CPU Comparison
Intel Core i7-5930K vs Intel Core i9-9900X
A side-by-side comparison of specs, performance and value. The Intel Core i7-5930K is a six-core, 12-thread HEDT processor launched in Q3 2014 on the Haswell-E architecture and LGA2011-v3 (X99) platform, featuring quad-channel DDR4-2133 memory support and 40 PCIe 3.0 lanes, targeted at enthusiasts and workstation users who need high I/O bandwidth and strong multi-threaded performance.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Gaming
Virtualization
Efficiency
Specialized Performance
AI / ML
- No dedicated AI acceleration hardware.
- Suitable only for light CPU-based inference workloads.
- No dedicated AI or matrix hardware acceleration.
- Suitable only for CPU-based inference and light ML workloads.
Content Creation
Gaming
- Multi-GPU support was a highlight in its time, but multi-GPU gaming has declined.
- Capable of 1080p/1440p with a strong GPU, though new titles may bottleneck.
- Boost to 3.7 GHz is modest compared with today’s high-clocked desktop CPUs.
- Capable of 1080p high-refresh and 1440p gaming with a modern GPU.
- Single-core performance is competitive but not class-leading versus newer mainstream CPUs.
- PCIe 3.0 x16 is sufficient for current GPUs, but PCIe 4.0/5.0 offer more headroom on newer platforms.
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- 40 PCIe 3.0 lanes directly from the CPU
- Quad-channel DDR4 memory support
- Unlocked multiplier for overclocking
- Solid multi-threaded performance for its era
- Proven X99 platform with broad motherboard options
Cons
- No integrated graphics; a discrete GPU is required
- High 140 W TDP with older 22 nm process
- Lower single-thread performance than modern CPUs
- Platform has no upgrade path beyond Broadwell-E
- Memory support capped at DDR4-2133 officially
Pros
- 10 cores and 20 threads for multi-threaded workloads.
- 44 PCIe 3.0 lanes for multi-GPU and fast storage.
- Quad-channel DDR4-2666 with 128 GB capacity support.
- Unlocked multiplier for enthusiast overclocking.
- AVX-512 support for specialized floating-point and vector workloads.
Cons
- High 165 W TDP and 14nm process make it inefficient versus modern CPUs.
- No integrated graphics; discrete GPU required.
- Discontinued platform with limited long-term BIOS and support outlook.
- LGA2066 ecosystem is more expensive and less mainstream than LGA1700/AM5.
- Memory speed capped at DDR4-2666 officially.
Competitors & Alternatives
Intel Core i7-5930K
- AMD Ryzen 9 3950XRival
HEDT/High-End Desktop
- AMD Ryzen 7 5800XRival
Mainstream Desktop
- RivalCompare head-to-head
- AMD Ryzen Threadripper 2950XRival
HEDT/Workstation
- Compare head-to-headIntel Core i7-6850KRival
HEDT (same platform successor)
Cheaper entry to X99 with 6 cores but fewer PCIe lanes.
Compare head-to-head8-core option on the same platform if you need more cores and lanes.
Compare head-to-head- Intel Core i9-9900KAlt
Much faster gaming and general performance on a more modern mainstream platform.
- AMD Ryzen 9 5950XAlt
16 cores, far superior performance and efficiency on AM4.
- AMD Ryzen 7 7700XAlt
Strong single-thread performance and modern platform features on AM5.
Intel Core i9-9900X
- AMD Ryzen Threadripper 2920XRival
HEDT
- RivalCompare head-to-head
- AMD Ryzen 9 3900XRival
High-End Desktop
- RivalCompare head-to-head
- Intel Core i9-9900KRival
Mainstream High-End
- Intel Core i7-14700KAlt
Much better gaming and efficiency, with a longer platform lifespan.
Hybrid architecture with stronger single-thread and gaming performance plus DDR4/DDR5 flexibility.
Compare head-to-head
Our Verdict on Each
The i7-5930K was a sensible mid-tier HEDT pick in 2014, offering nearly the same multi-GPU and multi-threaded capabilities as the higher-priced model while costing less. Today, it remains viable for specific workloads that need many PCIe lanes and memory bandwidth, but efficiency and single-thread speeds lag far behind modern chips.
Best for: A very low-cost used HEDT build that needs 40 PCIe lanes and quad-channel DDR4, especially for multi-GPU or many NVMe drives.
Read the full reviewA still-capable HEDT CPU for used builds needing PCIe lanes and memory channels, but outclassed in efficiency and value by newer mainstream and HEDT platforms.
Best for: Used or clearance LGA2066 workstation build where you explicitly need 44 PCIe lanes and quad-channel memory on a tight budget.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i7-5930K or Intel Core i9-9900X?
Based on our editorial ratings, the Intel Core i9-9900X comes out ahead with a score of 8/10. 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 i7-5930K or Intel Core i9-9900X?
For gaming, the Intel Core i9-9900X leads with a gaming performance score of 78/100 among Intel Core i7-5930K and Intel Core i9-9900X.
Which uses less power?
The Intel Core i7-5930K has the lowest rated TDP. Power draw across these chips: Intel Core i7-5930K (140 W), Intel Core i9-9900X (165 W).
Do Intel Core i7-5930K and Intel Core i9-9900X use the same socket?
No. They use different sockets (Intel Core i7-5930K: LGA2011-v3 (FCLGA2011), Intel Core i9-9900X: FCLGA2066), so each needs a compatible motherboard.
Which has more cores?
The Intel Core i9-9900X has the most cores. Core counts: Intel Core i7-5930K (6 cores), Intel Core i9-9900X (10 cores).