Pentium G645 vs A4 PRO-7300B
Pentium G645
A4 PRO-7300B
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 G645 is positioned at rank 838 and the A4 PRO-7300B is on rank 607, so the A4 PRO-7300B offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium G645
Performance Per Dollar A4 PRO-7300B
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium G645 | A4 PRO-7300B |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Richland (2013−2014) / 32 nm) |
💎 Value Proposition
| Insight | Pentium G645 | A4 PRO-7300B |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($15) | ✅ 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 G645 and A4 PRO-7300B
Pentium G645
The Pentium G645 is manufactured by Intel. It was released in 2 September 2012 (13 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.9 GHz, with boost up to 2.9 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,450 points. Launch price was $80.
A4 PRO-7300B
The A4 PRO-7300B is manufactured by AMD. It was released in Agosto 2014 (11 years ago). It is based on the Richland (2013−2014) architecture. It features 2 cores and 2 threads. Base frequency is 3.8 GHz, with boost up to 4 GHz. L2 cache: 1024 kB. Built on 32 nm process technology. Socket: FM2. Thermal design power (TDP): 65 Watt. Memory support: DDR3-1600. Passmark benchmark score: 1,458 points. Launch price was $69.
Processing Power
Both the Pentium G645 and A4 PRO-7300B share an identical 2-core/2-thread configuration. Boost clocks reach 2.9 GHz on the Pentium G645 versus 4 GHz on the A4 PRO-7300B — a 31.9% clock advantage for the A4 PRO-7300B (base: 2.9 GHz vs 3.8 GHz). The Pentium G645 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the A4 PRO-7300B uses Richland (2013−2014) (32 nm). In PassMark, the Pentium G645 scores 1,450 against the A4 PRO-7300B's 1,458 — a 0.6% lead for the A4 PRO-7300B.
| Feature | Pentium G645 | A4 PRO-7300B |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.9 GHz | 4 GHz+38% |
| Base Clock | 2.9 GHz | 3.8 GHz+31% |
| L3 Cache | 3 MB (total) | — |
| L2 Cache | 256 kB (per core) | 1024 kB+300% |
| Process | 32 nm | 32 nm |
| Architecture | Sandy Bridge (2011−2013) | Richland (2013−2014) |
| PassMark | 1,450 | 1,458 |
| Geekbench 6 Single | — | 375 |
Memory & Platform
The Pentium G645 uses the LGA1155 socket (PCIe 2.0), while the A4 PRO-7300B uses FM2 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Pentium G645 | A4 PRO-7300B |
|---|---|---|
| Socket | LGA1155 | FM2 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | — | DDR3-1600 |
| Max RAM Capacity | — | 16 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Pentium G645) / AMD-V (A4 PRO-7300B). The A4 PRO-7300B includes integrated graphics (Radeon HD 8470D), while the Pentium G645 requires a dedicated GPU. Primary use case: A4 PRO-7300B targets Business Desktop. Direct competitor: A4 PRO-7300B rivals Pentium G3250.
| Feature | Pentium G645 | A4 PRO-7300B |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Radeon HD 8470D |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Business Desktop |
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