Core i7-660UM vs Ryzen 9 7950X3D
Core i7-660UM
Popular choices:
Ryzen 9 7950X3D
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 7950X3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-660UM | Ryzen 9 7950X3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($317) | ⚠️ Higher cost ($486) |
| Longevity | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm, 6 nm) |
💎 Value Proposition
| Insight | Core i7-660UM | Ryzen 9 7950X3D |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+3078%) |
| Upfront Cost | ✅ More affordable ($317) | ⚠️ Higher cost ($486) |
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 7950X3D
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 7950X3D
The Ryzen 9 7950X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 16 cores and 32 threads. Base frequency is 4.2 GHz, with boost up to 5.7 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm, 6 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 62,323 points. Launch price was $699.
Processing Power
The Core i7-660UM packs 2 cores / 4 threads, while the Ryzen 9 7950X3D offers 16 cores / 32 threads — the Ryzen 9 7950X3D has 14 more cores. Boost clocks reach 2.4 GHz on the Core i7-660UM versus 5.7 GHz on the Ryzen 9 7950X3D — a 81.5% clock advantage for the Ryzen 9 7950X3D (base: 1.33 GHz vs 4.2 GHz). The Core i7-660UM uses the Arrandale (2010−2011) architecture (32 nm), while the Ryzen 9 7950X3D uses Raphael (Zen4) (2022−2023) (5 nm, 6 nm). In PassMark, the Core i7-660UM scores 1,279 against the Ryzen 9 7950X3D's 62,323 — a 192% lead for the Ryzen 9 7950X3D. Geekbench 6 single-core — the metric most relevant to gaming — records 250 vs 2,926, a 168.5% lead for the Ryzen 9 7950X3D that directly translates to higher frame rates. Multi-core Geekbench: 600 vs 19,643 (188.1% advantage for the Ryzen 9 7950X3D). L3 cache: 4 MB (total) on the Core i7-660UM vs 128 MB (total) on the Ryzen 9 7950X3D.
| Feature | Core i7-660UM | Ryzen 9 7950X3D |
|---|---|---|
| Cores / Threads | 2 / 4 | 16 / 32+700% |
| Boost Clock | 2.4 GHz | 5.7 GHz+138% |
| Base Clock | 1.33 GHz | 4.2 GHz+216% |
| L3 Cache | 4 MB (total) | 128 MB (total)+3100% |
| L2 Cache | 256 kB (per core) | 1 MB (per core)+300% |
| Process | 32 nm | 5 nm, 6 nm-84% |
| Architecture | Arrandale (2010−2011) | Raphael (Zen4) (2022−2023) |
| PassMark | 1,279 | 62,323+4773% |
| Cinebench R23 Multi | — | 38,581 |
| Geekbench 6 Single | 250 | 2,926+1070% |
| Geekbench 6 Multi | 600 | 19,643+3174% |
Memory & Platform
The Core i7-660UM uses the BGA1288 socket (PCIe 2.0), while the Ryzen 9 7950X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1066 on the Core i7-660UM versus DDR5-5200 on the Ryzen 9 7950X3D — the Ryzen 9 7950X3D supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 7950X3D 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 28 (Ryzen 9 7950X3D) — the Ryzen 9 7950X3D offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: PM55,HM55,QM57,HM57 (Core i7-660UM) and AMD X670E,AMD X670,AMD B650E,AMD B650 (Ryzen 9 7950X3D).
| Feature | Core i7-660UM | Ryzen 9 7950X3D |
|---|---|---|
| Socket | BGA1288 | AM5 |
| PCIe Generation | PCIe 2.0 | PCIe 5.0+150% |
| Max RAM Speed | DDR3-1066 | DDR5-5200+67% |
| Max RAM Capacity | 8 GB | 128 GB+1500% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 16 | 28+75% |
Advanced Features
Only the Ryzen 9 7950X3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 9 7950X3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i7-660UM) vs true (Ryzen 9 7950X3D). Both include integrated graphics — HD Graphics (Core i7-660UM) and Radeon Graphics (Ryzen 9 7950X3D) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-660UM targets Budget. Direct competitor: Ryzen 9 7950X3D rivals Core i9-13900K.
| Feature | Core i7-660UM | Ryzen 9 7950X3D |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics | Radeon Graphics |
| Unlocked | No | Yes |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | true |
| Target Use | Budget | — |
Value Analysis
The Core i7-660UM launched at $317 MSRP, while the Ryzen 9 7950X3D debuted at $699.
| Feature | Core i7-660UM | Ryzen 9 7950X3D |
|---|---|---|
| MSRP | $317-55% | $699 |
| Avg Price (30d) | — | $486 |
| Release Date | 2010 | 2023 |
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