Mobility Radeon HD 3870 X2
Quadro K500M
Mobility Radeon HD 3870 X2 vs Quadro K500M Performance Spectrum
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.
Mobility Radeon HD 3870 X2 vs Quadro K500M FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.
Search any supported game below to compare 1080p FPS for both components.
Path of Exile 2
Counter-Strike 2
League of Legends
Mobility Radeon HD 3870 X2 vs Quadro K500M: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
Mobility Radeon HD 3870 X2
2008Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 1.1 vs 0 G3D/$ ($449 MSRP vs Unknown MSRP).
Trade-offs
- ❌Less VRAM, with 2 MB vs 4 GB for high-resolution textures and newer games.
- ❌2008 hardware with 2 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
Quadro K500M
2013Why buy it
- ✅199900% more VRAM for high-resolution textures and newer games (4 GB vs 2 MB).
- ✅Mobility Radeon HD 3870 X2 is already obsolete for modern gaming, so Quadro K500M is the less risky modern option long term.
- ✅More future proof: Kepler (2012−2018) on 28nm with a newer platform for upcoming games.
Trade-offs
- ❌2013 hardware with 4 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌Lower G3D Mark per dollar, at 0 vs 1.1 G3D/$ (Unknown MSRP vs $449 MSRP).
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Mobility Radeon HD 3870 X2 vs Quadro K500M Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Mobility Radeon HD 3870 X2
The Mobility Radeon HD 3870 X2 is manufactured by AMD. It was released in September 1 2008. It features the TeraScale architecture. The core clock speed is 660 MHz. It has 320 ×2 shading units. The thermal design power (TDP) is 110W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 478 points.
Quadro K500M
The Quadro K500M is manufactured by NVIDIA. It was released in July 23 2013. It features the Kepler architecture. The core clock speed is 771 MHz. It has 1536 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 480 points.
Graphics Performance
The Mobility Radeon HD 3870 X2 scores 478 and the Quadro K500M reaches 480 in the G3D Mark benchmark — just a 0.4% difference, making them near-identical in rasterization performance. The Mobility Radeon HD 3870 X2 is built on TeraScale while the Quadro K500M uses Kepler, both on 55 nm vs 28 nm. Shader units: 320 (Mobility Radeon HD 3870 X2) vs 1,536 (Quadro K500M). Raw compute: 0.4224 TFLOPS ×2 (Mobility Radeon HD 3870 X2) vs 2.369 TFLOPS (Quadro K500M).
| Feature | Mobility Radeon HD 3870 X2 | Quadro K500M |
|---|---|---|
| G3D Mark Score | 478 | 480 |
| Architecture | TeraScale | Kepler |
| Process Node | 55 nm | 28 nm |
| Shading Units | 320 ×2 | 1536+380% |
| Compute (TFLOPS) | 0.4224 TFLOPS ×2 | 2.369 TFLOPS+461% |
| ROPs | 16 ×2 | 32+100% |
| TMUs | 16 ×2 | 128+700% |
| L2 Cache | 256 KB | 512 KB+100% |
Advanced Features (DLSS/FSR)
| Feature | Mobility Radeon HD 3870 X2 | Quadro K500M |
|---|---|---|
| Upscaling Tech | FSR Upscaling / FSR 4 | Upscaling support |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | Standard |
Video Memory (VRAM)
The Mobility Radeon HD 3870 X2 has 2 MB of VRAM, while the Quadro K500M carries 4 GB. Quadro K500M gives you 199900% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 64-bit on the Mobility Radeon HD 3870 X2 and 64-bit on the Quadro K500M. L2 Cache: 256 KB (Mobility Radeon HD 3870 X2) vs 512 KB (Quadro K500M) — the Quadro K500M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Mobility Radeon HD 3870 X2 | Quadro K500M |
|---|---|---|
| VRAM Capacity | 0.002 GB | 4 GB+199900% |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 64-bit |
| L2 Cache | 256 KB | 512 KB+100% |
Power & Dimensions
The Mobility Radeon HD 3870 X2 draws 110W versus the Quadro K500M's 100W — a 9.5% difference. The Quadro K500M is more power-efficient. Recommended PSU: 350W (Mobility Radeon HD 3870 X2) vs 350W (Quadro K500M). Power connectors: PCIe-powered vs PCIe-powered.
| Feature | Mobility Radeon HD 3870 X2 | Quadro K500M |
|---|---|---|
| TDP | 110W | 100W-9% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | PCIe-powered |
| Length | 1mm | — |
| Slots | 0 | — |
| Perf/Watt | 4.3 | 4.8+12% |
Value Analysis
The newer card here is Quadro K500M (2013 vs 2008).
| Feature | Mobility Radeon HD 3870 X2 | Quadro K500M |
|---|---|---|
| MSRP | $449 | — |
| Codename | M88 | GK104 |
| Release | September 1 2008 | July 23 2013 |
| Ranking | #919 | #562 |
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