
Core i5-1240P

Core i9-9900
Core i5-1240P vs Core i9-9900 Performance Spectrum
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Core i5-1240P vs Core i9-9900 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Core i5-1240P vs Core i9-9900: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Core i5-1240P
2022Why buy it
- ✅+47.9% higher Cinebench R23 multi-core.
- ✅Costs $114 less on MSRP ($309 MSRP vs $423 MSRP).
- ✅Delivers 36.8% more PassMark for each dollar spent, at 52.5 vs 38.4 PassMark/$ ($309 MSRP vs $423 MSRP).
- ✅Draws 28W instead of 65W, a 37W reduction.
- ✅Newer platform on FCBGA1744 with DDR5 support instead of LGA1151 and DDR4.
Trade-offs
- ❌Worse for gaming: lower average FPS than Core i9-9900 across 50 shared CPU benchmark tests.
- ❌Smaller total L3 cache (12 MB vs 16 MB).
- ❌No boxed cooler included, unlike Core i9-9900.
Core i9-9900
2019Why buy it
- ✅Better for gaming: +19.1% higher average FPS across 50 shared CPU benchmark tests.
- ✅+33.3% larger total L3 cache (16 MB vs 12 MB).
- ✅Includes a boxed cooler (Yes), unlike Core i5-1240P.
Trade-offs
- ❌Lower Cinebench R23 multi-core (7,619 vs 11,268).
- ❌Lower PassMark per dollar, at 38.4 vs 52.5 PassMark/$ ($423 MSRP vs $309 MSRP).
- ❌132.1% higher power demand at 65W vs 28W.
- ❌Older platform position on LGA1151 with DDR4, while Core i5-1240P moves to FCBGA1744 and DDR5.
Quick Answers
So, is Core i5-1240P better than Core i9-9900?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Core i5-1240P vs Core i9-9900 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i5-1240P
The Core i5-1240P is manufactured by Intel. It was released in 23 February 2022 (3 years ago). It is based on the Alder Lake-P (2022) architecture. It features 12 cores and 16 threads. Base frequency is 1.7 GHz, with boost up to 4.4 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 28 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 16,224 points. Launch price was $299.

Core i9-9900
The Core i9-9900 is manufactured by Intel. It was released in 23 April 2019 (6 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 16 threads. Base frequency is 3.1 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 65 Watt. Memory support: DDR4-2666. Passmark benchmark score: 16,238 points. Launch price was $439.
Processing Power
The Core i5-1240P packs 12 cores / 16 threads, while the Core i9-9900 offers 8 cores / 16 threads — the Core i5-1240P has 4 more cores. Boost clocks reach 4.4 GHz on the Core i5-1240P versus 5 GHz on the Core i9-9900 — a 12.8% clock advantage for the Core i9-9900 (base: 1.7 GHz vs 3.1 GHz). The Core i5-1240P uses the Alder Lake-P (2022) architecture (Intel 7 nm), while the Core i9-9900 uses Coffee Lake-R (2018−2019) (14 nm). In PassMark, the Core i5-1240P scores 16,224 against the Core i9-9900's 16,238 — a 0.1% lead for the Core i9-9900. Cinebench R23 multi-core: 11,268 vs 7,619 (38.6% advantage for the Core i5-1240P). Geekbench 6 single-core — the metric most relevant to gaming — records 2,102 vs 1,637, a 24.9% lead for the Core i5-1240P that directly translates to higher frame rates. Multi-core Geekbench: 7,577 vs 7,619 (0.6% advantage for the Core i9-9900). L3 cache: 12 MB (total) on the Core i5-1240P vs 16 MB (total) on the Core i9-9900.
| Feature | Core i5-1240P | Core i9-9900 |
|---|---|---|
| Cores / Threads | 12 / 16+50% | 8 / 16 |
| Boost Clock | 4.4 GHz | 5 GHz+14% |
| Base Clock | 1.7 GHz | 3.1 GHz+82% |
| L3 Cache | 12 MB (total) | 16 MB (total)+33% |
| L2 Cache | 1.25 MB (per core) | 256K (per core)+20380% |
| Process | Intel 7 nm-50% | 14 nm |
| Architecture | Alder Lake-P (2022) | Coffee Lake-R (2018−2019) |
| PassMark | 16,224 | 16,238 |
| Cinebench R23 Multi | 11,268+48% | 7,619 |
| Geekbench 6 Single | 2,102+28% | 1,637 |
| Geekbench 6 Multi | 7,577 | 7,619 |
Memory & Platform
The Core i5-1240P uses the FCBGA1744 socket (PCIe 5.0), while the Core i9-9900 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-1240P versus DDR4-2666 on the Core i9-9900 — the Core i5-1240P supports 80% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i9-9900 supports up to 128 GB of RAM compared to 64 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i5-1240P) vs 16 (Core i9-9900) — the Core i5-1240P offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Alder Lake-P (Core i5-1240P) and Z390,B365 (Core i9-9900).
| Feature | Core i5-1240P | Core i9-9900 |
|---|---|---|
| Socket | FCBGA1744 | LGA1151 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | DDR5-4800, DDR4-3200+80% | DDR4-2666 |
| Max RAM Capacity | 64 GB | 128 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | No | No |
| PCIe Lanes | 20+25% | 16 |
Advanced Features
Neither processor supports overclocking. Both support VT-x, VT-d virtualization. Both include integrated graphics — Iris Xe Graphics (Core i5-1240P) and UHD Graphics 630 (Core i9-9900) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-1240P targets Budget. Direct competitor: Core i5-1240P rivals Ryzen 5 6600U.
| Feature | Core i5-1240P | Core i9-9900 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Iris Xe Graphics | UHD Graphics 630 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
| Target Use | Budget | — |
Value Analysis
At launch, the Core i5-1240P was priced at $309, while the Core i9-9900 came in at $423. On launch pricing ($309 vs $423), Core i5-1240P was $114 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-1240P delivers 52.5 pts/$ vs 38.4 pts/$ for the Core i9-9900 — making the Core i5-1240P the 31.1% better value option.
| Feature | Core i5-1240P | Core i9-9900 |
|---|---|---|
| MSRP | $309-27% | $423 |
| Performance per Dollar | 52.5+37% | 38.4 |
| Release Date | 2022 | 2019 |
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