AMD Ryzen 7 7840U vs AMD Ryzen 7 4700G
CPU · Specs Compare
General Parameters
Release Date
May 2023
Jul 2020
Manufacturer
Amd
AMD
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 4 (Phoenix)
Zen 2
Integrated Graphics
Radeon 780M
Radeon Vega 8
Package
Transistor Count
25 billions
4.9 billions
Manufacturing Process
4 nm
7 nm
Socket
FP8
AM4
Power Consumption
15-30 W
45-65 W
Peak Operating Temperature
100 °C
95 °C
CPU Performance
Performance Cores
8
8
Performance Core Threads
16
16
Performance Core Base Frequency
3.3 GHz
3.6 GHz
Performance Core Turbo Frequency
5.1 GHz
4.4 GHz
Total Core Count
8
8
Total Thread Count
16
16
Bus Frequency
100 MHz
100 MHz
Multiplier
33
36x
L1 Cache
64 K per core
96 K per core
L2 Cache
8 MB
512 K per core
L3 Cache
16 MB
8 MB shared
Unlocked Multiplier
No
Yes
Memory Parameters
Memory Types
DDR5-5600, LPDDR5x-7500
DDR4-3200
Max Memory Size
256 GB
64 GB
Max Memory Channels
2
2
Max Memory Bandwidth
89.6 GB/s
43.71 GB/s
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
800 MHz
300 MHz
GPU Max Dynamic Frequency
2700 MHz
2100 MHz
Shader Units
768
512
Texture Units
48
32
Raster Operation Units
32
8
Execution Units
12
8
Power Consumption
15 W
65 W
Max Resolution
7680x4320 - 60 Hz
3840x2160 - 60 Hz
AI Accelerator
NPU
AMD Ryzen™ AI
—
Theoretical performance
10 TOPS
—
Miscellaneous
PCIe Version
4.0
3.0
PCIe Lanes
20
12
Benchmark
Cinebench R23
1,745
—
Cinebench R23
12,789
—
Geekbench 6
2,480
—
Geekbench 6
11,518
—
Blender
227
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.