CPUs

Intel Core i9-12900KS vs AMD Ryzen 9 9900X3D Full Specs

16 Cores(8P+8E)
24 Threads(16P+8E)
3.4GHz
12 Cores
24 Threads
4.4GHz
TDP
150W
TDP
120W
Bandwidth
76.8GB/s
·
Bandwidth
89.6GB/s
DDR5
iGPU
iGPU
··
1.59 TFLOPSFP16
··
1.13 TFLOPSFP16
Socket
Socket

Core i9-12900KSCore i9-12900KS2,801
x1
Ryzen 9 9900X3DRyzen 9 9900X3D3,421
x1.22

16 Cores
8P
8E
12 Cores
12P
-
24 Threads
16P
8E
24 Threads
24P
-

Base Clock
3.4GHz
Base Clock
4.4GHz
Boost Clock
5.5GHz
Boost Clock
5.5GHz
Overclocking
Unlocked
Overclocking
Unlocked

L1i
32KB P
64KB E
L1i
32KB P
-
L1d
48KB P
32KB E
L1d
48KB P
-
L2
1.25MB P
4MB E shared
L2
1MB P
-
L3
30MB
L3
128MB(V-Cache)

Type
·
Type
DDR5
Max Memory
128GB
Max Memory
192GB
ECC
No
ECC
Yes
Channels
2
Channels
2
Bus Width
128-bit
Bus Width
128-bit
Speed
4800MT/s
Speed
5600MT/s
Bandwidth
76.8GB/s
Bandwidth
89.6GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
76.8GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
89.6GB/s

TDP
150W
TDP
120W
Peak Power
241W
Peak Power
-
Max Operating Temp
90°C Max
Max Operating Temp
95°C Max
Included Cooler
0
Included Cooler
0

Bus Type
DMI
Bus Type
PCIe
Bus Config
8 lanes
Bus Config
8 lanes
Bus Speed
16GT/s
Bus Speed
32GT/s
Bus Bandwidth
16GB/s
Bus Bandwidth
32GB/s

PCIe
PCIe 5.0 x16
63GB/sBandwidth
PCIe
PCIe 5.0 x24
94.5GB/sBandwidth
PCIe Secondary
PCIe 4.0 x4
7.9GB/sBandwidth
-

iGPU
iGPU
Shaders
256
Shaders
128
Boost Clock
1.55GHz
Boost Clock
2.2GHz
··
1.59 TFLOPSFP16
··
1.13 TFLOPSFP16

NPU Model
GNA 3.0
NPU Model
-

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Core i9 2020 branding
Branding
Ryzen 9 2017 branding
Codename
Alder Lake-HX
-
Alder Lake-8P-8EVariant
Golden CoveP-Core
GracemontE-Core
Codename
Granite Ridge
EldoraDie
Granite Ridge 2CCD 3DVariant
-
-
Market Segment
Desktop
Market Segment
Desktop
Release Date
Apr 5, 2022
Release Date
Jan 6, 2025

Foundry
Intel
Foundry
TSMC
Other Foundries
-
Other Foundries
TSMCIO
Fabrication Node
Intel 7
-
Fabrication Node
N4X
N6IO
Die Size
202mm²
-
Die Size
141mm²
122mm²IO
Transistor Count
14.6 Billion
-
Transistor Count
16.6 Billion
3.4 BillionIO
Transistor Density
72 MTr/mm²
-
Transistor Density
118 MTr/mm²
28 MTr/mm²IO

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