A6-6400B vs Pentium G870
A6-6400B
Pentium G870
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 A6-6400B is positioned at rank 655 and the Pentium G870 is on rank 836, so the A6-6400B offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar A6-6400B
Performance Per Dollar Pentium G870
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | A6-6400B | Pentium G870 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
| Longevity | 🛑 Legacy (Richland (2013−2014) / 32 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | A6-6400B | Pentium G870 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($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 A6-6400B and Pentium G870
A6-6400B
The A6-6400B is manufactured by AMD. It was released in 2014-01-01. It is based on the Richland (2013−2014) architecture. It features 2 cores and 2 threads. Base frequency is 3.9 GHz, with boost up to 4.1 GHz. L2 cache: 1 MB (total). Built on 32 nm process technology. Socket: FM2. Thermal design power (TDP): 65 Watt. Memory support: DDR3-1866. Passmark benchmark score: 1,573 points. Launch price was $70.
Pentium G870
The Pentium G870 is manufactured by Intel. It was released in 3 June 2012 (13 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 3.1 GHz, with boost up to 3.1 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: 1,562 points. Launch price was $97.
Processing Power
Both the A6-6400B and Pentium G870 share an identical 2-core/2-thread configuration. Boost clocks reach 4.1 GHz on the A6-6400B versus 3.1 GHz on the Pentium G870 — a 27.8% clock advantage for the A6-6400B (base: 3.9 GHz vs 3.1 GHz). The A6-6400B uses the Richland (2013−2014) architecture (32 nm), while the Pentium G870 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the A6-6400B scores 1,573 against the Pentium G870's 1,562 — a 0.7% lead for the A6-6400B.
| Feature | A6-6400B | Pentium G870 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 4.1 GHz+32% | 3.1 GHz |
| Base Clock | 3.9 GHz+26% | 3.1 GHz |
| L3 Cache | — | 3 MB (total) |
| L2 Cache | 1 MB (total)+300% | 256 kB (per core) |
| Process | 32 nm | 32 nm |
| Architecture | Richland (2013−2014) | Sandy Bridge (2011−2013) |
| PassMark | 1,573 | 1,562 |
Memory & Platform
The A6-6400B uses the FM2 socket (PCIe 3.0), while the Pentium G870 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | A6-6400B | Pentium G870 |
|---|---|---|
| Socket | FM2 | LGA1155 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | 1866 | — |
| Max RAM Capacity | 32 | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: true (A6-6400B) / not specified (Pentium G870). The A6-6400B includes integrated graphics (Radeon HD 8470D), while the Pentium G870 requires a dedicated GPU. Direct competitor: A6-6400B rivals Pentium G3220.
| Feature | A6-6400B | Pentium G870 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Radeon HD 8470D | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | true | — |
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