Radeon HD 7660D vs Radeon HD 7640G + HD 7670M Dual
Radeon HD 7660D
Popular choices:
Radeon HD 7640G + HD 7670M 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 Radeon HD 7660D is positioned at rank 513 and the Radeon HD 7640G + HD 7670M Dual is on rank 558, so the Radeon HD 7660D 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 7660D
Performance Per Dollar Radeon HD 7640G + HD 7670M Dual
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 7640G + HD 7670M Dual is the superior choice for raw performance. It leads with a 1.4% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 7660D.
| Insight | Radeon HD 7660D | Radeon HD 7640G + HD 7670M Dual |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.4%) | ✅Leading raw performance (+1.4%) |
| Longevity | 🛑Obsolete Architecture (2012 / TeraScale 2 (2009−2015)) | 🛑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 HD 7660D offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 7660D holds the technical lead. Priced at $15 (vs $30), it costs 50% less, resulting in a 97.3% higher cost efficiency score.
| Insight | Radeon HD 7660D | Radeon HD 7640G + HD 7670M Dual |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+97.3%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($15) | ⚠️Higher upfront cost ($30) |
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 7660D and Radeon HD 7640G + HD 7670M Dual
Radeon HD 7660D
The Radeon HD 7660D 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: 512 points.
Radeon HD 7640G + HD 7670M Dual
The Radeon HD 7640G + HD 7670M 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: 519 points.
Graphics Performance
The Radeon HD 7660D scores 512 and the Radeon HD 7640G + HD 7670M Dual reaches 519 in the G3D Mark benchmark — just a 1.4% difference, making them near-identical in rasterization performance. Shader units: 480 (Radeon HD 7660D) vs 768 (Radeon HD 7640G + HD 7670M Dual).
| Feature | Radeon HD 7660D | Radeon HD 7640G + HD 7670M Dual |
|---|---|---|
| G3D Mark Score | 512 | 519+1% |
| Process Node | 40 nm | 28 nm |
| Shading Units | 480 | 768+60% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7660D | Radeon HD 7640G + HD 7670M 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 HD 7660D | Radeon HD 7640G + HD 7670M 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 HD 7660D draws 45W versus the Radeon HD 7640G + HD 7670M Dual's 50W — a 10.5% difference. The Radeon HD 7660D is more power-efficient. Recommended PSU: 350W (Radeon HD 7660D) vs 350W (Radeon HD 7640G + HD 7670M Dual). Power connectors: 1x 6-pin vs 1x 6-pin.
| Feature | Radeon HD 7660D | Radeon HD 7640G + HD 7670M Dual |
|---|---|---|
| TDP | 45W-10% | 50W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Slots | 0 | — |
| Temp (Load) | 70°C | — |
| Perf/Watt | 11.4+10% | 10.4 |
Value Analysis
The Radeon HD 7660D launched at $122 MSRP and currently averages $15, while the Radeon HD 7640G + HD 7670M Dual launched at $150 and now averages $30. The Radeon HD 7660D costs 50% less ($15 savings) at current market prices. Performance per dollar (G3D Mark / price): 34.1 (Radeon HD 7660D) vs 17.3 (Radeon HD 7640G + HD 7670M Dual) — the Radeon HD 7660D offers 97.1% better value. The Radeon HD 7640G + HD 7670M Dual is the newer GPU (2013 vs 2012).
| Feature | Radeon HD 7660D | Radeon HD 7640G + HD 7670M Dual |
|---|---|---|
| MSRP | $122-19% | $150 |
| Avg Price (30d) | $15-50% | $30 |
| Performance per Dollar | 34.1+97% | 17.3 |
| Codename | Turks | — |
| Release | January 5 2012 | August 1 2013 |
| Ranking | #870 | #881 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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