AMD Ryzen 5 7645HX vs AMD Ryzen 7 6800H

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD Ryzen 5 7645HX or AMD Ryzen 5 7645HX – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The AMD Ryzen 5 7645HX features 6 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q1/2023 and belongs to the 6 generation of the AMD Ryzen 5 series.
To use the AMD Ryzen 5 7645HX, you'll need a motherboard with a FL1 socket.
The AMD Ryzen 7 6800H features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q1/2022 and belongs to the 5 generation of the AMD Ryzen 7 series.
To use the AMD Ryzen 7 6800H, you'll need a motherboard with a FP7 socket.
6 Generation 5
AMD Ryzen 5 7645HX Name AMD Ryzen 7 6800H
AMD Ryzen 5 Family AMD Ryzen 7
Mobile Segment Mobile
AMD Ryzen 7045 Group AMD Ryzen 6000H/7035H
 
 

CPU Cores and Base Frequency

The AMD Ryzen 5 7645HX has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the AMD Ryzen 5 7645HX is 4.0 GHz
and turbo frequency for one core is 5.0 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The AMD Ryzen 7 6800H has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the AMD Ryzen 7 6800H is 3.2 GHz
and turbo frequency for one core is 4.7 GHz.
12 Threads 16
Yes Hyperthreading Yes
None None 3.8 GHz
4.0 GHz Frequency 3.2 GHz
6 CPU Cores 8
normal Core architecture normal
5.0 GHz Turbo Frequency (1 core) 4.7 GHz
6x Zen 4 Cores 8x Zen 3+
Yes Overclocking No
 
 

Internal Graphics

The AMD Ryzen 5 7645HX has integrated graphics, called iGPU for short.
Specifically, the AMD Ryzen 5 7645HX uses the AMD Radeon 610M Graphics, which has 128 texture shaders
and 2 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The AMD Ryzen 7 6800H has integrated graphics, called iGPU for short.
Specifically, the AMD Ryzen 7 6800H uses the AMD Radeon RX 680M, which has 768 texture shaders
and 12 execution units.
AMD Radeon 610M Graphics GPU name AMD Radeon RX 680M
128 Shaders 768
6 nm Technology 6 nm
0.4 GHz GPU frequency 2.0 GHz
2 Execution units 12
2.2 GHz GPU (Turbo) 2.2 GHz
12 Direct X 12
9 Generation 9
8.0 GB Max. GPU Memory 8.0 GB
Q3/2022 Release date Q1/2022
-- Max. displays --
 
 

Artificial Intelligence and Machine Learning

-- AI hardware --
-- AI specifications --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Decode / Encode JPEG Decode / Encode
Decode AV1 Decode
Decode VC-1 Decode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode h264 Decode / Encode
Decode / Encode VP8 Decode / Encode
Decode / Encode AVC Decode / Encode
Decode / Encode VP9 Decode / Encode
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 83.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 64.0 GB distributed across 4 memory channels. It offers a peak memory bandwidth of 76.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
Yes AES-NI Yes
Yes ECC No
pci PCIe pci
DDR5-5200 Memory type DDR5-4800, LPDDR5-6400
2 Memory channels 4
128.0 GB Max. Memory 64.0 GB
83.2 GB/s Bandwidth 76.8 GB/s
 
 

Thermal Management

The processor has a thermal design power (TDP) of 55 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 45 W watts.
100 °C Tjunction max 95 °C
45 W TDP down None
55 W TDP (PL1 / PBP) 45 W
75 W TDP up 54 W
 
 

Technical details

The AMD Ryzen 5 7645HX is manufactured using a 5 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 32.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The AMD Ryzen 7 6800H is manufactured using a 6 nm process.
In total, this processor boasts a generous 16.0 MB cache.
-- Release price --
5 nm Technology 6 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
Technical data sheet Documents Technical data sheet
6.0 MB L2-Cache 4.0 MB
32.0 MB L3-Cache 16.0 MB
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2, AVX512 ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2
AMD-V, SVM Virtualization AMD-V, SVM
100-000000872 Part Number --
Chiplet Chip design Chiplet
FL1 Socket FP7
Dragon Range (Zen 4) Architecture Rembrandt (Zen 3+)
Q1/2023 Release date Q1/2022
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11