Intel Core i9 12900T vs AMD Ryzen 7 7840H
CPU Specs Compare
General Parameters
Release Date
Jan 2022
Jan 2023
Manufacturer
Intel
AMD
Type
Desktop
Laptop
Core Architecture
Alder Lake-S
Phoenix
Integrated Graphics
UHD Graphics 770
Radeon 780M
Generation
Core i9 (Alder Lake-S)
Ryzen 7 (Zen 4 (Phoenix))
Package
Manufacturing Process
10 nm
4 nm
Socket
Intel Socket 1700
AMD Socket FP8
Power Consumption
35 W
35 W
Peak Operating Temperature
72 °C
100 °C
Foundry
Intel
TSMC
Die Size
215 mm²
178 mm²
Package
FC-LGA16A
FP8, FP7, FP7r2
Transistor Count
-
25 billions
CPU Performance
Performance Cores
8
-
Performance Core Threads
16
-
Performance Core Base Frequency
1.4 GHz
3.8 GHz
Performance Core Turbo Frequency
4.9 GHz
5.1 GHz
Efficiency Cores
8
-
Efficiency Core Threads
8
-
Efficiency Core Base Frequency
1000 MHz
-
Efficiency Core Turbo Frequency
3.6 GHz
-
Total Core Count
16
8
Total Thread Count
24
16
Bus Frequency
100 MHz
100 MHz
Multiplier
14.0
38.0
L1 Cache
80 KB per core
64 K per core
L2 Cache
1.25 MB per core
1 MB per core
L3 Cache
30 MB shared
16 MB shared
Unlocked Multiplier
Yes
No
SMP
1
1
Memory Parameters
Memory Types
DDR4-3200, DDR5-4800
DDR5-5600
Max Memory Channels
2
2
Max Memory Bandwidth
76.8 GB/s
89.6 GB/s
ECC Memory Support
No
Yes
Max Memory Size
-
256 GB
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
-
GPU Max Dynamic Frequency
1550 MHz
2700 MHz
Execution Units
32
12
📊 Benchmark
Cinebench R23
1,865
-
Cinebench R23
22,804
-
Geekbench 6
2,362
2,625
Geekbench 6
12,384
11,813
Blender
153
-