Mobility Radeon HD 4870 vs GeForce GTX 285M SLI
Mobility Radeon HD 4870
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GeForce GTX 285M SLI
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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 4870 is positioned at rank 621 and the GeForce GTX 285M SLI is on rank 409, so the GeForce GTX 285M SLI 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 4870
Performance Per Dollar GeForce GTX 285M SLI
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce GTX 285M SLI is the superior choice for raw performance. It leads with a 1.9% higher G3D Mark score. However, the Mobility Radeon HD 4870 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Mobility Radeon HD 4870 | GeForce GTX 285M SLI |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.9%) | ✅Leading raw performance (+1.9%) |
| Longevity | 🛑Obsolete Architecture (2009 / TeraScale (2005−2013)) | 🛑Obsolete Architecture (2009 / G9x (2007−2010)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | — |
💎 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 $40), it costs 50% less, resulting in a 96.2% higher cost efficiency score.
| Insight | Mobility Radeon HD 4870 | GeForce GTX 285M SLI |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+96.2%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($20) | ⚠️Higher upfront cost ($40) |
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 4870 and GeForce GTX 285M SLI
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.
GeForce GTX 285M SLI
The GeForce GTX 285M SLI is manufactured by NVIDIA. It was released in March 2 2009. It features the G9x architecture. The core clock speed is 576 MHz. It has 256 shading units. The thermal design power (TDP) is 150W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 734 points.
Graphics Performance
The Mobility Radeon HD 4870 scores 720 and the GeForce GTX 285M SLI reaches 734 in the G3D Mark benchmark — just a 1.9% difference, making them near-identical in rasterization performance. The Mobility Radeon HD 4870 is built on TeraScale while the GeForce GTX 285M SLI uses G9x, both on a 55 nm process. Shader units: 800 (Mobility Radeon HD 4870) vs 256 (GeForce GTX 285M SLI).
| Feature | Mobility Radeon HD 4870 | GeForce GTX 285M SLI |
|---|---|---|
| G3D Mark Score | 720 | 734+2% |
| Architecture | TeraScale | G9x |
| Process Node | 55 nm | 55 nm |
| Shading Units | 800+213% | 256 |
Advanced Features (DLSS/FSR)
| Feature | Mobility Radeon HD 4870 | GeForce GTX 285M SLI |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 2.1 (Compatible) |
| Frame Generation | Not Supported | FSR 3 (Compatible) |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | Standard |
Video Memory (VRAM)
The Mobility Radeon HD 4870 comes with 1 GB of VRAM, while the GeForce GTX 285M SLI has 512 MB. The Mobility Radeon HD 4870 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 64-bit.
| Feature | Mobility Radeon HD 4870 | GeForce GTX 285M SLI |
|---|---|---|
| VRAM Capacity | 1 GB+100% | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 64-bit | 64-bit |
Display & API Support
DirectX support: 10.1 (Mobility Radeon HD 4870) vs 11.1 (10_0) (GeForce GTX 285M SLI). OpenGL: 3.3 vs 3.3. Maximum simultaneous displays: 2 vs 2.
| Feature | Mobility Radeon HD 4870 | GeForce GTX 285M SLI |
|---|---|---|
| DirectX | 10.1 | 11.1 (10_0)+10% |
| OpenGL | 3.3 | 3.3 |
| Max Displays | 2 | 2 |
Media & Encoding
Decoder: UVD 2.0 vs PureVideo HD VP2. Supported codecs: H.264,VC-1,MPEG-2 (Mobility Radeon HD 4870) vs H.264,VC-1,MPEG-2 (GeForce GTX 285M SLI).
| Feature | Mobility Radeon HD 4870 | GeForce GTX 285M SLI |
|---|---|---|
| Encoder | — | PureVideo HD VP2 |
| Decoder | UVD 2.0 | PureVideo HD VP2 |
| Codecs | H.264,VC-1,MPEG-2 | H.264,VC-1,MPEG-2 |
Power & Dimensions
The Mobility Radeon HD 4870 draws 30W versus the GeForce GTX 285M SLI's 150W — a 133.3% difference. The Mobility Radeon HD 4870 is more power-efficient. Recommended PSU: 350W (Mobility Radeon HD 4870) vs 350W (GeForce GTX 285M SLI). Power connectors: PCIe-powered vs PCIe-powered.
| Feature | Mobility Radeon HD 4870 | GeForce GTX 285M SLI |
|---|---|---|
| TDP | 30W-80% | 150W |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | PCIe-powered |
| Slots | 0 | 0 |
| Temp (Load) | — | 95°C |
| Perf/Watt | 24.0+390% | 4.9 |
Value Analysis
The Mobility Radeon HD 4870 costs 50% less ($20 savings) at current market prices. Performance per dollar (G3D Mark / price): 36.0 (Mobility Radeon HD 4870) vs 18.4 (GeForce GTX 285M SLI) — the Mobility Radeon HD 4870 offers 95.7% better value.
| Feature | Mobility Radeon HD 4870 | GeForce GTX 285M SLI |
|---|---|---|
| MSRP | $299 | — |
| Avg Price (30d) | $20-50% | $40 |
| Performance per Dollar | 36.0+96% | 18.4 |
| Codename | M98 | N10E-GTX |
| Release | January 9 2009 | March 2 2009 |
| Ranking | #927 | #753 |
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