
Radeon HD 6520G
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GRID K120Q
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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 6520G is positioned at rank 165 and the GRID K120Q is on rank 276, so the Radeon HD 6520G 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 6520G
Performance Per Dollar GRID K120Q
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 6520G is the superior choice for raw performance. It leads with a 2.4% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GRID K120Q.
| Insight | Radeon HD 6520G | GRID K120Q |
|---|---|---|
| Performance | ✅Leading raw performance (+2.4%) | ❌Lower raw frame rates (-2.4%) |
| Longevity | 🛑Obsolete Architecture (2010 / TeraScale 3 (2010−2013)) | 🛑Obsolete Architecture (2013 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | 💡 Excellent Perf/Watt | Normal Efficiency |
| Case Fit | — | — |
💎 Value Proposition
The Radeon HD 6520G offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 6520G holds the technical lead. Priced at $5 (vs $20), it costs 75% less, resulting in a 309.6% higher cost efficiency score.
| Insight | Radeon HD 6520G | GRID K120Q |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+309.6%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($5) | ⚠️Higher upfront cost ($20) |
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 6520G and GRID K120Q

Radeon HD 6520G
The Radeon HD 6520G 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: 300 points. Launch price was $299.

GRID K120Q
The GRID K120Q is manufactured by NVIDIA. It was released in June 28 2013. It features the Kepler architecture. The core clock speed is 745 MHz. It has 1536 shading units. The thermal design power (TDP) is 225W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 293 points. Launch price was $937.
Graphics Performance
The Radeon HD 6520G scores 300 and the GRID K120Q reaches 293 in the G3D Mark benchmark — just a 2.4% difference, making them near-identical in rasterization performance. The Radeon HD 6520G is built on TeraScale 3 while the GRID K120Q uses Kepler, both on 40 nm vs 28 nm. Shader units: 1,408 (Radeon HD 6520G) vs 1,536 (GRID K120Q). Raw compute: 2.253 TFLOPS (Radeon HD 6520G) vs 2.289 TFLOPS (GRID K120Q).
| Feature | Radeon HD 6520G | GRID K120Q |
|---|---|---|
| G3D Mark Score | 300+2% | 293 |
| Architecture | TeraScale 3 | Kepler |
| Process Node | 40 nm | 28 nm |
| Shading Units | 1408 | 1536+9% |
| Compute (TFLOPS) | 2.253 TFLOPS | 2.289 TFLOPS+2% |
| ROPs | 32 | 32 |
| TMUs | 88 | 128+45% |
| L1 Cache | 352 KB+175% | 128 KB |
| L2 Cache | 512 KB | 512 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6520G | GRID K120Q |
|---|---|---|
| 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)
Both cards feature 512 MB of GDDR5. Bus width: 128-bit vs 64-bit.
| Feature | Radeon HD 6520G | GRID K120Q |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 512 KB | 512 KB |
Power & Dimensions
The Radeon HD 6520G draws 200W versus the GRID K120Q's 225W — a 11.8% difference. The Radeon HD 6520G is more power-efficient. Recommended PSU: 350W (Radeon HD 6520G) vs 350W (GRID K120Q). Power connectors: 1x 6-pin vs PCIe-powered.
| Feature | Radeon HD 6520G | GRID K120Q |
|---|---|---|
| TDP | 200W-11% | 225W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | PCIe-powered |
| Slots | — | 0 |
| Perf/Watt | 1.5+15% | 1.3 |
Value Analysis
The Radeon HD 6520G launched at $40 MSRP and currently averages $5, while the GRID K120Q launched at $125 and now averages $20. The Radeon HD 6520G costs 75% less ($15 savings) at current market prices. Performance per dollar (G3D Mark / price): 60.0 (Radeon HD 6520G) vs 14.7 (GRID K120Q) — the Radeon HD 6520G offers 308.2% better value. The GRID K120Q is the newer GPU (2013 vs 2010).
| Feature | Radeon HD 6520G | GRID K120Q |
|---|---|---|
| MSRP | $40-68% | $125 |
| Avg Price (30d) | $5-75% | $20 |
| Performance per Dollar | 60.0+308% | 14.7 |
| Codename | Cayman | GK104 |
| Release | December 14 2010 | June 28 2013 |
| Ranking | #623 | #589 |
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