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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Processor U300

2023

Why buy it

✅Costs $256 less on MSRP ($193 MSRP vs $449 MSRP).
✅Draws 15W instead of 105W, a 90W reduction.
✅Newer platform on FCBGA1744 with DDR5 support instead of AM4 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 5800X across 47 shared CPU benchmark tests.
❌Lower PassMark (8,897 vs 27,712).
❌Smaller total L3 cache (8 MB vs 32 MB).
❌Lower PassMark per dollar, at 46.1 vs 61.7 PassMark/$ ($193 MSRP vs $449 MSRP).

Ryzen 7 5800X

2020

Why buy it

✅Better for gaming: +89.8% higher average FPS across 47 shared CPU benchmark tests.
✅+300% larger total L3 cache (32 MB vs 8 MB).
✅Delivers 33.9% more PassMark for each dollar spent, at 61.7 vs 46.1 PassMark/$ ($449 MSRP vs $193 MSRP).
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌
132.6% HIGHER MSRP
$449 MSRPvs$193 MSRP
❌600% higher power demand at 105W vs 15W.
❌Older platform position on AM4 with DDR4, while Processor U300 moves to FCBGA1744 and DDR5.

Processor U300

2023

Ryzen 7 5800X

2020

Why buy it

✅Costs $256 less on MSRP ($193 MSRP vs $449 MSRP).
✅Draws 15W instead of 105W, a 90W reduction.
✅Newer platform on FCBGA1744 with DDR5 support instead of AM4 and DDR4.

Why buy it

✅Better for gaming: +89.8% higher average FPS across 47 shared CPU benchmark tests.
✅+300% larger total L3 cache (32 MB vs 8 MB).
✅Delivers 33.9% more PassMark for each dollar spent, at 61.7 vs 46.1 PassMark/$ ($449 MSRP vs $193 MSRP).
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 5800X across 47 shared CPU benchmark tests.
❌Lower PassMark (8,897 vs 27,712).
❌Smaller total L3 cache (8 MB vs 32 MB).
❌Lower PassMark per dollar, at 46.1 vs 61.7 PassMark/$ ($193 MSRP vs $449 MSRP).

Trade-offs

❌
132.6% HIGHER MSRP
$449 MSRPvs$193 MSRP
❌600% higher power demand at 105W vs 15W.
❌Older platform position on AM4 with DDR4, while Processor U300 moves to FCBGA1744 and DDR5.

Quick Answers

So, is Ryzen 7 5800X better than Processor U300?

Yes. Ryzen 7 5800X is the better overall CPU here. You are getting a 89.8% average FPS lead across 47 shared CPU game tests in our data and 211.5% better PassMark, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Ryzen 7 5800X is the better pick here. According to our tests, it delivers 89.8% more average FPS across 47 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Ryzen 7 5800X is the better fit. You are getting 211.5% better PassMark, backed by 8 cores and 16 threads. It also carries the larger cache pool with 300% larger total L3 cache (32 MB vs 8 MB).

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

Ryzen 7 5800X is the smarter buy today. Ryzen 7 5800X is 132.6% more expensive on MSRP at $449 MSRP versus $193 MSRP, and it gives you a 89.8% average FPS lead across 47 shared CPU game tests in our data. It is also 33.9% better value on MSRP (61.7 vs 46.1 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

Which one is more future-proof for 2026 and beyond?

Processor U300 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020) and a healthier platform with FCBGA1744 and DDR5 instead of AM4. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Processor U300 Benchmark Check

Ryzen 7 5800X Benchmark Check

Path of Exile 2

Preset	Processor U300	Ryzen 7 5800X
1080p
low	183 FPS	206 FPS
medium	150 FPS	178 FPS
high	122 FPS	146 FPS
ultra	100 FPS	110 FPS
1440p
low	150 FPS	170 FPS
medium	118 FPS	142 FPS
high	96 FPS	115 FPS
ultra	78 FPS	88 FPS
4K
low	84 FPS	83 FPS
medium	72 FPS	74 FPS
high	57 FPS	59 FPS
ultra	45 FPS	46 FPS

