CPU
GPU
Radeon HD 7660G
Popular choices:
Mobility Radeon HD 3870 X2
Popular choices:
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 7660G is positioned at rank 372 and the Mobility Radeon HD 3870 X2 is on rank 689, 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 Radeon HD 7660G
Performance Per Dollar Mobility Radeon HD 3870 X2
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 | Radeon HD 7660G | Mobility Radeon HD 3870 X2 |
|---|---|---|
| Performance | ✅Leading raw performance (+0.6%) | ❌Lower raw frame rates (-0.6%) |
| Longevity | 🛑Obsolete Architecture (2012 / TeraScale 2 (2009−2015)) | 🛑Obsolete Architecture (2008 / TeraScale (2005−2013)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+24900%) | ❌ Less VRAM capacity |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| 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 | Radeon HD 7660G | Mobility Radeon HD 3870 X2 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+0.6%) | ❌Lower cost efficiency |
| 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.
Path of Exile 2
Counter-Strike 2
Technical Specifications
Side-by-side comparison of Radeon HD 7660G and Mobility Radeon HD 3870 X2
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.
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.
Graphics Performance
The Radeon HD 7660G scores 481 and the Mobility Radeon HD 3870 X2 reaches 478 in the G3D Mark benchmark — just a 0.6% difference, making them near-identical in rasterization performance. The Radeon HD 7660G is built on TeraScale 2 while the Mobility Radeon HD 3870 X2 uses TeraScale, both on 40 nm vs 55 nm. Shader units: 480 (Radeon HD 7660G) vs 320 (Mobility Radeon HD 3870 X2). Raw compute: 0.576 TFLOPS (Radeon HD 7660G) vs 0.4224 TFLOPS ×2 (Mobility Radeon HD 3870 X2).
| Feature | Radeon HD 7660G | Mobility Radeon HD 3870 X2 |
|---|---|---|
| G3D Mark Score | 481 | 478 |
| Architecture | TeraScale 2 | TeraScale |
| Process Node | 40 nm | 55 nm |
| Shading Units | 480+50% | 320 ×2 |
| Compute (TFLOPS) | 0.576 TFLOPS+36% | 0.4224 TFLOPS ×2 |
| ROPs | 8 | 16 ×2+100% |
| TMUs | 24+50% | 16 ×2 |
| L2 Cache | 256 KB | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7660G | Mobility Radeon HD 3870 X2 |
|---|---|---|
| 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 7660G comes with 512 MB of VRAM, while the Mobility Radeon HD 3870 X2 has 2 MB. The Radeon HD 7660G offers 24900% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit.
| Feature | Radeon HD 7660G | Mobility Radeon HD 3870 X2 |
|---|---|---|
| VRAM Capacity | 0.5 GB+24900% | 0.002 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 256 KB | 256 KB |
Display & API Support
DirectX support: 11 (11_0) (Radeon HD 7660G) vs 10.1 (Mobility Radeon HD 3870 X2). Maximum simultaneous displays: 2 vs 0.
| Feature | Radeon HD 7660G | Mobility Radeon HD 3870 X2 |
|---|---|---|
| DirectX | 11 (11_0)+9% | 10.1 |
| Max Displays | 2 | 0 |
Media & Encoding
Hardware encoder: VCE 1.0 (Radeon HD 7660G) vs UVD (Mobility Radeon HD 3870 X2). Decoder: UVD 3 vs UVD.
| Feature | Radeon HD 7660G | Mobility Radeon HD 3870 X2 |
|---|---|---|
| Encoder | VCE 1.0 | UVD |
| Decoder | UVD 3 | UVD |
| Codecs | H.264,VC-1,MPEG-2,DivX | — |
Power & Dimensions
The Radeon HD 7660G draws 45W versus the Mobility Radeon HD 3870 X2's 110W — a 83.9% difference. The Radeon HD 7660G is more power-efficient. Recommended PSU: 350W (Radeon HD 7660G) vs 350W (Mobility Radeon HD 3870 X2). Power connectors: 1x 6-pin vs PCIe-powered.
| Feature | Radeon HD 7660G | Mobility Radeon HD 3870 X2 |
|---|---|---|
| TDP | 45W-59% | 110W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | PCIe-powered |
| Length | — | 1mm |
| Slots | 0 | 0 |
| Temp (Load) | 75°C | — |
| Perf/Watt | 10.7+149% | 4.3 |
Value Analysis
The Radeon HD 7660G launched at $50 MSRP and currently averages $50, while the Mobility Radeon HD 3870 X2 launched at $449 and now averages $50. Performance per dollar (G3D Mark / price): 9.6 (Radeon HD 7660G) vs 9.6 (Mobility Radeon HD 3870 X2) — the Mobility Radeon HD 3870 X2 offers 0% better value. The Radeon HD 7660G is the newer GPU (2012 vs 2008).
| Feature | Radeon HD 7660G | Mobility Radeon HD 3870 X2 |
|---|---|---|
| MSRP | $50-89% | $449 |
| Avg Price (30d) | $50 | $50 |
| Performance per Dollar | 9.6 | 9.6 |
| Codename | Turks | M88 |
| Release | January 5 2012 | September 1 2008 |
| Ranking | #870 | #919 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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