Radeon HD 3870
Radeon HD 7520G + HD 7400M Dual
Radeon HD 3870 vs Radeon HD 7520G + HD 7400M Dual 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.
Radeon HD 3870 vs Radeon HD 7520G + HD 7400M Dual 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
Radeon HD 3870 vs Radeon HD 7520G + HD 7400M Dual: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
Radeon HD 3870
2012Why buy it
- ✅100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).
Trade-offs
- ❌2012 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌46% HIGHER MSRP$219 MSRPvs$150 MSRP
- ❌Lower G3D Mark per dollar, at 2.5 vs 3.6 G3D/$ ($219 MSRP vs $150 MSRP).
- ❌300% higher power demand at 200W vs 50W.
Radeon HD 7520G + HD 7400M Dual
2013Why buy it
- ✅Costs $69 less on MSRP ($150 MSRP vs $219 MSRP).
- ✅Delivers 44.1% more G3D Mark for each dollar spent, at 3.6 vs 2.5 G3D/$ ($150 MSRP vs $219 MSRP).
- ✅Draws 50W instead of 200W, a 150W reduction.
Trade-offs
- ❌Less VRAM, with 512 MB vs 1 GB for high-resolution textures and newer games.
- ❌2013 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
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Radeon HD 3870 vs Radeon HD 7520G + HD 7400M Dual Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Radeon HD 3870
The Radeon HD 3870 is manufactured by AMD. It was released in March 5 2012. It features the GCN 1.0 architecture. The core clock speed is 1000 MHz. It has 1280 shading units. The thermal design power (TDP) is 200W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 552 points. Launch price was $349.
Radeon HD 7520G + HD 7400M Dual
The Radeon HD 7520G + HD 7400M Dual is manufactured by AMD. It was released in August 1 2013. The core clock speed is 720 / 825 MHz. It has 640 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 545 points.
Graphics Performance
The Radeon HD 3870 scores 552 and the Radeon HD 7520G + HD 7400M Dual reaches 545 in the G3D Mark benchmark — just a 1.3% difference, making them near-identical in rasterization performance. Shader units: 1,280 (Radeon HD 3870) vs 640 (Radeon HD 7520G + HD 7400M Dual).
| Feature | Radeon HD 3870 | Radeon HD 7520G + HD 7400M Dual |
|---|---|---|
| G3D Mark Score | 552+1% | 545 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 1280+100% | 640 |
| Frame Generation | FSR upscaling | FSR upscaling |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 3870 | Radeon HD 7520G + HD 7400M Dual |
|---|---|---|
| Upscaling Tech | FSR Upscaling / FSR 4 | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
The Radeon HD 3870 has 1 GB of VRAM, while the Radeon HD 7520G + HD 7400M Dual carries 512 MB. Radeon HD 3870 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the Radeon HD 3870 and 128-bit on the Radeon HD 7520G + HD 7400M Dual.
| Feature | Radeon HD 3870 | Radeon HD 7520G + HD 7400M Dual |
|---|---|---|
| VRAM Capacity | 1 GB+100% | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
Power & Dimensions
The Radeon HD 3870 draws 200W versus the Radeon HD 7520G + HD 7400M Dual's 50W — a 120% difference. The Radeon HD 7520G + HD 7400M Dual is more power-efficient. Recommended PSU: 300W (Radeon HD 3870) vs 350W (Radeon HD 7520G + HD 7400M Dual). Power connectors: 1x 6-pin vs 1x 6-pin.
| Feature | Radeon HD 3870 | Radeon HD 7520G + HD 7400M Dual |
|---|---|---|
| TDP | 200W | 50W-75% |
| Recommended PSU | 300W-14% | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Perf/Watt | 2.8 | 10.9+289% |
Value Analysis
At launch, the Radeon HD 3870 came in at $219, while the Radeon HD 7520G + HD 7400M Dual launched at $150. On MSRP, Radeon HD 7520G + HD 7400M Dual was 31.5% cheaper ($69 less). Performance per dollar on MSRP (G3D Mark / MSRP): 2.5 (Radeon HD 3870) vs 3.6 (Radeon HD 7520G + HD 7400M Dual) — the Radeon HD 7520G + HD 7400M Dual offers 44% better value. The newer card here is Radeon HD 7520G + HD 7400M Dual (2013 vs 2012).
| Feature | Radeon HD 3870 | Radeon HD 7520G + HD 7400M Dual |
|---|---|---|
| MSRP | $219 | $150-32% |
| Performance per Dollar | 2.5 | 3.6+44% |
| Codename | Pitcairn | — |
| Release | March 5 2012 | August 1 2013 |
| Ranking | #460 | #863 |
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