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 255HX

2025

Why buy it

✅Better for gaming: +13.6% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 55W instead of 205W, a 150W reduction.
✅Integrated graphics onboard with Intel Arc Xe-LPG, while Xeon 6736P needs a discrete GPU.

Trade-offs

❌Lower PassMark (49,765 vs 50,072).
❌Smaller total L3 cache (30 MB vs 144 MB).
❌Less compelling for workstation-style loads than Xeon 6736P, which brings 36 cores / 72 threads and 88 PCIe lanes.

Xeon 6736P

2025

Why buy it

✅+0.6% higher PassMark.
✅+380% larger total L3 cache (144 MB vs 30 MB).
✅Better for workstations and heavier parallel workloads: 36 cores / 72 threads, plus 88 PCIe lanes vs 24.
✅266.7% more PCIe lanes (88 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 7 255HX across 50 shared CPU benchmark tests.
❌Launch MSRP is still $3,351 MSRP, while Core Ultra 7 255HX mostly shows up through inconsistent older-market listings.
❌272.7% higher power demand at 205W vs 55W.
❌No integrated graphics, while Core Ultra 7 255HX can still boot and troubleshoot without a discrete GPU.

Core Ultra 7 255HX

2025

Xeon 6736P

2025

Why buy it

✅Better for gaming: +13.6% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 55W instead of 205W, a 150W reduction.
✅Integrated graphics onboard with Intel Arc Xe-LPG, while Xeon 6736P needs a discrete GPU.

Why buy it

✅+0.6% higher PassMark.
✅+380% larger total L3 cache (144 MB vs 30 MB).
✅Better for workstations and heavier parallel workloads: 36 cores / 72 threads, plus 88 PCIe lanes vs 24.
✅266.7% more PCIe lanes (88 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (49,765 vs 50,072).
❌Smaller total L3 cache (30 MB vs 144 MB).
❌Less compelling for workstation-style loads than Xeon 6736P, which brings 36 cores / 72 threads and 88 PCIe lanes.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 7 255HX across 50 shared CPU benchmark tests.
❌Launch MSRP is still $3,351 MSRP, while Core Ultra 7 255HX mostly shows up through inconsistent older-market listings.
❌272.7% higher power demand at 205W vs 55W.
❌No integrated graphics, while Core Ultra 7 255HX can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Xeon 6736P better than Core Ultra 7 255HX?

Not in a simple one-size-fits-all way. Xeon 6736P makes more sense for workstation-style multi-core throughput, while Core Ultra 7 255HX 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 6736P is the better fit. You are getting 0.6% better PassMark, backed by 36 cores and 72 threads. It also carries the larger cache pool with 380% larger total L3 cache (144 MB vs 30 MB).

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

Xeon 6736P is the smarter buy today. Xeon 6736P is at an unclear MSRP at $3,351 MSRP versus unclear MSRP, and it gives you 0.6% better PassMark. The trade-off is that Core Ultra 7 255HX is still the better pure gaming CPU with a 13.6% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (14.9 vs 0.0 PassMark/$), 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?

Xeon 6736P is the more future-proof choice for 2026 and beyond. You are getting 380% larger total L3 cache (144 MB vs 30 MB), more multi-core headroom with 36 cores / 72 threads instead of 20/20, and AVX-512 support for heavier modern compute workloads. That extra cache should hold up really well in CPU-limited games and high-refresh builds.

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 255HX Benchmark Check

Xeon 6736P Benchmark Check

Path of Exile 2

Preset	Core Ultra 7 255HX	Xeon 6736P
1080p
low	280 FPS	188 FPS
medium	272 FPS	165 FPS
high	228 FPS	131 FPS
ultra	191 FPS	106 FPS
1440p
low	225 FPS	155 FPS
medium	193 FPS	131 FPS
high	156 FPS	100 FPS
ultra	135 FPS	82 FPS
4K
low	151 FPS	70 FPS
medium	129 FPS	63 FPS
high	99 FPS	49 FPS
ultra	87 FPS	40 FPS

Open Core Ultra 7 255HX Open Xeon 6736P

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core Ultra 7 255HX	Xeon 6736P
1080p
low	673 FPS	320 FPS
medium	574 FPS	283 FPS
high	483 FPS	236 FPS
ultra	438 FPS	207 FPS
1440p
low	584 FPS	268 FPS
medium	515 FPS	240 FPS
high	434 FPS	206 FPS
ultra	370 FPS	171 FPS
4K
low	345 FPS	167 FPS
medium	310 FPS	152 FPS
high	292 FPS	141 FPS
ultra	254 FPS	125 FPS

Open Core Ultra 7 255HX Open Xeon 6736P

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core Ultra 7 255HX	Xeon 6736P
1080p
low	839 FPS	900 FPS
medium	685 FPS	829 FPS
high	610 FPS	768 FPS
ultra	522 FPS	677 FPS
1440p
low	727 FPS	770 FPS
medium	596 FPS	706 FPS
high	519 FPS	650 FPS
ultra	441 FPS	581 FPS
4K
low	515 FPS	510 FPS
medium	434 FPS	429 FPS
high	394 FPS	383 FPS
ultra	336 FPS	318 FPS

