Ryzen 7 5800X vs Ryzen 7 PRO 8840U

AMD

Ryzen 7 5800X

8 Cores16 Thrd105 WWMax: 4.7 GHz2020
Ryzen family
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VS
AMD

Ryzen 7 PRO 8840U

8 Cores16 Thrd28 WWMax: 5.1 GHz2024
Similar parts
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Ryzen 7 5800X vs Ryzen 7 PRO 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 5800X vs Ryzen 7 PRO 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 5800X vs Ryzen 7 PRO 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 5800X

2020

Why buy it

  • +15.8% higher PassMark.
  • +100% larger total L3 cache (32 MB vs 16 MB).
  • 20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 7 PRO 8840U across 50 shared CPU benchmark tests.
  • Launch MSRP is still $449 MSRP, while Ryzen 7 PRO 8840U mostly shows up through inconsistent older-market listings.
  • 275% higher power demand at 105W vs 28W.
  • Older platform position on AM4 with DDR4, while Ryzen 7 PRO 8840U moves to FP7 and DDR5.
  • No integrated graphics, while Ryzen 7 PRO 8840U can still boot and troubleshoot without a discrete GPU.

Ryzen 7 PRO 8840U

2024

Why buy it

  • Better for gaming: +5.0% higher average FPS across 50 shared CPU benchmark tests.
  • Draws 28W instead of 105W, a 77W reduction.
  • Newer platform on FP7 with DDR5 support instead of AM4 and DDR4.
  • Integrated graphics onboard with Radeon 780M, while Ryzen 7 5800X needs a discrete GPU.

Trade-offs

  • Lower PassMark (23,934 vs 27,712).
  • Smaller total L3 cache (16 MB vs 32 MB).

Quick Answers

So, is Ryzen 7 PRO 8840U better than Ryzen 7 5800X?
It depends on what you want from the system. For gaming, Ryzen 7 PRO 8840U is ahead with a 5.0% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 7 5800X pulls ahead with 15.8% better PassMark. Ryzen 7 5800X also has the bigger cache pool with 100% larger total L3 cache (32 MB vs 16 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 7 5800X is the stronger fit. You are getting 15.8% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 100% larger total L3 cache (32 MB vs 16 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 7 PRO 8840U is still the faster CPU overall, but Ryzen 7 5800X is easier to justify if budget matters more than peak performance. Ryzen 7 PRO 8840U comes in at an unclear MSRP at unclear MSRP versus $449 MSRP, and it still gives you a 5.0% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Ryzen 7 5800X is still stronger for heavier multi-core work with 15.8% better PassMark. Ryzen 7 5800X is also 100.0% better value on MSRP (61.7 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen 7 PRO 8840U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2020) and a healthier platform with FP7 and DDR5 instead of AM4. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen 7 5800X vs Ryzen 7 PRO 8840U Technical Specifications

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

AMD

Ryzen 7 5800X

The Ryzen 7 5800X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 27,712 points. Launch price was $449.

AMD

Ryzen 7 PRO 8840U

The Ryzen 7 PRO 8840U is manufactured by AMD. It was released in 16 April 2024 (1 year ago). It is based on the Hawk Point (2024−2025) 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: FP7. Thermal design power (TDP): 28 Watt. Memory support: DDR5. Passmark benchmark score: 23,934 points. Launch price was $299.

Processing Power

Both the Ryzen 7 5800X and Ryzen 7 PRO 8840U share an identical 8-core/16-thread configuration. Boost clocks reach 4.7 GHz on the Ryzen 7 5800X versus 5.1 GHz on the Ryzen 7 PRO 8840U — a 8.2% clock advantage for the Ryzen 7 PRO 8840U (base: 3.8 GHz vs 3.3 GHz). The Ryzen 7 5800X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the Ryzen 7 PRO 8840U uses Hawk Point (2024−2025) (4 nm). In PassMark, the Ryzen 7 5800X scores 27,712 against the Ryzen 7 PRO 8840U's 23,934 — a 14.6% lead for the Ryzen 7 5800X. L3 cache: 32 MB on the Ryzen 7 5800X vs 16 MB (total) on the Ryzen 7 PRO 8840U.

FeatureRyzen 7 5800XRyzen 7 PRO 8840U
Cores / Threads
8 / 16
8 / 16
Boost Clock
4.7 GHz
5.1 GHz+9%
Base Clock
3.8 GHz+15%
3.3 GHz
L3 Cache
32 MB+100%
16 MB (total)
L2 Cache
512K (per core)+51100%
1 MB (per core)
Process
7 nm, 12 nm
4 nm-43%
Architecture
Vermeer (Zen 3) (2020−2022)
Hawk Point (2024−2025)
PassMark
27,712+16%
23,934
Cinebench R23 Multi
13,450
Geekbench 6 Single
2,400
Geekbench 6 Multi
9,500
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Memory & Platform

The Ryzen 7 5800X uses the AM4 socket (PCIe 4.0), while the Ryzen 7 PRO 8840U uses FP7 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 7 5800X versus DDR5-5600 on the Ryzen 7 PRO 8840U — the Ryzen 7 PRO 8840U supports 75% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 PRO 8840U supports up to 256 GB of RAM compared to 128 GB 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Ryzen 7 5800X) vs 20 (Ryzen 7 PRO 8840U) — the Ryzen 7 5800X offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 5800X) and FP7,FP8 (Ryzen 7 PRO 8840U).

FeatureRyzen 7 5800XRyzen 7 PRO 8840U
Socket
AM4
FP7
PCIe Generation
PCIe 4.0
PCIe 4.0
Max RAM Speed
DDR4-3200
DDR5-5600+75%
Max RAM Capacity
128 GB
256 GB+100%
RAM Channels
2
2
ECC Support
Yes
Yes
PCIe Lanes
24+20%
20
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Advanced Features

Only the Ryzen 7 5800X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 7 PRO 8840U supports AVX-512 instructions — important for machine learning and scientific applications. Both support AMD-V virtualization. The Ryzen 7 PRO 8840U includes integrated graphics (Radeon 780M), while the Ryzen 7 5800X requires a dedicated GPU. Primary use case: Ryzen 7 5800X targets Desktop, Ryzen 7 PRO 8840U targets Gaming. Direct competitor: Ryzen 7 PRO 8840U rivals Core Ultra 7 164U.

FeatureRyzen 7 5800XRyzen 7 PRO 8840U
Integrated GPU
No
Yes
IGPU Model
Radeon 780M
Unlocked
Yes
No
AVX-512
No
Yes
Virtualization
AMD-V
AMD-V
Target Use
Desktop
Gaming