Core i9-9900 vs Ryzen 7 4800U

Core i9-9900 vs Ryzen 7 4800U Performance Spectrum

Core i9-9900

8 / 16

16,238

0.0%

16,427

+1.2%

Ryzen AI Max+ PRO 395

Ryzen 9 9950X3D

Ryzen Threadripper 9960X

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.

Core i9-9900 vs Ryzen 7 4800U 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.

Core i9-9900 vs Ryzen 7 4800U: Pros, Cons & Final Verdict

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

Core i9-9900

2019

Why buy it

✅Better for gaming: +28.9% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (16 MB vs 8 MB).
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics 630, while Ryzen 7 4800U needs a discrete GPU.
✅Includes a boxed cooler (Yes), unlike Ryzen 7 4800U.

Trade-offs

❌Lower PassMark (16,238 vs 16,427).
❌Launch MSRP is still $423 MSRP, while Ryzen 7 4800U mostly shows up through inconsistent older-market listings.
❌333.3% higher power demand at 65W vs 15W.

Ryzen 7 4800U

2020

Why buy it

✅+1.2% higher PassMark.
✅Draws 15W instead of 65W, a 50W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-9900 across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (8 MB vs 16 MB).
❌No integrated graphics, while Core i9-9900 can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike Core i9-9900.

Quick Answers

So, is Ryzen 7 4800U better than Core i9-9900?

It depends on what you want from the system. For gaming, Core i9-9900 is ahead with a 28.9% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 7 4800U pulls ahead with 1.2% better PassMark. Core i9-9900 also has the bigger cache pool with 100% larger total L3 cache (16 MB vs 8 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Ryzen 7 4800U is the stronger fit. You are getting 1.2% better PassMark, backed by 8 cores and 16 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Ryzen 7 4800U is still the faster CPU overall, but Core i9-9900 is easier to justify if budget matters more than peak performance. Ryzen 7 4800U comes in at an unclear MSRP at unclear MSRP versus $423 MSRP, and it still gives you 1.2% better PassMark. The compromise is that Core i9-9900 is still the better pure gaming CPU with a 28.9% average FPS lead across 50 shared CPU game tests in our data. Core i9-9900 is also 100.0% better value on MSRP (38.4 vs 0.0 PassMark/$), 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 4800U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2019) and more multi-core headroom with 8 cores / 16 threads instead of 8/16. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i9-9900 vs Ryzen 7 4800U Technical Specifications

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

Core i9-9900

The Core i9-9900 is manufactured by Intel. It was released in 23 April 2019 (6 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 16 threads. Base frequency is 3.1 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 65 Watt. Memory support: DDR4-2666. Passmark benchmark score: 16,238 points. Launch price was $439.

Ryzen 7 4800U

The Ryzen 7 4800U is manufactured by AMD. It was released in 6 January 2020 (5 years ago). It is based on the Renoir-U (Zen 2) (2020−2021) architecture. It features 8 cores and 16 threads. Base frequency is 1.8 GHz, with boost up to 4.2 GHz. L3 cache: 8 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: FP6. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 16,427 points. Launch price was $299.

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Processing Power

Both the Core i9-9900 and Ryzen 7 4800U share an identical 8-core/16-thread configuration. Boost clocks reach 5 GHz on the Core i9-9900 versus 4.2 GHz on the Ryzen 7 4800U — a 17.4% clock advantage for the Core i9-9900 (base: 3.1 GHz vs 1.8 GHz). The Core i9-9900 uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Ryzen 7 4800U uses Renoir-U (Zen 2) (2020−2021) (7 nm). In PassMark, the Core i9-9900 scores 16,238 against the Ryzen 7 4800U's 16,427 — a 1.2% lead for the Ryzen 7 4800U. L3 cache: 16 MB (total) on the Core i9-9900 vs 8 MB (total) on the Ryzen 7 4800U.

Feature	Core i9-9900	Ryzen 7 4800U
Cores / Threads	8 / 16	8 / 16
Boost Clock	5 GHz+19%	4.2 GHz
Base Clock	3.1 GHz+72%	1.8 GHz
L3 Cache	16 MB (total)+100%	8 MB (total)
L2 Cache	256K (per core)	512 kB (per core)+100%
Process	14 nm	7 nm-50%
Architecture	Coffee Lake-R (2018−2019)	Renoir-U (Zen 2) (2020−2021)
PassMark	16,238	16,427+1%
Cinebench R23 Multi	7,619	—
Geekbench 6 Single	1,637	—
Geekbench 6 Multi	7,619	—

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Memory & Platform

The Core i9-9900 uses the LGA1151 socket (PCIe 3.0), while the Ryzen 7 4800U uses FP6 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i9-9900	Ryzen 7 4800U
Socket	LGA1151	FP6
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2666	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x, VT-d (Core i9-9900) / not specified (Ryzen 7 4800U). The Core i9-9900 includes integrated graphics (UHD Graphics 630), while the Ryzen 7 4800U requires a dedicated GPU.