Pentium G3258 vs Celeron 2955U
Pentium G3258
Celeron 2955U
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 Pentium G3258 is positioned at rank 632 and the Celeron 2955U is on rank 427, so the Celeron 2955U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium G3258
Performance Per Dollar Celeron 2955U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium G3258 | Celeron 2955U |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($72) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Haswell (2013−2015) / 22 nm) | 🛑 Legacy (Haswell (2013−2015) / 22 nm) |
💎 Value Proposition
| Insight | Pentium G3258 | Celeron 2955U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($72) | ✅ 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 Pentium G3258 and Celeron 2955U
Pentium G3258
The Pentium G3258 is manufactured by Intel. It was released in 2 June 2014 (11 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 53 Watt. Memory support: DDR3. Passmark benchmark score: 2,063 points. Launch price was $77.
Celeron 2955U
The Celeron 2955U is manufactured by Intel. It was released in 2007-01-01. It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 1.4 GHz, with boost up to 1.4 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 2,069 points. Launch price was $69.
Processing Power
Both the Pentium G3258 and Celeron 2955U share an identical 2-core/2-thread configuration. Boost clocks reach 3.2 GHz on the Pentium G3258 versus 1.4 GHz on the Celeron 2955U — a 78.3% clock advantage for the Pentium G3258 (base: 3.2 GHz vs 1.4 GHz). Both are built on the Haswell (2013−2015) architecture using a 22 nm process. In PassMark, the Pentium G3258 scores 2,063 against the Celeron 2955U's 2,069 — a 0.3% lead for the Celeron 2955U. L3 cache: 3 MB (total) on the Pentium G3258 vs 2 MB (total) on the Celeron 2955U.
| Feature | Pentium G3258 | Celeron 2955U |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 3.2 GHz+129% | 1.4 GHz |
| Base Clock | 3.2 GHz+129% | 1.4 GHz |
| L3 Cache | 3 MB (total)+50% | 2 MB (total) |
| L2 Cache | 256 kB (per core) | 256K (per core) |
| Process | 22 nm | 22 nm |
| Architecture | Haswell (2013−2015) | Haswell (2013−2015) |
| PassMark | 2,063 | 2,069 |
Memory & Platform
The Pentium G3258 uses the LGA1150 socket (PCIe 3.0), while the Celeron 2955U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. The Pentium G3258 supports up to 32 GB of RAM compared to 16 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Pentium G3258) vs 10 (Celeron 2955U) — the Pentium G3258 offers 6 more lanes for additional GPUs or NVMe drives.
| Feature | Pentium G3258 | Celeron 2955U |
|---|---|---|
| Socket | LGA1150 | FCBGA1168 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR3-1333 | DDR3L-1600 |
| Max RAM Capacity | 32 GB+100% | 16 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 16+60% | 10 |
Advanced Features
Only the Pentium G3258 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support VT-x virtualization. Both include integrated graphics — HD Graphics (Pentium G3258) and HD Graphics (Haswell) (Celeron 2955U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Pentium G3258 targets Desktop, Celeron 2955U targets Budget. Direct competitor: Celeron 2955U rivals Pentium 2117U.
| Feature | Pentium G3258 | Celeron 2955U |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics | HD Graphics (Haswell) |
| Unlocked | Yes | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x |
| Target Use | Desktop | Budget |
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