
A6-6400B vs Core i5-3339Y

A6-6400B

Core i5-3339Y
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 Core i5-3339Y is on rank 412, so the Core i5-3339Y 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 Core i5-3339Y
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | A6-6400B | Core i5-3339Y |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Richland (2013−2014) / 32 nm) | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) |
💎 Value Proposition
| Insight | A6-6400B | Core i5-3339Y |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| 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 A6-6400B and Core i5-3339Y

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.

Core i5-3339Y
The Core i5-3339Y is manufactured by Intel. It was released in 8 January 2013 (12 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 2 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 13 Watt. Memory support: DDR3. Passmark benchmark score: 1,589 points. Launch price was $250.
Processing Power
The A6-6400B packs 2 cores / 2 threads, matching the Core i5-3339Y's 2 cores. Boost clocks reach 4.1 GHz on the A6-6400B versus 2 GHz on the Core i5-3339Y — a 68.9% clock advantage for the A6-6400B (base: 3.9 GHz vs 1.5 GHz). The A6-6400B uses the Richland (2013−2014) architecture (32 nm), while the Core i5-3339Y uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the A6-6400B scores 1,573 against the Core i5-3339Y's 1,589 — a 1% lead for the Core i5-3339Y.
| Feature | A6-6400B | Core i5-3339Y |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 4 |
| Boost Clock | 4.1 GHz+105% | 2 GHz |
| Base Clock | 3.9 GHz+160% | 1.5 GHz |
| L3 Cache | — | 3 MB (total) |
| L2 Cache | 1 MB (total)+300% | 256K (per core) |
| Process | 32 nm | 22 nm-31% |
| Architecture | Richland (2013−2014) | Ivy Bridge (2012−2013) |
| PassMark | 1,573 | 1,589+1% |
| Geekbench 6 Single | — | 368 |
| Geekbench 6 Multi | — | 707 |
Memory & Platform
The A6-6400B uses the FM2 socket (PCIe 3.0), while the Core i5-3339Y uses BGA1023 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1866 on the A6-6400B versus 1600 on the Core i5-3339Y — the A6-6400B supports 15.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 32 of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: FM2 (A6-6400B) and HM76,UM77,QM77,QS77 (Core i5-3339Y).
| Feature | A6-6400B | Core i5-3339Y |
|---|---|---|
| Socket | FM2 | BGA1023 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | 1866+17% | 1600 |
| Max RAM Capacity | 32 | 32 |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Both support true virtualization. Both include integrated graphics — Radeon HD 8470D (A6-6400B) and Intel HD Graphics 4000 (Core i5-3339Y) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: A6-6400B rivals Pentium G3220; Core i5-3339Y rivals AMD A8-4555M.
| Feature | A6-6400B | Core i5-3339Y |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Radeon HD 8470D | Intel HD Graphics 4000 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | true | true |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.












