Celeron G1620T vs Core i7-640LM
Celeron G1620T
Core i7-640LM
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 Celeron G1620T is positioned at rank 533 and the Core i7-640LM is on rank 333, so the Core i7-640LM offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron G1620T
Performance Per Dollar Core i7-640LM
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron G1620T | Core i7-640LM |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Celeron G1620T | Core i7-640LM |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($15) | ✅ 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 Celeron G1620T and Core i7-640LM
Celeron G1620T
The Celeron G1620T is manufactured by Intel. It was released in 1 September 2013 (12 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 2 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,532 points. Launch price was $42.
Core i7-640LM
The Core i7-640LM 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 2.13 GHz, with boost up to 2.93 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: 1,529 points. Launch price was $332.
Processing Power
The Celeron G1620T packs 2 cores / 2 threads, matching the Core i7-640LM's 2 cores. Boost clocks reach 2.4 GHz on the Celeron G1620T versus 2.93 GHz on the Core i7-640LM — a 19.9% clock advantage for the Core i7-640LM (base: 2.4 GHz vs 2.13 GHz). The Celeron G1620T uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Core i7-640LM uses Arrandale (2010−2011) (32 nm). In PassMark, the Celeron G1620T scores 1,532 against the Core i7-640LM's 1,529 — a 0.2% lead for the Celeron G1620T. L3 cache: 2 MB (total) on the Celeron G1620T vs 4 MB (total) on the Core i7-640LM.
| Feature | Celeron G1620T | Core i7-640LM |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 4 |
| Boost Clock | 2.4 GHz | 2.93 GHz+22% |
| Base Clock | 2.4 GHz+13% | 2.13 GHz |
| L3 Cache | 2 MB (total) | 4 MB (total)+100% |
| L2 Cache | 256 kB (per core) | 256 kB (per core) |
| Process | 22 nm-31% | 32 nm |
| Architecture | Ivy Bridge (2012−2013) | Arrandale (2010−2011) |
| PassMark | 1,532 | 1,529 |
| Geekbench 6 Single | 374 | — |
| Geekbench 6 Multi | 701 | — |
Memory & Platform
The Celeron G1620T uses the LGA1155 socket (PCIe 3.0), while the Core i7-640LM uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Celeron G1620T versus 1066 on the Core i7-640LM — the Core i7-640LM supports 198.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G1620T supports up to 32 GB of RAM compared to 8 — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: H61,B75,H77,Z77 (Celeron G1620T) and HM55,HM57,QM57,QS57 (Core i7-640LM).
| Feature | Celeron G1620T | Core i7-640LM |
|---|---|---|
| Socket | LGA1155 | BGA1288 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR3-1333 | 1066+35433% |
| Max RAM Capacity | 32 GB+419430300% | 8 |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Celeron G1620T) vs true (Core i7-640LM). Both include integrated graphics — HD Graphics (Ivy Bridge) (Celeron G1620T) and Intel HD Graphics (Ironlake) (Core i7-640LM) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron G1620T targets Budget. Direct competitor: Celeron G1620T rivals Pentium G2020T; Core i7-640LM rivals Core 2 Duo SL9400.
| Feature | Celeron G1620T | Core i7-640LM |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics (Ivy Bridge) | Intel HD Graphics (Ironlake) |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | true |
| Target Use | Budget | — |
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