Radeon HD 7660D vs Radeon HD 8670D
Radeon HD 7660D
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Radeon HD 8670D
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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 8670D is on rank 146, so the Radeon HD 8670D 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 8670D
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 8670D is the superior choice for raw performance. It leads with a 1% 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 8670D |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1%) | ✅Leading raw performance (+1%) |
| Longevity | 🛑Obsolete Architecture (2012 / TeraScale 2 (2009−2015)) | 🛑Obsolete Architecture (2012 / GCN 1.0 (2012−2020)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
The Radeon HD 8670D offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 8670D holds the technical lead. Priced at $15 (vs $15), it costs 0% less, resulting in a 1% higher cost efficiency score.
| Insight | Radeon HD 7660D | Radeon HD 8670D |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+1%) |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 8670D
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 8670D
The Radeon HD 8670D is manufactured by AMD. It was released in March 5 2012. It features the GCN 1.0 architecture. The core clock speed is 1000 MHz. It has 1280 shading units. The thermal design power (TDP) is 200W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 517 points. Launch price was $349.
Graphics Performance
The Radeon HD 7660D scores 512 and the Radeon HD 8670D reaches 517 in the G3D Mark benchmark — just a 1% difference, making them near-identical in rasterization performance. The Radeon HD 7660D is built on TeraScale 2 while the Radeon HD 8670D uses GCN 1.0, both on 40 nm vs 28 nm. Shader units: 480 (Radeon HD 7660D) vs 1,280 (Radeon HD 8670D). Raw compute: 0.576 TFLOPS (Radeon HD 7660D) vs 2.56 TFLOPS (Radeon HD 8670D).
| Feature | Radeon HD 7660D | Radeon HD 8670D |
|---|---|---|
| G3D Mark Score | 512 | 517 |
| Architecture | TeraScale 2 | GCN 1.0 |
| Process Node | 40 nm | 28 nm |
| Shading Units | 480 | 1280+167% |
| Compute (TFLOPS) | 0.576 TFLOPS | 2.56 TFLOPS+344% |
| 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 8670D |
|---|---|---|
| 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. L2 Cache: 256 KB (Radeon HD 7660D) vs 512 KB (Radeon HD 8670D) — the Radeon HD 8670D has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 7660D | Radeon HD 8670D |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 256 KB | 512 KB+100% |
Display & API Support
DirectX support: 11 (11_2) (Radeon HD 7660D) vs 11.2 (Radeon HD 8670D). Maximum simultaneous displays: 3 vs 0.
| Feature | Radeon HD 7660D | Radeon HD 8670D |
|---|---|---|
| DirectX | 11 (11_2) | 11.2+2% |
| Max Displays | 3 | 0 |
Media & Encoding
Hardware encoder: VCE 1.0 (Radeon HD 7660D) vs VCE 1.0 (Radeon HD 8670D). Decoder: UVD 3 vs UVD 3.2.
| Feature | Radeon HD 7660D | Radeon HD 8670D |
|---|---|---|
| Encoder | VCE 1.0 | VCE 1.0 |
| Decoder | UVD 3 | UVD 3.2 |
| Codecs | H.264,VC-1,MPEG-2,MPEG-4 | — |
Power & Dimensions
The Radeon HD 7660D draws 45W versus the Radeon HD 8670D's 200W — a 126.5% difference. The Radeon HD 7660D is more power-efficient. Recommended PSU: 350W (Radeon HD 7660D) vs 350W (Radeon HD 8670D). Power connectors: 1x 6-pin vs 1x 6-pin.
| Feature | Radeon HD 7660D | Radeon HD 8670D |
|---|---|---|
| TDP | 45W-78% | 200W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Length | — | 1mm |
| Slots | 0 | 0 |
| Temp (Load) | 70°C | — |
| Perf/Watt | 11.4+338% | 2.6 |
Value Analysis
The Radeon HD 7660D launched at $122 MSRP and currently averages $15, while the Radeon HD 8670D launched at $60 and now averages $15. Performance per dollar (G3D Mark / price): 34.1 (Radeon HD 7660D) vs 34.5 (Radeon HD 8670D) — the Radeon HD 8670D offers 1.2% better value.
| Feature | Radeon HD 7660D | Radeon HD 8670D |
|---|---|---|
| MSRP | $122 | $60-51% |
| Avg Price (30d) | $15 | $15 |
| Performance per Dollar | 34.1 | 34.5+1% |
| Codename | Turks | Pitcairn |
| Release | January 5 2012 | March 5 2012 |
| Ranking | #870 | #460 |
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