Intel Core i9 12900K vs AMD Ryzen 7 8840U
CPU · Specs Compare
General Parameters
Release Date
Oct 2021
Dec 2023
Manufacturer
Intel
AMD
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Alder Lake
Zen 4 (Hawk Point)
Processor Number
i9-12900K
—
Integrated Graphics
UHD Graphics 770
Radeon 780M
Generation
—
Ryzen 7 (Zen 4 (Hawk Point))
Package
Manufacturing Process
10 nm
4 nm
Socket
LGA-1700
FP8
Power Consumption
125 W
15-30 W
Peak Operating Temperature
100°C
100°C
Transistor Count
—
25 billions
Foundry
—
TSMC
Die Size
—
178 mm²
Package
—
FP8, FP7, FP7r2
CPU Performance
Performance Cores
8
8
Performance Core Threads
16
16
Performance Core Base Frequency
3,2 GHz
3.3 GHz
Performance Core Turbo Frequency
5.1 GHz
5.1 GHz
Efficiency Cores
8
—
Efficiency Core Threads
8
—
Efficiency Core Base Frequency
2.4 GHz
—
Efficiency Core Turbo Frequency
3.9 GHz
—
Total Core Count
16
8
Total Thread Count
24
16
Bus Frequency
100 MHz
100 MHz
Multiplier
32x
33x
L1 Cache
64 K per core
64 K per core
L2 Cache
14 MB shared
1 MB per core
L3 Cache
30 MB shared
16 MB shared
Unlocked Multiplier
Yes
No
SMP
—
1
Memory Parameters
Memory Types
DDR5-4800, DDR4-3200
DDR5-5600, LPDDR5x-7500
Max Memory Size
128 GB
256 GB
Max Memory Channels
2
2
Max Memory Bandwidth
76.8 GB/s
89.6 GB/s
ECC Memory Support
Yes
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
1500 MHz
GPU Max Dynamic Frequency
1550 MHz
2700 MHz
Shader Units
256
768
Texture Units
16
48
Raster Operation Units
8
32
Execution Units
32
12
Power Consumption
15 W
15 W
Max Resolution
—
7680x4320 - 60 Hz
Miscellaneous
PCIe Version
5.0
4.0
PCIe Lanes
20
20
Benchmark
Cinebench R23
2,028
1,780
Cinebench R23
27,422
12,815
Geekbench 6
2,631
2,468
Geekbench 6
17,004
11,498
Blender
422
171
▲ Specs Compare
Data sourced from official specifications and benchmark tests.