Radeon HD 7640G + HD 7670M Dual vs Radeon HD 8670D
Radeon HD 7640G + HD 7670M Dual
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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 7640G + HD 7670M Dual is positioned at rank 558 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 7640G + HD 7670M Dual
Performance Per Dollar Radeon HD 8670D
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 0.4% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 8670D.
| Insight | Radeon HD 7640G + HD 7670M Dual | Radeon HD 8670D |
|---|---|---|
| Performance | ✅Leading raw performance (+0.4%) | ❌Lower raw frame rates (-0.4%) |
| Longevity | 🛑Obsolete Architecture (2013 / Legacy) | 🛑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 $30), it costs 50% less, resulting in a 99.2% higher cost efficiency score.
| Insight | Radeon HD 7640G + HD 7670M Dual | Radeon HD 8670D |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+99.2%) |
| Upfront Cost | ⚠️Higher upfront cost ($30) | ✅More affordable ($15) |
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 7640G + HD 7670M Dual and Radeon HD 8670D
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.
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 7640G + HD 7670M Dual scores 519 and the Radeon HD 8670D reaches 517 in the G3D Mark benchmark — just a 0.4% difference, making them near-identical in rasterization performance. Shader units: 768 (Radeon HD 7640G + HD 7670M Dual) vs 1,280 (Radeon HD 8670D).
| Feature | Radeon HD 7640G + HD 7670M Dual | Radeon HD 8670D |
|---|---|---|
| G3D Mark Score | 519 | 517 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 768 | 1280+67% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7640G + HD 7670M Dual | 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.
| Feature | Radeon HD 7640G + HD 7670M Dual | 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 |
Power & Dimensions
The Radeon HD 7640G + HD 7670M Dual draws 50W versus the Radeon HD 8670D's 200W — a 120% difference. The Radeon HD 7640G + HD 7670M Dual is more power-efficient. Recommended PSU: 350W (Radeon HD 7640G + HD 7670M Dual) vs 350W (Radeon HD 8670D). Power connectors: 1x 6-pin vs 1x 6-pin.
| Feature | Radeon HD 7640G + HD 7670M Dual | Radeon HD 8670D |
|---|---|---|
| TDP | 50W-75% | 200W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Length | — | 1mm |
| Slots | — | 0 |
| Perf/Watt | 10.4+300% | 2.6 |
Value Analysis
The Radeon HD 7640G + HD 7670M Dual launched at $150 MSRP and currently averages $30, while the Radeon HD 8670D launched at $60 and now averages $15. The Radeon HD 8670D costs 50% less ($15 savings) at current market prices. Performance per dollar (G3D Mark / price): 17.3 (Radeon HD 7640G + HD 7670M Dual) vs 34.5 (Radeon HD 8670D) — the Radeon HD 8670D offers 99.4% better value. The Radeon HD 7640G + HD 7670M Dual is the newer GPU (2013 vs 2012).
| Feature | Radeon HD 7640G + HD 7670M Dual | Radeon HD 8670D |
|---|---|---|
| MSRP | $150 | $60-60% |
| Avg Price (30d) | $30 | $15-50% |
| Performance per Dollar | 17.3 | 34.5+99% |
| Codename | — | Pitcairn |
| Release | August 1 2013 | March 5 2012 |
| Ranking | #881 | #460 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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