Home Comparison AMD Ryzen 9 4900H vs AMD Ryzen 7 8840U

AMD Ryzen 9 4900H vs AMD Ryzen 7 8840U

AMD Ryzen 9 4900H
VS
AMD Ryzen 7 8840U
AMD Ryzen 9 4900H
AMD Ryzen 7 8840U
We compared two laptop CPUs: AMD Ryzen 9 4900H with 8 cores 3.3GHz and AMD Ryzen 7 8840U with 8 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 8840U 's Advantages
Released 3 years and 9 months late
Higher specification of memory (7500 vs 4266)
Larger memory bandwidth (89.6GB/s vs 68.27GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (16MB vs 8MB)
More modern manufacturing process (4nm vs 7nm)
Lower TDP (30W vs 54W)

Score

Benchmark

Cinebench R23 Single Core
AMD Ryzen 9 4900H
1265
AMD Ryzen 7 8840U +40%
1780
Cinebench R23 Multi Core
AMD Ryzen 9 4900H
11230
AMD Ryzen 7 8840U +14%
12815
Geekbench 6 Single Core
AMD Ryzen 9 4900H
1678
AMD Ryzen 7 8840U +47%
2468
Geekbench 6 Multi Core
AMD Ryzen 9 4900H
6103
AMD Ryzen 7 8840U +88%
11498
AMD Ryzen 9 4900H
VS
AMD Ryzen 7 8840U

General Parameters

Mar 2020
Release Date
Dec 2023
AMD
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Zen 2
Core Architecture
Zen 4 (Hawk Point)
FP6
Socket
FP8
Radeon Vega 8
Integrated Graphics
Radeon 780M
-
Generation
Ryzen 7 (Zen 4 (Hawk Point))

Package

-
Transistor Count
25 billions
7 nm
Manufacturing Process
4 nm
35-54 W
Power Consumption
15-30 W
105 °C
Peak Operating Temperature
100°C
-
Foundry
TSMC
-
Die Size
178 mm²

CPU Performance

8
Performance Cores
8
16
Performance Core Threads
16
3.3 GHz
Performance Core Base Frequency
3.3 GHz
4.4 GHz
Performance Core Turbo Frequency
5.1 GHz
8
Total Core Count
8
16
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
33x
Multiplier
33x
-
L1 Cache
64 K per core
512 K per core
L2 Cache
1 MB per core
8 MB shared
L3 Cache
16 MB shared
No
Unlocked Multiplier
No
-
SMP
1

Memory Parameters

DDR4-3200, LPDDR4X-4266
Memory Types
DDR5-5600, LPDDR5x-7500
64 GB
Max Memory Size
256 GB
4
Max Memory Channels
2
68.27 GB/s
Max Memory Bandwidth
89.6 GB/s
Yes
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
-
GPU Base Frequency
1500 MHz
1750 MHz
GPU Max Dynamic Frequency
2700 MHz
512
Shader Units
768
32
Texture Units
48
8
Raster Operation Units
32
-
Execution Units
12
15 W
Power Consumption
15 W
-
Max Resolution
7680x4320 - 60 Hz
-
Graphics Performance
8.12 TFLOPS

Miscellaneous

AMD Ryzen 9 4900H
Official Website
AMD Ryzen 7 8840U
3.0
PCIe Version
4.0
16
PCIe Lanes
20

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