
Athlon II X4 645 vs Pentium G4500T

Athlon II X4 645

Pentium G4500T
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 Athlon II X4 645 is positioned at rank 819 and the Pentium G4500T is on rank 572, so the Pentium G4500T offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon II X4 645
Performance Per Dollar Pentium G4500T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X4 645 | Pentium G4500T |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Propus (2009−2011) / 45 nm) | 🛑 Legacy (Skylake (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Athlon II X4 645 | Pentium G4500T |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+1%) |
| 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 Athlon II X4 645 and Pentium G4500T

Athlon II X4 645
The Athlon II X4 645 is manufactured by AMD. It was released in 21 September 2010 (15 years ago). It is based on the Propus (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.1 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 2,375 points. Launch price was $80.

Pentium G4500T
The Pentium G4500T is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 2 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 2,399 points. Launch price was $75.
Processing Power
The Athlon II X4 645 packs 4 cores / 4 threads, while the Pentium G4500T offers 2 cores / 2 threads — the Athlon II X4 645 has 2 more cores. Boost clocks reach 3.1 GHz on the Athlon II X4 645 versus 3 GHz on the Pentium G4500T — a 3.3% clock advantage for the Athlon II X4 645 (base: 3.1 GHz vs 3 GHz). The Athlon II X4 645 uses the Propus (2009−2011) architecture (45 nm), while the Pentium G4500T uses Skylake (2015−2016) (14 nm). In PassMark, the Athlon II X4 645 scores 2,375 against the Pentium G4500T's 2,399 — a 1% lead for the Pentium G4500T. Geekbench 6 single-core — the metric most relevant to gaming — records 399 vs 701, a 54.9% lead for the Pentium G4500T that directly translates to higher frame rates. Multi-core Geekbench: 1,374 vs 1,260 (8.7% advantage for the Athlon II X4 645). L3 cache: 0 kB on the Athlon II X4 645 vs 3 MB on the Pentium G4500T.
| Feature | Athlon II X4 645 | Pentium G4500T |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 3.1 GHz+3% | 3 GHz |
| Base Clock | 3.1 GHz+3% | 3 GHz |
| L3 Cache | 0 kB | 3 MB |
| L2 Cache | 512 kB (per core) | 512 kB |
| Process | 45 nm | 14 nm-69% |
| Architecture | Propus (2009−2011) | Skylake (2015−2016) |
| PassMark | 2,375 | 2,399+1% |
| Cinebench R23 Multi | 1,374 | — |
| Geekbench 6 Single | 399 | 701+76% |
| Geekbench 6 Multi | 1,374+9% | 1,260 |
Memory & Platform
The Athlon II X4 645 uses the AM3 socket (PCIe 2.0), while the Pentium G4500T uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Athlon II X4 645 versus DDR4-2133 on the Pentium G4500T — the Pentium G4500T supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Pentium G4500T supports up to 64 GB of RAM compared to 16 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: AMD 700 Series,AMD 800 Series,AMD 900 Series (Athlon II X4 645) and H110,B150,H170,Z170 (Pentium G4500T).
| Feature | Athlon II X4 645 | Pentium G4500T |
|---|---|---|
| Socket | AM3 | LGA1151 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | DDR4-2133+33% |
| Max RAM Capacity | 16 GB | 64 GB+300% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Virtualization support: Yes (Athlon II X4 645) vs VT-x, VT-d (Pentium G4500T). The Pentium G4500T includes integrated graphics (Intel HD Graphics 530), while the Athlon II X4 645 requires a dedicated GPU. Primary use case: Athlon II X4 645 targets Desktop, Pentium G4500T targets Low Power Desktop.
| Feature | Athlon II X4 645 | Pentium G4500T |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel HD Graphics 530 |
| Unlocked | — | No |
| AVX-512 | No | No |
| Virtualization | Yes | VT-x, VT-d |
| Target Use | Desktop | Low Power Desktop |
Value Analysis
The Athlon II X4 645 launched at $126 MSRP, while the Pentium G4500T debuted at $75. At current prices ($20 vs $20), the Pentium G4500T is $0 cheaper. In terms of value (PassMark points per dollar), the Athlon II X4 645 delivers 118.8 pts/$ vs 120.0 pts/$ for the Pentium G4500T — making the Pentium G4500T the 1% better value option.
| Feature | Athlon II X4 645 | Pentium G4500T |
|---|---|---|
| MSRP | $126 | $75-40% |
| Avg Price (30d) | $20 | $20 |
| Performance per Dollar | 118.8 | 120.0+1% |
| Release Date | 2010 | 2015 |
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