Home Comparison AMD Ryzen 7 7840U vs Intel Core i5 8257U

AMD Ryzen 7 7840U vs Intel Core i5 8257U

AMD Ryzen 7 7840U
VS
Intel Core i5 8257U
AMD Ryzen 7 7840U
Intel Core i5 8257U
We compared two laptop CPUs: AMD Ryzen 7 7840U with 8 cores 3.3GHz and Intel Core i5 8257U with 4 cores 1.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 7840U 's Advantages
Released 3 years and 10 months late
Better graphics card performance
Higher specification of memory (7500 vs 2400)
Larger memory bandwidth (89.6GB/s vs 37.5GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.3GHz vs 1.4GHz)
Larger L3 cache size (16MB vs 6MB)
More modern manufacturing process (4nm vs 14nm)
Intel Core i5 8257U 's Advantages
Lower TDP (15W vs 30W)

Score

Benchmark

Cinebench R23 Single Core
AMD Ryzen 7 7840U +75%
1745
Intel Core i5 8257U
996
Cinebench R23 Multi Core
AMD Ryzen 7 7840U +217%
12789
Intel Core i5 8257U
4031
Geekbench 6 Single Core
AMD Ryzen 7 7840U +104%
2480
Intel Core i5 8257U
1210
Geekbench 6 Multi Core
AMD Ryzen 7 7840U +193%
11518
Intel Core i5 8257U
3922
Blender
AMD Ryzen 7 7840U +656%
227
Intel Core i5 8257U
30
Geekbench 5 Single Core
AMD Ryzen 7 7840U +108%
1907
Intel Core i5 8257U
916
Geekbench 5 Multi Core
AMD Ryzen 7 7840U +171%
10387
Intel Core i5 8257U
3820
Passmark CPU Single Core
AMD Ryzen 7 7840U +56%
3593
Intel Core i5 8257U
2302
Passmark CPU Multi Core
AMD Ryzen 7 7840U +228%
24968
Intel Core i5 8257U
7609
AMD Ryzen 7 7840U
VS
Intel Core i5 8257U

General Parameters

May 2023
Release Date
Jul 2019
Amd
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Zen 4 (Phoenix)
Core Architecture
Coffee Lake
-
Processor Number
i5-8257U
FP8
Socket
BGA-1528
Radeon 780M
Integrated Graphics
Iris Plus Graphics 645

Package

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

CPU Performance

8
Performance Cores
4
16
Performance Core Threads
8
3.3 GHz
Performance Core Base Frequency
1.4 GHz
5.1 GHz
Performance Core Turbo Frequency
3.9 GHz
8
Total Core Count
4
16
Total Thread Count
8
100 MHz
Bus Frequency
-
33
Multiplier
14x
64 K per core
L1 Cache
32 K per core
8 MB
L2 Cache
256 K per core
16 MB
L3 Cache
6 MB shared
No
Unlocked Multiplier
No

Memory Parameters

DDR5-5600, LPDDR5x-7500
Memory Types
DDR4-2400, LPDDR3-2133
256 GB
Max Memory Size
32 GB
2
Max Memory Channels
2
89.6 GB/s
Max Memory Bandwidth
37.5 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
800 MHz
GPU Base Frequency
300 MHz
2700 MHz
GPU Max Dynamic Frequency
1050 MHz
768
Shader Units
384
48
Texture Units
48
32
Raster Operation Units
6
12
Execution Units
48
15 W
Power Consumption
15 W
7680x4320 - 60 Hz
Max Resolution
4096x2304 - 60 Hz
4.15 TFLOPS
Graphics Performance
0.81 TFLOPS

AI Accelerator

AMD Ryzen™ AI
NPU
-
10 TOPS
Theoretical performance
-

Miscellaneous

AMD Ryzen 7 7840U
Official Website
Intel Core i5 8257U
4.0
PCIe Version
3.0
20
PCIe Lanes
16
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2

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