
Radeon HD 6430M
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Radeon HD 6450
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Performance Spectrum - GPU
About G3D Mark
G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money. The Radeon HD 6430M is positioned at rank 132 and the Radeon HD 6450 is on rank 270, so the Radeon HD 6430M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon HD 6430M
Performance Per Dollar Radeon HD 6450
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 6450 is the superior choice for raw performance. It leads with a 2.6% higher G3D Mark score. However, the Radeon HD 6430M offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Radeon HD 6430M | Radeon HD 6450 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.6%) | ✅Leading raw performance (+2.6%) |
| Longevity | 🛑Obsolete Architecture (2011 / TeraScale 3 (2010−2013)) | 🛑Obsolete Architecture (2010 / TeraScale 3 (2010−2013)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | Normal Efficiency | Normal Efficiency |
| Case Fit | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
While current pricing data is unavailable, the Radeon HD 6450 remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.
Performance Check
Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.
Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

Counter-Strike 2
Technical Specifications
Side-by-side comparison of Radeon HD 6430M and Radeon HD 6450

Radeon HD 6430M
The Radeon HD 6430M is manufactured by AMD. It was released in December 1 2011. It features the TeraScale 3 architecture. The core clock speed is 750 MHz. It has 1280 shading units. The thermal design power (TDP) is 186W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 193 points. Launch price was $180.

Radeon HD 6450
The Radeon HD 6450 is manufactured by AMD. It was released in December 14 2010. It features the TeraScale 3 architecture. The boost clock speed is 800 MHz. It has 1408 shading units. The thermal design power (TDP) is 200W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 198 points. Launch price was $299.
Graphics Performance
The Radeon HD 6430M scores 193 and the Radeon HD 6450 reaches 198 in the G3D Mark benchmark — just a 2.6% difference, making them near-identical in rasterization performance. The Radeon HD 6430M is built on TeraScale 3 while the Radeon HD 6450 uses TeraScale 3, both on a 40 nm process. Shader units: 1,280 (Radeon HD 6430M) vs 1,408 (Radeon HD 6450). Raw compute: 1.92 TFLOPS (Radeon HD 6430M) vs 2.253 TFLOPS (Radeon HD 6450).
| Feature | Radeon HD 6430M | Radeon HD 6450 |
|---|---|---|
| G3D Mark Score | 193 | 198+3% |
| Architecture | TeraScale 3 | TeraScale 3 |
| Process Node | 40 nm | 40 nm |
| Shading Units | 1280 | 1408+10% |
| Compute (TFLOPS) | 1.92 TFLOPS | 2.253 TFLOPS+17% |
| ROPs | 32 | 32 |
| TMUs | 80 | 88+10% |
| L1 Cache | 320 KB | 352 KB+10% |
| L2 Cache | 512 KB | 512 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6430M | Radeon HD 6450 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
The Radeon HD 6430M comes with 1 GB of VRAM, while the Radeon HD 6450 has 512 MB. The Radeon HD 6430M offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs 128-bit.
| Feature | Radeon HD 6430M | Radeon HD 6450 |
|---|---|---|
| VRAM Capacity | 1 GB+100% | 0.5 GB |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | Unknown |
| Bus Width | System | 128-bit |
| L2 Cache | 512 KB | 512 KB |
Power & Dimensions
The Radeon HD 6430M draws 186W versus the Radeon HD 6450's 200W — a 7.3% difference. The Radeon HD 6430M is more power-efficient. Recommended PSU: 350W (Radeon HD 6430M) vs 350W (Radeon HD 6450). Power connectors: 1x 6-pin vs 1x 6-pin.
| Feature | Radeon HD 6430M | Radeon HD 6450 |
|---|---|---|
| TDP | 186W-7% | 200W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Length | — | 168mm |
| Height | — | 69mm |
| Slots | — | 1 |
| Temp (Load) | — | 70°C |
| Perf/Watt | 1.0 | 1.0 |
Value Analysis
The Radeon HD 6430M is the newer GPU (2011 vs 2010).
| Feature | Radeon HD 6430M | Radeon HD 6450 |
|---|---|---|
| MSRP | — | $55 |
| Avg Price (30d) | — | $55 |
| Codename | Cayman | Cayman |
| Release | December 1 2011 | December 14 2010 |
| Ranking | #598 | #623 |
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