Open Processor U300 Open Ryzen 7 5800X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Processor U300	Ryzen 7 5800X
1080p
low	166 FPS	662 FPS
medium	137 FPS	558 FPS
high	126 FPS	466 FPS
ultra	110 FPS	417 FPS
1440p
low	146 FPS	563 FPS
medium	123 FPS	493 FPS
high	115 FPS	423 FPS
ultra	99 FPS	361 FPS
4K
low	113 FPS	350 FPS
medium	98 FPS	308 FPS
high	85 FPS	288 FPS
ultra	72 FPS	250 FPS

Open Processor U300 Open Ryzen 7 5800X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Processor U300	Ryzen 7 5800X
1080p
low	222 FPS	693 FPS
medium	222 FPS	651 FPS
high	222 FPS	570 FPS
ultra	222 FPS	464 FPS
1440p
low	222 FPS	693 FPS
medium	222 FPS	573 FPS
high	222 FPS	498 FPS
ultra	222 FPS	413 FPS
4K
low	222 FPS	484 FPS
medium	222 FPS	410 FPS
high	206 FPS	363 FPS
ultra	163 FPS	302 FPS

Open Processor U300 Open Ryzen 7 5800X

League of Legends

League of Legends

Valorant

Preset	Processor U300	Ryzen 7 5800X
1080p
low	222 FPS	693 FPS
medium	222 FPS	693 FPS
high	222 FPS	693 FPS
ultra	222 FPS	693 FPS
1440p
low	222 FPS	693 FPS
medium	222 FPS	693 FPS
high	222 FPS	672 FPS
ultra	222 FPS	593 FPS
4K
low	222 FPS	604 FPS
medium	222 FPS	550 FPS
high	222 FPS	495 FPS
ultra	222 FPS	436 FPS

Open Processor U300 Open Ryzen 7 5800X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Processor U300 and Ryzen 7 5800X

Processor U300

The Processor U300 is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-U (2023) architecture. It features 5 cores and 6 threads. Base frequency is 1.2 GHz, with boost up to 4.4 GHz. L3 cache: 8 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR4, DDR5 Dual-channel. Passmark benchmark score: 8,897 points. Launch price was $193.

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.

⚡

Processing Power

The Processor U300 packs 5 cores / 6 threads, while the Ryzen 7 5800X offers 8 cores / 16 threads — the Ryzen 7 5800X has 3 more cores. Boost clocks reach 4.4 GHz on the Processor U300 versus 4.7 GHz on the Ryzen 7 5800X — a 6.6% clock advantage for the Ryzen 7 5800X (base: 1.2 GHz vs 3.8 GHz). The Processor U300 uses the Raptor Lake-U (2023) architecture (10 nm), while the Ryzen 7 5800X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Processor U300 scores 8,897 against the Ryzen 7 5800X's 27,712 — a 102.8% lead for the Ryzen 7 5800X. L3 cache: 8 MB (total) on the Processor U300 vs 32 MB on the Ryzen 7 5800X.

Feature	Processor U300	Ryzen 7 5800X
Cores / Threads	5 / 6	8 / 16+60%
Boost Clock	4.4 GHz	4.7 GHz+7%
Base Clock	1.2 GHz	3.8 GHz+217%
L3 Cache	8 MB (total)	32 MB+300%
L2 Cache	1.25 MB (per core)+150%	512K (per core)
Process	10 nm	7 nm, 12 nm-30%
Architecture	Raptor Lake-U (2023)	Vermeer (Zen 3) (2020−2022)
PassMark	8,897	27,712+211%

🧠

Memory & Platform

The Processor U300 uses the FCBGA1744 socket (PCIe 5.0), while the Ryzen 7 5800X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Processor U300	Ryzen 7 5800X
Socket	FCBGA1744	AM4
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	—	DDR4-3200
Max RAM Capacity	—	128 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	24

🔧

Advanced Features

Virtualization: not specified (Processor U300) / AMD-V (Ryzen 7 5800X). Primary use case: Ryzen 7 5800X targets Desktop.

Feature	Processor U300	Ryzen 7 5800X
Integrated GPU	—	No
Unlocked	—	Yes
AVX-512	—	No
Virtualization	—	AMD-V
Target Use	—	Desktop

💰

Value Analysis

The Processor U300 launched at $193 MSRP, while the Ryzen 7 5800X debuted at $449. On MSRP ($193 vs $449), the Processor U300 is $256 cheaper. In terms of value on MSRP (PassMark points per dollar), the Processor U300 delivers 46.1 pts/$ vs 61.7 pts/$ for the Ryzen 7 5800X — making the Ryzen 7 5800X the 29% better value option.