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 9 285K

2024

Why buy it

✅Better for gaming: +33.4% higher average FPS across 3 shared CPU benchmark tests.
✅Costs $3,406 less on MSRP ($589 MSRP vs $3,995 MSRP).
✅Delivers 566.8% more PassMark for each dollar spent, at 114.6 vs 17.2 PassMark/$ ($589 MSRP vs $3,995 MSRP).
✅Draws 125W instead of 205W, a 80W reduction.
✅Newer platform on LGA1851 with DDR5 support instead of LGA4189 and DDR4.

Trade-offs

❌Lower PassMark (67,482 vs 68,643).
❌Smaller total L3 cache (36 MB vs 48 MB).
❌Less compelling for workstation-style loads than Xeon Platinum 8352Y, which brings 32 cores / 64 threads and 64 PCIe lanes.

Xeon Platinum 8352Y

2021

Why buy it

✅+1.7% higher PassMark.
✅+33.3% larger total L3 cache (48 MB vs 36 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 64 PCIe lanes vs 24.
✅166.7% more PCIe lanes (64 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 9 285K across 3 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 17.2 vs 114.6 PassMark/$ ($3,995 MSRP vs $589 MSRP).
❌64% higher power demand at 205W vs 125W.
❌Older platform position on LGA4189 with DDR4, while Core Ultra 9 285K moves to LGA1851 and DDR5.
❌No integrated graphics, while Core Ultra 9 285K can still boot and troubleshoot without a discrete GPU.

Core Ultra 9 285K

2024

Xeon Platinum 8352Y

2021

Why buy it

✅Better for gaming: +33.4% higher average FPS across 3 shared CPU benchmark tests.
✅Costs $3,406 less on MSRP ($589 MSRP vs $3,995 MSRP).
✅Delivers 566.8% more PassMark for each dollar spent, at 114.6 vs 17.2 PassMark/$ ($589 MSRP vs $3,995 MSRP).
✅Draws 125W instead of 205W, a 80W reduction.
✅Newer platform on LGA1851 with DDR5 support instead of LGA4189 and DDR4.

Why buy it

✅+1.7% higher PassMark.
✅+33.3% larger total L3 cache (48 MB vs 36 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 64 PCIe lanes vs 24.
✅166.7% more PCIe lanes (64 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (67,482 vs 68,643).
❌Smaller total L3 cache (36 MB vs 48 MB).
❌Less compelling for workstation-style loads than Xeon Platinum 8352Y, which brings 32 cores / 64 threads and 64 PCIe lanes.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 9 285K across 3 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 17.2 vs 114.6 PassMark/$ ($3,995 MSRP vs $589 MSRP).
❌64% higher power demand at 205W vs 125W.
❌Older platform position on LGA4189 with DDR4, while Core Ultra 9 285K moves to LGA1851 and DDR5.
❌No integrated graphics, while Core Ultra 9 285K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core Ultra 9 285K better than Xeon Platinum 8352Y?

Not in a simple one-size-fits-all way. Xeon Platinum 8352Y makes more sense for workstation-style multi-core throughput, while Core Ultra 9 285K 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 Platinum 8352Y is the better fit. You are getting 1.7% better PassMark, backed by 32 cores and 64 threads. It also carries the larger cache pool with 33.3% larger total L3 cache (48 MB vs 36 MB).

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

Core Ultra 9 285K is the smarter buy today. Core Ultra 9 285K is $3,406 cheaper on MSRP at $589 MSRP versus $3,995 MSRP, and it gives you a 33.4% average FPS lead across 3 shared CPU game tests in our data. The trade-off is that Xeon Platinum 8352Y is still stronger for heavier multi-core work with 1.7% better PassMark. It is also 566.8% better value on MSRP (114.6 vs 17.2 PassMark/$), 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 9 285K is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2021) and a healthier platform with LGA1851 and DDR5 instead of LGA4189. 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 9 285K Benchmark Check

Xeon Platinum 8352Y Benchmark Check

Path of Exile 2

Preset	Core Ultra 9 285K	Xeon Platinum 8352Y
1080p
low	341 FPS	189 FPS
medium	323 FPS	152 FPS
high	267 FPS	122 FPS
ultra	226 FPS	95 FPS
1440p
low	288 FPS	154 FPS
medium	239 FPS	120 FPS
high	184 FPS	92 FPS
ultra	162 FPS	74 FPS
4K
low	188 FPS	72 FPS
medium	155 FPS	60 FPS
high	115 FPS	46 FPS
ultra	103 FPS	38 FPS

Open Core Ultra 9 285K Open Xeon Platinum 8352Y

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core Ultra 9 285K	Xeon Platinum 8352Y
1080p
low	899 FPS	233 FPS
medium	778 FPS	208 FPS
high	623 FPS	173 FPS
ultra	544 FPS	139 FPS
1440p
low	756 FPS	199 FPS
medium	677 FPS	181 FPS
high	557 FPS	154 FPS
ultra	447 FPS	119 FPS
4K
low	421 FPS	124 FPS
medium	383 FPS	115 FPS
high	358 FPS	101 FPS
ultra	310 FPS	82 FPS

