Core i9-9960X vs Core i9-12900T
Core i9-9960X
Core i9-12900T
Performance Spectrum - CPU
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i9-9960X
Performance Per Dollar Core i9-12900T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-9960X | Core i9-12900T |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($200) | ⚠️ Higher cost ($378) |
| Longevity | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) | ✨ Modern (Alder Lake-S (2022) / Intel 7 nm) |
💎 Value Proposition
| Insight | Core i9-9960X | Core i9-12900T |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+91%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($200) | ⚠️ Higher cost ($378) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Core i9-9960X and Core i9-12900T
Core i9-9960X
The Core i9-9960X is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 16 cores and 32 threads. Base frequency is 3.1 GHz, with boost up to 4.5 GHz. L3 cache: 22 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2666. Passmark benchmark score: 29,927 points. Launch price was $1,684.
Core i9-12900T
The Core i9-12900T is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 16 cores and 24 threads. Base frequency is 1.4 GHz, with boost up to 4.9 GHz. L3 cache: 30 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 35 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 29,601 points. Launch price was $299.
Processing Power
The Core i9-9960X packs 16 cores / 32 threads, matching the Core i9-12900T's 16 cores. Boost clocks reach 4.5 GHz on the Core i9-9960X versus 4.9 GHz on the Core i9-12900T — a 8.5% clock advantage for the Core i9-12900T (base: 3.1 GHz vs 1.4 GHz). The Core i9-9960X uses the Skylake (server) (2017−2018) architecture (14 nm), while the Core i9-12900T uses Alder Lake-S (2022) (Intel 7 nm). In PassMark, the Core i9-9960X scores 29,927 against the Core i9-12900T's 29,601 — a 1.1% lead for the Core i9-9960X. Geekbench 6 single-core — the metric most relevant to gaming — records 1,650 vs 2,331, a 34.2% lead for the Core i9-12900T that directly translates to higher frame rates. Multi-core Geekbench: 10,700 vs 12,116 (12.4% advantage for the Core i9-12900T). L3 cache: 22 MB (total) on the Core i9-9960X vs 30 MB (total) on the Core i9-12900T.
| Feature | Core i9-9960X | Core i9-12900T |
|---|---|---|
| Cores / Threads | 16 / 32 | 16 / 24 |
| Boost Clock | 4.5 GHz | 4.9 GHz+9% |
| Base Clock | 3.1 GHz+121% | 1.4 GHz |
| L3 Cache | 22 MB (total) | 30 MB (total)+36% |
| L2 Cache | 1 MB (per core) | 1.25 MB (per core)+25% |
| Process | 14 nm | Intel 7 nm-50% |
| Architecture | Skylake (server) (2017−2018) | Alder Lake-S (2022) |
| PassMark | 29,927+1% | 29,601 |
| Cinebench R23 Multi | — | 22,809 |
| Geekbench 6 Single | 1,650 | 2,331+41% |
| Geekbench 6 Multi | 10,700 | 12,116+13% |
Memory & Platform
The Core i9-9960X uses the LGA2066 socket (PCIe 3.0), while the Core i9-12900T uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i9-9960X versus DDR5-4800 on the Core i9-12900T — the Core i9-12900T supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Memory channels: 4 (Core i9-9960X) vs 2 (Core i9-12900T). PCIe lanes: 44 (Core i9-9960X) vs 20 (Core i9-12900T) — the Core i9-9960X offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X299 (Core i9-9960X) and LGA1700 (Core i9-12900T).
| Feature | Core i9-9960X | Core i9-12900T |
|---|---|---|
| Socket | LGA2066 | LGA1700 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-2666 | DDR5-4800+25% |
| Max RAM Capacity | 128 GB | 128 GB |
| RAM Channels | 4+100% | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 44+120% | 20 |
Advanced Features
Only the Core i9-9960X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d virtualization. The Core i9-12900T includes integrated graphics (UHD Graphics 770), while the Core i9-9960X requires a dedicated GPU. Primary use case: Core i9-9960X targets HEDT.
| Feature | Core i9-9960X | Core i9-12900T |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | UHD Graphics 770 |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
| Target Use | HEDT | — |
Value Analysis
The Core i9-9960X launched at $1684 MSRP, while the Core i9-12900T debuted at $489. At current prices ($200 vs $378), the Core i9-9960X is $178 cheaper. In terms of value (PassMark points per dollar), the Core i9-9960X delivers 149.6 pts/$ vs 78.3 pts/$ for the Core i9-12900T — making the Core i9-9960X the 62.6% better value option.
| Feature | Core i9-9960X | Core i9-12900T |
|---|---|---|
| MSRP | $1684 | $489-71% |
| Avg Price (30d) | $200-47% | $378 |
| Performance per Dollar | 149.6+91% | 78.3 |
| Release Date | 2018 | 2022 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Core i9-9960X and Core i9-12900T
