CPU
GPU
Pentium G640T
Core 2 Extreme X6800
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 G640T is positioned at rank 848 and the Core 2 Extreme X6800 is on rank 1042, so the Pentium G640T offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium G640T
Performance Per Dollar Core 2 Extreme X6800
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium G640T | Core 2 Extreme X6800 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($69) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Conroe XE (2006) / 65 nm) |
💎 Value Proposition
| Insight | Pentium G640T | Core 2 Extreme X6800 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($69) | ✅ 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 G640T and Core 2 Extreme X6800
Pentium G640T
The Pentium G640T is manufactured by Intel. It was released in 2007-01-01. It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,139 points. Launch price was $69.
Core 2 Extreme X6800
The Core 2 Extreme X6800 is manufactured by Intel. It was released in 27 July 2006 (19 years ago). It is based on the Conroe XE (2006) architecture. It features 2 cores and 2 threads. Base frequency is 2.933 GHz, with boost up to 0.93 GHz. L3 cache: 0 kB. L2 cache: 4 MB (total). Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 75 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,118 points. Launch price was $999.
Processing Power
Both the Pentium G640T and Core 2 Extreme X6800 share an identical 2-core/2-thread configuration. Boost clocks reach 2.4 GHz on the Pentium G640T versus 0.93 GHz on the Core 2 Extreme X6800 — a 88.3% clock advantage for the Pentium G640T (base: 2.4 GHz vs 2.933 GHz). The Pentium G640T uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Core 2 Extreme X6800 uses Conroe XE (2006) (65 nm). In PassMark, the Pentium G640T scores 1,139 against the Core 2 Extreme X6800's 1,118 — a 1.9% lead for the Pentium G640T. L3 cache: 3 MB (total) on the Pentium G640T vs 0 kB on the Core 2 Extreme X6800.
| Feature | Pentium G640T | Core 2 Extreme X6800 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.4 GHz+158% | 0.93 GHz |
| Base Clock | 2.4 GHz | 2.933 GHz+22% |
| L3 Cache | 3 MB (total) | 0 kB |
| L2 Cache | 256 kB (per core) | 4 MB (total)+1500% |
| Process | 32 nm-51% | 65 nm |
| Architecture | Sandy Bridge (2011−2013) | Conroe XE (2006) |
| PassMark | 1,139+2% | 1,118 |
Memory & Platform
The Pentium G640T uses the LGA1155 socket (PCIe 2.0), while the Core 2 Extreme X6800 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Pentium G640T | Core 2 Extreme X6800 |
|---|---|---|
| Socket | LGA1155 | LGA775 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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