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 265K

2024

Why buy it

✅Better for gaming: +36.2% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $90 less on MSRP ($309 MSRP vs $399 MSRP).
✅Delivers 223.8% more PassMark for each dollar spent, at 190.3 vs 58.7 PassMark/$ ($309 MSRP vs $399 MSRP).
✅Newer platform on LGA1851 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with Arc Graphics 64EU, while Ryzen 7 3800XT needs a discrete GPU.

Trade-offs

❌19% higher power demand at 125W vs 105W.

Ryzen 7 3800XT

2020

Why buy it

✅Draws 105W instead of 125W, a 20W reduction.
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 7 265K across 4 shared CPU benchmark tests.
❌Lower PassMark (23,441 vs 58,789).
❌Lower PassMark per dollar, at 58.7 vs 190.3 PassMark/$ ($399 MSRP vs $309 MSRP).
❌Older platform position on AM4 with DDR4, while Core Ultra 7 265K moves to LGA1851 and DDR5.
❌No integrated graphics, while Core Ultra 7 265K can still boot and troubleshoot without a discrete GPU.

Core Ultra 7 265K

2024

Ryzen 7 3800XT

2020

Why buy it

✅Better for gaming: +36.2% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $90 less on MSRP ($309 MSRP vs $399 MSRP).
✅Delivers 223.8% more PassMark for each dollar spent, at 190.3 vs 58.7 PassMark/$ ($309 MSRP vs $399 MSRP).
✅Newer platform on LGA1851 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with Arc Graphics 64EU, while Ryzen 7 3800XT needs a discrete GPU.

Why buy it

✅Draws 105W instead of 125W, a 20W reduction.
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌19% higher power demand at 125W vs 105W.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 7 265K across 4 shared CPU benchmark tests.
❌Lower PassMark (23,441 vs 58,789).
❌Lower PassMark per dollar, at 58.7 vs 190.3 PassMark/$ ($399 MSRP vs $309 MSRP).
❌Older platform position on AM4 with DDR4, while Core Ultra 7 265K moves to LGA1851 and DDR5.
❌No integrated graphics, while Core Ultra 7 265K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core Ultra 7 265K better than Ryzen 7 3800XT?

Yes. Core Ultra 7 265K is the better overall CPU here. You are getting a 36.2% average FPS lead across 4 shared CPU game tests in our data, 150.8% 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, Core Ultra 7 265K is the better pick here. According to our tests, it delivers 36.2% more average FPS across 4 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Core Ultra 7 265K is the better fit. You are getting 150.8% better PassMark, backed by 20 cores and 20 threads.

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

Core Ultra 7 265K is the smarter buy today. Core Ultra 7 265K is $90 cheaper on MSRP at $309 MSRP versus $399 MSRP, and it gives you a 36.2% average FPS lead across 4 shared CPU game tests in our data. It is also 223.8% better value on MSRP (190.3 vs 58.7 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper. That said, if you already own a compatible AM4 + DDR4 setup, Ryzen 7 3800XT can still make sense as a platform-matched option because it avoids a motherboard and RAM swap, but on MSRP alone you would want to find it meaningfully cheaper in real-world listings before that path becomes easy to justify.

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

Core Ultra 7 265K is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2020), a healthier platform with LGA1851 and DDR5 instead of AM4, and more multi-core headroom with 20 cores / 20 threads instead of 8/16. 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 265K Benchmark Check

Ryzen 7 3800XT Benchmark Check

Path of Exile 2

Preset	Core Ultra 7 265K	Ryzen 7 3800XT
1080p
low	305 FPS	172 FPS
medium	290 FPS	145 FPS
high	244 FPS	129 FPS
ultra	205 FPS	106 FPS
1440p
low	240 FPS	147 FPS
medium	201 FPS	119 FPS
high	163 FPS	100 FPS
ultra	142 FPS	82 FPS
4K
low	158 FPS	82 FPS
medium	132 FPS	72 FPS
high	102 FPS	58 FPS
ultra	89 FPS	45 FPS

Open Core Ultra 7 265K Open Ryzen 7 3800XT

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core Ultra 7 265K	Ryzen 7 3800XT
1080p
low	778 FPS	586 FPS
medium	656 FPS	502 FPS
high	548 FPS	387 FPS
ultra	491 FPS	341 FPS
1440p
low	673 FPS	507 FPS
medium	595 FPS	439 FPS
high	499 FPS	353 FPS
ultra	422 FPS	296 FPS
4K
low	395 FPS	315 FPS
medium	357 FPS	275 FPS
high	335 FPS	240 FPS
ultra	292 FPS	207 FPS

Open Core Ultra 7 265K Open Ryzen 7 3800XT

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core Ultra 7 265K	Ryzen 7 3800XT
1080p
low	851 FPS	586 FPS
medium	694 FPS	586 FPS
high	617 FPS	554 FPS
ultra	528 FPS	459 FPS
1440p
low	731 FPS	586 FPS
medium	599 FPS	562 FPS
high	521 FPS	485 FPS
ultra	442 FPS	405 FPS
4K
low	517 FPS	504 FPS
medium	436 FPS	414 FPS
high	396 FPS	367 FPS
ultra	337 FPS	301 FPS