Open Core Ultra 7 255HX Open Xeon 6736P

League of Legends

League of Legends

Valorant

Preset	Core Ultra 7 255HX	Xeon 6736P
1080p
low	995 FPS	972 FPS
medium	901 FPS	876 FPS
high	782 FPS	755 FPS
ultra	709 FPS	655 FPS
1440p
low	814 FPS	792 FPS
medium	724 FPS	690 FPS
high	627 FPS	593 FPS
ultra	555 FPS	509 FPS
4K
low	555 FPS	571 FPS
medium	501 FPS	513 FPS
high	449 FPS	454 FPS
ultra	396 FPS	391 FPS

Open Core Ultra 7 255HX Open Xeon 6736P

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core Ultra 7 255HX and Xeon 6736P

Core Ultra 7 255HX

The Core Ultra 7 255HX is manufactured by Intel. It was released in 2025-01-01. It is based on the Arrow Lake-HX (2025) architecture. It features 20 cores and 20 threads. Base frequency is 2.4 GHz, with boost up to 5.2 GHz. L3 cache: 30 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: FCBGA2114. Thermal design power (TDP): 55 Watt. Memory support: DDR5-6400. Passmark benchmark score: 49,765 points. Launch price was $450.

Xeon 6736P

The Xeon 6736P is manufactured by Intel. It was released in 24 February 2025 (less than a year ago). It is based on the Granite Rapids (2024−2025) architecture. It features 36 cores and 72 threads. Base frequency is 2 GHz, with boost up to 4.1 GHz. L3 cache: 144 MB (total). L2 cache: 2 MB (per core). Built on Intel 3 nm process technology. Socket: LGA4710. Thermal design power (TDP): 205 Watt. Memory support: DDR5(6400MT/s). Passmark benchmark score: 50,072 points. Launch price was $3,351.

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Processing Power

The Core Ultra 7 255HX packs 20 cores / 20 threads, while the Xeon 6736P offers 36 cores / 72 threads — the Xeon 6736P has 16 more cores. Boost clocks reach 5.2 GHz on the Core Ultra 7 255HX versus 4.1 GHz on the Xeon 6736P — a 23.7% clock advantage for the Core Ultra 7 255HX (base: 2.4 GHz vs 2 GHz). The Core Ultra 7 255HX uses the Arrow Lake-HX (2025) architecture (3 nm), while the Xeon 6736P uses Granite Rapids (2024−2025) (Intel 3 nm). In PassMark, the Core Ultra 7 255HX scores 49,765 against the Xeon 6736P's 50,072 — a 0.6% lead for the Xeon 6736P. L3 cache: 30 MB (total) on the Core Ultra 7 255HX vs 144 MB (total) on the Xeon 6736P.

Feature	Core Ultra 7 255HX	Xeon 6736P
Cores / Threads	20 / 20	36 / 72+80%
Boost Clock	5.2 GHz+27%	4.1 GHz
Base Clock	2.4 GHz+20%	2 GHz
L3 Cache	30 MB (total)	144 MB (total)+380%
L2 Cache	3 MB (per core)+50%	2 MB (per core)
Process	3 nm	Intel 3 nm
Architecture	Arrow Lake-HX (2025)	Granite Rapids (2024−2025)
PassMark	49,765	50,072
Geekbench 6 Single	2,923	—
Geekbench 6 Multi	16,885	—

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Memory & Platform

The Core Ultra 7 255HX uses the FCBGA2114 socket (PCIe 5.0), while the Xeon 6736P uses LGA4710 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 7 255HX versus 6400 on the Xeon 6736P — the Xeon 6736P supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon 6736P supports up to 4096 of RAM compared to 192 GB — 182.1% more capacity for professional workloads. Memory channels: 2 (Core Ultra 7 255HX) vs 8 (Xeon 6736P). PCIe lanes: 24 (Core Ultra 7 255HX) vs 88 (Xeon 6736P) — the Xeon 6736P offers 64 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel HM870,Intel WM880 (Core Ultra 7 255HX) and Granite Rapids-SP (Xeon 6736P).

Feature	Core Ultra 7 255HX	Xeon 6736P
Socket	FCBGA2114	LGA4710
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-6400	6400+127900%
Max RAM Capacity	192 GB+4915100%	4096
RAM Channels	2	8+300%
ECC Support	No	Yes
PCIe Lanes	24	88+267%

🔧

Advanced Features

Only the Core Ultra 7 255HX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon 6736P supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Core Ultra 7 255HX) vs VT-x, VT-d (Xeon 6736P). The Core Ultra 7 255HX includes integrated graphics (Intel Arc Xe-LPG), while the Xeon 6736P requires a dedicated GPU. Direct competitor: Core Ultra 7 255HX rivals Ryzen 9 9850HX; Xeon 6736P rivals EPYC 9684X.