CPU
GPU
Pentium G2120
Xeon E5345
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 G2120 is positioned at rank 753 and the Xeon E5345 is on rank 887, so the Pentium G2120 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium G2120
Performance Per Dollar Xeon E5345
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium G2120 | Xeon E5345 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($20) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) | 🛑 Legacy (Clovertown (2006−2007) / 65 nm) |
💎 Value Proposition
| Insight | Pentium G2120 | Xeon E5345 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($20) | ✅ 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 G2120 and Xeon E5345
Pentium G2120
The Pentium G2120 is manufactured by Intel. It was released in 3 September 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 3.1 GHz, with boost up to 3.1 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 55 Watt. Memory support: DDR3. Passmark benchmark score: 1,876 points. Launch price was $88.
Xeon E5345
The Xeon E5345 is manufactured by Intel. It was released in 14 November 2006 (19 years ago). It is based on the Clovertown (2006−2007) architecture. It features 4 cores and 4 threads. Base frequency is 2.33 GHz, with boost up to 0.33 GHz. L3 cache: 8 MB L2 Cache. L2 cache: 4 MB (total). Built on 65 nm process technology. Socket: LGA771. Thermal design power (TDP): 80 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 1,868 points. Launch price was $851.
Processing Power
The Pentium G2120 packs 2 cores / 2 threads, while the Xeon E5345 offers 4 cores / 4 threads — the Xeon E5345 has 2 more cores. Boost clocks reach 3.1 GHz on the Pentium G2120 versus 0.33 GHz on the Xeon E5345 — a 161.5% clock advantage for the Pentium G2120 (base: 3.1 GHz vs 2.33 GHz). The Pentium G2120 uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Xeon E5345 uses Clovertown (2006−2007) (65 nm). In PassMark, the Pentium G2120 scores 1,876 against the Xeon E5345's 1,868 — a 0.4% lead for the Pentium G2120. L3 cache: 3 MB (total) on the Pentium G2120 vs 8 MB L2 Cache on the Xeon E5345.
| Feature | Pentium G2120 | Xeon E5345 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 3.1 GHz+839% | 0.33 GHz |
| Base Clock | 3.1 GHz+33% | 2.33 GHz |
| L3 Cache | 3 MB (total) | 8 MB L2 Cache+167% |
| L2 Cache | 256 kB (per core) | 4 MB (total)+1500% |
| Process | 22 nm-66% | 65 nm |
| Architecture | Ivy Bridge (2012−2013) | Clovertown (2006−2007) |
| PassMark | 1,876 | 1,868 |
Memory & Platform
The Pentium G2120 uses the LGA1155 socket (PCIe 3.0), while the Xeon E5345 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium G2120 | Xeon E5345 |
|---|---|---|
| Socket | LGA1155 | LGA771 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR3-1600 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x (Pentium G2120) / not specified (Xeon E5345). The Pentium G2120 includes integrated graphics (HD Graphics (Ivy Bridge)), while the Xeon E5345 requires a dedicated GPU. Primary use case: Pentium G2120 targets Desktop.
| Feature | Pentium G2120 | Xeon E5345 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | HD Graphics (Ivy Bridge) | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
| Target Use | Desktop | — |
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