Mobility Radeon HD 3870
Radeon HD 7650A
Mobility Radeon HD 3870 vs Radeon HD 7650A 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 vs Radeon HD 7650A 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 vs Radeon HD 7650A: 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
2010Why buy it
- ✅Competitive enough if your priority is price, power, or specific feature preference.
Trade-offs
- ❌2010 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌29% HIGHER MSRP$129 MSRPvs$100 MSRP
- ❌Lower G3D Mark per dollar, at 4.2 vs 5.6 G3D/$ ($129 MSRP vs $100 MSRP).
Radeon HD 7650A
2012Why buy it
- ✅Costs $29 less on MSRP ($100 MSRP vs $129 MSRP).
- ✅Delivers 30.9% more G3D Mark for each dollar spent, at 5.6 vs 4.2 G3D/$ ($100 MSRP vs $129 MSRP).
- ✅More future proof: TeraScale 2 (2009−2015) on 40nm with a newer platform for upcoming games.
Trade-offs
- ❌2012 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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Mobility Radeon HD 3870 vs Radeon HD 7650A Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Mobility Radeon HD 3870
The Mobility Radeon HD 3870 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: 548 points.
Radeon HD 7650A
The Radeon HD 7650A is manufactured by AMD. It was released in January 5 2012. It features the TeraScale 2 architecture. The core clock speed is 600 MHz. It has 480 shading units. The thermal design power (TDP) is 45W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 556 points.
Graphics Performance
The Mobility Radeon HD 3870 scores 548 and the Radeon HD 7650A reaches 556 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The Mobility Radeon HD 3870 is built on TeraScale 2 while the Radeon HD 7650A uses TeraScale 2, both on a 40 nm process. Shader units: 800 (Mobility Radeon HD 3870) vs 480 (Radeon HD 7650A). Raw compute: 1.12 TFLOPS (Mobility Radeon HD 3870) vs 0.576 TFLOPS (Radeon HD 7650A).
| Feature | Mobility Radeon HD 3870 | Radeon HD 7650A |
|---|---|---|
| G3D Mark Score | 548 | 556+1% |
| Architecture | TeraScale 2 | TeraScale 2 |
| Process Node | 40 nm | 40 nm |
| Shading Units | 800+67% | 480 |
| Compute (TFLOPS) | 1.12 TFLOPS+94% | 0.576 TFLOPS |
| ROPs | 16+100% | 8 |
| TMUs | 40+67% | 24 |
| L1 Cache | 80 KB+67% | 48 KB |
| L2 Cache | 256 KB | 256 KB |
| Frame Generation | FSR upscaling | FSR upscaling |
Advanced Features (DLSS/FSR)
| Feature | Mobility Radeon HD 3870 | Radeon HD 7650A |
|---|---|---|
| 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)
Both cards ship with 512 MB of GDDR5. Memory bus width is 128-bit on the Mobility Radeon HD 3870 and 128-bit on the Radeon HD 7650A.
| Feature | Mobility Radeon HD 3870 | Radeon HD 7650A |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 256 KB | 256 KB |
Power & Dimensions
The Mobility Radeon HD 3870 draws 50W versus the Radeon HD 7650A's 45W — a 10.5% difference. The Radeon HD 7650A is more power-efficient. Recommended PSU: 350W (Mobility Radeon HD 3870) vs 350W (Radeon HD 7650A). Power connectors: PCIe-powered vs 1x 6-pin.
| Feature | Mobility Radeon HD 3870 | Radeon HD 7650A |
|---|---|---|
| TDP | 50W | 45W-10% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | 1x 6-pin |
| Length | 1mm | — |
| Slots | 0 | — |
| Perf/Watt | 11.0 | 12.4+13% |
Value Analysis
At launch, the Mobility Radeon HD 3870 came in at $129, while the Radeon HD 7650A launched at $100. On MSRP, Radeon HD 7650A was 22.5% cheaper ($29 less). Performance per dollar on MSRP (G3D Mark / MSRP): 4.2 (Mobility Radeon HD 3870) vs 5.6 (Radeon HD 7650A) — the Radeon HD 7650A offers 33.3% better value. The newer card here is Radeon HD 7650A (2012 vs 2010).
| Feature | Mobility Radeon HD 3870 | Radeon HD 7650A |
|---|---|---|
| MSRP | $129 | $100-22% |
| Performance per Dollar | 4.2 | 5.6+33% |
| Codename | Broadway | Turks |
| Release | January 7 2010 | January 5 2012 |
| Ranking | #846 | #870 |
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