Mobility Radeon HD 3870 X2 vs Radeon HD 7660G
Mobility Radeon HD 3870 X2
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Radeon HD 7660G
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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 Mobility Radeon HD 3870 X2 is positioned at rank 689 and the Radeon HD 7660G is on rank 372, so the Radeon HD 7660G offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Mobility Radeon HD 3870 X2
Performance Per Dollar Radeon HD 7660G
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 7660G is the superior choice for raw performance. It leads with a 0.6% higher G3D Mark score and 24900% more VRAM (512 MB vs 2 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Mobility Radeon HD 3870 X2.
| Insight | Mobility Radeon HD 3870 X2 | Radeon HD 7660G |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.6%) | ✅Leading raw performance (+0.6%) |
| Longevity | 🛑Obsolete Architecture (2008 / TeraScale (2005−2013)) | 🛑Obsolete Architecture (2012 / TeraScale 2 (2009−2015)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+24900%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
The Radeon HD 7660G offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 7660G holds the technical lead. Priced at $50 (vs $50), it costs 0% less, resulting in a 0.6% higher cost efficiency score.
| Insight | Mobility Radeon HD 3870 X2 | Radeon HD 7660G |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+0.6%) |
| 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 Mobility Radeon HD 3870 X2 and Radeon HD 7660G
Mobility Radeon HD 3870 X2
The Mobility Radeon HD 3870 X2 is manufactured by AMD. It was released in September 1 2008. It features the TeraScale architecture. The core clock speed is 660 MHz. It has 320 ×2 shading units. The thermal design power (TDP) is 110W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 478 points.
Radeon HD 7660G
The Radeon HD 7660G 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: 481 points.
Graphics Performance
The Mobility Radeon HD 3870 X2 scores 478 and the Radeon HD 7660G reaches 481 in the G3D Mark benchmark — just a 0.6% difference, making them near-identical in rasterization performance. The Mobility Radeon HD 3870 X2 is built on TeraScale while the Radeon HD 7660G uses TeraScale 2, both on 55 nm vs 40 nm. Shader units: 320 (Mobility Radeon HD 3870 X2) vs 480 (Radeon HD 7660G). Raw compute: 0.4224 TFLOPS ×2 (Mobility Radeon HD 3870 X2) vs 0.576 TFLOPS (Radeon HD 7660G).
| Feature | Mobility Radeon HD 3870 X2 | Radeon HD 7660G |
|---|---|---|
| G3D Mark Score | 478 | 481 |
| Architecture | TeraScale | TeraScale 2 |
| Process Node | 55 nm | 40 nm |
| Shading Units | 320 ×2 | 480+50% |
| Compute (TFLOPS) | 0.4224 TFLOPS ×2 | 0.576 TFLOPS+36% |
| ROPs | 16 ×2+100% | 8 |
| TMUs | 16 ×2 | 24+50% |
| L2 Cache | 256 KB | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Mobility Radeon HD 3870 X2 | Radeon HD 7660G |
|---|---|---|
| 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 Mobility Radeon HD 3870 X2 comes with 2 MB of VRAM, while the Radeon HD 7660G has 512 MB. The Radeon HD 7660G offers 24900% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 128-bit.
| Feature | Mobility Radeon HD 3870 X2 | Radeon HD 7660G |
|---|---|---|
| VRAM Capacity | 0.002 GB | 0.5 GB+24900% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 64-bit | 128-bit+100% |
| L2 Cache | 256 KB | 256 KB |
Display & API Support
DirectX support: 10.1 (Mobility Radeon HD 3870 X2) vs 11 (11_0) (Radeon HD 7660G). Maximum simultaneous displays: 0 vs 2.
| Feature | Mobility Radeon HD 3870 X2 | Radeon HD 7660G |
|---|---|---|
| DirectX | 10.1 | 11 (11_0)+9% |
| Max Displays | 0 | 2 |
Media & Encoding
Hardware encoder: UVD (Mobility Radeon HD 3870 X2) vs VCE 1.0 (Radeon HD 7660G). Decoder: UVD vs UVD 3.
| Feature | Mobility Radeon HD 3870 X2 | Radeon HD 7660G |
|---|---|---|
| Encoder | UVD | VCE 1.0 |
| Decoder | UVD | UVD 3 |
| Codecs | — | H.264,VC-1,MPEG-2,DivX |
Power & Dimensions
The Mobility Radeon HD 3870 X2 draws 110W versus the Radeon HD 7660G's 45W — a 83.9% difference. The Radeon HD 7660G is more power-efficient. Recommended PSU: 350W (Mobility Radeon HD 3870 X2) vs 350W (Radeon HD 7660G). Power connectors: PCIe-powered vs 1x 6-pin.
| Feature | Mobility Radeon HD 3870 X2 | Radeon HD 7660G |
|---|---|---|
| TDP | 110W | 45W-59% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | 1x 6-pin |
| Length | 1mm | — |
| Slots | 0 | 0 |
| Temp (Load) | — | 75°C |
| Perf/Watt | 4.3 | 10.7+149% |
Value Analysis
The Mobility Radeon HD 3870 X2 launched at $449 MSRP and currently averages $50, while the Radeon HD 7660G launched at $50 and now averages $50. Performance per dollar (G3D Mark / price): 9.6 (Mobility Radeon HD 3870 X2) vs 9.6 (Radeon HD 7660G) — the Radeon HD 7660G offers 0% better value. The Radeon HD 7660G is the newer GPU (2012 vs 2008).
| Feature | Mobility Radeon HD 3870 X2 | Radeon HD 7660G |
|---|---|---|
| MSRP | $449 | $50-89% |
| Avg Price (30d) | $50 | $50 |
| Performance per Dollar | 9.6 | 9.6 |
| Codename | M88 | Turks |
| Release | September 1 2008 | January 5 2012 |
| Ranking | #919 | #870 |
Top Performing GPUs
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