Mobility Radeon HD 4870 vs GeForce 920M
Mobility Radeon HD 4870
Popular choices:
GeForce 920M
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 Mobility Radeon HD 4870 is positioned at rank 621 and the GeForce 920M is on rank 355, so the GeForce 920M 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 920M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The GeForce 920M is significantly newer (2016 vs 2009). The GeForce 920M likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Mobility Radeon HD 4870 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Mobility Radeon HD 4870 is the superior choice for raw performance. It leads with a 0.4% higher G3D Mark score and 100% more VRAM (1 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce 920M.
| Insight | Mobility Radeon HD 4870 | GeForce 920M |
|---|---|---|
| Performance | ✅Leading raw performance (+0.4%) | ❌Lower raw frame rates (-0.4%) |
| Longevity | 🛑Obsolete Architecture (2009 / TeraScale (2005−2013)) | 🛑Obsolete Architecture (2016 / Maxwell (2014−2017)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
While current pricing data is unavailable, the Mobility Radeon HD 4870 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 4870 and GeForce 920M
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 920M
The GeForce 920M is manufactured by NVIDIA. It was released in March 25 2016. It features the Maxwell architecture. The core clock ranges from 965 MHz to 993 MHz. It has 256 shading units. The thermal design power (TDP) is 16W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 717 points.
Graphics Performance
The Mobility Radeon HD 4870 scores 720 and the GeForce 920M reaches 717 in the G3D Mark benchmark — just a 0.4% difference, making them near-identical in rasterization performance. The Mobility Radeon HD 4870 is built on TeraScale while the GeForce 920M uses Maxwell, both on 55 nm vs 28 nm. Shader units: 800 (Mobility Radeon HD 4870) vs 256 (GeForce 920M). Raw compute: 0.88 TFLOPS (Mobility Radeon HD 4870) vs 0.5084 TFLOPS (GeForce 920M).
| Feature | Mobility Radeon HD 4870 | GeForce 920M |
|---|---|---|
| G3D Mark Score | 720 | 717 |
| Architecture | TeraScale | Maxwell |
| Process Node | 55 nm | 28 nm |
| Shading Units | 800+213% | 256 |
| Compute (TFLOPS) | 0.88 TFLOPS+73% | 0.5084 TFLOPS |
| ROPs | 16+100% | 8 |
| TMUs | 40+67% | 24 |
| L1 Cache | 160 KB+25% | 128 KB |
| L2 Cache | 0.25 MB | 1 MB+300% |
Advanced Features (DLSS/FSR)
| Feature | Mobility Radeon HD 4870 | GeForce 920M |
|---|---|---|
| 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 | Standard |
Video Memory (VRAM)
The Mobility Radeon HD 4870 comes with 1 GB of VRAM, while the GeForce 920M 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 128-bit. L2 Cache: 0.25 MB (Mobility Radeon HD 4870) vs 1 MB (GeForce 920M) — the GeForce 920M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Mobility Radeon HD 4870 | GeForce 920M |
|---|---|---|
| VRAM Capacity | 1 GB+100% | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 64-bit | 128-bit+100% |
| L2 Cache | 0.25 MB | 1 MB+300% |
Display & API Support
DirectX support: 10.1 (Mobility Radeon HD 4870) vs 11.0 (GeForce 920M). OpenGL: 3.3 vs 4.5. Maximum simultaneous displays: 2 vs 1.
| Feature | Mobility Radeon HD 4870 | GeForce 920M |
|---|---|---|
| DirectX | 10.1 | 11.0+9% |
| OpenGL | 3.3 | 4.5+36% |
| Max Displays | 2+100% | 1 |
Media & Encoding
Decoder: UVD 2.0 vs PureVideo HD VP5. Supported codecs: H.264,VC-1,MPEG-2 (Mobility Radeon HD 4870) vs MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce 920M).
| Feature | Mobility Radeon HD 4870 | GeForce 920M |
|---|---|---|
| Encoder | — | No |
| Decoder | UVD 2.0 | PureVideo HD VP5 |
| Codecs | H.264,VC-1,MPEG-2 | MPEG-2,H.264,VC-1,MPEG-4 ASP |
Power & Dimensions
The Mobility Radeon HD 4870 draws 30W versus the GeForce 920M's 16W — a 60.9% difference. The GeForce 920M is more power-efficient. Recommended PSU: 350W (Mobility Radeon HD 4870) vs 350W (GeForce 920M). Power connectors: PCIe-powered vs Legacy.
| Feature | Mobility Radeon HD 4870 | GeForce 920M |
|---|---|---|
| TDP | 30W | 16W-47% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | Legacy |
| Length | — | 0mm |
| Height | — | 0mm |
| Slots | 0 | 0 |
| Temp (Load) | — | 70°C |
| Perf/Watt | 24.0 | 44.8+87% |
Value Analysis
The GeForce 920M is the newer GPU (2016 vs 2009).
| Feature | Mobility Radeon HD 4870 | GeForce 920M |
|---|---|---|
| MSRP | $299 | — |
| Avg Price (30d) | $20 | — |
| Codename | M98 | GM108 |
| Release | January 9 2009 | March 25 2016 |
| Ranking | #927 | #864 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
You May Also Compare
Similar GPU comparisons based on Mobility Radeon HD 4870 and GeForce 920M
