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: +8.0% higher average FPS across 3 shared CPU benchmark tests.
✅Costs $3,274 less on MSRP ($309 MSRP vs $3,583 MSRP).
✅Delivers 1027.7% more PassMark for each dollar spent, at 190.3 vs 16.9 PassMark/$ ($309 MSRP vs $3,583 MSRP).
✅Draws 125W instead of 225W, a 100W reduction.
✅Integrated graphics onboard with Arc Graphics 64EU, while Xeon Gold 6448Y needs a discrete GPU.

Trade-offs

❌Lower PassMark (58,789 vs 60,449).
❌Smaller total L3 cache (30 MB vs 60 MB).
❌Less compelling for workstation-style loads than Xeon Gold 6448Y, which brings 32 cores / 64 threads and 80 PCIe lanes.

Xeon Gold 6448Y

2023

Why buy it

✅+2.8% higher PassMark.
✅+100% larger total L3 cache (60 MB vs 30 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 80 PCIe lanes vs 20.
✅300% more PCIe lanes (80 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 7 265K across 3 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 16.9 vs 190.3 PassMark/$ ($3,583 MSRP vs $309 MSRP).
❌80% higher power demand at 225W vs 125W.
❌No integrated graphics, while Core Ultra 7 265K can still boot and troubleshoot without a discrete GPU.

Core Ultra 7 265K

2024

Xeon Gold 6448Y

2023

Why buy it

✅Better for gaming: +8.0% higher average FPS across 3 shared CPU benchmark tests.
✅Costs $3,274 less on MSRP ($309 MSRP vs $3,583 MSRP).
✅Delivers 1027.7% more PassMark for each dollar spent, at 190.3 vs 16.9 PassMark/$ ($309 MSRP vs $3,583 MSRP).
✅Draws 125W instead of 225W, a 100W reduction.
✅Integrated graphics onboard with Arc Graphics 64EU, while Xeon Gold 6448Y needs a discrete GPU.

Why buy it

✅+2.8% higher PassMark.
✅+100% larger total L3 cache (60 MB vs 30 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 80 PCIe lanes vs 20.
✅300% more PCIe lanes (80 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (58,789 vs 60,449).
❌Smaller total L3 cache (30 MB vs 60 MB).
❌Less compelling for workstation-style loads than Xeon Gold 6448Y, which brings 32 cores / 64 threads and 80 PCIe lanes.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 7 265K across 3 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 16.9 vs 190.3 PassMark/$ ($3,583 MSRP vs $309 MSRP).
❌80% higher power demand at 225W vs 125W.
❌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 Xeon Gold 6448Y?

Not in a simple one-size-fits-all way. Xeon Gold 6448Y makes more sense for workstation-style multi-core throughput, while Core Ultra 7 265K is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

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

For streaming, content creation, and heavier multitasking, Xeon Gold 6448Y is the better fit. You are getting 2.8% better PassMark, backed by 32 cores and 64 threads. It also carries the larger cache pool with 100% larger total L3 cache (60 MB vs 30 MB).

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 $3,274 cheaper on MSRP at $309 MSRP versus $3,583 MSRP, and it gives you a 8.0% average FPS lead across 3 shared CPU game tests in our data. The trade-off is that Xeon Gold 6448Y is still stronger for heavier multi-core work with 2.8% better PassMark. It is also 1027.7% better value on MSRP (190.3 vs 16.9 PassMark/$), 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?

Core Ultra 7 265K is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2023). 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

Xeon Gold 6448Y Benchmark Check

Path of Exile 2

Preset	Core Ultra 7 265K	Xeon Gold 6448Y
1080p
low	305 FPS	200 FPS
medium	290 FPS	165 FPS
high	244 FPS	137 FPS
ultra	205 FPS	107 FPS
1440p
low	240 FPS	159 FPS
medium	201 FPS	124 FPS
high	163 FPS	98 FPS
ultra	142 FPS	77 FPS
4K
low	158 FPS	73 FPS
medium	132 FPS	61 FPS
high	102 FPS	48 FPS
ultra	89 FPS	39 FPS

Open Core Ultra 7 265K Open Xeon Gold 6448Y

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core Ultra 7 265K	Xeon Gold 6448Y
1080p
low	778 FPS	303 FPS
medium	656 FPS	269 FPS
high	548 FPS	224 FPS
ultra	491 FPS	199 FPS
1440p
low	673 FPS	261 FPS
medium	595 FPS	234 FPS
high	499 FPS	201 FPS
ultra	422 FPS	168 FPS
4K
low	395 FPS	163 FPS
medium	357 FPS	149 FPS
high	335 FPS	138 FPS
ultra	292 FPS	124 FPS

