Panther Lake (microprocessor)

Panther Lake
LaunchedJanuary 2026
Designed byIntel
Manufactured by
Fabrication process
Codename(s)
  • PTL
Platform(s)
  • Mobile

Branding
Brand name(s)Core Ultra
GenerationSeries 3
Socket(s)
  • FCBGA 2540

Instructions and architecture
Instructions setx86-64
Instructionsx86, IA-32, x86-64
Extensions
  • SSE4, AVX, AVX2, AVX-VNNI, AVX-IFMA
    AES-NI, SHA-NI, RDRAND, SM3, SM4
    VT-x, VT-d
P-core architectureCougar Cove (P-cores)
E-core architectureDarkmont (E-cores and LP E-cores)

Cores
Core countUp to 16 cores (high power, 4 P-cores, 8 E-cores, 4 LP-cores), or
8 cores (low power, 4 P-cores, 4 LP-cores)
P-core L0 cache48 KB data (per core)
P-core L1 cache256 KB (per core):
  • 64 KB instructions
  • 192 KB data
E-core L1 cache96 KB (per core):
  • 64 KB instructions
  • 32 KB data
P-core L2 cache2.5 MB (per core)
E-core L2 cache4 MB (per cluster)
P-core L3 cache3 MB (per core)

Graphics
Graphics architectureXe3-LPG (Battlemage)
Model(s)
  • Intel Graphics, Arc B370, Arc B390
Xe coresUp to 20 Xe Cores
Peak graphics clock2.5 GHz 
NPU
ArchitectureNPU 5
TOPSUp to 50 (int8)

Memory support
Type
Memory channels2 channels
Maximum capacityUp to 128 GB

I/O
PCIe supportPCIe 5.0
PCIe lanesLow power and Arc iGPU processors, 12 lanes:

H series processors, 20 lanes:

History
PredecessorLunar Lake
Arrow Lake
SuccessorNova Lake

Panther Lake is the codename for Core Ultra Series 3 mobile processors developed by Intel. The architecture was launched in January 2026 at CES 2026. It succeeds and extends Lunar Lake and is designed as a scalable mobile platform spanning a wider range of power and performance targets, from thin-and-light laptops to higher-performance mobile systems.