Core i7-975 vs Pentium Gold G6400T
Core i7-975
Pentium Gold G6400T
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 i7-975 is positioned at rank #1084 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 i7-975
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-975 | Pentium Gold G6400T |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($50) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Bloomfield (2008−2010) / 45 nm) | ✨ Modern (Legacy / 14 nm) |
💎 Value Proposition
| Insight | Core i7-975 | Pentium Gold G6400T |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($50) | ✅ 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 Core i7-975 and Pentium Gold G6400T
Core i7-975
The Core i7-975 is manufactured by Intel. It was released in 2 June 2009 (16 years ago). It is based on the Bloomfield (2008−2010) architecture. It features 4 cores and 8 threads. Base frequency is 3.33 GHz, with boost up to 3.6 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 3,527 points. Launch price was $476.
Pentium Gold G6400T
The Pentium Gold G6400T is manufactured by Intel. It was released in 2007-01-01. It features 2 cores and 4 threads. Base frequency: 3.4 GHz. L3 cache: 4 MB Intel® Smart Cache. Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 3,544 points. Launch price was $69.
Processing Power
The Core i7-975 packs 4 cores / 8 threads, while the Pentium Gold G6400T offers 2 cores / 4 threads — the Core i7-975 has 2 more cores. The Core i7-975 is built on the Bloomfield (2008−2010) architecture. In PassMark, the Core i7-975 scores 3,527 against the Pentium Gold G6400T's 3,544 — a 0.5% lead for the Pentium Gold G6400T. L3 cache: 8 MB (total) on the Core i7-975 vs 4 MB Intel® Smart Cache on the Pentium Gold G6400T.
| Feature | Core i7-975 | Pentium Gold G6400T |
|---|---|---|
| Cores / Threads | 4 / 8+100% | 2 / 4 |
| Boost Clock | 3.6 GHz | — |
| Base Clock | 3.33 GHz | 3.4 GHz+2% |
| L3 Cache | 8 MB (total)+100% | 4 MB Intel® Smart Cache |
| L2 Cache | 256 kB (per core) | — |
| Process | 45 nm | 14 nm-69% |
| Architecture | Bloomfield (2008−2010) | — |
| PassMark | 3,527 | 3,544 |
Memory & Platform
The Core i7-975 uses the LGA1366 socket (PCIe 2.0), while the Pentium Gold G6400T uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i7-975 | Pentium Gold G6400T |
|---|---|---|
| Socket | LGA1366 | LGA1200 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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