CPU Comparison
Intel Core i9-13900HX vs Intel Core i9-13905H
A side-by-side comparison of specs, performance and value. The Intel Core i9-13900HX is a 24-core, 32-thread high-end mobile processor based on Intel’s Raptor Lake-HX architecture, designed for gaming and workstation laptops that can tolerate 55 W base and up to 157 W turbo power. It combines eight Raptor Cove performance cores with sixteen Gracemont efficiency cores, 36 MB of L3 cache, and DDR5-5600 support to deliver desktop-class multi-threaded performance in thick-and-heavy chassis. While it lacks the higher clocks of the i9-13980HX, it remains one of the fastest mobile CPUs for users who need sustained multi-threaded headroom for content creation and heavy multitasking.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Gaming
Virtualization
Efficiency
Specialized Performance
AI / ML
- Intel Deep Learning Boost (AVX2 VNNI) accelerates INT8 inference on CPU.
- No dedicated NPU; AI workloads that fit in CPU cache benefit, but heavy inference is still better suited to GPUs or specialized accelerators.
- Includes Intel Deep Learning Boost (AVX2) for basic AI inference
- No dedicated NPU or AVX-512 support found in some desktop/workstation CPUs
- Suitable for on-device AI tasks like background blur or noise cancellation
Content Creation
Gaming
- High single-core and lightly-threaded performance benefits titles that are mainly CPU-bound.
- Adequate headroom for high-refresh-rate (144–240 Hz) gaming at 1080p and 1440p with a powerful mobile GPU.
- At 4K or with very heavy GPU workloads, the GPU becomes the primary limiter rather than the CPU.
- High boost clock ensures strong frame rates in most titles
- PCIe 5.0 support future-proofs for upcoming GPUs
- Multithreaded performance helps in CPU-heavy games and background tasks
- Actual gaming performance heavily depends on the laptop's cooling and power delivery
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- 24 cores and 32 threads for heavy multi-threaded workloads.
- 5.4 GHz max turbo provides strong single-threaded performance.
- 36 MB L3 cache improves performance in latency-sensitive workloads.
- DDR5-5600 support increases memory bandwidth vs DDR4-only designs.
- 20 PCIe 5.0/4.0 lanes enable direct GPU and NVMe connectivity.
- Good balance of gaming and creator performance in a single mobile chip.
Cons
- High power draw (55 W base, up to 157 W turbo) demands robust cooling.
- Locked multiplier limits traditional overclocking; OC support varies by OEM.
- Integrated UHD Graphics 32EU is only suitable for basic display and light workloads.
- Thermal and power constraints mean real-world performance depends heavily on laptop design.
- Partially superseded by 14th-gen Raptor Lake-HX Refresh with higher clocks and better efficiency.
Pros
- Excellent multi-threaded and single-core performance
- High 5.4 GHz turbo boost for burst workloads
- PCIe 5.0 support for next-generation GPUs
- Large 24MB L3 cache for low-latency access
- Strong integrated Iris Xe Graphics for media tasks
Cons
- Locked multiplier prevents overclocking
- Lacks vPro support compared to i9-13900H
- Power limits vary by laptop, affecting sustained performance
- Uses BGA socket, meaning it is soldered to the motherboard
- E-core performance is not suitable for heavy compute tasks
Competitors & Alternatives
Intel Core i9-13900HX
- Compare head-to-headIntel Core i9-13980HXRival
High-End Laptop
- Compare head-to-headIntel Core i9-13950HXRival
High-End Laptop
- AMD Ryzen 9 7945HXRival
High-End Laptop
- AMD Ryzen 9 7845HXRival
High-End Laptop
- Intel Core i7-13850HXRival
High-End Laptop
14th-gen Raptor Lake-HX Refresh with higher clocks and refined power behavior for better performance per watt.
Compare head-to-head- Intel Core i7-13700HXAlt
16-core / 24-thread CPU with lower power draw, suitable if you want strong performance but not the full 24-core HX thermal envelope.
Intel Core i9-13905H
- AMD Ryzen 9 7945HXRival
Laptop
- AMD Ryzen 9 7845HXRival
Laptop
- Compare head-to-headIntel Core i9-13900HRival
Laptop
- Compare head-to-headIntel Core i9-13980HXRival
Laptop
- Apple M3 Pro (12-core CPU)Rival
Laptop
- Intel Core i7-13705HAlt
Very similar core configuration and performance at a lower price point, though with slightly lower boost clocks.
- Intel Core i7-13620HAlt
A more affordable option with fewer cores (10) that still provides excellent gaming and general performance.
- Intel Core Ultra 9 185HAlt
The successor with a newer architecture, NPU for AI, and better efficiency, available in newer laptop models.
Our Verdict on Each
A very powerful hybrid mobile CPU that excels in multi-threaded workloads and high-end gaming, provided your laptop can cool its 55–157 W power envelope. It is slightly outpaced by the i9-13980HX in peak clocks, but offers similar core counts at a more accessible price point.
Best for: High-end gaming or workstation laptop where you need desktop-grade multi-threaded performance and can accept the thermal and power characteristics of a 55–157 W CPU.
Read the full reviewA top-tier mobile CPU that delivers exceptional multi-threaded and single-core performance for gaming and creator laptops, though it is not unlocked for overclocking and lacks vPro support compared to its siblings.
Best for: Buying a high-performance gaming or creator laptop in 2023-2024 where the CPU is already integrated and balanced with the GPU and cooling.
Read the full reviewFrequently Asked Questions
Which is faster for gaming, Intel Core i9-13900HX or Intel Core i9-13905H?
For gaming, the Intel Core i9-13905H leads with a gaming performance score of 90/100 among Intel Core i9-13900HX and Intel Core i9-13905H.
Which uses less power?
The Intel Core i9-13905H has the lowest rated TDP. Power draw across these chips: Intel Core i9-13900HX (55 W), Intel Core i9-13905H (45 W).
Do Intel Core i9-13900HX and Intel Core i9-13905H use the same socket?
No. They use different sockets (Intel Core i9-13900HX: FCBGA1964, Intel Core i9-13905H: BGA 1744), so each needs a compatible motherboard.
Which has more cores?
The Intel Core i9-13900HX has the most cores. Core counts: Intel Core i9-13900HX (24 cores), Intel Core i9-13905H (14 cores).