Ryzen 7 7800X3D vs Ryzen 7 8840U

AMD

Ryzen 7 7800X3D

8 Cores16 Thrd120 WWMax: 5 GHz2023
Ryzen family
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VS
AMD

Ryzen 7 8840U

8 Cores16 Thrd28 WWMax: 5.1 GHz2023
Ryzen family
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Ryzen 7 7800X3D vs Ryzen 7 8840U Performance Spectrum

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Ryzen 7 7800X3D vs Ryzen 7 8840U FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Ryzen 7 7800X3D vs Ryzen 7 8840U: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Ryzen 7 7800X3D

2023

Why buy it

  • Better for gaming: +22.6% higher average FPS across 37 shared CPU benchmark tests.
  • 100+% more PCIe lanes (28 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with AMD Radeon Graphics (2-core), while Ryzen 7 8840U needs a discrete GPU.

Trade-offs

  • Launch MSRP is still $449 MSRP, while Ryzen 7 8840U mostly shows up through inconsistent older-market listings.
  • 328.6% higher power demand at 120W vs 28W.

Ryzen 7 8840U

2023

Why buy it

  • Draws 28W instead of 120W, a 92W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 37 shared CPU benchmark tests.
  • Lower PassMark (23,415 vs 34,293).
  • No integrated graphics, while Ryzen 7 7800X3D can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 7 7800X3D better than Ryzen 7 8840U?
Yes. Ryzen 7 7800X3D is the better all-around CPU here. It gives you a 22.6% average FPS lead across 37 shared CPU game tests in our data, 46.5% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Ryzen 7 7800X3D is the better pick. According to our tests, it delivers 22.6% more average FPS across 37 shared CPU game tests. It also has a clear cache advantage at 96 MB versus 16 MB.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 7 7800X3D is the stronger fit. You are getting 46.5% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 500% larger total L3 cache (96 MB vs 16 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 7 7800X3D is the better buy right now. Ryzen 7 7800X3D comes in at an unclear MSRP at $449 MSRP versus unclear MSRP, and it still gives you a 22.6% average FPS lead across 37 shared CPU game tests in our data. It is also 100.0% better value on MSRP (76.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen 7 7800X3D makes more sense long term for 2026 and beyond. You are getting 3D V-Cache and a much larger 96 MB L3 cache instead of 16 MB and more multi-core headroom with 8 cores / 16 threads instead of 8/16. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen 7 7800X3D vs Ryzen 7 8840U Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

AMD

Ryzen 7 7800X3D

The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.

AMD

Ryzen 7 8840U

The Ryzen 7 8840U is manufactured by AMD. It was released in 6 December 2023 (1 year ago). It is based on the Hawk Point-U (Zen 4) (2023−2025) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 28 Watt. Memory support: DDR5. Passmark benchmark score: 23,415 points. Launch price was $299.

Processing Power

Both the Ryzen 7 7800X3D and Ryzen 7 8840U share an identical 8-core/16-thread configuration. Boost clocks reach 5 GHz on the Ryzen 7 7800X3D versus 5.1 GHz on the Ryzen 7 8840U — a 2% clock advantage for the Ryzen 7 8840U (base: 4.4 GHz vs 3.3 GHz). The Ryzen 7 7800X3D uses the Raphael (Zen4) (2022−2023) architecture (5 nm), while the Ryzen 7 8840U uses Hawk Point-U (Zen 4) (2023−2025) (4 nm). In PassMark, the Ryzen 7 7800X3D scores 34,293 against the Ryzen 7 8840U's 23,415 — a 37.7% lead for the Ryzen 7 7800X3D. L3 cache: 96 MB (total) on the Ryzen 7 7800X3D vs 16 MB (total) on the Ryzen 7 8840U.

FeatureRyzen 7 7800X3DRyzen 7 8840U
Cores / Threads
8 / 16
8 / 16
Boost Clock
5 GHz
5.1 GHz+2%
Base Clock
4.4 GHz+33%
3.3 GHz
L3 Cache
96 MB (total)+500%
16 MB (total)
L2 Cache
1 MB (per core)
1 MB (per core)
Process
5 nm
4 nm-20%
Architecture
Raphael (Zen4) (2022−2023)
Hawk Point-U (Zen 4) (2023−2025)
PassMark
34,293+46%
23,415
Cinebench R23 Multi
18,500
Geekbench 6 Single
2,700
Geekbench 6 Multi
15,000
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Memory & Platform

The Ryzen 7 7800X3D uses the AM5 socket (PCIe 5.0), while the Ryzen 7 8840U uses FP8 (PCIe 4.0) — making them incompatible on the same motherboard.

FeatureRyzen 7 7800X3DRyzen 7 8840U
Socket
AM5
FP8
PCIe Generation
PCIe 5.0+25%
PCIe 4.0
Max RAM Speed
DDR5-5200
Max RAM Capacity
128 GB
RAM Channels
2
ECC Support
Yes
PCIe Lanes
28
🔧

Advanced Features

Virtualization: AMD-V (Ryzen 7 7800X3D) / not specified (Ryzen 7 8840U). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the Ryzen 7 8840U requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.

FeatureRyzen 7 7800X3DRyzen 7 8840U
Integrated GPU
Yes
IGPU Model
AMD Radeon Graphics (2-core)
Unlocked
Yes
AVX-512
Yes
Virtualization
AMD-V
Target Use
Gaming