Radeon HD 7660G vs Radeon R4E
Radeon HD 7660G
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Radeon R4E
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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 7660G is positioned at rank 372 and the Radeon R4E is on rank 235, so the Radeon R4E 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 7660G
Performance Per Dollar Radeon R4E
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon R4E 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.
| Insight | Radeon HD 7660G | Radeon R4E |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.2%) | ✅Leading raw performance (+1.2%) |
| Longevity | 🛑Obsolete Architecture (2012 / TeraScale 2 (2009−2015)) | 🛑Obsolete Architecture (2017 / GCN 4.0 (2016−2020)) |
| 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 R4E offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon R4E holds the technical lead. Priced at $20 (vs $50), it costs 60% less, resulting in a 153.1% higher cost efficiency score.
| Insight | Radeon HD 7660G | Radeon R4E |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+153.1%) |
| Upfront Cost | ⚠️Higher upfront cost ($50) | ✅More affordable ($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 7660G and Radeon R4E
Radeon HD 7660G
The Radeon HD 7660G is manufactured by AMD. It was released in January 5 2012. It features the TeraScale 2 architecture. The core clock speed is 600 MHz. It has 480 shading units. The thermal design power (TDP) is 45W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 481 points.
Radeon R4E
The Radeon R4E 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: 487 points. Launch price was $79.
Graphics Performance
The Radeon HD 7660G scores 481 and the Radeon R4E reaches 487 in the G3D Mark benchmark — just a 1.2% difference, making them near-identical in rasterization performance. The Radeon HD 7660G is built on TeraScale 2 while the Radeon R4E uses GCN 4.0, both on 40 nm vs 14 nm. Shader units: 480 (Radeon HD 7660G) vs 384 (Radeon R4E). Raw compute: 0.576 TFLOPS (Radeon HD 7660G) vs 0.9085 TFLOPS (Radeon R4E).
| Feature | Radeon HD 7660G | Radeon R4E |
|---|---|---|
| G3D Mark Score | 481 | 487+1% |
| Architecture | TeraScale 2 | GCN 4.0 |
| Process Node | 40 nm | 14 nm |
| Shading Units | 480+25% | 384 |
| Compute (TFLOPS) | 0.576 TFLOPS | 0.9085 TFLOPS+58% |
| ROPs | 8 | 16+100% |
| TMUs | 24 | 24 |
| L1 Cache | 48 KB | 96 KB+100% |
| L2 Cache | 256 KB | 512 KB+100% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7660G | Radeon R4E |
|---|---|---|
| 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 64-bit. L2 Cache: 256 KB (Radeon HD 7660G) vs 512 KB (Radeon R4E) — the Radeon R4E has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 7660G | Radeon R4E |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 256 KB | 512 KB+100% |
Power & Dimensions
The Radeon HD 7660G draws 45W versus the Radeon R4E's 50W — a 10.5% difference. The Radeon HD 7660G is more power-efficient. Recommended PSU: 350W (Radeon HD 7660G) vs 350W (Radeon R4E). Power connectors: 1x 6-pin vs None.
| Feature | Radeon HD 7660G | Radeon R4E |
|---|---|---|
| TDP | 45W-10% | 50W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | None |
| Slots | 0 | — |
| Temp (Load) | 75°C | — |
| Perf/Watt | 10.7+10% | 9.7 |
Value Analysis
The Radeon HD 7660G launched at $50 MSRP and currently averages $50, while the Radeon R4E launched at $100 and now averages $20. The Radeon R4E costs 60% less ($30 savings) at current market prices. Performance per dollar (G3D Mark / price): 9.6 (Radeon HD 7660G) vs 24.4 (Radeon R4E) — the Radeon R4E offers 154.2% better value. The Radeon R4E is the newer GPU (2017 vs 2012).
| Feature | Radeon HD 7660G | Radeon R4E |
|---|---|---|
| MSRP | $50-50% | $100 |
| Avg Price (30d) | $50 | $20-60% |
| Performance per Dollar | 9.6 | 24.4+154% |
| Codename | Turks | Lexa |
| Release | January 5 2012 | April 20 2017 |
| Ranking | #870 | #773 |
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