A6-8500P vs Pentium G645
A6-8500P
Pentium G645
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 A6-8500P is positioned at rank 992 and the Pentium G645 is on rank 838, so the Pentium G645 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar A6-8500P
Performance Per Dollar Pentium G645
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | A6-8500P | Pentium G645 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($16) | ✅ More affordable ($15) |
| Longevity | 🛑 Legacy (Carrizo (2015−2018) / 28 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | A6-8500P | Pentium G645 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+7%) |
| Upfront Cost | ⚠️ Higher cost ($16) | ✅ More affordable ($15) |
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 A6-8500P and Pentium G645
A6-8500P
The A6-8500P is manufactured by AMD. It was released in 2014-01-01. It is based on the Carrizo (2015−2018) architecture. It features 2 cores and 2 threads. Base frequency is 1.6 GHz, with boost up to 3 GHz. L2 cache: 1024 kB. Built on 28 nm process technology. Socket: FP4. Thermal design power (TDP): 1 MB. Passmark benchmark score: 1,445 points. Launch price was $70.
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.
Processing Power
Both the A6-8500P and Pentium G645 share an identical 2-core/2-thread configuration. Boost clocks reach 3 GHz on the A6-8500P versus 2.9 GHz on the Pentium G645 — a 3.4% clock advantage for the A6-8500P (base: 1.6 GHz vs 2.9 GHz). The A6-8500P uses the Carrizo (2015−2018) architecture (28 nm), while the Pentium G645 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the A6-8500P scores 1,445 against the Pentium G645's 1,450 — a 0.3% lead for the Pentium G645.
| Feature | A6-8500P | Pentium G645 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 3 GHz+3% | 2.9 GHz |
| Base Clock | 1.6 GHz | 2.9 GHz+81% |
| L3 Cache | — | 3 MB (total) |
| L2 Cache | 1024 kB+300% | 256 kB (per core) |
| Process | 28 nm-13% | 32 nm |
| Architecture | Carrizo (2015−2018) | Sandy Bridge (2011−2013) |
| PassMark | 1,445 | 1,450 |
Memory & Platform
The A6-8500P uses the FP4 socket (PCIe 3.0), while the Pentium G645 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | A6-8500P | Pentium G645 |
|---|---|---|
| Socket | FP4 | LGA1155 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | 1600 | — |
| Max RAM Capacity | 16 | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: true (A6-8500P) / not specified (Pentium G645). The A6-8500P includes integrated graphics (Radeon R5 Graphics), while the Pentium G645 requires a dedicated GPU. Direct competitor: A6-8500P rivals Pentium 3825U.
| Feature | A6-8500P | Pentium G645 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Radeon R5 Graphics | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | true | — |
Value Analysis
The A6-8500P launched at $100 MSRP, while the Pentium G645 debuted at $80. At current prices ($16 vs $15), the Pentium G645 is $1 cheaper. In terms of value (PassMark points per dollar), the A6-8500P delivers 90.3 pts/$ vs 96.7 pts/$ for the Pentium G645 — making the Pentium G645 the 6.8% better value option.
| Feature | A6-8500P | Pentium G645 |
|---|---|---|
| MSRP | $100 | $80-20% |
| Avg Price (30d) | $16 | $15-6% |
| Performance per Dollar | 90.3 | 96.7+7% |
| Release Date | 2015 | 2012 |
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