Quadro K420 vs Radeon HD 7660G + HD 8600/8700M Dual
Quadro K420
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Radeon HD 7660G + HD 8600/8700M Dual
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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 Quadro K420 is positioned at rank 220 and the Radeon HD 7660G + HD 8600/8700M Dual is on rank 541, so the Quadro K420 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Quadro K420
Performance Per Dollar Radeon HD 7660G + HD 8600/8700M Dual
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 7660G + HD 8600/8700M Dual is the superior choice for raw performance. It leads with a 2.9% higher G3D Mark score. However, the Quadro K420 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Quadro K420 | Radeon HD 7660G + HD 8600/8700M Dual |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.9%) | ✅Leading raw performance (+2.9%) |
| Longevity | 🛑Obsolete Architecture (2014 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2013 / Legacy) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
The Quadro K420 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Quadro K420 holds the technical lead. Priced at $20 (vs $50), it costs 60% less, resulting in a 143% higher cost efficiency score.
| Insight | Quadro K420 | Radeon HD 7660G + HD 8600/8700M Dual |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+143%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($20) | ⚠️Higher upfront cost ($50) |
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 Quadro K420 and Radeon HD 7660G + HD 8600/8700M Dual
Quadro K420
The Quadro K420 is manufactured by NVIDIA. It was released in July 22 2014. It features the Kepler architecture. The core clock ranges from 771 MHz to 784 MHz. It has 1344 shading units. The thermal design power (TDP) is 108W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 726 points. Launch price was $854.99.
Radeon HD 7660G + HD 8600/8700M Dual
The Radeon HD 7660G + HD 8600/8700M Dual is manufactured by AMD. It was released in August 1 2013. The core clock speed is 720 / 775 MHz. It has 768 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 747 points.
Graphics Performance
The Quadro K420 scores 726 and the Radeon HD 7660G + HD 8600/8700M Dual reaches 747 in the G3D Mark benchmark — just a 2.9% difference, making them near-identical in rasterization performance. Shader units: 1,344 (Quadro K420) vs 768 (Radeon HD 7660G + HD 8600/8700M Dual).
| Feature | Quadro K420 | Radeon HD 7660G + HD 8600/8700M Dual |
|---|---|---|
| G3D Mark Score | 726 | 747+3% |
| Process Node | 28 nm | 28 nm |
| Shading Units | 1344+75% | 768 |
Advanced Features (DLSS/FSR)
| Feature | Quadro K420 | Radeon HD 7660G + HD 8600/8700M Dual |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The Quadro K420 comes with 1 GB of VRAM, while the Radeon HD 7660G + HD 8600/8700M Dual has 512 MB. The Quadro K420 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 128-bit.
| Feature | Quadro K420 | Radeon HD 7660G + HD 8600/8700M Dual |
|---|---|---|
| VRAM Capacity | 1 GB+100% | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 128-bit+100% |
Power & Dimensions
The Quadro K420 draws 108W versus the Radeon HD 7660G + HD 8600/8700M Dual's 50W — a 73.4% difference. The Radeon HD 7660G + HD 8600/8700M Dual is more power-efficient. Recommended PSU: 350W (Quadro K420) vs 350W (Radeon HD 7660G + HD 8600/8700M Dual). Power connectors: PCIe-powered vs 1x 6-pin.
| Feature | Quadro K420 | Radeon HD 7660G + HD 8600/8700M Dual |
|---|---|---|
| TDP | 108W | 50W-54% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | 1x 6-pin |
| Perf/Watt | 6.7 | 14.9+122% |
Value Analysis
The Quadro K420 launched at $150 MSRP and currently averages $20, while the Radeon HD 7660G + HD 8600/8700M Dual launched at $200 and now averages $50. The Quadro K420 costs 60% less ($30 savings) at current market prices. Performance per dollar (G3D Mark / price): 36.3 (Quadro K420) vs 14.9 (Radeon HD 7660G + HD 8600/8700M Dual) — the Quadro K420 offers 143.6% better value. The Quadro K420 is the newer GPU (2014 vs 2013).
| Feature | Quadro K420 | Radeon HD 7660G + HD 8600/8700M Dual |
|---|---|---|
| MSRP | $150-25% | $200 |
| Avg Price (30d) | $20-60% | $50 |
| Performance per Dollar | 36.3+144% | 14.9 |
| Codename | GK104 | — |
| Release | July 22 2014 | August 1 2013 |
| Ranking | #475 | #881 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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