AMD Ryzen 7 7840HS vs AMD Ryzen 5 PRO 8640U
We compared two laptop CPUs: AMD Ryzen 7 7840HS with 8 cores 3.8GHz and AMD Ryzen 5 PRO 8640U with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD Ryzen 7 7840HS 's Advantages
Integrated graphics card
Higher specification of memory (7500 vs 5600)
Higher base frequency (3.8GHz vs 3.5GHz)
AMD Ryzen 5 PRO 8640U 's Advantages
Released 1 years late
Newer PCIe version (4 vs 4.0)
Lower TDP (28W vs 54W)
Score
Benchmark
Cinebench R23 Single Core
AMD Ryzen 7 7840HS
+13%
1768
AMD Ryzen 5 PRO 8640U
1552
Cinebench R23 Multi Core
AMD Ryzen 7 7840HS
+54%
16477
AMD Ryzen 5 PRO 8640U
10675
Geekbench 6 Single Core
AMD Ryzen 7 7840HS
+2%
2575
AMD Ryzen 5 PRO 8640U
2519
Geekbench 6 Multi Core
AMD Ryzen 7 7840HS
+17%
12085
AMD Ryzen 5 PRO 8640U
10308
General Parameters
Apr 2023
Release Date
Apr 2024
Amd
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
-
Zen 4 (Phoenix)
Core Architecture
Hawk Point
FP8
Socket
AMD Socket FP7
Radeon 780M
Integrated Graphics
Radeon 760M
-
Generation
Ryzen 5 (Zen 4 (Hawk Point))
Package
25 billions
Transistor Count
25 billions
4 nm
Manufacturing Process
4 nm
35-54 W
Power Consumption
28 W
100 °C
Peak Operating Temperature
-
-
Foundry
TSMC
-
Die Size
178 mm²
CPU Performance
8
Performance Cores
-
16
Performance Core Threads
-
3.8 GHz
Performance Core Base Frequency
3.5 GHz
5.1 GHz
Performance Core Turbo Frequency
4.9 GHz
8
Total Core Count
6
16
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
38
Multiplier
35.0
64 K per core
L1 Cache
64 KB per core
8 MB
L2 Cache
1 MB per core
16 MB
L3 Cache
16 MB shared
No
Unlocked Multiplier
No
-
SMP
1
Memory Parameters
DDR5-5600, LPDDR5x-7500
Memory Types
DDR5-5600
256 GB
Max Memory Size
-
2
Max Memory Channels
2
89.6 GB/s
Max Memory Bandwidth
-
Yes
ECC Memory Support
Yes
Graphics Card Parameters
true
Integrated Graphics
-
800 MHz
GPU Base Frequency
-
2700 MHz
GPU Max Dynamic Frequency
-
768
Shader Units
-
48
Texture Units
-
32
Raster Operation Units
-
12
Execution Units
-
15
Power Consumption
-
7680x4320 - 60 Hz
Max Resolution
-
4.15 TFLOPS
Graphics Performance
-
AI Accelerator
AMD Ryzen™ AI
NPU
-
10 TOPS
Theoretical performance
-
