Core Ultra 7 155U vs Ryzen 7 7800X3D

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.

Core Ultra 7 155U

2023

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 7 shared CPU benchmark tests.
❌Lower PassMark (16,185 vs 34,293).
❌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: +65.1% higher average FPS across 7 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 Core Ultra 7 155U needs a discrete GPU.

Trade-offs

❌Launch MSRP is still $449 MSRP, while Core Ultra 7 155U mostly shows up through inconsistent older-market listings.

Core Ultra 7 155U

2023

Ryzen 7 7800X3D

2023

Why buy it

✅Better for gaming: +65.1% higher average FPS across 7 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 Core Ultra 7 155U needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 7 shared CPU benchmark tests.
❌Lower PassMark (16,185 vs 34,293).
❌No integrated graphics, while Ryzen 7 7800X3D can still boot and troubleshoot without a discrete GPU.

Trade-offs

❌Launch MSRP is still $449 MSRP, while Core Ultra 7 155U mostly shows up through inconsistent older-market listings.

Quick Answers

So, is Ryzen 7 7800X3D better than Core Ultra 7 155U?

Yes. Ryzen 7 7800X3D is the better overall CPU here. You are getting a 65.1% average FPS lead across 7 shared CPU game tests in our data, 111.9% 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 65.1% more average FPS across 7 shared CPU game tests. It also has a big cache advantage at 96 MB vs 12 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 111.9% better PassMark, backed by 8 cores and 16 threads. It also carries the larger cache pool with 700% larger total L3 cache (96 MB vs 12 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 at an unclear MSRP at $449 MSRP versus unclear MSRP, and it gives you a 65.1% average FPS lead across 7 shared CPU game tests in our data. It is also 100.0% better value on MSRP (76.4 vs 0.0 PassMark/$), 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 12 MB and more multi-core headroom with 8 cores / 16 threads instead of 12/14. 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.

Core Ultra 7 155U Benchmark Check

Ryzen 7 7800X3D Benchmark Check

Path of Exile 2

Preset	Core Ultra 7 155U	Ryzen 7 7800X3D
1080p
low	276 FPS	266 FPS
medium	248 FPS	247 FPS
high	209 FPS	211 FPS
ultra	180 FPS	186 FPS
1440p
low	230 FPS	258 FPS
medium	185 FPS	215 FPS
high	152 FPS	171 FPS
ultra	133 FPS	154 FPS
4K
low	160 FPS	179 FPS
medium	130 FPS	149 FPS
high	100 FPS	112 FPS
ultra	88 FPS	100 FPS

Open Core Ultra 7 155U Open Ryzen 7 7800X3D

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core Ultra 7 155U	Ryzen 7 7800X3D
1080p
low	214 FPS	857 FPS
medium	176 FPS	737 FPS
high	159 FPS	580 FPS
ultra	140 FPS	493 FPS
1440p
low	181 FPS	722 FPS
medium	155 FPS	611 FPS
high	143 FPS	500 FPS
ultra	122 FPS	398 FPS
4K
low	141 FPS	396 FPS
medium	124 FPS	339 FPS
high	118 FPS	315 FPS
ultra	101 FPS	273 FPS

Open Core Ultra 7 155U Open Ryzen 7 7800X3D

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core Ultra 7 155U	Ryzen 7 7800X3D
1080p
low	405 FPS	857 FPS
medium	405 FPS	857 FPS
high	405 FPS	857 FPS
ultra	405 FPS	857 FPS
1440p
low	405 FPS	857 FPS
medium	405 FPS	851 FPS
high	405 FPS	786 FPS
ultra	405 FPS	656 FPS
4K
low	405 FPS	558 FPS
medium	405 FPS	479 FPS
high	405 FPS	427 FPS
ultra	342 FPS	362 FPS

Open Core Ultra 7 155U Open Ryzen 7 7800X3D

League of Legends

League of Legends

Valorant

Preset	Core Ultra 7 155U	Ryzen 7 7800X3D
1080p
low	405 FPS	857 FPS
medium	405 FPS	857 FPS
high	405 FPS	857 FPS
ultra	405 FPS	782 FPS
1440p
low	405 FPS	857 FPS
medium	405 FPS	760 FPS
high	405 FPS	669 FPS
ultra	405 FPS	576 FPS
4K
low	405 FPS	618 FPS
medium	405 FPS	556 FPS
high	405 FPS	495 FPS
ultra	403 FPS	428 FPS

Open Core Ultra 7 155U Open Ryzen 7 7800X3D

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core Ultra 7 155U and Ryzen 7 7800X3D

Core Ultra 7 155U

The Core Ultra 7 155U is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Meteor Lake-P (2023) architecture. It features 12 cores and 14 threads. Base frequency is 1.7 GHz, with boost up to 4.8 GHz. L3 cache: 12 MB (total). L2 cache: 2 MB (per core). Built on 7 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): + 12 MB. Memory support: DDR5. Passmark benchmark score: 16,185 points. Launch price was $490.

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.

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Processing Power

The Core Ultra 7 155U packs 12 cores / 14 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Core Ultra 7 155U has 4 more cores. Boost clocks reach 4.8 GHz on the Core Ultra 7 155U versus 5 GHz on the Ryzen 7 7800X3D — a 4.1% clock advantage for the Ryzen 7 7800X3D (base: 1.7 GHz vs 4.4 GHz). The Core Ultra 7 155U uses the Meteor Lake-P (2023) architecture (7 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Core Ultra 7 155U scores 16,185 against the Ryzen 7 7800X3D's 34,293 — a 71.7% lead for the Ryzen 7 7800X3D. L3 cache: 12 MB (total) on the Core Ultra 7 155U vs 96 MB (total) on the Ryzen 7 7800X3D.

Feature	Core Ultra 7 155U	Ryzen 7 7800X3D
Cores / Threads	12 / 14+50%	8 / 16
Boost Clock	4.8 GHz	5 GHz+4%
Base Clock	1.7 GHz	4.4 GHz+159%
L3 Cache	12 MB (total)	96 MB (total)+700%
L2 Cache	2 MB (per core)+100%	1 MB (per core)
Process	7 nm	5 nm-29%
Architecture	Meteor Lake-P (2023)	Raphael (Zen4) (2022−2023)
PassMark	16,185	34,293+112%
Cinebench R23 Multi	—	18,500
Geekbench 6 Single	—	2,700
Geekbench 6 Multi	—	15,000

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Memory & Platform

The Core Ultra 7 155U uses the FCBGA2049 socket (PCIe 5.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Core Ultra 7 155U	Ryzen 7 7800X3D
Socket	FCBGA2049	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 (Core Ultra 7 155U) / AMD-V (Ryzen 7 7800X3D). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the Core Ultra 7 155U requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.