
Core i5-3339Y

A6-6400B
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 Core i5-3339Y is positioned at rank 412 and the A6-6400B is on rank 655, 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 Core i5-3339Y
Performance Per Dollar A6-6400B
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-3339Y | A6-6400B |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) | 🛑 Legacy (Richland (2013−2014) / 32 nm) |
💎 Value Proposition
| Insight | Core i5-3339Y | A6-6400B |
|---|---|---|
| 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 Core i5-3339Y and A6-6400B

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.

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.
Processing Power
The Core i5-3339Y packs 2 cores / 4 threads, matching the A6-6400B's 2 cores. Boost clocks reach 2 GHz on the Core i5-3339Y versus 4.1 GHz on the A6-6400B — a 68.9% clock advantage for the A6-6400B (base: 1.5 GHz vs 3.9 GHz). The Core i5-3339Y uses the Ivy Bridge (2012−2013) architecture (22 nm), while the A6-6400B uses Richland (2013−2014) (32 nm). In PassMark, the Core i5-3339Y scores 1,589 against the A6-6400B's 1,573 — a 1% lead for the Core i5-3339Y.
| Feature | Core i5-3339Y | A6-6400B |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 2 |
| Boost Clock | 2 GHz | 4.1 GHz+105% |
| Base Clock | 1.5 GHz | 3.9 GHz+160% |
| L3 Cache | 3 MB (total) | — |
| L2 Cache | 256K (per core) | 1 MB (total)+300% |
| Process | 22 nm-31% | 32 nm |
| Architecture | Ivy Bridge (2012−2013) | Richland (2013−2014) |
| PassMark | 1,589+1% | 1,573 |
| Geekbench 6 Single | 368 | — |
| Geekbench 6 Multi | 707 | — |
Memory & Platform
The Core i5-3339Y uses the BGA1023 socket (PCIe 3.0), while the A6-6400B uses FM2 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1600 on the Core i5-3339Y versus 1866 on the A6-6400B — 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: HM76,UM77,QM77,QS77 (Core i5-3339Y) and FM2 (A6-6400B).
| Feature | Core i5-3339Y | A6-6400B |
|---|---|---|
| Socket | BGA1023 | FM2 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | 1600 | 1866+17% |
| 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 — Intel HD Graphics 4000 (Core i5-3339Y) and Radeon HD 8470D (A6-6400B) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Core i5-3339Y rivals AMD A8-4555M; A6-6400B rivals Pentium G3220.
| Feature | Core i5-3339Y | A6-6400B |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel HD Graphics 4000 | Radeon HD 8470D |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | true | true |
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