
Radeon HD 6300M
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GeForce 6600 GT
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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 6300M is positioned at rank 332 and the GeForce 6600 GT is on rank 340, so the Radeon HD 6300M 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 6300M
Performance Per Dollar GeForce 6600 GT
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 6300M is the superior choice for raw performance. It leads with a 0.7% higher G3D Mark score and 100% more VRAM (512 MB vs 256 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce 6600 GT.
| Insight | Radeon HD 6300M | GeForce 6600 GT |
|---|---|---|
| Performance | ✅Leading raw performance (+0.7%) | ❌Lower raw frame rates (-0.7%) |
| Longevity | 🛑Obsolete Architecture (2011 / TeraScale 3 (2010−2013)) | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
While current pricing data is unavailable, the Radeon HD 6300M 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.
Technical Specifications
Side-by-side comparison of Radeon HD 6300M and GeForce 6600 GT

Radeon HD 6300M
The Radeon HD 6300M 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: 144 points. Launch price was $180.

GeForce 6600 GT
The GeForce 6600 GT is manufactured by NVIDIA. It was released in August 16 2012. It features the Kepler architecture. The core clock ranges from 915 MHz to 980 MHz. It has 1344 shading units. The thermal design power (TDP) is 150W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 143 points. Launch price was $299.
Graphics Performance
The Radeon HD 6300M scores 144 and the GeForce 6600 GT reaches 143 in the G3D Mark benchmark — just a 0.7% difference, making them near-identical in rasterization performance. The Radeon HD 6300M is built on TeraScale 3 while the GeForce 6600 GT uses Kepler, both on 40 nm vs 28 nm. Shader units: 1,280 (Radeon HD 6300M) vs 1,344 (GeForce 6600 GT). Raw compute: 1.92 TFLOPS (Radeon HD 6300M) vs 2.634 TFLOPS (GeForce 6600 GT).
| Feature | Radeon HD 6300M | GeForce 6600 GT |
|---|---|---|
| G3D Mark Score | 144 | 143 |
| Architecture | TeraScale 3 | Kepler |
| Process Node | 40 nm | 28 nm |
| Shading Units | 1280 | 1344+5% |
| Compute (TFLOPS) | 1.92 TFLOPS | 2.634 TFLOPS+37% |
| ROPs | 32+33% | 24 |
| TMUs | 80 | 112+40% |
| L1 Cache | 320 KB+186% | 112 KB |
| L2 Cache | 512 KB+33% | 384 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6300M | GeForce 6600 GT |
|---|---|---|
| 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 | Standard |
Video Memory (VRAM)
The Radeon HD 6300M comes with 512 MB of VRAM, while the GeForce 6600 GT has 256 MB. The Radeon HD 6300M offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs 128-bit. L2 Cache: 512 KB (Radeon HD 6300M) vs 384 KB (GeForce 6600 GT) — the Radeon HD 6300M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 6300M | GeForce 6600 GT |
|---|---|---|
| VRAM Capacity | 0.5 GB+100% | 0.25 GB |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | Unknown |
| Bus Width | System | 128-bit |
| L2 Cache | 512 KB+33% | 384 KB |
Power & Dimensions
The Radeon HD 6300M draws 186W versus the GeForce 6600 GT's 150W — a 21.4% difference. The GeForce 6600 GT is more power-efficient. Recommended PSU: 350W (Radeon HD 6300M) vs 350W (GeForce 6600 GT). Power connectors: 1x 6-pin vs Legacy.
| Feature | Radeon HD 6300M | GeForce 6600 GT |
|---|---|---|
| TDP | 186W | 150W-19% |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | Legacy |
| Length | — | 183mm |
| Height | — | 111mm |
| Slots | — | 1 |
| Temp (Load) | — | 75°C |
| Perf/Watt | 0.8 | 1.0+25% |
Value Analysis
The GeForce 6600 GT is the newer GPU (2012 vs 2011).
| Feature | Radeon HD 6300M | GeForce 6600 GT |
|---|---|---|
| MSRP | — | $199 |
| Avg Price (30d) | — | $50 |
| Codename | Cayman | GK104 |
| Release | December 1 2011 | August 16 2012 |
| Ranking | #598 | #472 |
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