CPU Comparison
Intel Core i7-11850H vs Intel Core i9-11900KB
A side-by-side comparison of specs, performance and value. The Intel Core i7-11850H is a high-performance mobile processor launched in May 2021, designed for premium gaming laptops and mobile workstations. Built on the 10nm SuperFin process, it belongs to the Tiger Lake-H family and features 8 cores and 16 threads. With a base frequency of 2.1 GHz and a maximum turbo boost of 4.8 GHz, it delivers robust single-threaded and multi-threaded performance. The processor includes 24 MB of L3 cache and supports DDR4-3200 memory in a dual-channel configuration. It also offers 20 PCIe 4.0 lanes, enabling high-speed connectivity for dedicated GPUs and fast NVMe storage. The default TDP is set at 35 Watts, with a configurable TDP up to 45 Watts, allowing manufacturers to balance performance and thermal constraints. Equipped with UHD Graphics 750, it provides basic display capabilities when a discrete GPU is not active. This CPU remains a capable option for demanding mobile workloads.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Strong multi-core performance handles heavy productivity workloads efficiently.
For content creation workloads like video editing, 3D rendering and compilation, the 8‑core/16‑thread design and high boost clocks provide strong multi‑threaded throughput. It is competitive with other 8‑core 11th‑gen Intel and Ryzen 5000 mobile CPUs in its power envelope.
Gaming
Excellent gaming performance, capable of driving high-refresh-rate displays when paired with RTX 30-series mobile GPUs.
When paired with a modern mid‑range or high‑end GPU, the i9‑11900KB delivers high‑refresh‑rate 1080p and solid 1440p gaming. It is broadly comparable to the i9‑11900K in CPU‑bound scenarios, though some newer titles may run slightly better on newer architectures with higher IPC or E‑cores.
Virtualization
16 threads and AVX-512 support make it highly capable for local virtual machine hosting.
With support for VT‑x, VT‑d, EPT and ample memory bandwidth, the i9‑11900KB is well suited to running multiple VMs on a compact NUC or embedded platform, especially when equipped with 64 GB of RAM.
Efficiency
10nm process improves efficiency, but 45W configurations still require robust laptop cooling.
Intel’s 10 nm SuperFin process and configurable 55–65 W TDP deliver better efficiency than older 14 nm desktop parts, but more recent Intel and AMD architectures surpass it in performance per watt.
Specialized Performance
AI / ML
- AVX-512 instructions accelerate some AI workloads
- No dedicated NPU hardware
- 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.
Content Creation
Gaming
- High boost clocks ensure strong single-core performance
- PCIe 4.0 reduces GPU bandwidth bottlenecks
- Performs exceptionally well in CPU-bound esports titles
- 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.
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Excellent 8-core mobile performance
- Includes 20 PCIe 4.0 lanes
- Large 24MB L3 cache
- Supports AVX-512 instructions
Cons
- Locked multiplier prevents overclocking
- Requires robust laptop cooling at 45W
- Does not support DDR5 memory
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
Competitors & Alternatives
Intel Core i7-11850H
- AMD Ryzen 9 5900HXRival
Mobile
- AMD Ryzen 7 5800HRival
Mobile
- Compare head-to-headIntel Core i9-11900HRival
Mobile
- Compare head-to-headIntel Core i7-11800HRival
Mobile
- Compare head-to-headApple M1 ProRival
Mobile
- Intel Core i5-11400HAlt
Better value for purely gaming workloads.
- AMD Ryzen 9 5900HSAlt
Lighter and more efficient for thin-and-light gaming.
Newer hybrid architecture with significantly more performance.
Compare head-to-head
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
- Compare head-to-headIntel 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.
Better value and gaming performance on a socketed DDR4/DDR5 platform with more upgrade flexibility.
Compare head-to-head- AMD Ryzen 7 7700Alt
AM5 platform with DDR5 and PCIe 5.0, offering a more modern upgrade path and strong single‑thread speed.
Our Verdict on Each
A highly capable mobile processor that delivers excellent multi-core performance and PCIe 4.0 connectivity, though newer generations offer better efficiency.
Best for: Purchasing a discounted gaming laptop on the used market.
Read the full reviewA 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 reviewFrequently Asked Questions
Which is better, Intel Core i7-11850H or Intel Core i9-11900KB?
Based on our editorial ratings, the Intel Core i7-11850H comes out ahead with a score of 8.5/10. 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 i7-11850H or Intel Core i9-11900KB?
For gaming, the Intel Core i7-11850H leads with a gaming performance score of 88/100 among Intel Core i7-11850H and Intel Core i9-11900KB.
Which uses less power?
The Intel Core i7-11850H has the lowest rated TDP. Power draw across these chips: Intel Core i7-11850H (35 W), Intel Core i9-11900KB (65 W).
Do Intel Core i7-11850H and Intel Core i9-11900KB use the same socket?
Yes — all of these CPUs use the Intel BGA 1787 socket, so they share compatible motherboards.
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). Benchmark figures are approximate and workload-dependent.