Open Core Ultra 7 265K Open Ryzen 7 3800XT

League of Legends

League of Legends

Valorant

Preset	Core Ultra 7 265K	Ryzen 7 3800XT
1080p
low	1128 FPS	586 FPS
medium	1015 FPS	586 FPS
high	889 FPS	586 FPS
ultra	808 FPS	586 FPS
1440p
low	892 FPS	586 FPS
medium	789 FPS	586 FPS
high	687 FPS	586 FPS
ultra	611 FPS	547 FPS
4K
low	604 FPS	570 FPS
medium	542 FPS	510 FPS
high	489 FPS	460 FPS
ultra	432 FPS	398 FPS

Open Core Ultra 7 265K Open Ryzen 7 3800XT

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core Ultra 7 265K and Ryzen 7 3800XT

Core Ultra 7 265K

The Core Ultra 7 265K is manufactured by Intel. It was released in 24 October 2024 (1 year ago). It is based on the Arrow Lake-S (2024−2025) architecture. It features 20 cores and 20 threads. Base frequency is 3.9 GHz, with boost up to 5.5 GHz. L3 cache: 30 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: LGA1851. Thermal design power (TDP): 125 Watt. Memory support: DDR5-6400. Passmark benchmark score: 58,789 points. Launch price was $394.

Ryzen 7 3800XT

The Ryzen 7 3800XT is manufactured by AMD. It was released in 7 July 2020 (5 years ago). It is based on the Matisse (Zen 2) (2019−2020) 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: 23,441 points. Launch price was $399.

⚡

Processing Power

The Core Ultra 7 265K packs 20 cores / 20 threads, while the Ryzen 7 3800XT offers 8 cores / 16 threads — the Core Ultra 7 265K has 12 more cores. Boost clocks reach 5.5 GHz on the Core Ultra 7 265K versus 4.7 GHz on the Ryzen 7 3800XT — a 15.7% clock advantage for the Core Ultra 7 265K (base: 3.9 GHz vs 3.8 GHz). The Core Ultra 7 265K uses the Arrow Lake-S (2024−2025) architecture (3 nm), while the Ryzen 7 3800XT uses Matisse (Zen 2) (2019−2020) (7 nm, 12 nm). In PassMark, the Core Ultra 7 265K scores 58,789 against the Ryzen 7 3800XT's 23,441 — a 86% lead for the Core Ultra 7 265K. L3 cache: 30 MB (total) on the Core Ultra 7 265K vs 32 MB on the Ryzen 7 3800XT.

Feature	Core Ultra 7 265K	Ryzen 7 3800XT
Cores / Threads	20 / 20+150%	8 / 16
Boost Clock	5.5 GHz+17%	4.7 GHz
Base Clock	3.9 GHz+3%	3.8 GHz
L3 Cache	30 MB (total)	32 MB+7%
L2 Cache	3 MB (per core)+500%	512K (per core)
Process	3 nm-57%	7 nm, 12 nm
Architecture	Arrow Lake-S (2024−2025)	Matisse (Zen 2) (2019−2020)
PassMark	58,789+151%	23,441
Cinebench R23 Multi	36,309	—
Geekbench 6 Single	3,283	—
Geekbench 6 Multi	22,293	—

🧠

Memory & Platform

The Core Ultra 7 265K uses the LGA1851 socket (PCIe 5.0), while the Ryzen 7 3800XT uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 7 265K versus DDR4-3200 on the Ryzen 7 3800XT — the Core Ultra 7 265K supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core Ultra 7 265K supports up to 256 GB of RAM compared to 128 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core Ultra 7 265K) vs 24 (Ryzen 7 3800XT) — the Ryzen 7 3800XT offers 4 more lanes for additional GPUs or NVMe drives.

Feature	Core Ultra 7 265K	Ryzen 7 3800XT
Socket	LGA1851	AM4
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-6400+25%	DDR4-3200
Max RAM Capacity	256 GB+100%	128 GB
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	20	24+20%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Core Ultra 7 265K supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core Ultra 7 265K) vs AMD-V (Ryzen 7 3800XT). The Core Ultra 7 265K includes integrated graphics (Arc Graphics 64EU), while the Ryzen 7 3800XT requires a dedicated GPU. Primary use case: Ryzen 7 3800XT targets Desktop.

Feature	Core Ultra 7 265K	Ryzen 7 3800XT
Integrated GPU	Yes	No
IGPU Model	Arc Graphics 64EU	—
Unlocked	Yes	Yes
AVX-512	Yes	No
Virtualization	VT-x, VT-d	AMD-V
Target Use	—	Desktop

💰

Value Analysis

The Core Ultra 7 265K launched at $309 MSRP, while the Ryzen 7 3800XT debuted at $399. On MSRP ($309 vs $399), the Core Ultra 7 265K is $90 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core Ultra 7 265K delivers 190.3 pts/$ vs 58.7 pts/$ for the Ryzen 7 3800XT — making the Core Ultra 7 265K the 105.6% better value option.