Home Comparison AMD Ryzen 5 7640U vs Intel Core i5 8400

AMD Ryzen 5 7640U vs Intel Core i5 8400

AMD Ryzen 5 7640U
VS
Intel Core i5 8400
AMD Ryzen 5 7640U
Intel Core i5 8400
We compared the laptop AMD Ryzen 5 7640U with 6 cores 3.5GHz and the desktop Intel Core i5 8400 with 6 cores 2.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 7640U 's Advantages
Released 5 years and 7 months late
Better graphics card performance
Higher specification of memory (7500 vs 2666)
Larger memory bandwidth (89.6GB/s vs 41.6GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.5GHz vs 2.8GHz)
Larger L3 cache size (16MB vs 9MB)
More modern manufacturing process (4nm vs 14nm)
Lower TDP (30W vs 65W)

Score

Benchmark

Cinebench R23 Single Core
AMD Ryzen 5 7640U +59%
1633
Intel Core i5 8400
1026
Cinebench R23 Multi Core
AMD Ryzen 5 7640U +89%
11000
Intel Core i5 8400
5798
Geekbench 6 Single Core
AMD Ryzen 5 7640U +80%
2337
Intel Core i5 8400
1298
Geekbench 6 Multi Core
AMD Ryzen 5 7640U +122%
10412
Intel Core i5 8400
4677
Blender
AMD Ryzen 5 7640U +118%
181
Intel Core i5 8400
83
Geekbench 5 Single Core
AMD Ryzen 5 7640U +80%
1859
Intel Core i5 8400
1032
Geekbench 5 Multi Core
AMD Ryzen 5 7640U +90%
8800
Intel Core i5 8400
4611
Passmark CPU Single Core
AMD Ryzen 5 7640U +46%
3506
Intel Core i5 8400
2387
Passmark CPU Multi Core
AMD Ryzen 5 7640U +129%
21172
Intel Core i5 8400
9214
AMD Ryzen 5 7640U
VS
Intel Core i5 8400

General Parameters

May 2023
Release Date
Oct 2017
AMD
Manufacturer
Intel
Laptop
Type
Desktop
x86-64
Instruction Set
x86-64
Zen 4 (Phoenix)
Core Architecture
Coffee Lake
-
Processor Number
i5-8400
FP8
Socket
LGA-1151
Radeon 760M
Integrated Graphics
UHD Graphics 630

Package

25 billions
Transistor Count
-
4 nm
Manufacturing Process
14 nm
15-30 W
Power Consumption
65 W
100 °C
Peak Operating Temperature
100 °C

CPU Performance

6
Performance Cores
6
12
Performance Core Threads
6
3.5 GHz
Performance Core Base Frequency
2.8 GHz
4.9 GHz
Performance Core Turbo Frequency
4 GHz
6
Total Core Count
6
12
Total Thread Count
6
100 MHz
Bus Frequency
100 MHz
35
Multiplier
28x
64 K per core
L1 Cache
64 K per core
6 MB
L2 Cache
256 K per core
16 MB
L3 Cache
9 MB shared
No
Unlocked Multiplier
No

Memory Parameters

DDR5-5600, LPDDR5x-7500
Memory Types
DDR4-2666
256 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
89.6 GB/s
Max Memory Bandwidth
41.6 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
800 MHz
GPU Base Frequency
350 MHz
2600 MHz
GPU Max Dynamic Frequency
1050 MHz
512
Shader Units
192
32
Texture Units
24
16
Raster Operation Units
3
8
Execution Units
24
15
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
2.66 TFLOPS
Graphics Performance
0.38 TFLOPS

AI Accelerator

AMD Ryzen™ AI
NPU
-
10 TOPS
Theoretical performance
-

Miscellaneous

AMD Ryzen 5 7640U
Official Website
Intel Core i5 8400
4.0
PCIe Version
3.0
20
PCIe Lanes
16
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2

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