CPU
GPU
Radeon HD 6670
Popular choices:
Mobility Radeon HD 4870
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 6670 is positioned at rank 172 and the Mobility Radeon HD 4870 is on rank 621, so the Radeon HD 6670 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 6670
Performance Per Dollar Mobility Radeon HD 4870
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 6670 is the superior choice for raw performance. It leads with a 0.7% higher G3D Mark score and 100% more VRAM (2 GB vs 1 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Mobility Radeon HD 4870.
| Insight | Radeon HD 6670 | Mobility Radeon HD 4870 |
|---|---|---|
| Performance | ✅Leading raw performance (+0.7%) | ❌Lower raw frame rates (-0.7%) |
| Longevity | 🛑Obsolete Architecture (2010 / TeraScale 3 (2010−2013)) | 🛑Obsolete Architecture (2009 / TeraScale (2005−2013)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
The Mobility Radeon HD 4870 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Mobility Radeon HD 4870 holds the technical lead. Priced at $20 (vs $99), it costs 80% less, resulting in a 391.6% higher cost efficiency score.
| Insight | Radeon HD 6670 | Mobility Radeon HD 4870 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+391.6%) |
| Upfront Cost | ⚠️Higher upfront cost ($99) | ✅More affordable ($20) |
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 6670 and Mobility Radeon HD 4870
Radeon HD 6670
The Radeon HD 6670 is manufactured by AMD. It was released in December 14 2010. It features the TeraScale 3 architecture. The boost clock speed is 880 MHz. It has 1536 shading units. The thermal design power (TDP) is 250W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 725 points. Launch price was $369.
Mobility Radeon HD 4870
The Mobility Radeon HD 4870 is manufactured by AMD. It was released in January 9 2009. It features the TeraScale architecture. The core clock speed is 550 MHz. It has 800 shading units. The thermal design power (TDP) is 30W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 720 points.
Graphics Performance
The Radeon HD 6670 scores 725 and the Mobility Radeon HD 4870 reaches 720 in the G3D Mark benchmark — just a 0.7% difference, making them near-identical in rasterization performance. The Radeon HD 6670 is built on TeraScale 3 while the Mobility Radeon HD 4870 uses TeraScale, both on 40 nm vs 55 nm. Shader units: 1,536 (Radeon HD 6670) vs 800 (Mobility Radeon HD 4870). Raw compute: 2.703 TFLOPS (Radeon HD 6670) vs 0.88 TFLOPS (Mobility Radeon HD 4870).
| Feature | Radeon HD 6670 | Mobility Radeon HD 4870 |
|---|---|---|
| G3D Mark Score | 725 | 720 |
| Architecture | TeraScale 3 | TeraScale |
| Process Node | 40 nm | 55 nm |
| Shading Units | 1536+92% | 800 |
| Compute (TFLOPS) | 2.703 TFLOPS+207% | 0.88 TFLOPS |
| ROPs | 32+100% | 16 |
| TMUs | 96+140% | 40 |
| L1 Cache | 192 KB+20% | 160 KB |
| L2 Cache | 512 KB+100% | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6670 | Mobility Radeon HD 4870 |
|---|---|---|
| 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 6670 comes with 2 GB of VRAM, while the Mobility Radeon HD 4870 has 1 GB. The Radeon HD 6670 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 512 KB (Radeon HD 6670) vs 256 KB (Mobility Radeon HD 4870) — the Radeon HD 6670 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 6670 | Mobility Radeon HD 4870 |
|---|---|---|
| VRAM Capacity | 2 GB+100% | 1 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 512 KB+100% | 256 KB |
Display & API Support
DirectX support: 11.2 (11_0) (Radeon HD 6670) vs 10.1 (Mobility Radeon HD 4870). OpenGL: 4.4 vs 3.3. Maximum simultaneous displays: 3 vs 2.
| Feature | Radeon HD 6670 | Mobility Radeon HD 4870 |
|---|---|---|
| DirectX | 11.2 (11_0)+11% | 10.1 |
| OpenGL | 4.4+33% | 3.3 |
| Max Displays | 3+50% | 2 |
Media & Encoding
Decoder: UVD 3.0 vs UVD 2.0. Supported codecs: H.264,VC-1,MPEG-2,MPEG-4 (Radeon HD 6670) vs H.264,VC-1,MPEG-2 (Mobility Radeon HD 4870).
| Feature | Radeon HD 6670 | Mobility Radeon HD 4870 |
|---|---|---|
| Encoder | None | — |
| Decoder | UVD 3.0 | UVD 2.0 |
| Codecs | H.264,VC-1,MPEG-2,MPEG-4 | H.264,VC-1,MPEG-2 |
Power & Dimensions
The Radeon HD 6670 draws 250W versus the Mobility Radeon HD 4870's 30W — a 157.1% difference. The Mobility Radeon HD 4870 is more power-efficient. Recommended PSU: 250W (Radeon HD 6670) vs 350W (Mobility Radeon HD 4870). Power connectors: None vs PCIe-powered.
| Feature | Radeon HD 6670 | Mobility Radeon HD 4870 |
|---|---|---|
| TDP | 250W | 30W-88% |
| Recommended PSU | 250W-29% | 350W |
| Power Connector | None | PCIe-powered |
| Length | 168mm | — |
| Height | 111mm | — |
| Slots | 1 | 0-100% |
| Temp (Load) | 75 | — |
| Perf/Watt | 2.9 | 24.0+728% |
Value Analysis
The Radeon HD 6670 launched at $99 MSRP and currently averages $99, while the Mobility Radeon HD 4870 launched at $299 and now averages $20. The Mobility Radeon HD 4870 costs 79.8% less ($79 savings) at current market prices. Performance per dollar (G3D Mark / price): 7.3 (Radeon HD 6670) vs 36.0 (Mobility Radeon HD 4870) — the Mobility Radeon HD 4870 offers 393.2% better value. The Radeon HD 6670 is the newer GPU (2010 vs 2009).
| Feature | Radeon HD 6670 | Mobility Radeon HD 4870 |
|---|---|---|
| MSRP | $99-67% | $299 |
| Avg Price (30d) | $99 | $20-80% |
| Performance per Dollar | 7.3 | 36.0+393% |
| Codename | Cayman | M98 |
| Release | December 14 2010 | January 9 2009 |
| Ranking | #596 | #927 |
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