
Mobility Radeon HD 5870 vs GeForce 920MX

Mobility Radeon HD 5870
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GeForce 920MX
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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 5870 is positioned at rank 603 and the GeForce 920MX is on rank 360, so the GeForce 920MX 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 5870
Performance Per Dollar GeForce 920MX
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The GeForce 920MX is significantly newer (2016 vs 2010). The GeForce 920MX likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Mobility Radeon HD 5870 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Mobility Radeon HD 5870 is the superior choice for raw performance. It leads with a 2.3% 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 920MX.
| Insight | Mobility Radeon HD 5870 | GeForce 920MX |
|---|---|---|
| Performance | ✅Leading raw performance (+2.3%) | ❌Lower raw frame rates (-2.3%) |
| Longevity | 🛑Obsolete Architecture (2010 / TeraScale 2 (2009−2015)) | 🛑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
The Mobility Radeon HD 5870 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Mobility Radeon HD 5870 holds the technical lead. Priced at $50 (vs $54), it costs 7% less, resulting in a 10.4% higher cost efficiency score.
| Insight | Mobility Radeon HD 5870 | GeForce 920MX |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+10.4%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($50) | ⚠️Higher upfront cost ($54) |
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 5870 and GeForce 920MX

Mobility Radeon HD 5870
The Mobility Radeon HD 5870 is manufactured by AMD. It was released in January 7 2010. It features the TeraScale 2 architecture. The core clock speed is 700 MHz. It has 800 shading units. The thermal design power (TDP) is 50W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 1,088 points.

GeForce 920MX
The GeForce 920MX 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: 1,064 points.
Graphics Performance
The Mobility Radeon HD 5870 scores 1,088 and the GeForce 920MX reaches 1,064 in the G3D Mark benchmark — just a 2.3% difference, making them near-identical in rasterization performance. The Mobility Radeon HD 5870 is built on TeraScale 2 while the GeForce 920MX uses Maxwell, both on 40 nm vs 28 nm. Shader units: 800 (Mobility Radeon HD 5870) vs 256 (GeForce 920MX). Raw compute: 1.12 TFLOPS (Mobility Radeon HD 5870) vs 0.5084 TFLOPS (GeForce 920MX).
| Feature | Mobility Radeon HD 5870 | GeForce 920MX |
|---|---|---|
| G3D Mark Score | 1,088+2% | 1,064 |
| Architecture | TeraScale 2 | Maxwell |
| Process Node | 40 nm | 28 nm |
| Shading Units | 800+213% | 256 |
| Compute (TFLOPS) | 1.12 TFLOPS+120% | 0.5084 TFLOPS |
| ROPs | 16+100% | 8 |
| TMUs | 40+67% | 24 |
| L1 Cache | 80 KB | 128 KB+60% |
| L2 Cache | 0.25 MB | 1 MB+300% |
Advanced Features (DLSS/FSR)
| Feature | Mobility Radeon HD 5870 | GeForce 920MX |
|---|---|---|
| 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 5870 comes with 1 GB of VRAM, while the GeForce 920MX has 512 MB. The Mobility Radeon HD 5870 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 0.25 MB (Mobility Radeon HD 5870) vs 1 MB (GeForce 920MX) — the GeForce 920MX has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Mobility Radeon HD 5870 | GeForce 920MX |
|---|---|---|
| VRAM Capacity | 1 GB+100% | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 0.25 MB | 1 MB+300% |
Display & API Support
DirectX support: 11 (5.0) (Mobility Radeon HD 5870) vs 12 (11_0) (GeForce 920MX). Vulkan: N/A vs 1.1. OpenGL: 4.4 vs 4.6. Maximum simultaneous displays: 0 vs 0.
| Feature | Mobility Radeon HD 5870 | GeForce 920MX |
|---|---|---|
| DirectX | 11 (5.0) | 12 (11_0)+9% |
| Vulkan | N/A | 1.1 |
| OpenGL | 4.4 | 4.6+5% |
| Max Displays | 0 | 0 |
Media & Encoding
Hardware encoder: None (Mobility Radeon HD 5870) vs None (GeForce 920MX). Decoder: UVD 2.2 vs PureVideo HD VP6. Supported codecs: H.264,VC-1,MPEG-2 (Mobility Radeon HD 5870) vs H.264,VC-1,MPEG-2 (GeForce 920MX).
| Feature | Mobility Radeon HD 5870 | GeForce 920MX |
|---|---|---|
| Encoder | None | None |
| Decoder | UVD 2.2 | PureVideo HD VP6 |
| Codecs | H.264,VC-1,MPEG-2 | H.264,VC-1,MPEG-2 |
Power & Dimensions
The Mobility Radeon HD 5870 draws 50W versus the GeForce 920MX's 16W — a 103% difference. The GeForce 920MX is more power-efficient. Recommended PSU: 350W (Mobility Radeon HD 5870) vs 350W (GeForce 920MX). Power connectors: PCIe-powered vs PCIe-powered.
| Feature | Mobility Radeon HD 5870 | GeForce 920MX |
|---|---|---|
| TDP | 50W | 16W-68% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | PCIe-powered |
| Length | 0mm | — |
| Height | 0mm | — |
| Slots | 0 | — |
| Temp (Load) | 85 | — |
| Perf/Watt | 21.8 | 66.5+205% |
Value Analysis
The Mobility Radeon HD 5870 launched at $399 MSRP and currently averages $50, while the GeForce 920MX launched at $100 and now averages $54. The Mobility Radeon HD 5870 costs 7.4% less ($4 savings) at current market prices. Performance per dollar (G3D Mark / price): 21.8 (Mobility Radeon HD 5870) vs 19.7 (GeForce 920MX) — the Mobility Radeon HD 5870 offers 10.7% better value. The GeForce 920MX is the newer GPU (2016 vs 2010).
| Feature | Mobility Radeon HD 5870 | GeForce 920MX |
|---|---|---|
| MSRP | $399 | $100-75% |
| Avg Price (30d) | $50-7% | $54 |
| Performance per Dollar | 21.8+11% | 19.7 |
| Codename | Broadway | GM108 |
| Release | January 7 2010 | March 25 2016 |
| Ranking | #846 | #864 |
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