Home Comparison AMD Ryzen 9 7945HX3D vs AMD Ryzen 7 4800U

AMD Ryzen 9 7945HX3D vs AMD Ryzen 7 4800U

We compared two laptop CPUs: AMD Ryzen 9 7945HX3D with 16 cores 2.3GHz and AMD Ryzen 7 4800U with 8 cores 1.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 7945HX3D 's Advantages
Released 3 years and 6 months late
Larger memory bandwidth (83.2GB/s vs 68.27GB/s)
Newer PCIe version (5 vs 3.0)
Higher base frequency (2.3GHz vs 1.8GHz)
Larger L3 cache size (128MB vs 8MB)
More modern manufacturing process (5nm vs 7nm)
AMD Ryzen 7 4800U 's Advantages
Higher specification of memory (LPDDR4X-4266 vs DDR5-5200)
Lower TDP (10W vs 55W)

Score

Benchmark

Cinebench R23 Single Core
AMD Ryzen 9 7945HX3D +59%
1958
AMD Ryzen 7 4800U
1231
Cinebench R23 Multi Core
AMD Ryzen 9 7945HX3D +274%
33745
AMD Ryzen 7 4800U
8999
Geekbench 6 Single Core
AMD Ryzen 9 7945HX3D +96%
2783
AMD Ryzen 7 4800U
1415
Geekbench 6 Multi Core
AMD Ryzen 9 7945HX3D +281%
16080
AMD Ryzen 7 4800U
4218
Blender
AMD Ryzen 9 7945HX3D +438%
485
AMD Ryzen 7 4800U
90
Geekbench 5 Single Core
AMD Ryzen 9 7945HX3D +81%
2138
AMD Ryzen 7 4800U
1176
Geekbench 5 Multi Core
AMD Ryzen 9 7945HX3D +201%
19153
AMD Ryzen 7 4800U
6344
VS

General Parameters

Jul 2023
Release Date
Jan 2020
AMD
Manufacturer
AMD
Laptop
Type
Laptop
-
Instruction Set
x86-64
Dragon Range
Core Architecture
Zen 2
AMD Socket FL1
Socket
FP6
Radeon 610M
Integrated Graphics
Radeon Vega 8
Ryzen 9 (Zen 4 (Dragon Range))
Generation
-

Package

17.84 billions
Transistor Count
-
5 nm
Manufacturing Process
7 nm
AMD Socket FL1
Socket
FP6
55 W
Power Consumption
10-25 W
89 °C
Peak Operating Temperature
105 °C
TSMC
Foundry
-
2x71 mm²
Die Size
-
6 nm
I/O Process Size
-
122 mm²
I/O Die Size
-
µFC-BGAFL1
Package
-

CPU Performance

-
Performance Cores
8
-
Performance Core Threads
16
2.3 GHz
Performance Core Base Frequency
1.8 GHz
5.4 GHz
Performance Core Turbo Frequency
4.2 GHz
16
Total Core Count
8
32
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
23.0
Multiplier
18x
64 KB per core
L1 Cache
32 K per core
1 MB per core
L2 Cache
512 K per core
128 MB shared
L3 Cache
8 MB shared
Yes
Unlocked Multiplier
No
1
SMP
-

Memory Parameters

DDR5-5200
Memory Types
DDR4-3200, LPDDR4X-4266
64 GB
Max Memory Size
64 GB
2
Max Memory Channels
4
83.2 GB/s
Max Memory Bandwidth
68.27 GB/s
Yes
ECC Memory Support
Yes

Graphics Card Parameters

true
Integrated Graphics
true
2200 MHz
GPU Max Dynamic Frequency
1750 MHz
-
Shader Units
512
-
Texture Units
32
-
Raster Operation Units
8
2
Execution Units
-
-
Power Consumption
15 W
0.49 TFLOPS
Graphics Performance
-

Miscellaneous

5
PCIe Version
3.0
28
PCIe Lanes
16

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