Home Comparison AMD Ryzen 7 PRO 7840U vs AMD Ryzen 5 3450U

AMD Ryzen 7 PRO 7840U vs AMD Ryzen 5 3450U

AMD Ryzen 7 PRO 7840U
VS
AMD Ryzen 5 3450U
AMD Ryzen 7 PRO 7840U
AMD Ryzen 5 3450U
We compared two laptop CPUs: AMD Ryzen 7 PRO 7840U with 8 cores 3.3GHz and AMD Ryzen 5 3450U with 4 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 PRO 7840U 's Advantages
Released 3 years and 5 months late
Better graphics card performance
Higher specification of memory (7500 vs 2400)
Larger memory bandwidth (89.6GB/s vs 38.4GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.3GHz vs 2.1GHz)
Larger L3 cache size (16MB vs 4MB)
More modern manufacturing process (4nm vs 12nm)
Lower TDP (30W vs 35W)

Score

Benchmark

Cinebench R23 Single Core
AMD Ryzen 7 PRO 7840U +98%
1755
AMD Ryzen 5 3450U
886
Geekbench 6 Single Core
AMD Ryzen 7 PRO 7840U +149%
2394
AMD Ryzen 5 3450U
961
Geekbench 6 Multi Core
AMD Ryzen 7 PRO 7840U +358%
11027
AMD Ryzen 5 3450U
2403
Blender
AMD Ryzen 7 PRO 7840U +254%
209
AMD Ryzen 5 3450U
59
AMD Ryzen 7 PRO 7840U
VS
AMD Ryzen 5 3450U

General Parameters

Jun 2023
Release Date
Jan 2020
AMD
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Zen 4 (Phoenix)
Core Architecture
Zen+
FP8
Socket
FP5
Radeon 780M
Integrated Graphics
Radeon Vega 8

Package

25 billions
Transistor Count
-
4 nm
Manufacturing Process
12 nm
15-30 W
Power Consumption
12-35 W
100 °C
Peak Operating Temperature
105 °C

CPU Performance

8
Performance Cores
4
16
Performance Core Threads
8
3.3 GHz
Performance Core Base Frequency
2.1 GHz
5.1 GHz
Performance Core Turbo Frequency
3.5 GHz
8
Total Core Count
4
16
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
33
Multiplier
21x
64 K per core
L1 Cache
64 K per core
8 MB
L2 Cache
512 K per core
16 MB
L3 Cache
4 MB shared
No
Unlocked Multiplier
No

Memory Parameters

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

Graphics Card Parameters

true
Integrated Graphics
true
800 MHz
GPU Base Frequency
300 MHz
2700 MHz
GPU Max Dynamic Frequency
2400 MHz
768
Shader Units
512
48
Texture Units
32
32
Raster Operation Units
8
12
Execution Units
8
15 W
Power Consumption
65 W
7680x4320 - 60 Hz
Max Resolution
3840x2160 - 60 Hz
4.15 TFLOPS
Graphics Performance
1.13 TFLOPS

AI Accelerator

AMD Ryzen™ AI
NPU
-
10 TOPS
Theoretical performance
-

Miscellaneous

AMD Ryzen 7 PRO 7840U
Official Website
AMD Ryzen 5 3450U
4.0
PCIe Version
3.0
20
PCIe Lanes
12

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