
Celeron G550

Pentium U5400
Celeron G550 vs Pentium U5400 Performance Spectrum
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.
Celeron G550 vs Pentium U5400 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Celeron G550 vs Pentium U5400: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Celeron G550
2012Why buy it
- ✅+122.9% higher Geekbench single-core performance for gaming and desktop responsiveness.
- ✅Costs $237 less on MSRP ($52 MSRP vs $289 MSRP).
- ✅Delivers 451.0% more PassMark for each dollar spent, at 24.5 vs 4.4 PassMark/$ ($52 MSRP vs $289 MSRP).
Trade-offs
- ❌Smaller total L3 cache (2 MB vs 3 MB).
- ❌261.1% higher power demand at 65W vs 18W.
Pentium U5400
2010Why buy it
- ✅+50% larger total L3 cache (3 MB vs 2 MB).
- ✅Draws 18W instead of 65W, a 47W reduction.
Trade-offs
- ❌Lower Geekbench single-core performance for gaming (170 vs 379).
- ❌Lower Geekbench multi-core (300 vs 663).
- ❌Lower PassMark per dollar, at 4.4 vs 24.5 PassMark/$ ($289 MSRP vs $52 MSRP).
Quick Answers
So, is Celeron G550 better than Pentium U5400?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Celeron G550 vs Pentium U5400 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Celeron G550
The Celeron G550 is manufactured by Intel. It was released in 1 June 2012 (13 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 2 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,275 points. Launch price was $80.

Pentium U5400
The Pentium U5400 is manufactured by Intel. It was released in 2007-01-01. It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 2 threads. Base frequency is 1.2 GHz, with boost up to 1.2 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3. Passmark benchmark score: 1,286 points. Launch price was $69.
Processing Power
Both the Celeron G550 and Pentium U5400 share an identical 2-core/2-thread configuration. Boost clocks reach 2.6 GHz on the Celeron G550 versus 1.2 GHz on the Pentium U5400 — a 73.7% clock advantage for the Celeron G550 (base: 2.6 GHz vs 1.2 GHz). The Celeron G550 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Pentium U5400 uses Arrandale (2010−2011) (32 nm). In PassMark, the Celeron G550 scores 1,275 against the Pentium U5400's 1,286 — a 0.9% lead for the Pentium U5400. Geekbench 6 single-core — the metric most relevant to gaming — records 379 vs 170, a 76.1% lead for the Celeron G550 that directly translates to higher frame rates. Multi-core Geekbench: 663 vs 300 (75.4% advantage for the Celeron G550). L3 cache: 2 MB (total) on the Celeron G550 vs 3 MB (total) on the Pentium U5400.
| Feature | Celeron G550 | Pentium U5400 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.6 GHz+117% | 1.2 GHz |
| Base Clock | 2.6 GHz+117% | 1.2 GHz |
| L3 Cache | 2 MB (total) | 3 MB (total)+50% |
| L2 Cache | 256 kB (per core) | 256K (per core) |
| Process | 32 nm | 32 nm |
| Architecture | Sandy Bridge (2011−2013) | Arrandale (2010−2011) |
| PassMark | 1,275 | 1,286 |
| Geekbench 6 Single | 379+123% | 170 |
| Geekbench 6 Multi | 663+121% | 300 |
Memory & Platform
The Celeron G550 uses the LGA1155 socket (PCIe 2.0), while the Pentium U5400 uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1066 on the Celeron G550 versus DDR3-800 on the Pentium U5400 — the Celeron G550 supports 33.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G550 supports up to 32 GB of RAM compared to 8 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: H61,B65,H67,Z68 (Celeron G550) and HM55 (Pentium U5400).
| Feature | Celeron G550 | Pentium U5400 |
|---|---|---|
| Socket | LGA1155 | BGA1288 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1066+33% | DDR3-800 |
| Max RAM Capacity | 32 GB+300% | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | No | No |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Both support VT-x virtualization. Both include integrated graphics — HD Graphics (Sandy Bridge) (Celeron G550) and Intel HD Graphics (Ironlake) (Pentium U5400) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron G550 targets Budget, Pentium U5400 targets Legacy Budget Laptop. Direct competitor: Celeron G550 rivals Pentium G630.
| Feature | Celeron G550 | Pentium U5400 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics (Sandy Bridge) | Intel HD Graphics (Ironlake) |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x |
| Target Use | Budget | Legacy Budget Laptop |
Value Analysis
At launch, the Celeron G550 was priced at $52, while the Pentium U5400 came in at $289. On launch pricing ($52 vs $289), Celeron G550 was $237 cheaper. In terms of value on MSRP (PassMark points per dollar), the Celeron G550 delivers 24.5 pts/$ vs 4.4 pts/$ for the Pentium U5400 — making the Celeron G550 the 138.6% better value option.
| Feature | Celeron G550 | Pentium U5400 |
|---|---|---|
| MSRP | $52-82% | $289 |
| Performance per Dollar | 24.5+457% | 4.4 |
| Release Date | 2012 | 2010 |
Affiliate Disclosure
ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.
Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.














