Radeon HD 8670M vs Radeon HD 7660D
Radeon HD 8670M
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Radeon HD 7660D
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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 8670M is positioned at rank 272 and the Radeon HD 7660D is on rank 513, so the Radeon HD 8670M 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 8670M
Performance Per Dollar Radeon HD 7660D
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 8670M is the superior choice for raw performance. It leads with a 1.6% higher G3D Mark score and 100% more VRAM (1 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 7660D.
| Insight | Radeon HD 8670M | Radeon HD 7660D |
|---|---|---|
| Performance | ✅Leading raw performance (+1.6%) | ❌Lower raw frame rates (-1.6%) |
| Longevity | 🛑Obsolete Architecture (2013 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2012 / TeraScale 2 (2009−2015)) |
| 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
While current pricing data is unavailable, the Radeon HD 8670M remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.
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 8670M and Radeon HD 7660D
Radeon HD 8670M
The Radeon HD 8670M is manufactured by AMD. It was released in May 14 2013. It features the GCN 1.0 architecture. The core clock ranges from 850 MHz to 900 MHz. It has 1280 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 520 points.
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.
Graphics Performance
The Radeon HD 8670M scores 520 and the Radeon HD 7660D reaches 512 in the G3D Mark benchmark — just a 1.6% difference, making them near-identical in rasterization performance. The Radeon HD 8670M is built on GCN 1.0 while the Radeon HD 7660D uses TeraScale 2, both on 28 nm vs 40 nm. Shader units: 1,280 (Radeon HD 8670M) vs 480 (Radeon HD 7660D). Raw compute: 2.304 TFLOPS (Radeon HD 8670M) vs 0.576 TFLOPS (Radeon HD 7660D).
| Feature | Radeon HD 8670M | Radeon HD 7660D |
|---|---|---|
| G3D Mark Score | 520+2% | 512 |
| Architecture | GCN 1.0 | TeraScale 2 |
| Process Node | 28 nm | 40 nm |
| Shading Units | 1280+167% | 480 |
| Compute (TFLOPS) | 2.304 TFLOPS+300% | 0.576 TFLOPS |
| ROPs | 32+300% | 8 |
| TMUs | 80+233% | 24 |
| L1 Cache | 320 KB+567% | 48 KB |
| L2 Cache | 512 KB+100% | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 8670M | Radeon HD 7660D |
|---|---|---|
| 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)
The Radeon HD 8670M comes with 1 GB of VRAM, while the Radeon HD 7660D has 512 MB. The Radeon HD 8670M offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs 128-bit. L2 Cache: 512 KB (Radeon HD 8670M) vs 256 KB (Radeon HD 7660D) — the Radeon HD 8670M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 8670M | Radeon HD 7660D |
|---|---|---|
| VRAM Capacity | 1 GB+100% | 0.5 GB |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | Unknown |
| Bus Width | System | 128-bit |
| L2 Cache | 512 KB+100% | 256 KB |
Power & Dimensions
The Radeon HD 8670M draws 100W versus the Radeon HD 7660D's 45W — a 75.9% difference. The Radeon HD 7660D is more power-efficient. Recommended PSU: 350W (Radeon HD 8670M) vs 350W (Radeon HD 7660D). Power connectors: 1x 6-pin vs 1x 6-pin.
| Feature | Radeon HD 8670M | Radeon HD 7660D |
|---|---|---|
| TDP | 100W | 45W-55% |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Slots | — | 0 |
| Temp (Load) | — | 70°C |
| Perf/Watt | 5.2 | 11.4+119% |
Value Analysis
The Radeon HD 8670M is the newer GPU (2013 vs 2012).
| Feature | Radeon HD 8670M | Radeon HD 7660D |
|---|---|---|
| MSRP | — | $122 |
| Avg Price (30d) | — | $15 |
| Codename | Neptune | Turks |
| Release | May 14 2013 | January 5 2012 |
| Ranking | #507 | #870 |
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