AMD Ryzen 7 7840U vs Intel Core i5 8400T
CPU · Specs Compare
General Parameters
Release Date
May 2023
Apr 2018
Manufacturer
Amd
Intel
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 4 (Phoenix)
Coffee Lake
Integrated Graphics
Radeon 780M
UHD Graphics 630
Processor Number
—
i5-8400T
Package
Transistor Count
25 billions
—
Manufacturing Process
4 nm
14 nm
Socket
FP8
LGA-1151
Power Consumption
15-30 W
35 W
Peak Operating Temperature
100 °C
100 °C
CPU Performance
Performance Cores
8
6
Performance Core Threads
16
6
Performance Core Base Frequency
3.3 GHz
1.7 GHz
Performance Core Turbo Frequency
5.1 GHz
3.3 GHz
Total Core Count
8
6
Total Thread Count
16
6
Bus Frequency
100 MHz
100 MHz
Multiplier
33
17x
L1 Cache
64 K per core
64 K per core
L2 Cache
8 MB
256 K per core
L3 Cache
16 MB
9 MB shared
Unlocked Multiplier
No
No
Memory Parameters
Memory Types
DDR5-5600, LPDDR5x-7500
DDR4-2666
Max Memory Size
256 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
89.6 GB/s
41.6 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
800 MHz
350 MHz
GPU Max Dynamic Frequency
2700 MHz
1050 MHz
Shader Units
768
192
Texture Units
48
24
Raster Operation Units
32
3
Execution Units
12
24
Power Consumption
15 W
15 W
Max Resolution
7680x4320 - 60 Hz
4096x2304 - 60 Hz
AI Accelerator
NPU
AMD Ryzen™ AI
—
Theoretical performance
10 TOPS
—
Miscellaneous
PCIe Version
4.0
3.0
PCIe Lanes
20
16
Extended Instruction Set
—
SSE4.1, SSE4.2, AVX-2
Benchmark
Cinebench R23
1,745
774
Cinebench R23
12,789
3,638
Geekbench 6
2,480
1,120
Geekbench 6
11,518
3,670
Blender
227
—
Passmark CPU
—
1,917
Passmark CPU
—
7,447
▲ Specs Compare
Data sourced from official specifications and benchmark tests.