Celeron G1820T vs Core i5-2557M
Celeron G1820T
Core i5-2557M
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 G1820T is positioned at rank 500 and the Core i5-2557M is on rank 36, so the Core i5-2557M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron G1820T
Performance Per Dollar Core i5-2557M
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron G1820T | Core i5-2557M |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Haswell (2013−2015) / 22 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Celeron G1820T | Core i5-2557M |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 G1820T and Core i5-2557M
Celeron G1820T
The Celeron G1820T is manufactured by Intel. It was released in 1 December 2013 (12 years ago). It is based on the Haswell (2013−2015) 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 (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,599 points. Launch price was $42.
Core i5-2557M
The Core i5-2557M is manufactured by Intel. It was released in 1 June 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 1.7 GHz, with boost up to 2.7 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3. Passmark benchmark score: 1,618 points. Launch price was $250.
Processing Power
The Celeron G1820T packs 2 cores / 2 threads, matching the Core i5-2557M's 2 cores. Boost clocks reach 2.4 GHz on the Celeron G1820T versus 2.7 GHz on the Core i5-2557M — a 11.8% clock advantage for the Core i5-2557M (base: 2.4 GHz vs 1.7 GHz). The Celeron G1820T uses the Haswell (2013−2015) architecture (22 nm), while the Core i5-2557M uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Celeron G1820T scores 1,599 against the Core i5-2557M's 1,618 — a 1.2% lead for the Core i5-2557M. Geekbench 6 single-core — the metric most relevant to gaming — records 415 vs 521, a 22.6% lead for the Core i5-2557M that directly translates to higher frame rates. Multi-core Geekbench: 629 vs 882 (33.5% advantage for the Core i5-2557M). Both processors carry 3 MB (total) of L3 cache.
| Feature | Celeron G1820T | Core i5-2557M |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 4 |
| Boost Clock | 2.4 GHz | 2.7 GHz+13% |
| Base Clock | 2.4 GHz+41% | 1.7 GHz |
| L3 Cache | 3 MB (total) | 3 MB (total) |
| L2 Cache | 256 kB (per core) | 256K (per core) |
| Process | 22 nm-31% | 32 nm |
| Architecture | Haswell (2013−2015) | Sandy Bridge (2011−2013) |
| PassMark | 1,599 | 1,618+1% |
| Geekbench 6 Single | 415 | 521+26% |
| Geekbench 6 Multi | 629 | 882+40% |
Memory & Platform
The Celeron G1820T uses the LGA1150 socket (PCIe 3.0), while the Core i5-2557M uses BGA1023 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. The Celeron G1820T supports up to 32 GB of RAM compared to 8 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: H81,B85,H87,Z87,H97,Z97 (Celeron G1820T) and HM65,QS67 (Core i5-2557M).
| Feature | Celeron G1820T | Core i5-2557M |
|---|---|---|
| Socket | LGA1150 | BGA1023 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR3-1333 | DDR3-1333 |
| Max RAM Capacity | 32 GB+300% | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Celeron G1820T) vs VT-x, VT-d (Core i5-2557M). Both include integrated graphics — HD Graphics (Haswell) (Celeron G1820T) and HD Graphics 3000 (Core i5-2557M) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron G1820T targets Budget, Core i5-2557M targets Budget. Direct competitor: Celeron G1820T rivals Pentium G3220T; Core i5-2557M rivals Ryzen 3 3200U.
| Feature | Celeron G1820T | Core i5-2557M |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics (Haswell) | HD Graphics 3000 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x, VT-d |
| Target Use | Budget | Budget |
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