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Comparison
AMD Ryzen 7 7840U vs AMD Ryzen 9 8945HS
AMD Ryzen 7 7840U vs AMD Ryzen 9 8945HS
VS
AMD Ryzen 7 7840U
AMD Ryzen 9 8945HS
We compared two laptop CPUs: AMD Ryzen 7 7840U with 8 cores 3.3GHz and AMD Ryzen 9 8945HS with 8 cores 4.0GHz . 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
Lower TDP (15W vs 35W)
AMD Ryzen 9 8945HS 's Advantages
Released 7 months late
Higher base frequency (4.0GHz vs 3.3GHz)
Score
Benchmark
Cinebench R23 Single Core
AMD Ryzen 7 7840U
1771
AMD Ryzen 9 8945HS
+2%
1811
Cinebench R23 Multi Core
AMD Ryzen 7 7840U
12992
AMD Ryzen 9 8945HS
+32%
17203
Geekbench 6 Single Core
AMD Ryzen 7 7840U
2401
AMD Ryzen 9 8945HS
+8%
2616
Geekbench 6 Multi Core
AMD Ryzen 7 7840U
10983
AMD Ryzen 9 8945HS
+21%
13312
Blender
AMD Ryzen 7 7840U
+25%
234
AMD Ryzen 9 8945HS
187
AMD Ryzen 7 7840U
VS
AMD Ryzen 9 8945HS
General Parameters
May 2023
Release Date
Dec 2023
AMD
Manufacturer
Amd
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Zen 4 (Phoenix)
Core Architecture
Zen 4 (Hawk Point)
FP8
Socket
FP8
Radeon 780M
Integrated Graphics
Radeon 780M
-
Generation
Ryzen 9 (Zen 4 (Hawk Point))
Package
25 billions
Transistor Count
25 billions
4 nm
Manufacturing Process
4 nm
FP8
Socket
FP8
15-30 W
Power Consumption
35-54 W
100°C
Peak Operating Temperature
100°C
-
Foundry
TSMC
-
Die Size
178 mm²
-
Package
FP8, FP7, FP7r2
CPU Performance
8
Performance Cores
8
16
Performance Core Threads
16
3.3 GHz
Performance Core Base Frequency
4.0 GHz
5.1 GHz
Performance Core Turbo Frequency
5.2 GHz
8
Total Core Count
8
16
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
33x
Multiplier
40x
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
1 MB per core
16 MB shared
L3 Cache
16 MB shared
No
Unlocked Multiplier
No
-
SMP
1
Memory Parameters
DDR5-5600, LPDDR5x-7500
Memory Types
DDR5-5600, LPDDR5x-7500
256 GB
Max Memory Size
256 GB
2
Max Memory Channels
2
-
Max Memory Bandwidth
89.6 GB/s
Yes
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
1500 MHz
GPU Base Frequency
800 MHz
2700 MHz
GPU Max Dynamic Frequency
2800 MHz
768
Shader Units
768
48
Texture Units
48
32
Raster Operation Units
32
12
Execution Units
12
15 W
Power Consumption
15 W
7680x4320 - 60 Hz
Max Resolution
7680x4320 - 60 Hz
8.12 TFLOPS
Graphics Performance
8.12 TFLOPS
Miscellaneous
AMD Ryzen 7 7840U
Official Website
AMD Ryzen 9 8945HS
4.0
PCIe Version
4.0
20
PCIe Lanes
20
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