
Core i7-4578U vs Pentium Gold G6405T

Core i7-4578U

Pentium Gold G6405T
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. The Core i7-4578U is positioned at rank #967 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-4578U
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-4578U | Pentium Gold G6405T |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Haswell (2013−2015) / 22 nm) | ✨ Modern (Comet Lake-R (2021) / 14 nm) |
💎 Value Proposition
| Insight | Core i7-4578U | Pentium Gold G6405T |
|---|---|---|
| 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 Core i7-4578U and Pentium Gold G6405T

Core i7-4578U
The Core i7-4578U is manufactured by Intel. It was released in 21 July 2014 (11 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 3 GHz, with boost up to 3.5 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 28 Watt. Memory support: DDR3. Passmark benchmark score: 3,075 points. Launch price was $426.

Pentium Gold G6405T
The Pentium Gold G6405T is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Comet Lake-R (2021) architecture. It features 2 cores and 4 threads. Base frequency is 3.5 GHz, with boost up to 3.5 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 3,095 points. Launch price was $64.
Processing Power
Both the Core i7-4578U and Pentium Gold G6405T share an identical 2-core/4-thread configuration. Boost clocks reach 3.5 GHz on the Core i7-4578U versus 3.5 GHz on the Pentium Gold G6405T — identical boost frequencies (base: 3 GHz vs 3.5 GHz). The Core i7-4578U uses the Haswell (2013−2015) architecture (22 nm), while the Pentium Gold G6405T uses Comet Lake-R (2021) (14 nm). In PassMark, the Core i7-4578U scores 3,075 against the Pentium Gold G6405T's 3,095 — a 0.6% lead for the Pentium Gold G6405T. L3 cache: 4 MB on the Core i7-4578U vs 4 MB (total) on the Pentium Gold G6405T.
| Feature | Core i7-4578U | Pentium Gold G6405T |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 4 |
| Boost Clock | 3.5 GHz | 3.5 GHz |
| Base Clock | 3 GHz | 3.5 GHz+17% |
| L3 Cache | 4 MB | 4 MB (total) |
| L2 Cache | 512 kB+100% | 256 kB (per core) |
| Process | 22 nm | 14 nm-36% |
| Architecture | Haswell (2013−2015) | Comet Lake-R (2021) |
| PassMark | 3,075 | 3,095 |
Memory & Platform
The Core i7-4578U uses the FCBGA1168 socket (PCIe 3.0), while the Pentium Gold G6405T uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i7-4578U | Pentium Gold G6405T |
|---|---|---|
| Socket | FCBGA1168 | LGA1200 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
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