Open Core Ultra 9 285K Open Xeon Platinum 8352Y

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core Ultra 9 285K	Xeon Platinum 8352Y
1080p
low	879 FPS	969 FPS
medium	718 FPS	848 FPS
high	637 FPS	802 FPS
ultra	545 FPS	712 FPS
1440p
low	750 FPS	775 FPS
medium	616 FPS	669 FPS
high	534 FPS	632 FPS
ultra	458 FPS	561 FPS
4K
low	534 FPS	498 FPS
medium	459 FPS	393 FPS
high	415 FPS	350 FPS
ultra	352 FPS	285 FPS

Open Core Ultra 9 285K Open Xeon Platinum 8352Y

League of Legends

League of Legends

Valorant

Preset	Core Ultra 9 285K	Xeon Platinum 8352Y
1080p
low	1200 FPS	893 FPS
medium	1015 FPS	811 FPS
high	939 FPS	697 FPS
ultra	846 FPS	599 FPS
1440p
low	928 FPS	699 FPS
medium	811 FPS	613 FPS
high	713 FPS	525 FPS
ultra	633 FPS	449 FPS
4K
low	683 FPS	504 FPS
medium	606 FPS	451 FPS
high	539 FPS	394 FPS
ultra	437 FPS	343 FPS

Open Core Ultra 9 285K Open Xeon Platinum 8352Y

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core Ultra 9 285K and Xeon Platinum 8352Y

Core Ultra 9 285K

The Core Ultra 9 285K 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 24 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 5.6 GHz. L3 cache: 36 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: 67,482 points. Launch price was $589.

Xeon Platinum 8352Y

The Xeon Platinum 8352Y is manufactured by Intel. It was released in 2021-04-06. It features 32 cores and 64 threads. Base frequency is 2.2 GHz, with boost up to 3.4 GHz. L3 cache: 48 MB. Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 205 Watt. Memory support: DDR4-3200. Passmark benchmark score: 68,643 points. Launch price was $3,995.

⚡

Processing Power

The Core Ultra 9 285K packs 24 cores / 24 threads, while the Xeon Platinum 8352Y offers 32 cores / 64 threads — the Xeon Platinum 8352Y has 8 more cores. Boost clocks reach 5.6 GHz on the Core Ultra 9 285K versus 3.4 GHz on the Xeon Platinum 8352Y — a 48.9% clock advantage for the Core Ultra 9 285K (base: 3.7 GHz vs 2.2 GHz). The Core Ultra 9 285K is built on the Arrow Lake-S (2024−2025) architecture. In PassMark, the Core Ultra 9 285K scores 67,482 against the Xeon Platinum 8352Y's 68,643 — a 1.7% lead for the Xeon Platinum 8352Y. L3 cache: 36 MB (total) on the Core Ultra 9 285K vs 48 MB on the Xeon Platinum 8352Y.

Feature	Core Ultra 9 285K	Xeon Platinum 8352Y
Cores / Threads	24 / 24	32 / 64+33%
Boost Clock	5.6 GHz+65%	3.4 GHz
Base Clock	3.7 GHz+68%	2.2 GHz
L3 Cache	36 MB (total)	48 MB+33%
L2 Cache	3 MB (per core)	—
Process	3 nm-70%	10 nm
Architecture	Arrow Lake-S (2024−2025)	—
PassMark	67,482	68,643+2%
Cinebench R23 Multi	45,563	—
Geekbench 6 Single	3,200	—
Geekbench 6 Multi	22,563	—

🧠

Memory & Platform

The Core Ultra 9 285K uses the LGA1851 socket (PCIe 5.0), while the Xeon Platinum 8352Y uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 9 285K versus 3200 on the Xeon Platinum 8352Y — the Xeon Platinum 8352Y supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8352Y supports up to 4096 of RAM compared to 192 GB — 182.1% more capacity for professional workloads. Memory channels: 2 (Core Ultra 9 285K) vs 8 (Xeon Platinum 8352Y). PCIe lanes: 24 (Core Ultra 9 285K) vs 64 (Xeon Platinum 8352Y) — the Xeon Platinum 8352Y offers 40 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z890 (Core Ultra 9 285K) and C621A (Xeon Platinum 8352Y).

Feature	Core Ultra 9 285K	Xeon Platinum 8352Y
Socket	LGA1851	LGA4189
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-6400	3200+63900%
Max RAM Capacity	192 GB+4915100%	4096
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	24	64+167%

🔧

Advanced Features

Only the Core Ultra 9 285K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon Platinum 8352Y supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Core Ultra 9 285K) vs VT-x, VT-d (Xeon Platinum 8352Y). The Core Ultra 9 285K includes integrated graphics (Intel Arc Graphics 64EU), while the Xeon Platinum 8352Y requires a dedicated GPU. Direct competitor: Core Ultra 9 285K rivals Ryzen 9 9950X; Xeon Platinum 8352Y rivals EPYC 7543.

Feature	Core Ultra 9 285K	Xeon Platinum 8352Y
Integrated GPU	Yes	No
IGPU Model	Intel Arc Graphics 64EU	None
Unlocked	Yes	No
AVX-512	No	Yes
Virtualization	true	VT-x, VT-d

💰

Value Analysis

The Core Ultra 9 285K launched at $589 MSRP, while the Xeon Platinum 8352Y debuted at $3995. On MSRP ($589 vs $3995), the Core Ultra 9 285K is $3406 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core Ultra 9 285K delivers 114.6 pts/$ vs 17.2 pts/$ for the Xeon Platinum 8352Y — making the Core Ultra 9 285K the 147.8% better value option.