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 120W, a 105W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 7 shared CPU benchmark tests.
❌Lower PassMark (8,897 vs 34,293).
❌Lower PassMark per dollar, at 46.1 vs 76.4 PassMark/$ ($193 MSRP vs $449 MSRP).
❌No integrated graphics, while Ryzen 7 7800X3D can still boot and troubleshoot without a discrete GPU.

Ryzen 7 7800X3D

2023

Why buy it

✅Better for gaming: +140.0% higher average FPS across 7 shared CPU benchmark tests.
✅Delivers 65.7% more PassMark for each dollar spent, at 76.4 vs 46.1 PassMark/$ ($449 MSRP vs $193 MSRP).
✅100+% more PCIe lanes (28 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with AMD Radeon Graphics (2-core), while Processor U300 needs a discrete GPU.

Trade-offs

❌
132.6% HIGHER MSRP
$449 MSRPvs$193 MSRP
❌700% higher power demand at 120W vs 15W.

Processor U300

2023

Ryzen 7 7800X3D

2023

Why buy it

✅Costs $256 less on MSRP ($193 MSRP vs $449 MSRP).
✅Draws 15W instead of 120W, a 105W reduction.

Why buy it

✅Better for gaming: +140.0% higher average FPS across 7 shared CPU benchmark tests.
✅Delivers 65.7% more PassMark for each dollar spent, at 76.4 vs 46.1 PassMark/$ ($449 MSRP vs $193 MSRP).
✅100+% more PCIe lanes (28 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with AMD Radeon Graphics (2-core), while Processor U300 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 7 shared CPU benchmark tests.
❌Lower PassMark (8,897 vs 34,293).
❌Lower PassMark per dollar, at 46.1 vs 76.4 PassMark/$ ($193 MSRP vs $449 MSRP).
❌No integrated graphics, while Ryzen 7 7800X3D can still boot and troubleshoot without a discrete GPU.

Trade-offs

❌
132.6% HIGHER MSRP
$449 MSRPvs$193 MSRP
❌700% higher power demand at 120W vs 15W.

Quick Answers

So, is Ryzen 7 7800X3D better than Processor U300?

Yes. Ryzen 7 7800X3D is the better overall CPU here. You are getting a 140.0% average FPS lead across 7 shared CPU game tests in our data, 285.4% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Ryzen 7 7800X3D is the better pick here. According to our tests, it delivers 140.0% more average FPS across 7 shared CPU game tests. It also has a big cache advantage at 96 MB vs 8 MB.

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

For streaming, content creation, and heavier multitasking, Ryzen 7 7800X3D is the better fit. You are getting 285.4% better PassMark, backed by 8 cores and 16 threads. It also carries the larger cache pool with 1100% larger total L3 cache (96 MB vs 8 MB).

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

Ryzen 7 7800X3D is the smarter buy today. Ryzen 7 7800X3D is 132.6% more expensive on MSRP at $449 MSRP versus $193 MSRP, and it gives you a 140.0% average FPS lead across 7 shared CPU game tests in our data. It is also 65.7% better value on MSRP (76.4 vs 46.1 PassMark/$), 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?

Ryzen 7 7800X3D is the more future-proof choice for 2026 and beyond. You are getting 3D V-Cache and a much larger 96 MB L3 cache instead of 8 MB and more multi-core headroom with 8 cores / 16 threads instead of 5/6. 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 7800X3D Benchmark Check

Path of Exile 2

Preset	Processor U300	Ryzen 7 7800X3D
1080p
low	183 FPS	266 FPS
medium	150 FPS	247 FPS
high	122 FPS	211 FPS
ultra	100 FPS	186 FPS
1440p
low	150 FPS	258 FPS
medium	118 FPS	215 FPS
high	96 FPS	171 FPS
ultra	78 FPS	154 FPS
4K
low	84 FPS	179 FPS
medium	72 FPS	149 FPS
high	57 FPS	112 FPS
ultra	45 FPS	100 FPS

