CPU Comparison
Intel Core i9-11900KB vs Intel Core i9-11980HK
A side-by-side comparison of specs, performance and value. The Intel Core i9-11900KB is an 8-core, 16-thread Tiger Lake-H processor on Intel’s 10 nm SuperFin node, designed primarily as a BGA chip soldered into small form factor systems like the Intel NUC 11 Extreme ‘Beast Canyon’. It combines a 65 W configurable TDP with high single-core boost frequencies up to 5.3 GHz and 24 MB of shared L3 cache, targeting compact enthusiast and creator PCs rather than mainstream DIY desktops.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Gaming
Virtualization
Efficiency
Specialized Performance
AI / ML
- No dedicated NPU or AI accelerator hardware.
- DL Boost and AVX‑512 (if enabled by firmware) can accelerate some CPU‑based inference workloads.
- Not competitive with modern CPUs with built‑in NPUs for heavy AI tasks.
- Intel Deep Learning Boost (AVX-512 VNNI) accelerates INT8 inference workloads.
- No dedicated NPU; AI acceleration is modest compared to later Core Ultra and Ryzen AI mobile chips.
Content Creation
Gaming
- Strong single‑threaded performance thanks to high boost clocks.
- Capable of high‑refresh‑rate 1080p gaming with a suitable GPU.
- Performance is close to the desktop i9‑11900K in many CPU‑bound games.
- Newer gaming CPUs with hybrid architectures may offer higher FPS in some titles.
- 5.0 GHz single-core turbo gives strong FPS in CPU-heavy titles.
- Most gaming laptops pair it with RTX 3070/3080-class GPUs, where the CPU is rarely the bottleneck at 1080p/1440p.
- Newer Alder Lake/Raptor Lake H/HX CPUs often deliver slightly better 1% lows and efficiency.
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- 8 high‑performance Willow Cove cores with 16 threads
- High single‑core boost up to 5.3 GHz with Thermal Velocity Boost
- 65 W configurable TDP (55–65 W) enables compact cooling
- 20 PCIe 4.0 lanes from CPU for modern GPU and NVMe
- Integrated UHD Graphics 750 with Quick Sync Video
- Unlocked multiplier for overclocking on supported platforms
Cons
- BGA 1787 package: CPU is soldered and not replaceable
- Platform is discontinued; limited long‑term upgrade path
- No DDR5 or PCIe 5.0 support
- Newer Intel and AMD CPUs offer better efficiency and performance per watt
- Larger L2 cache (10 MB total) benefits some workloads but increases die cost
Pros
- 8 cores and 16 threads with high 5.0 GHz turbo
- 20 PCIe 4.0 CPU lanes for fast GPUs and storage
- Unlocked multiplier for overclocking in supported laptops
- Strong single-threaded performance for gaming and light tasks
- Familiar x86 ecosystem with good software and driver support
Cons
- High power draw and heat at 45–65 W compared to newer mobile CPUs
- 10 nm SuperFin process is less efficient than Intel 7 and TSMC N5/N4
- No hybrid architecture; 8 big cores only, trailing newer HX chips in multi-thread
- Platform is EOL with no upgrade path beyond existing laptop designs
- Integrated UHD Graphics 32 EU is basic; a discrete GPU is required for serious gaming or compute
Competitors & Alternatives
Intel Core i9-11900KB
- Compare head-to-headIntel Core i9-11900KRival
Desktop
- AMD Ryzen 9 5900HXRival
Mobile / SFF Desktop
- Compare head-to-headIntel Core i9-11900HRival
Mobile
- AMD Ryzen 7 5800HRival
Mobile / SFF Desktop
- Intel Core i7-11700BRival
SFF Desktop / BGA
- Intel Core i9-12900HAlt
Newer 12th‑gen hybrid architecture with significantly higher multi‑threaded performance and better efficiency.
- AMD Ryzen 9 6900HXAlt
Zen 3+ with stronger multi‑core performance and modern features, often in similar SFF laptops.
- Intel Core i5-13600KAlt
Better value and gaming performance on a socketed DDR4/DDR5 platform with more upgrade flexibility.
- AMD Ryzen 7 7700Alt
AM5 platform with DDR5 and PCIe 5.0, offering a more modern upgrade path and strong single‑thread speed.
Intel Core i9-11980HK
- AMD Ryzen 9 5980HXRival
High-End Mobile (Zen 3)
- AMD Ryzen 9 5900HXRival
High-End Mobile (Zen 3)
- Compare head-to-headIntel Core i9-12900HKRival
High-End Mobile (Alder Lake-H)
- Compare head-to-headIntel Core i9-11950HRival
High-End Mobile (Tiger Lake-H)
- Compare head-to-headIntel Core i9-10980HKRival
High-End Mobile (Comet Lake-H)
- AMD Ryzen 9 7845HXAlt
Much higher multi-thread performance and better efficiency on a modern platform.
Significantly more cores and threads with stronger creator and multi-tasking performance.
Compare head-to-head- AMD Ryzen 9 7945HXAlt
Top-end mobile Zen 4 CPU for users who need maximum multi-threaded performance.
- Intel Core i7-13700HXAlt
Good balance of price, performance and efficiency compared to older 11980HK.
Our Verdict on Each
A potent 8‑core Tiger Lake chip with excellent single‑threaded performance and modern features, but locked to BGA and now discontinued, making it mainly interesting for existing NUC 11 Extreme owners or very specific embedded use cases.
Best for: Upgrading or repairing an Intel NUC 11 Extreme ‘Beast Canyon’ or similar BGA‑based SFF system where you can reuse the existing compute element and cooling.
Read the full reviewA powerful but power‑hungry 8‑core mobile CPU that delivers strong single‑core and gaming performance at 45–65 W, now outclassed by newer 12th/13th Gen Intel and Ryzen 7000 mobile chips in efficiency and multi‑thread.
Best for: Buying a used or discounted 11980HK gaming laptop where the CPU is already paired with a strong GPU and you prioritize raw CPU frequency over efficiency or platform longevity.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i9-11900KB or Intel Core i9-11980HK?
Based on our editorial ratings, the Intel Core i9-11900KB comes out ahead with a score of 8.2/10. That said, the best choice depends on your workload — check the spec and performance breakdown above for gaming, productivity and efficiency differences.
Which is faster for gaming, Intel Core i9-11900KB or Intel Core i9-11980HK?
For gaming, the Intel Core i9-11900KB leads with a gaming performance score of 85/100 among Intel Core i9-11900KB and Intel Core i9-11980HK.
Which uses less power?
The Intel Core i9-11980HK has the lowest rated TDP. Power draw across these chips: Intel Core i9-11900KB (65 W), Intel Core i9-11980HK (45 W).
Do Intel Core i9-11900KB and Intel Core i9-11980HK use the same socket?
No. They use different sockets (Intel Core i9-11900KB: Intel BGA 1787, Intel Core i9-11980HK: FCBGA1787), so each needs a compatible motherboard.
Which is faster in multi-core benchmarks?
The Intel Core i9-11900KB posts the highest multi-core benchmark score. Multi-core results: Intel Core i9-11900KB (22,748), Intel Core i9-11980HK (18,332). Benchmark figures are approximate and workload-dependent.