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 i9-7980XE

2017

Why buy it

✅+37.5% larger total L3 cache (25 MB vs 18 MB).
✅57.1% more PCIe lanes (44 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 5 235H across 50 shared CPU benchmark tests.
❌Lower PassMark (29,634 vs 29,820).
❌Launch MSRP is still $1,999 MSRP, while Core Ultra 5 235H mostly shows up through inconsistent older-market listings.
❌725% higher power demand at 165W vs 20W.
❌Older platform position on LGA2066 with DDR4, while Core Ultra 5 235H moves to FCBGA2049 and DDR5.

Core Ultra 5 235H

2025

Why buy it

✅Better for gaming: +36.5% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 20W instead of 165W, a 145W reduction.
✅Newer platform on FCBGA2049 with DDR5 support instead of LGA2066 and DDR4.
✅Integrated graphics onboard with Intel Arc 140T Graphics, while Core i9-7980XE needs a discrete GPU.

Trade-offs

❌Smaller total L3 cache (18 MB vs 25 MB).

Core i9-7980XE

2017

Core Ultra 5 235H

2025

Why buy it

✅+37.5% larger total L3 cache (25 MB vs 18 MB).
✅57.1% more PCIe lanes (44 vs 28) for storage and expansion-heavy builds.

Why buy it

✅Better for gaming: +36.5% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 20W instead of 165W, a 145W reduction.
✅Newer platform on FCBGA2049 with DDR5 support instead of LGA2066 and DDR4.
✅Integrated graphics onboard with Intel Arc 140T Graphics, while Core i9-7980XE needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 5 235H across 50 shared CPU benchmark tests.
❌Lower PassMark (29,634 vs 29,820).
❌Launch MSRP is still $1,999 MSRP, while Core Ultra 5 235H mostly shows up through inconsistent older-market listings.
❌725% higher power demand at 165W vs 20W.
❌Older platform position on LGA2066 with DDR4, while Core Ultra 5 235H moves to FCBGA2049 and DDR5.

Trade-offs

❌Smaller total L3 cache (18 MB vs 25 MB).

Quick Answers

So, is Core Ultra 5 235H better than Core i9-7980XE?

Yes. Core Ultra 5 235H is the better overall CPU here. You are getting a 36.5% average FPS lead across 50 shared CPU game tests in our data, 0.6% 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 5 235H is the better pick here. According to our tests, it delivers 36.5% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Core Ultra 5 235H is the better fit. You are getting 0.6% better PassMark, backed by 14 cores and 14 threads.

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

Core Ultra 5 235H is the smarter buy by a wide margin for a fresh build. Core Ultra 5 235H is at an unclear MSRP at unclear MSRP versus $1,999 MSRP, and it gives you a 36.5% average FPS lead across 50 shared CPU game tests in our data. Core i9-7980XE only looks stronger on raw value math because it is extremely cheap, but that is mostly used-market pricing on an obsolete 2017 platform. Even with 100.0% better value on paper (14.8 vs 0.0 PassMark/$), it really only makes sense as a very cheap stopgap or a niche existing-platform option for someone already on LGA2066.

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

Core Ultra 5 235H is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2017), a healthier platform with FCBGA2049 and DDR5 instead of LGA2066, and more multi-core headroom with 14 cores / 14 threads instead of 18/36. 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 i9-7980XE Benchmark Check

Core Ultra 5 235H Benchmark Check

Path of Exile 2

Preset	Core i9-7980XE	Core Ultra 5 235H
1080p
low	167 FPS	299 FPS
medium	147 FPS	262 FPS
high	116 FPS	218 FPS
ultra	97 FPS	187 FPS
1440p
low	140 FPS	245 FPS
medium	120 FPS	193 FPS
high	95 FPS	157 FPS
ultra	80 FPS	138 FPS
4K
low	78 FPS	168 FPS
medium	71 FPS	134 FPS
high	56 FPS	104 FPS
ultra	44 FPS	90 FPS

Open Core i9-7980XE Open Core Ultra 5 235H

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i9-7980XE	Core Ultra 5 235H
1080p
low	470 FPS	746 FPS
medium	405 FPS	625 FPS
high	355 FPS	499 FPS
ultra	321 FPS	440 FPS
1440p
low	411 FPS	704 FPS
medium	361 FPS	566 FPS
high	319 FPS	453 FPS
ultra	277 FPS	379 FPS
4K
low	265 FPS	415 FPS
medium	232 FPS	339 FPS
high	220 FPS	311 FPS
ultra	190 FPS	268 FPS

Open Core i9-7980XE Open Core Ultra 5 235H

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i9-7980XE	Core Ultra 5 235H
1080p
low	636 FPS	746 FPS
medium	530 FPS	746 FPS
high	480 FPS	746 FPS
ultra	417 FPS	653 FPS
1440p
low	567 FPS	746 FPS
medium	479 FPS	721 FPS
high	432 FPS	624 FPS
ultra	377 FPS	537 FPS
4K
low	431 FPS	628 FPS
medium	354 FPS	519 FPS
high	319 FPS	458 FPS
ultra	262 FPS	383 FPS

