Core i3-4158U vs Pentium G3420T
Core i3-4158U
Pentium G3420T
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 Core i3-4158U is positioned at rank 576 and the Pentium G3420T is on rank 680, so the Core i3-4158U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i3-4158U
Performance Per Dollar Pentium G3420T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-4158U | Pentium G3420T |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($40) |
| Longevity | 🛑 Legacy (Haswell (2013−2015) / 22 nm) | 🛑 Legacy (Haswell (2013−2015) / 22 nm) |
💎 Value Proposition
| Insight | Core i3-4158U | Pentium G3420T |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($40) |
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 Core i3-4158U and Pentium G3420T
Core i3-4158U
The Core i3-4158U is manufactured by Intel. It was released in 4 June 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 28 Watt. Memory support: DDR3. Passmark benchmark score: 1,921 points. Launch price was $315.
Pentium G3420T
The Pentium G3420T is manufactured by Intel. It was released in 1 September 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 2.7 GHz, with boost up to 2.7 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: 1,912 points. Launch price was $75.
Processing Power
The Core i3-4158U packs 2 cores / 4 threads, matching the Pentium G3420T's 2 cores. Boost clocks reach 2 GHz on the Core i3-4158U versus 2.7 GHz on the Pentium G3420T — a 29.8% clock advantage for the Pentium G3420T (base: 2 GHz vs 2.7 GHz). Both are built on the Haswell (2013−2015) architecture using a 22 nm process. In PassMark, the Core i3-4158U scores 1,921 against the Pentium G3420T's 1,912 — a 0.5% lead for the Core i3-4158U. Both processors carry 3 MB (total) of L3 cache.
| Feature | Core i3-4158U | Pentium G3420T |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 2 |
| Boost Clock | 2 GHz | 2.7 GHz+35% |
| Base Clock | 2 GHz | 2.7 GHz+35% |
| L3 Cache | 3 MB (total) | 3 MB (total) |
| L2 Cache | 256K (per core) | 256 kB (per core) |
| Process | 22 nm | 22 nm |
| Architecture | Haswell (2013−2015) | Haswell (2013−2015) |
| PassMark | 1,921 | 1,912 |
| Geekbench 6 Single | 457 | — |
Memory & Platform
The Core i3-4158U uses the FCBGA1168 socket (PCIe 3.0), while the Pentium G3420T uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3L-1600 memory speed. The Pentium G3420T 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: 12 (Core i3-4158U) vs 16 (Pentium G3420T) — the Pentium G3420T offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM86,HM87 (Core i3-4158U) and LGA1150 (Pentium G3420T).
| Feature | Core i3-4158U | Pentium G3420T |
|---|---|---|
| Socket | FCBGA1168 | LGA1150 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR3L-1600 | DDR3-1600 |
| Max RAM Capacity | 16 GB | 32 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 12 | 16+33% |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x / VT-d / EPT (Core i3-4158U) vs VT-x, VT-d (Pentium G3420T). Both include integrated graphics — Intel Iris Graphics 5100 (Core i3-4158U) and Intel HD Graphics (Pentium G3420T) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-4158U targets Multimedia.
| Feature | Core i3-4158U | Pentium G3420T |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel Iris Graphics 5100 | Intel HD Graphics |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x / VT-d / EPT | VT-x, VT-d |
| Target Use | Multimedia | — |
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