
Mobility Radeon HD 5870 vs GeForce 840M

Mobility Radeon HD 5870
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GeForce 840M
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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 840M is on rank 352, so the GeForce 840M 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 840M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce 840M is the superior choice for raw performance. It leads with a 1.1% 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 5870.
| Insight | Mobility Radeon HD 5870 | GeForce 840M |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.1%) | ✅Leading raw performance (+1.1%) |
| Longevity | 🛑Obsolete Architecture (2010 / TeraScale 2 (2009−2015)) | 🛑Obsolete Architecture (2014 / Maxwell (2014−2017)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
While current pricing data is unavailable, the GeForce 840M 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 5870 and GeForce 840M

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 840M
The GeForce 840M is manufactured by NVIDIA. It was released in March 12 2014. It features the Maxwell architecture. The core clock ranges from 1029 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,100 points.
Graphics Performance
The Mobility Radeon HD 5870 scores 1,088 and the GeForce 840M reaches 1,100 in the G3D Mark benchmark — just a 1.1% difference, making them near-identical in rasterization performance. The Mobility Radeon HD 5870 is built on TeraScale 2 while the GeForce 840M uses Maxwell, both on 40 nm vs 28 nm. Shader units: 800 (Mobility Radeon HD 5870) vs 384 (GeForce 840M). Raw compute: 1.12 TFLOPS (Mobility Radeon HD 5870) vs 0.8632 TFLOPS (GeForce 840M).
| Feature | Mobility Radeon HD 5870 | GeForce 840M |
|---|---|---|
| G3D Mark Score | 1,088 | 1,100+1% |
| Architecture | TeraScale 2 | Maxwell |
| Process Node | 40 nm | 28 nm |
| Shading Units | 800+108% | 384 |
| Compute (TFLOPS) | 1.12 TFLOPS+30% | 0.8632 TFLOPS |
| ROPs | 16+100% | 8 |
| TMUs | 40+150% | 16 |
| L1 Cache | 80 KB | 192 KB+140% |
| L2 Cache | 0.25 MB | 1 MB+300% |
Advanced Features (DLSS/FSR)
| Feature | Mobility Radeon HD 5870 | GeForce 840M |
|---|---|---|
| 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 840M has 2 GB. The GeForce 840M 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 840M) — the GeForce 840M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Mobility Radeon HD 5870 | GeForce 840M |
|---|---|---|
| VRAM Capacity | 1 GB | 2 GB+100% |
| 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 11.0 (GeForce 840M). Vulkan: N/A vs 1.2. OpenGL: 4.4 vs 4.5. Maximum simultaneous displays: 0 vs 1.
| Feature | Mobility Radeon HD 5870 | GeForce 840M |
|---|---|---|
| DirectX | 11 (5.0) | 11.0 |
| Vulkan | N/A | 1.2 |
| OpenGL | 4.4 | 4.5+2% |
| Max Displays | 0 | 1 |
Media & Encoding
Hardware encoder: None (Mobility Radeon HD 5870) vs NVENC 2.0 (GeForce 840M). Decoder: UVD 2.2 vs PureVideo HD VP6. Supported codecs: H.264,VC-1,MPEG-2 (Mobility Radeon HD 5870) vs MPEG-2,H.264,VC-1,MPEG-4 ASP,H.265 (GeForce 840M).
| Feature | Mobility Radeon HD 5870 | GeForce 840M |
|---|---|---|
| Encoder | None | NVENC 2.0 |
| Decoder | UVD 2.2 | PureVideo HD VP6 |
| Codecs | H.264,VC-1,MPEG-2 | MPEG-2,H.264,VC-1,MPEG-4 ASP,H.265 |
Power & Dimensions
The Mobility Radeon HD 5870 draws 50W versus the GeForce 840M's 33W — a 41% difference. The GeForce 840M is more power-efficient. Recommended PSU: 350W (Mobility Radeon HD 5870) vs 350W (GeForce 840M). Power connectors: PCIe-powered vs Legacy. Card length: 0mm vs 0mm, occupying 0 vs 0 slots. Typical load temperature: 85 vs 75°C.
| Feature | Mobility Radeon HD 5870 | GeForce 840M |
|---|---|---|
| TDP | 50W | 33W-34% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | Legacy |
| Length | 0mm | 0mm |
| Height | 0mm | 0mm |
| Slots | 0 | 0 |
| Temp (Load) | 85 | 75°C-12% |
| Perf/Watt | 21.8 | 33.3+53% |
Value Analysis
The GeForce 840M is the newer GPU (2014 vs 2010).
| Feature | Mobility Radeon HD 5870 | GeForce 840M |
|---|---|---|
| MSRP | $399 | — |
| Avg Price (30d) | $50 | — |
| Codename | Broadway | GM108 |
| Release | January 7 2010 | March 12 2014 |
| Ranking | #846 | #854 |
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