Open Processor U300 Open Ryzen 7 7800X3D

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Processor U300	Ryzen 7 7800X3D
1080p
low	166 FPS	857 FPS
medium	137 FPS	737 FPS
high	126 FPS	580 FPS
ultra	110 FPS	493 FPS
1440p
low	146 FPS	722 FPS
medium	123 FPS	611 FPS
high	115 FPS	500 FPS
ultra	99 FPS	398 FPS
4K
low	113 FPS	396 FPS
medium	98 FPS	339 FPS
high	85 FPS	315 FPS
ultra	72 FPS	273 FPS

Open Processor U300 Open Ryzen 7 7800X3D

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Processor U300	Ryzen 7 7800X3D
1080p
low	222 FPS	857 FPS
medium	222 FPS	857 FPS
high	222 FPS	857 FPS
ultra	222 FPS	857 FPS
1440p
low	222 FPS	857 FPS
medium	222 FPS	851 FPS
high	222 FPS	786 FPS
ultra	222 FPS	656 FPS
4K
low	222 FPS	558 FPS
medium	222 FPS	479 FPS
high	206 FPS	427 FPS
ultra	163 FPS	362 FPS

Open Processor U300 Open Ryzen 7 7800X3D

League of Legends

League of Legends

Valorant

Preset	Processor U300	Ryzen 7 7800X3D
1080p
low	222 FPS	857 FPS
medium	222 FPS	857 FPS
high	222 FPS	857 FPS
ultra	222 FPS	782 FPS
1440p
low	222 FPS	857 FPS
medium	222 FPS	760 FPS
high	222 FPS	669 FPS
ultra	222 FPS	576 FPS
4K
low	222 FPS	618 FPS
medium	222 FPS	556 FPS
high	222 FPS	495 FPS
ultra	222 FPS	428 FPS

Open Processor U300 Open Ryzen 7 7800X3D

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Processor U300 and Ryzen 7 7800X3D

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 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.

⚡

Processing Power

The Processor U300 packs 5 cores / 6 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Ryzen 7 7800X3D has 3 more cores. Boost clocks reach 4.4 GHz on the Processor U300 versus 5 GHz on the Ryzen 7 7800X3D — a 12.8% clock advantage for the Ryzen 7 7800X3D (base: 1.2 GHz vs 4.4 GHz). The Processor U300 uses the Raptor Lake-U (2023) architecture (10 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Processor U300 scores 8,897 against the Ryzen 7 7800X3D's 34,293 — a 117.6% lead for the Ryzen 7 7800X3D. L3 cache: 8 MB (total) on the Processor U300 vs 96 MB (total) on the Ryzen 7 7800X3D.

Feature	Processor U300	Ryzen 7 7800X3D
Cores / Threads	5 / 6	8 / 16+60%
Boost Clock	4.4 GHz	5 GHz+14%
Base Clock	1.2 GHz	4.4 GHz+267%
L3 Cache	8 MB (total)	96 MB (total)+1100%
L2 Cache	1.25 MB (per core)+25%	1 MB (per core)
Process	10 nm	5 nm-50%
Architecture	Raptor Lake-U (2023)	Raphael (Zen4) (2022−2023)
PassMark	8,897	34,293+285%
Cinebench R23 Multi	—	18,500
Geekbench 6 Single	—	2,700
Geekbench 6 Multi	—	15,000

🧠

Memory & Platform

The Processor U300 uses the FCBGA1744 socket (PCIe 5.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Processor U300	Ryzen 7 7800X3D
Socket	FCBGA1744	AM5
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	—	DDR5-5200
Max RAM Capacity	—	128 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	28

🔧

Advanced Features

Virtualization: not specified (Processor U300) / AMD-V (Ryzen 7 7800X3D). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the Processor U300 requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.

Feature	Processor U300	Ryzen 7 7800X3D
Integrated GPU	—	Yes
IGPU Model	—	AMD Radeon Graphics (2-core)
Unlocked	—	Yes
AVX-512	—	Yes
Virtualization	—	AMD-V
Target Use	—	Gaming

💰

Value Analysis

The Processor U300 launched at $193 MSRP, while the Ryzen 7 7800X3D 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 76.4 pts/$ for the Ryzen 7 7800X3D — making the Ryzen 7 7800X3D the 49.4% better value option.