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: +12.1% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $3,069 less on MSRP ($589 MSRP vs $3,658 MSRP).
✅Delivers 496.2% more PassMark for each dollar spent, at 114.6 vs 19.2 PassMark/$ ($589 MSRP vs $3,658 MSRP).
✅Draws 125W instead of 250W, a 125W reduction.
✅Integrated graphics onboard with Intel Arc Graphics 64EU, while Xeon Gold 6448H needs a discrete GPU.

Trade-offs

❌Lower PassMark (67,482 vs 70,292).
❌Smaller total L3 cache (36 MB vs 60 MB).
❌Less compelling for workstation-style loads than Xeon Gold 6448H, which brings 32 cores / 64 threads and 80 PCIe lanes.

Xeon Gold 6448H

2023

Why buy it

✅+4.2% higher PassMark.
✅+66.7% larger total L3 cache (60 MB vs 36 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 80 PCIe lanes vs 24.
✅233.3% more PCIe lanes (80 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 9 285K across 4 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 19.2 vs 114.6 PassMark/$ ($3,658 MSRP vs $589 MSRP).
❌100% higher power demand at 250W vs 125W.
❌No integrated graphics, while Core Ultra 9 285K can still boot and troubleshoot without a discrete GPU.

Core Ultra 9 285K

2024

Xeon Gold 6448H

2023

Why buy it

✅Better for gaming: +12.1% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $3,069 less on MSRP ($589 MSRP vs $3,658 MSRP).
✅Delivers 496.2% more PassMark for each dollar spent, at 114.6 vs 19.2 PassMark/$ ($589 MSRP vs $3,658 MSRP).
✅Draws 125W instead of 250W, a 125W reduction.
✅Integrated graphics onboard with Intel Arc Graphics 64EU, while Xeon Gold 6448H needs a discrete GPU.

Why buy it

✅+4.2% higher PassMark.
✅+66.7% larger total L3 cache (60 MB vs 36 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 80 PCIe lanes vs 24.
✅233.3% more PCIe lanes (80 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (67,482 vs 70,292).
❌Smaller total L3 cache (36 MB vs 60 MB).
❌Less compelling for workstation-style loads than Xeon Gold 6448H, which brings 32 cores / 64 threads and 80 PCIe lanes.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 9 285K across 4 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 19.2 vs 114.6 PassMark/$ ($3,658 MSRP vs $589 MSRP).
❌100% higher power demand at 250W vs 125W.
❌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 Gold 6448H?

Not in a simple one-size-fits-all way. Xeon Gold 6448H 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 Gold 6448H is the better fit. You are getting 4.2% better PassMark, backed by 32 cores and 64 threads. It also carries the larger cache pool with 66.7% larger total L3 cache (60 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 $3,069 cheaper on MSRP at $589 MSRP versus $3,658 MSRP, and it gives you a 12.1% average FPS lead across 4 shared CPU game tests in our data. The trade-off is that Xeon Gold 6448H is still stronger for heavier multi-core work with 4.2% better PassMark. It is also 496.2% better value on MSRP (114.6 vs 19.2 PassMark/$), 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 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 9 285K Benchmark Check

Xeon Gold 6448H Benchmark Check

Path of Exile 2

Preset	Core Ultra 9 285K	Xeon Gold 6448H
1080p
low	341 FPS	200 FPS
medium	323 FPS	165 FPS
high	267 FPS	137 FPS
ultra	226 FPS	107 FPS
1440p
low	288 FPS	159 FPS
medium	239 FPS	124 FPS
high	184 FPS	98 FPS
ultra	162 FPS	77 FPS
4K
low	188 FPS	73 FPS
medium	155 FPS	61 FPS
high	115 FPS	48 FPS
ultra	103 FPS	39 FPS

Open Core Ultra 9 285K Open Xeon Gold 6448H

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core Ultra 9 285K	Xeon Gold 6448H
1080p
low	899 FPS	572 FPS
medium	778 FPS	498 FPS
high	623 FPS	403 FPS
ultra	544 FPS	359 FPS
1440p
low	756 FPS	494 FPS
medium	677 FPS	435 FPS
high	557 FPS	364 FPS
ultra	447 FPS	304 FPS
4K
low	421 FPS	309 FPS
medium	383 FPS	276 FPS
high	358 FPS	249 FPS
ultra	310 FPS	223 FPS

