell-E)
- 6 - 6th Generation (Skylake or Broadwell-E)
- 7 - 7th Generation (Kaby Lake or Skylake-X)
- 8 - 8th Generation (Coffee Lake, Kaby Lake-R or Kaby Lake-G)
- 9 - 9th Generation (Coffee Lake or Skylake-X)
- 10 - 10th Generation (Comet Lake or Cascade Lake-X)
- 11 - 11th Generation (Rocket Lake)
- 12 - 12th Generation (Alder Lake)
2. Performance Segment (i9-7980XE):
- 1 - Affordable mid-class dual-core and quad-core processors
- 3 - Affordable mid-class dual-core and quad-core processors
- 4 - Mid-class quad-core and six-core CPUs
- 5 - Mid-class quad-core and six-core CPUs
- 6 - Performance quad- and six-core CPUs
- 7 - High-performance quad- and six-core processors
- 8 - Extreme performance
- 9 - Extreme performance / Top of the line
3+4. SKU (i7-7980XE):
- This 2-digit number is usually higher for processors with higher clock speed or better features.
5. Extra features
Blank - No extra features
- C - Iris Pro graphics, socketable version; On Broadwell eDRAM on the CPU Package
- F - Disabled on-chip GPU
- K - Unlocked clock multiplier
- KF - Unlocked clock multiplier / Disabled on-chip GPU
- R - Iris Pro graphics, BGA version
- S - Energy-efficient version (65 Watt)
- T - Low-power version (35 Watt or 45 Watt)
- TE - Low-power version for embedded market (35 Watt)
- X - Unlocked clock multiplier
- XE - Unlocked clock multiplier / Extreme performance
Mobile Suffixes
| Suffix | Meaning |
|---|---|
| G1-G7 | Embedded |
| E | Embedded |
| H | High Performance |
| HK | High Performance, Unlocked |
| HQ | High Performance, Quad Core |
| U | Power Efficient |
| Y | Extremely Low Power |
Sources
https://www.intel.com/content/www/us/en/processors/processor-numbers.html
https://www.cpu-world.com/info/id_model/Intel-desktop-conventions.html