CPU Comparison
Intel Core i7-5930K vs Intel Core i9-9900K
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
Respectable multi-threaded throughput in legacy workloads, but modern chips finish faster while using less power.
Strong multi-threaded performance for photo editing, video encoding, and compilation, though outpaced by newer 8+ core CPUs with better IPC and efficiency.
Gaming
Playable in older games; struggles with CPU-heavy modern titles at high refresh due to lower IPC and clocks compared to newer CPUs.
Still delivers high FPS in modern titles at 1080p, but is increasingly GPU-bound at 1440p/4K and trails newer gaming-focused CPUs in 1% low frame rates and efficiency.
Virtualization
Adequate for lab use with its PCIe and memory bandwidth, though limited core count and efficiency by today’s standards.
Capable for home labs and light VM workloads with 8 cores and 16 threads, but limited by 128 GB memory cap and older platform features.
Efficiency
High 140 W TDP for 6/12; modern platforms deliver far better performance-per-watt.
Power draw is high under multi-threaded loads, often exceeding 150 W in practice, with significantly worse performance-per-watt than modern Intel and AMD alternatives.
Specialized Performance
AI / ML
- No dedicated AI acceleration hardware.
- Suitable only for light CPU-based inference workloads.
- No dedicated AI or NPU hardware.
- Suitable only for CPU-based inference at small scale.
- Modern CPUs with NPUs or faster AVX implementations are far better for local AI 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.
- Single-core and high turbo frequencies benefit high-refresh-rate gaming.
- At 1080p with a strong GPU it can still push very high average FPS.
- At 1440p and above, differences versus newer CPUs shrink as the GPU becomes the bottleneck.
- Modern 6+ core CPUs often match or beat it in 1% lows and frame pacing.
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
- 8 cores and 16 threads still handle modern workloads well.
- 5.0 GHz single-core turbo benefits gaming and snappy UI response.
- STIM and unlocked multiplier make overclocking straightforward.
- Mature LGA1151 platform with many affordable Z390/Z370 boards.
- Strong single-thread performance for its era.
Cons
- High power draw and heat under multi-threaded loads.
- End-of-life platform with no DDR5 or PCIe 4.0/5.0.
- 128 GB memory cap is limiting for heavy VM or data workloads.
- Older 14 nm++ process is much less efficient than modern nodes.
- Newer CPUs offer better performance-per-watt and platform features.
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-headMuch faster gaming and general performance on a more modern mainstream platform.
Compare head-to-head- 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 i9-9900K
- AMD Ryzen 7 2700XRival
Enthusiast Desktop
- Compare head-to-headIntel Core i7-9700KRival
Enthusiast Desktop
- Compare head-to-headIntel Core i7-8700KRival
Enthusiast Desktop
- AMD Ryzen 7 3800XRival
Enthusiast Desktop
- Compare head-to-headIntel Core i9-10900KRival
Enthusiast Desktop
More cores and threads, better efficiency, DDR4/DDR5 support, and stronger modern performance for a similar or lower price point.
Compare head-to-head- AMD Ryzen 7 5800XAlt
Higher IPC, better efficiency, and AM4 upgrade path with similar core counts; often better value in 2026.
Hybrid architecture with more E-cores and better multi-threaded performance at lower power, plus DDR5 support.
Compare head-to-head- AMD Ryzen 5 7600Alt
Modern AM5 platform with DDR5 and much better efficiency; sufficient for gaming and light content work.
- Intel Core i5-12400Alt
Budget-friendly LGA1700 option with strong single-thread performance and better platform longevity.
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 reviewStill a capable gaming and multi-threaded CPU in 2026, especially if you already own it, but outdated platform features, high power draw, and better modern alternatives make it hard to recommend for new builds.
Best for: Upgrading an existing LGA1151 system from an older i5/i7 to more cores without changing motherboard and RAM.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i7-5930K or Intel Core i9-9900K?
Based on our editorial ratings, the Intel Core i9-9900K 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 i9-9900K?
For gaming, the Intel Core i9-9900K leads with a gaming performance score of 78/100 among Intel Core i7-5930K and Intel Core i9-9900K.
Which uses less power?
The Intel Core i9-9900K has the lowest rated TDP. Power draw across these chips: Intel Core i7-5930K (140 W), Intel Core i9-9900K (95 W).
Do Intel Core i7-5930K and Intel Core i9-9900K use the same socket?
No. They use different sockets (Intel Core i7-5930K: LGA2011-v3 (FCLGA2011), Intel Core i9-9900K: LGA1151 (FCLGA1151)), so each needs a compatible motherboard.
Which has more cores?
The Intel Core i9-9900K has the most cores. Core counts: Intel Core i7-5930K (6 cores), Intel Core i9-9900K (8 cores).
Which is faster in multi-core benchmarks?
The Intel Core i9-9900K posts the highest multi-core benchmark score. Multi-core results: Intel Core i9-9900K (8,200). Benchmark figures are approximate and workload-dependent.