Radeon HD 7660D vs Radeon HD 8670M
Radeon HD 7660D
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Radeon HD 8670M
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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 8670M is on rank 272, 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 7660D
Performance Per Dollar Radeon HD 8670M
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 7660D | Radeon HD 8670M |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.6%) | ✅Leading raw performance (+1.6%) |
| Longevity | 🛑Obsolete Architecture (2012 / TeraScale 2 (2009−2015)) | 🛑Obsolete Architecture (2013 / GCN 1.0 (2012−2020)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| 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 7660D and Radeon HD 8670M
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 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.
Graphics Performance
The Radeon HD 7660D scores 512 and the Radeon HD 8670M reaches 520 in the G3D Mark benchmark — just a 1.6% difference, making them near-identical in rasterization performance. The Radeon HD 7660D is built on TeraScale 2 while the Radeon HD 8670M uses GCN 1.0, both on 40 nm vs 28 nm. Shader units: 480 (Radeon HD 7660D) vs 1,280 (Radeon HD 8670M). Raw compute: 0.576 TFLOPS (Radeon HD 7660D) vs 2.304 TFLOPS (Radeon HD 8670M).
| Feature | Radeon HD 7660D | Radeon HD 8670M |
|---|---|---|
| G3D Mark Score | 512 | 520+2% |
| Architecture | TeraScale 2 | GCN 1.0 |
| Process Node | 40 nm | 28 nm |
| Shading Units | 480 | 1280+167% |
| Compute (TFLOPS) | 0.576 TFLOPS | 2.304 TFLOPS+300% |
| ROPs | 8 | 32+300% |
| TMUs | 24 | 80+233% |
| L1 Cache | 48 KB | 320 KB+567% |
| L2 Cache | 256 KB | 512 KB+100% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7660D | Radeon HD 8670M |
|---|---|---|
| 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 7660D comes with 512 MB of VRAM, while the Radeon HD 8670M has 1 GB. The Radeon HD 8670M offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs System. L2 Cache: 256 KB (Radeon HD 7660D) vs 512 KB (Radeon HD 8670M) — the Radeon HD 8670M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 7660D | Radeon HD 8670M |
|---|---|---|
| VRAM Capacity | 0.5 GB | 1 GB+100% |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 128-bit | System |
| L2 Cache | 256 KB | 512 KB+100% |
Power & Dimensions
The Radeon HD 7660D draws 45W versus the Radeon HD 8670M's 100W — a 75.9% difference. The Radeon HD 7660D is more power-efficient. Recommended PSU: 350W (Radeon HD 7660D) vs 350W (Radeon HD 8670M). Power connectors: 1x 6-pin vs 1x 6-pin.
| Feature | Radeon HD 7660D | Radeon HD 8670M |
|---|---|---|
| TDP | 45W-55% | 100W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Slots | 0 | — |
| Temp (Load) | 70°C | — |
| Perf/Watt | 11.4+119% | 5.2 |
Value Analysis
The Radeon HD 8670M is the newer GPU (2013 vs 2012).
| Feature | Radeon HD 7660D | Radeon HD 8670M |
|---|---|---|
| MSRP | $122 | — |
| Avg Price (30d) | $15 | — |
| Codename | Turks | Neptune |
| Release | January 5 2012 | May 14 2013 |
| Ranking | #870 | #507 |
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