CPU Comparison
Intel Core i9-10980XE vs Intel Core i9-9920X
A side-by-side comparison of specs, performance and value. The Intel Core i9-10980XE is an 18-core, 36-thread high-end desktop processor built on the Cascade Lake-X architecture for enthusiasts and creators who need lots of PCIe lanes and quad-channel memory bandwidth on the LGA2066 platform.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Gaming
Virtualization
Efficiency
Specialized Performance
AI / ML
- AVX-512 and DL Boost help with CPU-based inference and some AI workloads
- No dedicated AI accelerator; far slower than modern NPUs or GPUs for large models
- No dedicated AI or matrix hardware beyond AVX-512.
- Can handle CPU-based inference for small models, but is outclassed by modern NPUs and GPUs for serious AI workloads.
Content Creation
Gaming
- High single-core boost up to 4.8 GHz helps in CPU-heavy titles
- PCIe 3.0 x16 is sufficient for current GPUs, but lacks PCIe 4.0/5.0 benefits
- Modern gaming CPUs often outperform it in latency-sensitive titles and 1% lows
- High single-core boost (4.4/4.5 GHz) keeps frame rates high in CPU-heavy titles.
- Quad-channel memory can help in some CPU-limited scenarios.
- Modern 6–8 core mainstream CPUs often match or beat it in gaming while using less power.
- Best paired with a high-end GPU for balanced system; GPU bottlenecks are more likely at 4K.
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- 18 cores and 36 threads for heavily threaded workloads
- 48 PCIe 3.0 lanes for multi-GPU and NVMe configurations
- Quad-channel DDR4-2933 memory with up to 256 GB support
- Strong multi-threaded creator and workstation performance
- Unlocked multiplier for overclocking
- AVX-512 and DL Boost support for certain compute and AI workloads
Cons
- High power consumption and heat output for the performance level
- 14nm process is far behind modern nodes in efficiency and density
- No integrated graphics; requires discrete GPU
- Discontinued platform with no upgrade path beyond Cascade Lake-X
- PCIe 3.0 only, lacking PCIe 4.0/5.0 benefits of newer platforms
Pros
- 12 cores and 24 threads for heavily threaded workloads.
- 44 PCIe 3.0 lanes for multi-GPU and fast storage.
- Quad-channel DDR4-2666 with up to 128 GB official support.
- AVX-512 support for specialized vectorized workloads.
- Unlocked multiplier for overclocking on X299.
- Strong multi-threaded performance for its era.
Cons
- High 165 W TDP and real-world power draw under load.
- 14 nm Skylake-X is less efficient than modern architectures.
- No integrated graphics; discrete GPU required.
- X299 platform is discontinued with no upgrade path beyond Cascade Lake-X.
- Newer CPUs (Ryzen 9 3900X, 12th+ gen Intel) often offer better performance per watt and per dollar.
Competitors & Alternatives
Intel Core i9-10980XE
- AMD Ryzen 9 3950XRival
High-End Desktop / Creator
- AMD Ryzen Threadripper 3960XRival
Workstation / HEDT
- AMD Ryzen Threadripper 3970XRival
Workstation / HEDT
- Compare head-to-headIntel Core i9-9980XERival
HEDT / Workstation
- Intel Xeon W-2295Rival
Workstation
- AMD Ryzen 9 7900Alt
More modern and efficient platform with DDR5 and PCIe 4.0, better for mixed gaming and creator workloads.
Much higher single-thread and gaming performance, plus modern platform features, though fewer PCIe lanes.
Compare head-to-head- AMD Ryzen 9 7950XAlt
Higher multi-threaded performance, better efficiency, and newer platform if you don’t need 48 PCIe lanes.
- Intel Xeon W-2400 seriesAlt
Modern workstation platform with DDR5 and PCIe 5.0 if you need many lanes and workstation reliability.
- AMD Ryzen Threadripper 7000 seriesAlt
True HEDT successor with more cores, PCIe 5.0, and quad-channel DDR5 for heavy workstation use.
Intel Core i9-9920X
- AMD Ryzen Threadripper 2920XRival
HEDT / Workstation
- AMD Ryzen 9 3900XRival
High-End Desktop
- Compare head-to-headIntel Core i9-10920XRival
HEDT / Workstation
- Intel Core i9-7900XRival
HEDT / Workstation
- Compare head-to-headIntel Core i9-9980XERival
HEDT / Workstation
- Intel Core i7-14700KAlt
Much faster for gaming and lightly threaded tasks, with far better efficiency and a modern platform.
- AMD Ryzen 9 7900Alt
Modern 12C/24T Zen 4 CPU with DDR5, PCIe 5.0, and significantly lower power draw.
Higher performance in both gaming and productivity with a newer feature set, though also high power.
Compare head-to-head
Our Verdict on Each
Still a potent workstation and creator CPU thanks to its core count and expansion, but its 14nm process and high power draw make it hard to recommend over modern mainstream or HEDT alternatives unless bought cheap on the used market.
Best for: Used or heavily discounted workstation/creator build where you need many PCIe lanes and cores and already have an X299 motherboard.
Read the full reviewA capable HEDT CPU with excellent multi-threaded performance and expansive I/O, but high power consumption and an aging platform make it primarily interesting for used workstation builds rather than new systems.
Best for: Used workstation or HEDT build where X299, quad-channel memory, and many PCIe lanes are requirements, and a modern platform upgrade is not feasible.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i9-10980XE or Intel Core i9-9920X?
Based on our editorial ratings, the Intel Core i9-10980XE 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 i9-10980XE or Intel Core i9-9920X?
For gaming, the Intel Core i9-10980XE leads with a gaming performance score of 80/100 among Intel Core i9-10980XE and Intel Core i9-9920X.
Do Intel Core i9-10980XE and Intel Core i9-9920X use the same socket?
Yes — all of these CPUs use the FCLGA2066 socket, so they share compatible motherboards.
Which has more cores?
The Intel Core i9-10980XE has the most cores. Core counts: Intel Core i9-10980XE (18 cores), Intel Core i9-9920X (12 cores).