
Core i7-660UM vs Ryzen 9 5900X

Core i7-660UM

Ryzen 9 5900X
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. The Core i7-660UM is positioned at rank #1225 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 i7-660UM
Performance Per Dollar Ryzen 9 5900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-660UM | Ryzen 9 5900X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($317) | ⚠️ Higher cost ($350) |
| Longevity | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) | ✨ Modern (Vermeer (Zen3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Core i7-660UM | Ryzen 9 5900X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+2659%) |
| Upfront Cost | ✅ More affordable ($317) | ⚠️ Higher cost ($350) |
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 i7-660UM and Ryzen 9 5900X

Core i7-660UM
The Core i7-660UM is manufactured by Intel. It was released in 24 May 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.33 GHz, with boost up to 2.4 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3-800. Passmark benchmark score: 1,279 points. Launch price was $317.

Ryzen 9 5900X
The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.
Processing Power
The Core i7-660UM packs 2 cores / 4 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 10 more cores. Boost clocks reach 2.4 GHz on the Core i7-660UM versus 4.8 GHz on the Ryzen 9 5900X — a 66.7% clock advantage for the Ryzen 9 5900X (base: 1.33 GHz vs 3.7 GHz). The Core i7-660UM uses the Arrandale (2010−2011) architecture (32 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core i7-660UM scores 1,279 against the Ryzen 9 5900X's 38,955 — a 187.3% lead for the Ryzen 9 5900X. Geekbench 6 single-core — the metric most relevant to gaming — records 250 vs 2,174, a 158.7% lead for the Ryzen 9 5900X that directly translates to higher frame rates. Multi-core Geekbench: 600 vs 11,888 (180.8% advantage for the Ryzen 9 5900X). L3 cache: 4 MB (total) on the Core i7-660UM vs 64 MB on the Ryzen 9 5900X.
| Feature | Core i7-660UM | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 2 / 4 | 12 / 24+500% |
| Boost Clock | 2.4 GHz | 4.8 GHz+100% |
| Base Clock | 1.33 GHz | 3.7 GHz+178% |
| L3 Cache | 4 MB (total) | 64 MB+1500% |
| L2 Cache | 256 kB (per core) | 512K (per core)+100% |
| Process | 32 nm | 7 nm, 12 nm-78% |
| Architecture | Arrandale (2010−2011) | Vermeer (Zen3) (2020−2022) |
| PassMark | 1,279 | 38,955+2946% |
| Cinebench R23 Multi | — | 21,000 |
| Geekbench 6 Single | 250 | 2,174+770% |
| Geekbench 6 Multi | 600 | 11,888+1881% |
Memory & Platform
The Core i7-660UM uses the BGA1288 socket (PCIe 2.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1066 on the Core i7-660UM versus DDR4-3200 on the Ryzen 9 5900X — the Ryzen 9 5900X supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 5900X supports up to 128 GB of RAM compared to 8 GB — 176.5% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i7-660UM) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: PM55,HM55,QM57,HM57 (Core i7-660UM) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).
| Feature | Core i7-660UM | Ryzen 9 5900X |
|---|---|---|
| Socket | BGA1288 | AM4 |
| PCIe Generation | PCIe 2.0 | PCIe 4.0+100% |
| Max RAM Speed | DDR3-1066 | DDR4-3200+33% |
| Max RAM Capacity | 8 GB | 128 GB+1500% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 16 | 24+50% |
Advanced Features
Only the Ryzen 9 5900X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d (Core i7-660UM) vs AMD-V (Ryzen 9 5900X). The Core i7-660UM includes integrated graphics (HD Graphics), while the Ryzen 9 5900X requires a dedicated GPU. Primary use case: Core i7-660UM targets Budget, Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.
| Feature | Core i7-660UM | Ryzen 9 5900X |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | HD Graphics | — |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | AMD-V |
| Target Use | Budget | Workstation |
Value Analysis
The Core i7-660UM launched at $317 MSRP, while the Ryzen 9 5900X debuted at $549.
| Feature | Core i7-660UM | Ryzen 9 5900X |
|---|---|---|
| MSRP | $317-42% | $549 |
| Avg Price (30d) | — | $350 |
| Release Date | 2010 | 2020 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
















