
A6 PRO-7400B

Core i3-550
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 PRO-7400B is positioned at rank 559 and the Core i3-550 is on rank 965, so the A6 PRO-7400B offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar A6 PRO-7400B
Performance Per Dollar Core i3-550
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | A6 PRO-7400B | Core i3-550 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($5) |
| Longevity | 🛑 Legacy (Kaveri (2014−2015) / 28 nm) | 🛑 Legacy (Clarkdale (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | A6 PRO-7400B | Core i3-550 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($5) |
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 PRO-7400B and Core i3-550

A6 PRO-7400B
The A6 PRO-7400B is manufactured by AMD. It was released in 31 July 2014 (11 years ago). It is based on the Kaveri (2014−2015) architecture. It features 2 cores and 2 threads. Base frequency is 3.5 GHz, with boost up to 3.9 GHz. L2 cache: 1024 kB. Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 65 Watt. Memory support: DDR3-1866. Passmark benchmark score: 1,640 points. Launch price was $69.

Core i3-550
The Core i3-550 is manufactured by Intel. It was released in 30 May 2010 (15 years ago). It is based on the Clarkdale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1156. Thermal design power (TDP): 73 Watt. Memory support: DDR3. Passmark benchmark score: 1,632 points. Launch price was $101.
Processing Power
The A6 PRO-7400B packs 2 cores / 2 threads, matching the Core i3-550's 2 cores. Boost clocks reach 3.9 GHz on the A6 PRO-7400B versus 3.2 GHz on the Core i3-550 — a 19.7% clock advantage for the A6 PRO-7400B (base: 3.5 GHz vs 3.2 GHz). The A6 PRO-7400B uses the Kaveri (2014−2015) architecture (28 nm), while the Core i3-550 uses Clarkdale (2010−2011) (32 nm). In PassMark, the A6 PRO-7400B scores 1,640 against the Core i3-550's 1,632 — a 0.5% lead for the A6 PRO-7400B.
| Feature | A6 PRO-7400B | Core i3-550 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 4 |
| Boost Clock | 3.9 GHz+22% | 3.2 GHz |
| Base Clock | 3.5 GHz+9% | 3.2 GHz |
| L3 Cache | — | 4 MB (total) |
| L2 Cache | 1024 kB+300% | 256 kB (per core) |
| Process | 28 nm-13% | 32 nm |
| Architecture | Kaveri (2014−2015) | Clarkdale (2010−2011) |
| PassMark | 1,640 | 1,632 |
| Cinebench R23 Multi | — | 1,320 |
| Geekbench 6 Single | — | 437 |
| Geekbench 6 Multi | — | 899 |
Memory & Platform
The A6 PRO-7400B uses the FM2+ socket (PCIe 3.0), while the Core i3-550 uses LGA1156 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1866 memory speed. The A6 PRO-7400B 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 FM2+ (A6 PRO-7400B) and H55,H57,P55,Q57 (Core i3-550).
| Feature | A6 PRO-7400B | Core i3-550 |
|---|---|---|
| Socket | FM2+ | LGA1156 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR3-1866 | DDR3-1333 |
| Max RAM Capacity | 64 GB+300% | 16 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Virtualization: not specified (A6 PRO-7400B) / Yes (Core i3-550). Both include integrated graphics — AMD Radeon R5 (A6 PRO-7400B) and Intel HD Graphics (Core i3-550) — useful as a fallback for troubleshooting or display output without a dedicated GPU.
| Feature | A6 PRO-7400B | Core i3-550 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | AMD Radeon R5 | Intel HD Graphics |
| AVX-512 | — | No |
| Virtualization | — | Yes |
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