
Core i9-7980XE

Core Ultra 5 235H
Core i9-7980XE vs Core Ultra 5 235H Performance Spectrum
About PassMark
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.
Core i9-7980XE vs Core Ultra 5 235H FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Core i9-7980XE vs Core Ultra 5 235H: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Core i9-7980XE
2017Why 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
2025Why 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).
Quick Answers
So, is Core Ultra 5 235H better than Core i9-7980XE?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Core i9-7980XE vs Core Ultra 5 235H Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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 140.1% 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 — 50% 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+140% |
| 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 |
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