Mobility Radeon HD 3870 X2 vs Radeon HD 7670M
Mobility Radeon HD 3870 X2
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Radeon HD 7670M
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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 7670M is on rank 325, so the Radeon HD 7670M 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 7670M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Mobility Radeon HD 3870 X2 is the superior choice for raw performance. It leads with a 0.4% higher G3D Mark score. However, the Radeon HD 7670M offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Mobility Radeon HD 3870 X2 | Radeon HD 7670M |
|---|---|---|
| Performance | ✅Leading raw performance (+0.4%) | ❌Lower raw frame rates (-0.4%) |
| Longevity | 🛑Obsolete Architecture (2008 / TeraScale (2005−2013)) | 🛑Obsolete Architecture (2012 / GCN 1.0 (2012−2020)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+49900%) |
| Efficiency | Normal Efficiency | Normal Efficiency |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
While current pricing data is unavailable, the Mobility Radeon HD 3870 X2 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 Mobility Radeon HD 3870 X2 and Radeon HD 7670M
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 7670M
The Radeon HD 7670M is manufactured by AMD. It was released in April 24 2012. It features the GCN 1.0 architecture. The core clock speed is 850 MHz. It has 1280 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 476 points.
Graphics Performance
The Mobility Radeon HD 3870 X2 scores 478 and the Radeon HD 7670M reaches 476 in the G3D Mark benchmark — just a 0.4% difference, making them near-identical in rasterization performance. The Mobility Radeon HD 3870 X2 is built on TeraScale while the Radeon HD 7670M uses GCN 1.0, both on 55 nm vs 28 nm. Shader units: 320 (Mobility Radeon HD 3870 X2) vs 1,280 (Radeon HD 7670M). Raw compute: 0.4224 TFLOPS ×2 (Mobility Radeon HD 3870 X2) vs 2.176 TFLOPS (Radeon HD 7670M).
| Feature | Mobility Radeon HD 3870 X2 | Radeon HD 7670M |
|---|---|---|
| G3D Mark Score | 478 | 476 |
| Architecture | TeraScale | GCN 1.0 |
| Process Node | 55 nm | 28 nm |
| Shading Units | 320 ×2 | 1280+300% |
| Compute (TFLOPS) | 0.4224 TFLOPS ×2 | 2.176 TFLOPS+415% |
| ROPs | 16 ×2 | 32+100% |
| TMUs | 16 ×2 | 80+400% |
| L2 Cache | 256 KB | 512 KB+100% |
Advanced Features (DLSS/FSR)
| Feature | Mobility Radeon HD 3870 X2 | Radeon HD 7670M |
|---|---|---|
| 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 7670M has 1 GB. The Radeon HD 7670M offers 49900% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs System. L2 Cache: 256 KB (Mobility Radeon HD 3870 X2) vs 512 KB (Radeon HD 7670M) — the Radeon HD 7670M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Mobility Radeon HD 3870 X2 | Radeon HD 7670M |
|---|---|---|
| VRAM Capacity | 0.002 GB | 1 GB+49900% |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 64-bit | System |
| L2 Cache | 256 KB | 512 KB+100% |
Power & Dimensions
The Mobility Radeon HD 3870 X2 draws 110W versus the Radeon HD 7670M's 100W — a 9.5% difference. The Radeon HD 7670M is more power-efficient. Recommended PSU: 350W (Mobility Radeon HD 3870 X2) vs 350W (Radeon HD 7670M). Power connectors: PCIe-powered vs 1x 6-pin.
| Feature | Mobility Radeon HD 3870 X2 | Radeon HD 7670M |
|---|---|---|
| TDP | 110W | 100W-9% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | 1x 6-pin |
| Length | 1mm | — |
| Slots | 0 | — |
| Perf/Watt | 4.3 | 4.8+12% |
Value Analysis
The Radeon HD 7670M is the newer GPU (2012 vs 2008).
| Feature | Mobility Radeon HD 3870 X2 | Radeon HD 7670M |
|---|---|---|
| MSRP | $449 | — |
| Avg Price (30d) | $50 | — |
| Codename | M88 | Wimbledon |
| Release | September 1 2008 | April 24 2012 |
| Ranking | #919 | #531 |
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