Intel Core i9-11900KB vs Intel Core i9-12900F Full Specs

Summary

8 Cores 16 Threads 3.3GHz	16 Cores(8P+8E) 24 Threads(16P+8E) 2.4GHz
TDP 65W	TDP 65W
Bandwidth 51.2GB/s DDR4	Bandwidth 76.8GB/s DDR5·DDR4
iGPU UHD 32EU 1450MHz Gen 12	iGPU 0
Peak·FP32·FP16 1.49 TFLOPSFP16	Peak·FP32·FP16 -
Socket BGA 1787	Socket LGA 1700

Highlights

Geekbench 6 Single

Geekbench 6 Single Geekbench 6 Multi E-Core Boost Max Bandwidth iGPU Peak iGPU FP32 iGPU FP16 TDP

Core i9-11900KB2,250

x1

Core i9-12900F2,556

x1.14

Show Top Score

Core Config

8 Cores 8P -	16 Cores 8P 8E
16 Threads 16P -	24 Threads 16P 8E

Clocks

Base Clock 3.3GHz	Base Clock 2.4GHz
Boost Clock 4.9GHz	Boost Clock 5.1GHz
Overclocking Unlocked	Overclocking Locked

Cache

L1i 32KB P -	L1i 32KB P 64KB E
L1d 48KB P -	L1d 48KB P 32KB E
L2 1.25MB P -	L2 1.25MB P 4MB E shared
L3 24MB	L3 30MB

Memory

Type DDR4	Type DDR5·DDR4
Max Memory 128GB	Max Memory 128GB
ECC No	ECC No
Channels 2	Channels 2
Bus Width 128-bit	Bus Width 128-bit
Speed 3200MT/s	Speed 4800MT/s
Bandwidth 51.2GB/s	Bandwidth 76.8GB/s
Bandwidth Calculator Channels Transfer Rate3200MT/s Calculated Bandwidth 51.2GB/s	Bandwidth Calculator Channels Transfer Rate4800MT/s Calculated Bandwidth 76.8GB/s

Power & Thermals

TDP 65W	TDP 65W
cTDP-down 55W	cTDP-down -
Peak Power -	Peak Power 202W
Max Operating Temp 100°C Max	Max Operating Temp 100°C Max
Included Cooler -	Included Cooler 1

Chipset Bus

Bus Type DMI	Bus Type DMI
Bus Config 8 lanes	Bus Config 8 lanes
Bus Speed 8GT/s	Bus Speed 16GT/s
Bus Bandwidth 8GB/s	Bus Bandwidth 16GB/s

Expansion

PCIe PCIe 4.0 x20 39.4GB/sBandwidth	PCIe PCIe 5.0 x16 63GB/sBandwidth
-	PCIe Secondary PCIe 4.0 x4 7.9GB/sBandwidth

iGPU

iGPU UHD 32EU 1450MHz Gen 12	iGPU 0
Shaders 256	Shaders -
Boost Clock 1.45GHz	Boost Clock -
Peak·FP32·FP16 1.49 TFLOPSFP16	Peak·FP32·FP16 -

NPU

NPU Model GNA 2.0

NPU Model GNA 3.0

Chip

Manufacturer Intel	Manufacturer Intel
ISA x86-64	ISA x86-64
Architecture Tiger Lake	Architecture Alder Lake
Family Core 11th Gen	Family Core 12th Gen
Branding	Branding
Codename Tiger Lake-B Tiger Lake-8CVariant Willow CoveP-Core -	Codename Alder Lake-HX Alder Lake-8P-8EVariant Golden CoveP-Core GracemontE-Core
Market Segment Desktop	Market Segment Desktop
Release Date Jun 11, 2021	Release Date Jan 18, 2022

Fabrication

Foundry Intel	Foundry Intel
Fabrication Node 10nm SuperFin	Fabrication Node Intel 7
Die Size 190mm²	Die Size 202mm²
Transistor Count 12.3 Billion	Transistor Count 14.6 Billion
Transistor Density 65 MTr/mm²	Transistor Density 72 MTr/mm²

Images

No images available

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Used In

Desktops -

Desktops Aurora(R13, Late 2021)

Competitors

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IntelCore i9-12900F vs CPU IntelCore Ultra 7 265 IntelCore i9-12900F vs CPU IntelCore Ultra 7 265F IntelCore i9-12900F vs CPU IntelCore i7-14701TE Show 12 more