AMD Ryzen 7 7840U vs AMD Ryzen 7 6800U

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD Ryzen 7 7840U or AMD Ryzen 7 7840U – 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 7 7840U features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q2/2023 and belongs to the 6 generation of the AMD Ryzen 7 series.
To use the AMD Ryzen 7 7840U, you'll need a motherboard with a FP8 socket.
The AMD Ryzen 7 6800U 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 6800U, you'll need a motherboard with a FP7 socket.
AMD Ryzen 7040 Group AMD Ryzen 6000U/7035U
6 Generation 5
Mobile Segment Mobile
AMD Ryzen 7 7840U Name AMD Ryzen 7 6800U
AMD Ryzen 7 Family AMD Ryzen 7
 
 

CPU Cores and Base Frequency

The AMD Ryzen 7 7840U has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the AMD Ryzen 7 7840U is 3.3 GHz
and turbo frequency for one core is 5.1 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The AMD Ryzen 7 6800U has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the AMD Ryzen 7 6800U is 2.7 GHz
and turbo frequency for one core is 4.7 GHz.
16 Threads 16
8x Zen 4 Cores 8x Zen 3+
8 CPU Cores 8
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking No
5.1 GHz Turbo Frequency (1 core) 4.7 GHz
3.3 GHz Frequency 2.7 GHz
None None 3.4 GHz
 
 

Internal Graphics

The AMD Ryzen 7 7840U has integrated graphics, called iGPU for short.
Specifically, the AMD Ryzen 7 7840U uses the AMD Radeon 780M Graphics, 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 7 6800U has integrated graphics, called iGPU for short.
Specifically, the AMD Ryzen 7 6800U uses the AMD Radeon RX 680M, which has 768 texture shaders
768 Shaders 768
Q1/2023 Release date Q1/2022
4 nm Technology 6 nm
12 Direct X 12
32.0 GB Max. GPU Memory 8.0 GB
-- Max. displays --
12 Execution units 12
1.2 GHz GPU frequency 2.0 GHz
10 Generation 9
2.7 GHz GPU (Turbo) 2.2 GHz
AMD Radeon 780M Graphics GPU name AMD Radeon RX 680M
 
 

Artificial Intelligence and Machine Learning

AMD dedicated AI XDNA Technology AI specifications --
AMD Ryzen AI 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 VP8 Decode / Encode
Decode VC-1 Decode
Decode / Encode JPEG Decode / Encode
Decode / Encode AV1 Decode
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode AVC Decode / Encode
Decode / Encode h264 Decode / Encode
Decode VP9 Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 256.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 89.6 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.
pci PCIe pci
Yes AES-NI Yes
DDR5-5600, LPDDR5X-7500 Memory type DDR5-4800, LPDDR5-6400
Yes ECC No
256.0 GB Max. Memory 64.0 GB
2 Memory channels 4
89.6 GB/s Bandwidth 76.8 GB/s
 
 

Thermal Management

The processor has a thermal design power (TDP) of 28 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 15 W watts.
15 W TDP down None
None TDP up 28 W
28 W TDP (PL1 / PBP) 15 W
100 °C Tjunction max 105 °C
 
 

Technical details

The AMD Ryzen 7 7840U is manufactured using a 4 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 7 6800U is manufactured using a 6 nm process.
Q2/2023 Release date Q1/2022
AMD-V, SVM Virtualization AMD-V, SVM
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2, AVX512 ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2
4 nm Technology 6 nm
Chiplet Chip design Chiplet
-- Release price --
Phoenix (Zen 4) Architecture Rembrandt (Zen 3+)
16.0 MB L3-Cache 16.0 MB
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
FP8 Socket FP7
8.0 MB L2-Cache 4.0 MB
 
 

Benchmarks

Cinebench R23 (Multi-Core)

AMD Ryzen 7 7840U
8C 16T @ 3.3 GHz
14798
14798
AMD Ryzen 7 6800U
8C 16T @ 2.7 GHz
10412
10412

Geekbench 6 (Multi-Core)

AMD Ryzen 7 7840U
8C 16T @ 3.3 GHz
10726
10726
AMD Ryzen 7 6800U
8C 16T @ 2.7 GHz
7896
7896

Geekbench 5, 64bit (Multi-Core)

AMD Ryzen 7 7840U
8C 16T @ 3.3 GHz
9977
9977
AMD Ryzen 7 6800U
8C 16T @ 2.7 GHz
7335
7335

Geekbench 6 (Single-Core)

AMD Ryzen 7 7840U
8C 16T @ 3.3 GHz
2446
2446
AMD Ryzen 7 6800U
8C 16T @ 2.7 GHz
1861
1861

Geekbench 5, 64bit (Single-Core)

AMD Ryzen 7 7840U
8C 16T @ 3.3 GHz
1917
1917
AMD Ryzen 7 6800U
8C 16T @ 2.7 GHz
1517
1517

Cinebench R23 (Single-Core)

AMD Ryzen 7 7840U
8C 16T @ 3.3 GHz
1807
1807
AMD Ryzen 7 6800U
8C 16T @ 2.7 GHz
1475
1475

AMD Ryzen 7 7840U and AMD Ryzen 7 6800U in leaderboards