AMD Ryzen 7 7840U vs Intel Core i9 12900KF
CPU · Specs Compare
General Parameters
Release Date
May 2023
Oct 2021
Manufacturer
Amd
Intel
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 4 (Phoenix)
Alder Lake
Integrated Graphics
Radeon 780M
No
Processor Number
—
i9-12900KF
Package
Transistor Count
25 billions
—
Manufacturing Process
4 nm
10 nm
Socket
FP8
LGA-1700
Power Consumption
15-30 W
125 W
Peak Operating Temperature
100 °C
100°C
Max Turbo Power Consumption
—
241 W
CPU Performance
Performance Cores
8
8
Performance Core Threads
16
16
Performance Core Base Frequency
3.3 GHz
3.2 GHz
Performance Core Turbo Frequency
5.1 GHz
5.1 GHz
Total Core Count
8
16
Total Thread Count
16
24
Bus Frequency
100 MHz
100 MHz
Multiplier
33
32x
L1 Cache
64 K per core
64 K per core
L2 Cache
8 MB
14 MB shared
L3 Cache
16 MB
30 MB shared
Unlocked Multiplier
No
Yes
Efficiency Cores
—
8
Efficiency Core Threads
—
8
Efficiency Core Base Frequency
—
2.4 GHz
Efficiency Core Turbo Frequency
—
3.9 GHz
Memory Parameters
Memory Types
DDR5-5600, LPDDR5x-7500
DDR5-4800, DDR4-3200
Max Memory Size
256 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
89.6 GB/s
76.8 GB/s
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
—
GPU Base Frequency
800 MHz
—
GPU Max Dynamic Frequency
2700 MHz
—
Shader Units
768
—
Texture Units
48
—
Raster Operation Units
32
—
Execution Units
12
—
Power Consumption
15 W
—
Max Resolution
7680x4320 - 60 Hz
—
AI Accelerator
NPU
AMD Ryzen™ AI
—
Theoretical performance
10 TOPS
—
Miscellaneous
PCIe Version
4.0
5.0
PCIe Lanes
20
20
Benchmark
Cinebench R23
1,745
2,028
Cinebench R23
12,789
27,422
Geekbench 6
2,480
2,686
Geekbench 6
11,518
16,130
Blender
227
425
Geekbench 5
—
1,970
Geekbench 5
—
17,469
Passmark CPU
—
4,167
Passmark CPU
—
41,190
▲ Specs Compare
Data sourced from official specifications and benchmark tests.