CPU
GPU
Pentium G645T
Athlon 64 TF-20
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 G645T is positioned at rank 807 and the Athlon 64 TF-20 is on rank 790, so the Athlon 64 TF-20 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium G645T
Performance Per Dollar Athlon 64 TF-20
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium G645T | Athlon 64 TF-20 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($10) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Sherman (2009) / 65 nm) |
💎 Value Proposition
| Insight | Pentium G645T | Athlon 64 TF-20 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+51%) |
| Upfront Cost | ⚠️ Higher cost ($15) | ✅ More affordable ($10) |
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 G645T and Athlon 64 TF-20
Pentium G645T
The Pentium G645T 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 2.5 GHz, with boost up to 2.5 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: 1,238 points. Launch price was $69.
Athlon 64 TF-20
The Athlon 64 TF-20 is manufactured by AMD. It was released in 2009-01-01. It is based on the Sherman (2009) architecture. It features 1 cores and 1 threads. Max frequency: 1.6 GHz. L2 cache: 512 kB. Built on 65 nm process technology. Socket: S1g1. Thermal design power (TDP): 512 kB. Passmark benchmark score: 1,245 points. Launch price was $149.
Processing Power
The Pentium G645T packs 2 cores / 2 threads, while the Athlon 64 TF-20 offers 1 cores / 1 threads — the Pentium G645T has 1 more core. Boost clocks reach 2.5 GHz on the Pentium G645T versus 1.6 GHz on the Athlon 64 TF-20 — a 43.9% clock advantage for the Pentium G645T. The Pentium G645T uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Athlon 64 TF-20 uses Sherman (2009) (65 nm). In PassMark, the Pentium G645T scores 1,238 against the Athlon 64 TF-20's 1,245 — a 0.6% lead for the Athlon 64 TF-20.
| Feature | Pentium G645T | Athlon 64 TF-20 |
|---|---|---|
| Cores / Threads | 2 / 2+100% | 1 / 1 |
| Boost Clock | 2.5 GHz+56% | 1.6 GHz |
| Base Clock | 2.5 GHz | — |
| L3 Cache | 3 MB (total) | — |
| L2 Cache | 256 kB (per core) | 512 kB+100% |
| Process | 32 nm-51% | 65 nm |
| Architecture | Sandy Bridge (2011−2013) | Sherman (2009) |
| PassMark | 1,238 | 1,245 |
Memory & Platform
The Pentium G645T uses the LGA1155 socket (PCIe 2.0), while the Athlon 64 TF-20 uses S1g1 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium G645T | Athlon 64 TF-20 |
|---|---|---|
| Socket | LGA1155 | S1g1 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | — | DDR2-667 |
| Max RAM Capacity | — | 4 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
Advanced Features
Virtualization: not specified (Pentium G645T) / false (Athlon 64 TF-20).
| Feature | Pentium G645T | Athlon 64 TF-20 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | false |
Value Analysis
The Pentium G645T launched at $64 MSRP, while the Athlon 64 TF-20 debuted at $50. At current prices ($15 vs $10), the Athlon 64 TF-20 is $5 cheaper. In terms of value (PassMark points per dollar), the Pentium G645T delivers 82.5 pts/$ vs 124.5 pts/$ for the Athlon 64 TF-20 — making the Athlon 64 TF-20 the 40.5% better value option.
| Feature | Pentium G645T | Athlon 64 TF-20 |
|---|---|---|
| MSRP | $64 | $50-22% |
| Avg Price (30d) | $15 | $10-33% |
| Performance per Dollar | 82.5 | 124.5+51% |
| Release Date | 2012 | 2009 |
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