CPU
GPU
Core i7-620LM
Core 2 Duo T8300
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. The Core i7-620LM is positioned at rank 1208 and the Core 2 Duo T8300 is on rank 710, so the Core 2 Duo T8300 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-620LM
Performance Per Dollar Core 2 Duo T8300
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-620LM | Core 2 Duo T8300 |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($300) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | Core i7-620LM | Core 2 Duo T8300 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($300) | ✅ More affordable ($0) |
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 i7-620LM and Core 2 Duo T8300
Core i7-620LM
The Core i7-620LM is manufactured by Intel. It was released in 7 January 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 2 GHz, with boost up to 2.8 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 25 Watt. Memory support: DDR3-800, DDR3-1066. Passmark benchmark score: 1,463 points. Launch price was $300.
Core 2 Duo T8300
The Core 2 Duo T8300 is manufactured by Intel. It was released in 10 January 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 3 MB L2 Cache. L2 cache: 3 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 1,472 points. Launch price was $241.
Processing Power
The Core i7-620LM packs 2 cores / 4 threads, matching the Core 2 Duo T8300's 2 cores. Boost clocks reach 2.8 GHz on the Core i7-620LM versus 2.4 GHz on the Core 2 Duo T8300 — a 15.4% clock advantage for the Core i7-620LM (base: 2 GHz vs 2.4 GHz). The Core i7-620LM uses the Arrandale (2010−2011) architecture (32 nm), while the Core 2 Duo T8300 uses Penryn (2008−2011) (45 nm). In PassMark, the Core i7-620LM scores 1,463 against the Core 2 Duo T8300's 1,472 — a 0.6% lead for the Core 2 Duo T8300. Geekbench 6 single-core — the metric most relevant to gaming — records 450 vs 450, a 0% lead for the Core 2 Duo T8300 that directly translates to higher frame rates. Multi-core Geekbench: 900 vs 850 (5.7% advantage for the Core i7-620LM). L3 cache: 4 MB (total) on the Core i7-620LM vs 3 MB L2 Cache on the Core 2 Duo T8300.
| Feature | Core i7-620LM | Core 2 Duo T8300 |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 2 |
| Boost Clock | 2.8 GHz+17% | 2.4 GHz |
| Base Clock | 2 GHz | 2.4 GHz+20% |
| L3 Cache | 4 MB (total)+33% | 3 MB L2 Cache |
| L2 Cache | 256 kB (per core) | 3 MB+1100% |
| Process | 32 nm-29% | 45 nm |
| Architecture | Arrandale (2010−2011) | Penryn (2008−2011) |
| PassMark | 1,463 | 1,472 |
| Geekbench 6 Single | 450 | 450 |
| Geekbench 6 Multi | 900+6% | 850 |
Memory & Platform
The Core i7-620LM uses the BGA1288 socket (PCIe 2.0), while the Core 2 Duo T8300 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1066 on the Core i7-620LM versus DDR2-800 on the Core 2 Duo T8300 — the Core i7-620LM supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i7-620LM) vs 0 (Core 2 Duo T8300) — the Core i7-620LM offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: QM57,HM55 (Core i7-620LM) and GM965,PM965 (Core 2 Duo T8300).
| Feature | Core i7-620LM | Core 2 Duo T8300 |
|---|---|---|
| Socket | BGA1288 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-1066+50% | DDR2-800 |
| Max RAM Capacity | 8 GB | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 0 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Core i7-620LM) vs VT-x (Core 2 Duo T8300). The Core i7-620LM includes integrated graphics (Intel HD Graphics), while the Core 2 Duo T8300 requires a dedicated GPU. Primary use case: Core i7-620LM targets Budget, Core 2 Duo T8300 targets Legacy Laptop. Direct competitor: Core i7-620LM rivals Ryzen 5 3500U.
| Feature | Core i7-620LM | Core 2 Duo T8300 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel HD Graphics | — |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | VT-x |
| Target Use | Budget | Legacy Laptop |
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