
Athlon II X3 400e vs A4-6300B

Athlon II X3 400e

A4-6300B
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 Athlon II X3 400e is positioned at rank 938 and the A4-6300B is on rank 745, so the A4-6300B offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon II X3 400e
Performance Per Dollar A4-6300B
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X3 400e | A4-6300B |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($10) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Rana (2009−2011) / 45 nm) | 🛑 Legacy (Richland (2013−2014) / 32 nm) |
💎 Value Proposition
| Insight | Athlon II X3 400e | A4-6300B |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($10) | ✅ More affordable ($0) |
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 Athlon II X3 400e and A4-6300B

Athlon II X3 400e
The Athlon II X3 400e is manufactured by AMD. It was released in 20 October 2009 (16 years ago). It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 1,320 points. Launch price was $107.

A4-6300B
The A4-6300B 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 3.7 GHz, with boost up to 3.9 GHz. L2 cache: 1 MB (total). Built on 32 nm process technology. Socket: FM2. Thermal design power (TDP): 65 Watt. Memory support: DDR3-1600. Passmark benchmark score: 1,328 points. Launch price was $50.
Processing Power
The Athlon II X3 400e packs 3 cores / 3 threads, while the A4-6300B offers 2 cores / 2 threads — the Athlon II X3 400e has 1 more core. Boost clocks reach 2.2 GHz on the Athlon II X3 400e versus 3.9 GHz on the A4-6300B — a 55.7% clock advantage for the A4-6300B (base: 2.2 GHz vs 3.7 GHz). The Athlon II X3 400e uses the Rana (2009−2011) architecture (45 nm), while the A4-6300B uses Richland (2013−2014) (32 nm). In PassMark, the Athlon II X3 400e scores 1,320 against the A4-6300B's 1,328 — a 0.6% lead for the A4-6300B.
| Feature | Athlon II X3 400e | A4-6300B |
|---|---|---|
| Cores / Threads | 3 / 3+50% | 2 / 2 |
| Boost Clock | 2.2 GHz | 3.9 GHz+77% |
| Base Clock | 2.2 GHz | 3.7 GHz+68% |
| L3 Cache | 0 kB | — |
| L2 Cache | 512 kB (per core) | 1 MB (total)+100% |
| Process | 45 nm | 32 nm-29% |
| Architecture | Rana (2009−2011) | Richland (2013−2014) |
| PassMark | 1,320 | 1,328 |
| Geekbench 6 Single | — | 415 |
Memory & Platform
The Athlon II X3 400e uses the AM3 socket (PCIe 2.0), while the A4-6300B uses FM2 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon II X3 400e) vs 16 (A4-6300B) — the A4-6300B offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD AM3 (Athlon II X3 400e) and A55,A58,A68H,A75,A78,A88X (A4-6300B).
| Feature | Athlon II X3 400e | A4-6300B |
|---|---|---|
| Socket | AM3 | FM2 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | DDR3-1600 |
| Max RAM Capacity | 32 GB | 32 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Virtualization: not specified (Athlon II X3 400e) / AMD-V (A4-6300B). The A4-6300B includes integrated graphics (Radeon HD 8370D), while the Athlon II X3 400e requires a dedicated GPU. Primary use case: A4-6300B targets Business Desktop. Direct competitor: A4-6300B rivals Pentium G3240.
| Feature | Athlon II X3 400e | A4-6300B |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon HD 8370D |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Business Desktop |
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