AMD Ryzen 9 7900X3D vs AMD Ryzen 7 7840U
CPU · Specs Compare
General Parameters
Release Date
Jan 2023
May 2023
Manufacturer
AMD
Amd
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 4 (Raphael)
Zen 4 (Phoenix)
Integrated Graphics
Radeon Graphics (Ryzen 7000)
Radeon 780M
Package
Transistor Count
13.1 billions
25 billions
Manufacturing Process
5 nm
4 nm
Socket
AM5
FP8
Power Consumption
120 W
15-30 W
Max Turbo Power Consumption
162 W
—
Peak Operating Temperature
89°C
100 °C
CPU Performance
Performance Cores
12
8
Performance Core Threads
24
16
Performance Core Base Frequency
4.4 GHz
3.3 GHz
Performance Core Turbo Frequency
5.6 GHz
5.1 GHz
Total Core Count
12
8
Total Thread Count
24
16
Bus Frequency
100 MHz
100 MHz
Multiplier
44x
33
L1 Cache
64 K per core
64 K per core
L2 Cache
1 MB per core
8 MB
L3 Cache
128 MB shared
16 MB
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR5-5200
DDR5-5600, LPDDR5x-7500
Max Memory Size
128 GB
256 GB
Max Memory Channels
2
2
Max Memory Bandwidth
83.2 GB/s
89.6 GB/s
ECC Memory Support
Yes
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
1500 MHz
800 MHz
GPU Max Dynamic Frequency
2200 MHz
2700 MHz
Shader Units
448
768
Texture Units
8
48
Raster Operation Units
4
32
Execution Units
2
12
Power Consumption
15 W
15 W
Max Resolution
—
7680x4320 - 60 Hz
Miscellaneous
PCIe Version
5.0
4.0
PCIe Lanes
28
20
AI Accelerator
NPU
—
AMD Ryzen™ AI
Theoretical performance
—
10 TOPS
Benchmark
Cinebench R23
2,039
1,745
Cinebench R23
27,084
12,789
Geekbench 6
2,971
2,480
Geekbench 6
18,105
11,518
Cinebench 2024
122
—
Cinebench 2024
1,596
—
Blender
481
227
Passmark CPU
4,119
—
Passmark CPU
50,486
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.