CPU
GPU
GeForce 920M
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 GeForce 920M is positioned at rank 355 and the Mobility Radeon HD 4870 is on rank 621, 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 GeForce 920M
Performance Per Dollar Mobility Radeon HD 4870
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 | GeForce 920M | Mobility Radeon HD 4870 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.4%) | ✅Leading raw performance (+0.4%) |
| Longevity | 🛑Obsolete Architecture (2016 / Maxwell (2014−2017)) | 🛑Obsolete Architecture (2009 / TeraScale (2005−2013)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| 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 GeForce 920M and Mobility Radeon HD 4870
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.
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 GeForce 920M scores 717 and the Mobility Radeon HD 4870 reaches 720 in the G3D Mark benchmark — just a 0.4% difference, making them near-identical in rasterization performance. The GeForce 920M is built on Maxwell while the Mobility Radeon HD 4870 uses TeraScale, both on 28 nm vs 55 nm. Shader units: 256 (GeForce 920M) vs 800 (Mobility Radeon HD 4870). Raw compute: 0.5084 TFLOPS (GeForce 920M) vs 0.88 TFLOPS (Mobility Radeon HD 4870).
| Feature | GeForce 920M | Mobility Radeon HD 4870 |
|---|---|---|
| G3D Mark Score | 717 | 720 |
| Architecture | Maxwell | TeraScale |
| Process Node | 28 nm | 55 nm |
| Shading Units | 256 | 800+213% |
| Compute (TFLOPS) | 0.5084 TFLOPS | 0.88 TFLOPS+73% |
| ROPs | 8 | 16+100% |
| TMUs | 24 | 40+67% |
| L1 Cache | 128 KB | 160 KB+25% |
| L2 Cache | 1 MB+300% | 0.25 MB |
Advanced Features (DLSS/FSR)
| Feature | GeForce 920M | 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 | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce 920M comes with 512 MB of VRAM, while the Mobility Radeon HD 4870 has 1 GB. The Mobility Radeon HD 4870 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 1 MB (GeForce 920M) vs 0.25 MB (Mobility Radeon HD 4870) — the GeForce 920M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce 920M | Mobility Radeon HD 4870 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 1 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 1 MB+300% | 0.25 MB |
Display & API Support
DirectX support: 11.0 (GeForce 920M) vs 10.1 (Mobility Radeon HD 4870). OpenGL: 4.5 vs 3.3. Maximum simultaneous displays: 1 vs 2.
| Feature | GeForce 920M | Mobility Radeon HD 4870 |
|---|---|---|
| DirectX | 11.0+9% | 10.1 |
| OpenGL | 4.5+36% | 3.3 |
| Max Displays | 1 | 2+100% |
Media & Encoding
Decoder: PureVideo HD VP5 vs UVD 2.0. Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce 920M) vs H.264,VC-1,MPEG-2 (Mobility Radeon HD 4870).
| Feature | GeForce 920M | Mobility Radeon HD 4870 |
|---|---|---|
| Encoder | No | — |
| Decoder | PureVideo HD VP5 | UVD 2.0 |
| Codecs | MPEG-2,H.264,VC-1,MPEG-4 ASP | H.264,VC-1,MPEG-2 |
Power & Dimensions
The GeForce 920M draws 16W versus the Mobility Radeon HD 4870's 30W — a 60.9% difference. The GeForce 920M is more power-efficient. Recommended PSU: 350W (GeForce 920M) vs 350W (Mobility Radeon HD 4870). Power connectors: Legacy vs PCIe-powered.
| Feature | GeForce 920M | Mobility Radeon HD 4870 |
|---|---|---|
| TDP | 16W-47% | 30W |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | PCIe-powered |
| Length | 0mm | — |
| Height | 0mm | — |
| Slots | 0 | 0 |
| Temp (Load) | 70°C | — |
| Perf/Watt | 44.8+87% | 24.0 |
Value Analysis
The GeForce 920M is the newer GPU (2016 vs 2009).
| Feature | GeForce 920M | Mobility Radeon HD 4870 |
|---|---|---|
| MSRP | — | $299 |
| Avg Price (30d) | — | $20 |
| Codename | GM108 | M98 |
| Release | March 25 2016 | January 9 2009 |
| Ranking | #864 | #927 |
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