
Core i7-620LM vs Celeron J4025

Core i7-620LM

Celeron J4025
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 Celeron J4025 is on rank 537, so the Celeron J4025 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 Celeron J4025
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-620LM | Celeron J4025 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($300) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) | ✨ Modern (Gemini Lake Refresh (2019) / 14 nm) |
💎 Value Proposition
| Insight | Core i7-620LM | Celeron J4025 |
|---|---|---|
| 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 Celeron J4025

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.

Celeron J4025
The Celeron J4025 is manufactured by Intel. It was released in 4 November 2019 (6 years ago). It is based on the Gemini Lake Refresh (2019) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2.9 GHz. L3 cache: 4 MB. L2 cache: 4 MB (total). Built on 14 nm process technology. Socket: FCBGA1090. Thermal design power (TDP): 10 Watt. Memory support: DDR4. Passmark benchmark score: 1,450 points. Launch price was $107.
Processing Power
The Core i7-620LM packs 2 cores / 4 threads, matching the Celeron J4025's 2 cores. Boost clocks reach 2.8 GHz on the Core i7-620LM versus 2.9 GHz on the Celeron J4025 — a 3.5% clock advantage for the Celeron J4025 (base: 2 GHz vs 2 GHz). The Core i7-620LM uses the Arrandale (2010−2011) architecture (32 nm), while the Celeron J4025 uses Gemini Lake Refresh (2019) (14 nm). In PassMark, the Core i7-620LM scores 1,463 against the Celeron J4025's 1,450 — a 0.9% lead for the Core i7-620LM. L3 cache: 4 MB (total) on the Core i7-620LM vs 4 MB on the Celeron J4025.
| Feature | Core i7-620LM | Celeron J4025 |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 2 |
| Boost Clock | 2.8 GHz | 2.9 GHz+4% |
| Base Clock | 2 GHz | 2 GHz |
| L3 Cache | 4 MB (total) | 4 MB |
| L2 Cache | 256 kB (per core) | 4 MB (total)+1500% |
| Process | 32 nm | 14 nm-56% |
| Architecture | Arrandale (2010−2011) | Gemini Lake Refresh (2019) |
| PassMark | 1,463 | 1,450 |
| Geekbench 6 Single | 450 | — |
| Geekbench 6 Multi | 900 | — |
Memory & Platform
The Core i7-620LM uses the BGA1288 socket (PCIe 2.0), while the Celeron J4025 uses FCBGA1090 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1066 on the Core i7-620LM versus 2400 on the Celeron J4025 — the Celeron J4025 supports 199.5% 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 6 (Celeron J4025) — the Core i7-620LM offers 10 more lanes for additional GPUs or NVMe drives. Chipset compatibility: QM57,HM55 (Core i7-620LM) and BGA1090 (Celeron J4025).
| Feature | Core i7-620LM | Celeron J4025 |
|---|---|---|
| Socket | BGA1288 | FCBGA1090 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1066 | 2400+79900% |
| Max RAM Capacity | 8 GB+104857500% | 8 |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16+167% | 6 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Core i7-620LM) vs true (Celeron J4025). Both include integrated graphics — Intel HD Graphics (Core i7-620LM) and Intel UHD Graphics 600 (Celeron J4025) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-620LM targets Budget. Direct competitor: Core i7-620LM rivals Ryzen 5 3500U; Celeron J4025 rivals Ryzen Embedded R1102G.
| Feature | Core i7-620LM | Celeron J4025 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel HD Graphics | Intel UHD Graphics 600 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | true |
| Target Use | Budget | — |
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