Consumercarts is reader-supported. Learn more
AMD Ryzen 7 6800U vs AMD Ryzen 7 7840U: Comparison
What is the difference between Ryzen 7 6800U and Ryzen 7 7840U?
P-core boost clock is the dividing line, Ryzen 7 6800U 4.7 GHz against Ryzen 7 7840U 5.1 GHz. There is a split on p-core base clock as well, 2.7 GHz on the Ryzen 7 6800U versus 3.3 GHz on the Ryzen 7 7840U. Ryzen 7 7840U also leads on l2 cache, 4 MB on the Ryzen 7 6800U versus 8 MB on the Ryzen 7 7840U. They differ on socket too, FP7 on the Ryzen 7 6800U versus FP7, FP7r2, FP8 on the Ryzen 7 7840U. Product line is not the same on both, Ryzen on the Ryzen 7 6800U versus Ryzen 7 on the Ryzen 7 7840U. They differ on form factor too, Laptops, Desktops on the Ryzen 7 6800U versus Laptop on the Ryzen 7 7840U. There is a split on release year as well, 2022 on the Ryzen 7 6800U versus 2023 on the Ryzen 7 7840U. Igpu is not the same on both, AMD Radeon 680M on the Ryzen 7 6800U versus AMD Radeon 780M on the Ryzen 7 7840U. There is a split on microarchitecture as well, Zen 3+ on the Ryzen 7 6800U versus Zen 4 on the Ryzen 7 7840U.
Ryzen 7 6800U vs Ryzen 7 7840U: which one fits your build
The Ryzen 7 6800U suits mainstream desktop builds and everyday productivity, though it is not the pick for extreme overclocking (unless K/X-series) and workstation-class multi-threaded workloads. Buy the Ryzen 7 7840U for mainstream desktop builds and everyday productivity, though it is the wrong buy for extreme overclocking (unless K/X-series) and workstation-class multi-threaded workloads.
Where the two are identical
Where they agree, they agree completely, total cores, performance cores, efficiency cores, total threads and configurable tdp floor included, so the decision does not turn on any of those. They match on 9 further specifications as well.
Frequently asked questions
Do the Ryzen 7 6800U and Ryzen 7 7840U differ on base power?
Yes. Base Power reads 15 W on the Ryzen 7 6800U versus 28 W on the Ryzen 7 7840U.
Is the L3 Cache the same on the Ryzen 7 6800U and Ryzen 7 7840U?
It is. Both are listed at 16 MB, so it is not a reason to pick one over the other.
Specs and benchmarks
Product Line
- AMD Ryzen 7 6800U
- Ryzen
- AMD Ryzen 7 7840U
- Ryzen 7
Form Factor
- AMD Ryzen 7 6800U
- Laptops, Desktops
- AMD Ryzen 7 7840U
- Laptop
Model Number
- AMD Ryzen 7 6800U
- 6800U
- AMD Ryzen 7 7840U
- 7840U
Codename
- AMD Ryzen 7 6800U
- Rembrandt
- AMD Ryzen 7 7840U
- Phoenix
Release Year
- AMD Ryzen 7 6800U
- 2022
- AMD Ryzen 7 7840U
- 2023
iGPU
- AMD Ryzen 7 6800U
- AMD Radeon 680M
- AMD Ryzen 7 7840U
- AMD Radeon 780M
Market Segment
- AMD Ryzen 7 6800U
- Laptop
- AMD Ryzen 7 7840U
- Laptop
Microarchitecture
- AMD Ryzen 7 6800U
- Zen 3+
- AMD Ryzen 7 7840U
- Zen 4
Socket
- AMD Ryzen 7 6800U
- FP7
- AMD Ryzen 7 7840U
- FP7, FP7r2, FP8
Process Node
- AMD Ryzen 7 6800U
- TSMC 6nm FinFET
- AMD Ryzen 7 7840U
- TSMC 4nm FinFET
Total Cores
- AMD Ryzen 7 6800U
- 8
- AMD Ryzen 7 7840U
- 8
Performance Cores
- AMD Ryzen 7 6800U
- 8
- AMD Ryzen 7 7840U
- 8
Efficiency Cores
- AMD Ryzen 7 6800U
- 0
- AMD Ryzen 7 7840U
- 0
Total Threads
- AMD Ryzen 7 6800U
- 16
- AMD Ryzen 7 7840U
- 16
SMT Enabled
- AMD Ryzen 7 6800U
- Yes
- AMD Ryzen 7 7840U
- Yes
P-Core Base Clock
- AMD Ryzen 7 6800U
- 2.7 GHz
- AMD Ryzen 7 7840U
- 3.3 GHz
P-Core Boost Clock
- AMD Ryzen 7 6800U
- 4.7 GHz
- AMD Ryzen 7 7840U
- 5.1 GHz
Unlocked Multiplier
- AMD Ryzen 7 6800U
- No
- AMD Ryzen 7 7840U
- No
L2 Cache
- AMD Ryzen 7 6800U
- 4 MB-50%
- AMD Ryzen 7 7840U
- 8 MBBest
L3 Cache
- AMD Ryzen 7 6800U
- 16 MB
- AMD Ryzen 7 7840U
- 16 MB
Base Power
- AMD Ryzen 7 6800U
- 15 W
- AMD Ryzen 7 7840U
- 28 W
Configurable TDP Floor
- AMD Ryzen 7 6800U
- 15 W
- AMD Ryzen 7 7840U
- 15 W
Memory Type
- AMD Ryzen 7 6800U
- DDR5
- AMD Ryzen 7 7840U
- DDR5, LPDDR5X
Max Memory Speed
- AMD Ryzen 7 6800U
- 6400 MT/s
- AMD Ryzen 7 7840U
- 7500 MT/sBest
Memory Channels
- AMD Ryzen 7 6800U
- 2
- AMD Ryzen 7 7840U
- 2
Integrated Graphics
- AMD Ryzen 7 6800U
- Yes
- AMD Ryzen 7 7840U
- Yes
iGPU Model
- AMD Ryzen 7 6800U
- AMD Radeon 680M
- AMD Ryzen 7 7840U
- AMD Radeon 780M
iGPU Compute Units
- AMD Ryzen 7 6800U
- 12
- AMD Ryzen 7 7840U
- 12
Copilot Plus Certified
- AMD Ryzen 7 6800U
- No
- AMD Ryzen 7 7840U
- No
PCIe Generation
- AMD Ryzen 7 6800U
- PCIe 4.0
- AMD Ryzen 7 7840U
- PCIe 4.0
Which one should you pick?
Choose 6800U if you want the higher L3 cache (16 MB vs 16 MB) and the higher memory channels (2 vs 2).
Choose 7840U if you want the higher L2 cache (8 MB vs 4 MB).