CPU Comparison
Intel Core i9-12900 vs Intel Core i9-12900E
A side-by-side comparison of specs, performance and value. The Intel Core i9-12900 is a 16-core, 24-thread high-end desktop processor based on the Alder Lake-S hybrid architecture, combining eight high‑performance P‑cores and eight efficient E‑cores with 30 MB of shared L3 cache. It targets enthusiasts, creators, and power users who want strong single‑threaded performance and solid multi‑threaded throughput without the higher power envelope of the unlocked K‑series.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Gaming
Virtualization
Efficiency
Specialized Performance
AI / ML
- No dedicated AI accelerator like MTL/Xeon; AVX2 and VNNI only
- Suitable for light CPU‑based inference and ML dev workloads
- Not competitive with modern NPUs or data‑center AI accelerators
- Supports Intel Deep Learning Boost (AVX‑512 VNNI) and Gaussian & Neural Accelerator 3.0 for AI acceleration.
- No dedicated NPU; AI workloads run on CPU/iGPU with DL Boost and GNA.
- Suitable for light to moderate CPU‑based inference and edge AI tasks, not large‑scale training.
Content Creation
Gaming
- High single‑core boost up to 5.1 GHz benefits many game engines
- Capable of high‑refresh 1080p and smooth 1440p gaming
- Power and thermals may limit long‑duration boost compared to K‑series
- P‑cores reach up to 5.0 GHz, providing strong single‑thread for most games.
- Best suited for 1080p high‑refresh or 1440p gaming with a mid‑range or high‑end GPU.
- Lacks unlocked multiplier, so B‑clk overclocking is the main tuning path.
- Newer Raptor Lake and Zen 4 CPUs often match or beat it in gaming at similar or lower power.
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- 16 cores and 24 threads with hybrid P/E design
- High single‑threaded performance up to 5.1 GHz
- DDR4 and DDR5 support with up to 128 GB capacity
- PCIe 5.0 x16 + PCIe 4.0 x4 from the CPU
- UHD Graphics 770 with Quick Sync for video encode/decode
- 65W base power enables smaller coolers and quieter systems
Cons
- Can still draw ~200W under turbo, requiring robust cooling
- Locked multiplier limits traditional overclocking
- Less efficient than newer 13th/14th‑Gen designs at similar performance
- No AVX‑512 in consumer configurations (disabled on desktop Alder Lake)
- Platform is now one generation behind Raptor Lake and two behind Meteor Lake
Pros
- 16 cores and 24 threads in a 65 W base‑power envelope
- DDR4 and DDR5 support with ECC
- Integrated UHD Graphics 770 for basic display and quick sync
- 20 PCIe 5.0/4.0 lanes from the CPU
- Embedded‑grade lifecycle and use conditions
- Strong multi‑threaded performance for compact and industrial systems
Cons
- Locked multiplier; limited overclocking headroom
- Lower P‑core base and turbo clocks than i9-12900/K‑series
- Newer Raptor Lake and Zen 4 alternatives often surpass it in performance per watt
- Primarily aimed at embedded channel; retail availability and pricing can be inconsistent
- PL2 power can exceed 200 W, reducing efficiency advantage under heavy load
Competitors & Alternatives
Intel Core i9-12900
- AMD Ryzen 9 5900XRival
High-End Desktop
- AMD Ryzen 9 7900Rival
High-End Desktop
- Compare head-to-headIntel Core i9-12900KRival
Enthusiast Desktop
- Intel Core i7-12700KRival
High-End Desktop
- Compare head-to-headIntel Core i9-11900KRival
Previous-Gen High-End
- Intel Core i7-12700Alt
Similar hybrid architecture with fewer cores but better value if you don’t need 16 cores.
13th‑Gen Raptor Lake with more E‑cores, higher clocks and better efficiency for new builds.
Compare head-to-head
Intel Core i9-12900E
- AMD Ryzen 9 5900XRival
High‑End Desktop
- AMD Ryzen 9 7900Rival
Enthusiast Desktop
- Compare head-to-headIntel Core i9-12900Rival
Mainstream Desktop
- Compare head-to-headIntel Core i9-13900ERival
Embedded / Desktop
- Compare head-to-headIntel Core i9-12900FRival
Mainstream Desktop
- Intel Core i7-12700EAlt
Lower cost with fewer cores but still solid performance; attractive when you don’t need full i9‑class throughput.
- Intel Core i5-13600KAlt
Better gaming and single‑thread performance with an unlocked multiplier, at the cost of higher power consumption.
Our Verdict on Each
A potent high‑end desktop CPU that brings Alder Lake’s hybrid architecture to a 65W base power envelope, offering excellent single‑threaded performance and strong multi‑core throughput, though it can still draw substantial power under turbo and is outclassed by newer 13th/14th‑Gen chips in efficiency.
Best for: Used or discounted high‑end desktop builds where you want Alder Lake performance but don’t need unlocked overclocking or the latest 13th/14th‑Gen efficiency.
Read the full reviewA potent 16-core Alder Lake processor for embedded and small-form-factor systems, offering strong multi‑threaded performance and modern I/O within a 65 W envelope, but without an unlocked multiplier and facing newer Raptor Lake alternatives.
Best for: Embedded or compact desktop builds where you need 16 cores, 65 W base power, DDR4/DDR5 flexibility, and long‑term availability more than overclocking headroom.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i9-12900 or Intel Core i9-12900E?
Based on our editorial ratings, the Intel Core i9-12900 comes out ahead with a score of 8.6/10. 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 i9-12900 or Intel Core i9-12900E?
For gaming, the Intel Core i9-12900 leads with a gaming performance score of 86/100 among Intel Core i9-12900 and Intel Core i9-12900E.
Do Intel Core i9-12900 and Intel Core i9-12900E use the same socket?
No. They use different sockets (Intel Core i9-12900: Intel Socket 1700 (LGA1700), Intel Core i9-12900E: FCLGA1700 (Socket 1700)), so each needs a compatible motherboard.
Which is faster in multi-core benchmarks?
The Intel Core i9-12900 posts the highest multi-core benchmark score. Multi-core results: Intel Core i9-12900 (33,643), Intel Core i9-12900E (28,170). Benchmark figures are approximate and workload-dependent.