Open Core Ultra 9 285K Open Xeon Gold 6448H

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core Ultra 9 285K	Xeon Gold 6448H
1080p
low	879 FPS	1025 FPS
medium	718 FPS	980 FPS
high	637 FPS	906 FPS
ultra	545 FPS	822 FPS
1440p
low	750 FPS	847 FPS
medium	616 FPS	753 FPS
high	534 FPS	685 FPS
ultra	458 FPS	615 FPS
4K
low	534 FPS	531 FPS
medium	459 FPS	437 FPS
high	415 FPS	378 FPS
ultra	352 FPS	310 FPS

Open Core Ultra 9 285K Open Xeon Gold 6448H

League of Legends

League of Legends

Valorant

Preset	Core Ultra 9 285K	Xeon Gold 6448H
1080p
low	1202 FPS	946 FPS
medium	1015 FPS	855 FPS
high	939 FPS	739 FPS
ultra	846 FPS	639 FPS
1440p
low	930 FPS	733 FPS
medium	811 FPS	645 FPS
high	713 FPS	554 FPS
ultra	633 FPS	480 FPS
4K
low	685 FPS	533 FPS
medium	606 FPS	476 FPS
high	539 FPS	419 FPS
ultra	437 FPS	361 FPS

Open Core Ultra 9 285K Open Xeon Gold 6448H

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core Ultra 9 285K and Xeon Gold 6448H

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 Gold 6448H

The Xeon Gold 6448H 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 2.4 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): 250 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 70,292 points. Launch price was $3,658.

⚡

Processing Power

The Core Ultra 9 285K packs 24 cores / 24 threads, while the Xeon Gold 6448H offers 32 cores / 64 threads — the Xeon Gold 6448H has 8 more cores. Boost clocks reach 5.6 GHz on the Core Ultra 9 285K versus 4.1 GHz on the Xeon Gold 6448H — a 30.9% clock advantage for the Core Ultra 9 285K (base: 3.7 GHz vs 2.4 GHz). The Core Ultra 9 285K uses the Arrow Lake-S (2024−2025) architecture (3 nm), while the Xeon Gold 6448H uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Core Ultra 9 285K scores 67,482 against the Xeon Gold 6448H's 70,292 — a 4.1% lead for the Xeon Gold 6448H. L3 cache: 36 MB (total) on the Core Ultra 9 285K vs 60 MB on the Xeon Gold 6448H.

Feature	Core Ultra 9 285K	Xeon Gold 6448H
Cores / Threads	24 / 24	32 / 64+33%
Boost Clock	5.6 GHz+37%	4.1 GHz
Base Clock	3.7 GHz+54%	2.4 GHz
L3 Cache	36 MB (total)	60 MB+67%
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	67,482	70,292+4%
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 Gold 6448H uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 9 285K versus 4800 on the Xeon Gold 6448H — the Xeon Gold 6448H supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6448H 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 Gold 6448H). PCIe lanes: 24 (Core Ultra 9 285K) vs 80 (Xeon Gold 6448H) — the Xeon Gold 6448H offers 56 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z890 (Core Ultra 9 285K) and C741 (Xeon Gold 6448H).

Feature	Core Ultra 9 285K	Xeon Gold 6448H
Socket	LGA1851	LGA4677
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-6400	4800+95900%
Max RAM Capacity	192 GB+4915100%	4096
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	24	80+233%

🔧

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 Gold 6448H supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Core Ultra 9 285K) vs VT-x, VT-d (Xeon Gold 6448H). The Core Ultra 9 285K includes integrated graphics (Intel Arc Graphics 64EU), while the Xeon Gold 6448H requires a dedicated GPU. Direct competitor: Core Ultra 9 285K rivals Ryzen 9 9950X; Xeon Gold 6448H rivals EPYC 9454.

Feature	Core Ultra 9 285K	Xeon Gold 6448H
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 Gold 6448H debuted at $3658. On MSRP ($589 vs $3658), the Core Ultra 9 285K is $3069 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core Ultra 9 285K delivers 114.6 pts/$ vs 19.2 pts/$ for the Xeon Gold 6448H — making the Core Ultra 9 285K the 142.5% better value option.