AMD Ryzen 9 6900HX vs AMD Ryzen 9 7945HX

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD Ryzen 9 6900HX or AMD Ryzen 9 6900HX – 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 9 6900HX 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 9 series.
To use the AMD Ryzen 9 6900HX, you'll need a motherboard with a FP7 socket.
The AMD Ryzen 9 7945HX features 16 processor cores and has the capability to manage 32 threads concurrently.
It was released in Q1/2023 and belongs to the 6 generation of the AMD Ryzen 9 series.
To use the AMD Ryzen 9 7945HX, you'll need a motherboard with a FL1 socket.
AMD Ryzen 6000H/7035H Group AMD Ryzen 7045
5 Generation 6
AMD Ryzen 9 6900HX Name AMD Ryzen 9 7945HX
Mobile Segment Mobile
AMD Ryzen 9 Family AMD Ryzen 9
 
 

CPU Cores and Base Frequency

The AMD Ryzen 9 6900HX has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the AMD Ryzen 9 6900HX is 3.3 GHz
and turbo frequency for one core is 4.9 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The AMD Ryzen 9 7945HX has 16 CPU cores and can calculate 32 threads in parallel.
The clock frequency of the AMD Ryzen 9 7945HX is 2.5 GHz
and turbo frequency for one core is 5.4 GHz.
4.2 GHz Turbo Frequency (all cores) None
4.9 GHz Turbo Frequency (1 core) 5.4 GHz
normal Core architecture normal
3.3 GHz Frequency 2.5 GHz
8 CPU Cores 16
No Overclocking Yes
Yes Hyperthreading Yes
8x Zen 3+ Cores 16x Zen 4
16 Threads 32
 
 

Internal Graphics

The AMD Ryzen 9 6900HX has integrated graphics, called iGPU for short.
Specifically, the AMD Ryzen 9 6900HX uses the AMD Radeon RX 680M, which has 768 texture shaders
and 12 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The AMD Ryzen 9 7945HX has integrated graphics, called iGPU for short.
Specifically, the AMD Ryzen 9 7945HX uses the AMD Radeon 610M Graphics, which has 128 texture shaders
and 2 execution units.
2.4 GHz GPU (Turbo) 2.2 GHz
6 nm Technology 6 nm
12 Direct X 12
8.0 GB Max. GPU Memory 8.0 GB
12 Execution units 2
Q1/2022 Release date Q3/2022
AMD Radeon RX 680M GPU name AMD Radeon 610M Graphics
768 Shaders 128
2.0 GHz GPU frequency 0.4 GHz
9 Generation 9
-- Max. displays --
 
 

Artificial Intelligence and Machine Learning

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

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 h265 / HEVC (8 bit) Decode / Encode
Decode / Encode VP9 Decode / Encode
Decode / Encode VP8 Decode / Encode
Decode VC-1 Decode
Decode / Encode JPEG Decode / Encode
Decode / Encode h264 Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
Decode / Encode AVC Decode / Encode
Decode AV1 Decode
 
 

Memory & PCIe

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.
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.
DDR5-4800, LPDDR5-6400 Memory type DDR5-5200
76.8 GB/s Bandwidth 83.2 GB/s
Yes AES-NI Yes
No ECC Yes
pci PCIe pci
64.0 GB Max. Memory 128.0 GB
4 Memory channels 2
 
 

Thermal Management

The processor has a thermal design power (TDP) of 45 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 55 W watts.
54 W TDP up 75 W
45 W TDP (PL1 / PBP) 55 W
95 °C Tjunction max 100 °C
 
 

Technical details

The AMD Ryzen 9 6900HX is manufactured using a 6 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 16.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The AMD Ryzen 9 7945HX is manufactured using a 5 nm process.
In total, this processor boasts a generous 64.0 MB cache.
AMD-V, SVM Virtualization AMD-V, SVM
6 nm Technology 5 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2 ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2, AVX512
-- Part Number 100-000000870
Chiplet Chip design Chiplet
Q1/2022 Release date Q1/2023
-- Release price --
4.0 MB L2-Cache 16.0 MB
Technical data sheet Documents Technical data sheet
16.0 MB L3-Cache 64.0 MB
FP7 Socket FL1
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
Rembrandt (Zen 3+) Architecture Dragon Range (Zen 4)
 
 

Benchmarks

Estimated results for PassMark CPU Mark

AMD Ryzen 9 7945HX
16C 32T @ 2.5 GHz
58842
58842
AMD Ryzen 9 6900HX
8C 16T @ 3.3 GHz
24939
24939

Cinebench R23 (Multi-Core)

AMD Ryzen 9 7945HX
16C 32T @ 2.5 GHz
32788
32788
AMD Ryzen 9 6900HX
8C 16T @ 3.3 GHz
14670
14670

Geekbench 5, 64bit (Multi-Core)

AMD Ryzen 9 7945HX
16C 32T @ 2.5 GHz
19472
19472
AMD Ryzen 9 6900HX
8C 16T @ 3.3 GHz
10609
10609

Geekbench 6 (Multi-Core)

AMD Ryzen 9 7945HX
16C 32T @ 2.5 GHz
16214
16214
AMD Ryzen 9 6900HX
8C 16T @ 3.3 GHz
9938
9938

Cinebench R20 (Multi-Core)

AMD Ryzen 9 7945HX
16C 32T @ 2.5 GHz
12914
12914
AMD Ryzen 9 6900HX
8C 16T @ 3.3 GHz
5711
5711

Geekbench 6 (Single-Core)

AMD Ryzen 9 7945HX
16C 32T @ 2.5 GHz
2734
2734
AMD Ryzen 9 6900HX
8C 16T @ 3.3 GHz
2092
2092

Geekbench 5, 64bit (Single-Core)

AMD Ryzen 9 7945HX
16C 32T @ 2.5 GHz
2130
2130
AMD Ryzen 9 6900HX
8C 16T @ 3.3 GHz
1644
1644

Cinebench R23 (Single-Core)

AMD Ryzen 9 7945HX
16C 32T @ 2.5 GHz
1955
1955
AMD Ryzen 9 6900HX
8C 16T @ 3.3 GHz
1662
1662

Cinebench R20 (Single-Core)

AMD Ryzen 9 7945HX
16C 32T @ 2.5 GHz
758
758
AMD Ryzen 9 6900HX
8C 16T @ 3.3 GHz
642
642