Open Core i9-7980XE Open Core Ultra 5 235H

League of Legends

League of Legends

Valorant

Preset	Core i9-7980XE	Core Ultra 5 235H
1080p
low	741 FPS	746 FPS
medium	741 FPS	746 FPS
high	697 FPS	746 FPS
ultra	614 FPS	741 FPS
1440p
low	741 FPS	746 FPS
medium	680 FPS	746 FPS
high	578 FPS	677 FPS
ultra	501 FPS	579 FPS
4K
low	532 FPS	604 FPS
medium	479 FPS	538 FPS
high	422 FPS	486 FPS
ultra	365 FPS	423 FPS

Open Core i9-7980XE Open Core Ultra 5 235H

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i9-7980XE and Core Ultra 5 235H

Core i9-7980XE

The Core i9-7980XE is manufactured by Intel. It was released in 1 September 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 18 cores and 36 threads. Base frequency is 2.6 GHz, with boost up to 4.4 GHz. L3 cache: 24.75 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2666. Passmark benchmark score: 29,634 points. Launch price was $1,999.

Core Ultra 5 235H

The Core Ultra 5 235H is manufactured by Intel. It was released in 1 January 2025 (less than a year ago). It is based on the Arrow Lake-H (2025) architecture. It features 14 cores and 14 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 18 MB. Built on 5 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): 20 MB + 18 MB. Memory support: DDR5-6400. Passmark benchmark score: 29,820 points. Launch price was $354.

⚡

Processing Power

The Core i9-7980XE packs 18 cores / 36 threads, while the Core Ultra 5 235H offers 14 cores / 14 threads — the Core i9-7980XE has 4 more cores. Boost clocks reach 4.4 GHz on the Core i9-7980XE versus 5 GHz on the Core Ultra 5 235H — a 12.8% clock advantage for the Core Ultra 5 235H (base: 2.6 GHz vs 4.4 GHz). The Core i9-7980XE uses the Skylake (server) (2017−2018) architecture (14 nm), while the Core Ultra 5 235H uses Arrow Lake-H (2025) (5 nm). In PassMark, the Core i9-7980XE scores 29,634 against the Core Ultra 5 235H's 29,820 — a 0.6% lead for the Core Ultra 5 235H. L3 cache: 24.75 MB (total) on the Core i9-7980XE vs 18 MB on the Core Ultra 5 235H.

Feature	Core i9-7980XE	Core Ultra 5 235H
Cores / Threads	18 / 36+29%	14 / 14
Boost Clock	4.4 GHz	5 GHz+14%
Base Clock	2.6 GHz	4.4 GHz+69%
L3 Cache	24.75 MB (total)+38%	18 MB
L2 Cache	1 MB (per core)	—
Process	14 nm	5 nm-64%
Architecture	Skylake (server) (2017−2018)	Arrow Lake-H (2025)
PassMark	29,634	29,820
Cinebench R23 Multi	—	17,607
Geekbench 6 Single	—	2,693
Geekbench 6 Multi	—	14,040

🧠

Memory & Platform

The Core i9-7980XE uses the LGA2066 socket (PCIe 3.0), while the Core Ultra 5 235H uses FCBGA2049 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i9-7980XE versus DDR5-6400 on the Core Ultra 5 235H — the Core Ultra 5 235H supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core Ultra 5 235H supports up to 192 GB of RAM compared to 128 GB — 40% more capacity for professional workloads. Memory channels: 4 (Core i9-7980XE) vs 2 (Core Ultra 5 235H). PCIe lanes: 44 (Core i9-7980XE) vs 28 (Core Ultra 5 235H) — the Core i9-7980XE offers 16 more lanes for additional GPUs or NVMe drives.

Feature	Core i9-7980XE	Core Ultra 5 235H
Socket	LGA2066	FCBGA2049
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR4-2666	DDR5-6400+25%
Max RAM Capacity	128 GB	192 GB+50%
RAM Channels	4+100%	2
ECC Support	No	No
PCIe Lanes	44+57%	28

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Core i9-7980XE supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i9-7980XE) vs VT-x, VT-d, EPT (Core Ultra 5 235H). The Core Ultra 5 235H includes integrated graphics (Intel Arc 140T Graphics), while the Core i9-7980XE requires a dedicated GPU. Primary use case: Core i9-7980XE targets Workstation, Core Ultra 5 235H targets Thin-and-light Performance Laptop. Direct competitor: Core Ultra 5 235H rivals Ryzen 7 9800H.

Feature	Core i9-7980XE	Core Ultra 5 235H
Integrated GPU	No	Yes
IGPU Model	—	Intel Arc 140T Graphics
Unlocked	Yes	Yes
AVX-512	Yes	No
Virtualization	VT-x, VT-d	VT-x, VT-d, EPT
Target Use	Workstation	Thin-and-light Performance Laptop