Open Core Ultra 7 265K Open Xeon Gold 6448Y

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core Ultra 7 265K	Xeon Gold 6448Y
1080p
low	851 FPS	1025 FPS
medium	694 FPS	1006 FPS
high	617 FPS	929 FPS
ultra	528 FPS	843 FPS
1440p
low	731 FPS	878 FPS
medium	599 FPS	780 FPS
high	521 FPS	710 FPS
ultra	442 FPS	638 FPS
4K
low	517 FPS	550 FPS
medium	436 FPS	453 FPS
high	396 FPS	392 FPS
ultra	337 FPS	321 FPS

Open Core Ultra 7 265K Open Xeon Gold 6448Y

League of Legends

League of Legends

Valorant

Preset	Core Ultra 7 265K	Xeon Gold 6448Y
1080p
low	1128 FPS	972 FPS
medium	1015 FPS	875 FPS
high	889 FPS	756 FPS
ultra	808 FPS	649 FPS
1440p
low	892 FPS	754 FPS
medium	789 FPS	661 FPS
high	687 FPS	568 FPS
ultra	611 FPS	488 FPS
4K
low	604 FPS	549 FPS
medium	542 FPS	489 FPS
high	489 FPS	430 FPS
ultra	432 FPS	367 FPS

Open Core Ultra 7 265K Open Xeon Gold 6448Y

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core Ultra 7 265K and Xeon Gold 6448Y

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.

Xeon Gold 6448Y

The Xeon Gold 6448Y is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 32 cores and 64 threads. Base frequency is 2.1 GHz, with boost up to 4.1 GHz. L3 cache: 60 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 225 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 60,449 points. Launch price was $3,583.

⚡

Processing Power

The Core Ultra 7 265K packs 20 cores / 20 threads, while the Xeon Gold 6448Y offers 32 cores / 64 threads — the Xeon Gold 6448Y has 12 more cores. Boost clocks reach 5.5 GHz on the Core Ultra 7 265K versus 4.1 GHz on the Xeon Gold 6448Y — a 29.2% clock advantage for the Core Ultra 7 265K (base: 3.9 GHz vs 2.1 GHz). The Core Ultra 7 265K uses the Arrow Lake-S (2024−2025) architecture (3 nm), while the Xeon Gold 6448Y uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Core Ultra 7 265K scores 58,789 against the Xeon Gold 6448Y's 60,449 — a 2.8% lead for the Xeon Gold 6448Y. L3 cache: 30 MB (total) on the Core Ultra 7 265K vs 60 MB on the Xeon Gold 6448Y.

Feature	Core Ultra 7 265K	Xeon Gold 6448Y
Cores / Threads	20 / 20	32 / 64+60%
Boost Clock	5.5 GHz+34%	4.1 GHz
Base Clock	3.9 GHz+86%	2.1 GHz
L3 Cache	30 MB (total)	60 MB+100%
L2 Cache	3 MB (per core)+50%	2 MB (per core)
Process	3 nm-57%	Intel 7 nm
Architecture	Arrow Lake-S (2024−2025)	Sapphire Rapids (2023−2024)
PassMark	58,789	60,449+3%
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 Xeon Gold 6448Y uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 7 265K versus 4800 on the Xeon Gold 6448Y — the Xeon Gold 6448Y supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6448Y supports up to 4096 of RAM compared to 256 GB — 176.5% more capacity for professional workloads. Memory channels: 2 (Core Ultra 7 265K) vs 8 (Xeon Gold 6448Y). PCIe lanes: 20 (Core Ultra 7 265K) vs 80 (Xeon Gold 6448Y) — the Xeon Gold 6448Y offers 60 more lanes for additional GPUs or NVMe drives. Chipset compatibility: LGA1851 (Core Ultra 7 265K) and C741 (Xeon Gold 6448Y).

Feature	Core Ultra 7 265K	Xeon Gold 6448Y
Socket	LGA1851	LGA4677
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-6400	4800+95900%
Max RAM Capacity	256 GB+6553500%	4096
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	20	80+300%

🔧

Advanced Features

Only the Core Ultra 7 265K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d virtualization. The Core Ultra 7 265K includes integrated graphics (Arc Graphics 64EU), while the Xeon Gold 6448Y requires a dedicated GPU. Direct competitor: Xeon Gold 6448Y rivals EPYC 9354.

Feature	Core Ultra 7 265K	Xeon Gold 6448Y
Integrated GPU	Yes	No
IGPU Model	Arc Graphics 64EU	None
Unlocked	Yes	No
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d

💰

Value Analysis

The Core Ultra 7 265K launched at $309 MSRP, while the Xeon Gold 6448Y debuted at $3583. On MSRP ($309 vs $3583), the Core Ultra 7 265K is $3274 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core Ultra 7 265K delivers 190.3 pts/$ vs 16.9 pts/$ for the Xeon Gold 6448Y — making the Core Ultra 7 265K the 167.4% better value option.