Radeon R5 420 vs Radeon HD 7660G + HD 7600M Dual
Radeon R5 420
Popular choices:
Radeon HD 7660G + HD 7600M Dual
Popular choices:
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 R5 420 is positioned at rank 175 and the Radeon HD 7660G + HD 7600M Dual is on rank 538, so the Radeon R5 420 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon R5 420
Performance Per Dollar Radeon HD 7660G + HD 7600M Dual
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon R5 420 is the superior choice for raw performance. It leads with a 1.2% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 7660G + HD 7600M Dual.
| Insight | Radeon R5 420 | Radeon HD 7660G + HD 7600M Dual |
|---|---|---|
| Performance | ✅Leading raw performance (+1.2%) | ❌Lower raw frame rates (-1.2%) |
| Longevity | 🛑Obsolete Architecture (2017 / GCN 4.0 (2016−2020)) | 🛑Obsolete Architecture (2013 / Legacy) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | Normal Efficiency | Normal Efficiency |
| Case Fit | — | — |
💎 Value Proposition
The Radeon R5 420 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon R5 420 holds the technical lead. Priced at $20 (vs $40), it costs 50% less, resulting in a 102.5% higher cost efficiency score.
| Insight | Radeon R5 420 | Radeon HD 7660G + HD 7600M Dual |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+102.5%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($20) | ⚠️Higher upfront cost ($40) |
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 R5 420 and Radeon HD 7660G + HD 7600M Dual
Radeon R5 420
The Radeon R5 420 is manufactured by AMD. It was released in April 20 2017. It features the GCN 4.0 architecture. The core clock ranges from 1183 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 50W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 575 points. Launch price was $79.
Radeon HD 7660G + HD 7600M Dual
The Radeon HD 7660G + HD 7600M 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: 568 points.
Graphics Performance
The Radeon R5 420 scores 575 and the Radeon HD 7660G + HD 7600M Dual reaches 568 in the G3D Mark benchmark — just a 1.2% difference, making them near-identical in rasterization performance. Shader units: 384 (Radeon R5 420) vs 768 (Radeon HD 7660G + HD 7600M Dual).
| Feature | Radeon R5 420 | Radeon HD 7660G + HD 7600M Dual |
|---|---|---|
| G3D Mark Score | 575+1% | 568 |
| Process Node | 14 nm | 28 nm |
| Shading Units | 384 | 768+100% |
Advanced Features (DLSS/FSR)
| Feature | Radeon R5 420 | Radeon HD 7660G + HD 7600M Dual |
|---|---|---|
| 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)
Both cards feature 512 MB of GDDR5. Bus width: 128-bit vs 128-bit.
| Feature | Radeon R5 420 | Radeon HD 7660G + HD 7600M Dual |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
Power & Dimensions
The Radeon R5 420 draws 50W versus the Radeon HD 7660G + HD 7600M Dual's 50W — a 0% difference. The Radeon HD 7660G + HD 7600M Dual is more power-efficient. Recommended PSU: 350W (Radeon R5 420) vs 350W (Radeon HD 7660G + HD 7600M Dual). Power connectors: None vs 1x 6-pin.
| Feature | Radeon R5 420 | Radeon HD 7660G + HD 7600M Dual |
|---|---|---|
| TDP | 50W | 50W |
| Recommended PSU | 350W | 350W |
| Power Connector | None | 1x 6-pin |
| Length | — | 0mm |
| Height | — | 0mm |
| Slots | — | 0 |
| Temp (Load) | — | 70°C |
| Perf/Watt | 11.5 | 11.4 |
Value Analysis
The Radeon R5 420 launched at $80 MSRP and currently averages $20, while the Radeon HD 7660G + HD 7600M Dual launched at $150 and now averages $40. The Radeon R5 420 costs 50% less ($20 savings) at current market prices. Performance per dollar (G3D Mark / price): 28.8 (Radeon R5 420) vs 14.2 (Radeon HD 7660G + HD 7600M Dual) — the Radeon R5 420 offers 102.8% better value. The Radeon R5 420 is the newer GPU (2017 vs 2013).
| Feature | Radeon R5 420 | Radeon HD 7660G + HD 7600M Dual |
|---|---|---|
| MSRP | $80-47% | $150 |
| Avg Price (30d) | $20-50% | $40 |
| Performance per Dollar | 28.8+103% | 14.2 |
| Codename | Lexa | — |
| Release | April 20 2017 | August 1 2013 |
| Ranking | #773 | #881 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
You May Also Compare
Similar GPU comparisons based on Radeon R5 420 and Radeon HD 7660G + HD 7600M Dual
