
FirePro 3D V7750 vs Mobility Radeon HD 3870

FirePro 3D V7750
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Mobility Radeon HD 3870
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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 FirePro 3D V7750 is positioned at rank 371 and the Mobility Radeon HD 3870 is on rank 509, so the FirePro 3D V7750 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar FirePro 3D V7750
Performance Per Dollar Mobility Radeon HD 3870
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Mobility Radeon HD 3870 is the superior choice for raw performance. It leads with a 0.6% higher G3D Mark score. However, the FirePro 3D V7750 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | FirePro 3D V7750 | Mobility Radeon HD 3870 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.6%) | ✅Leading raw performance (+0.6%) |
| Longevity | 🛑Obsolete Architecture (2014 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2010 / TeraScale 2 (2009−2015)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | 📏 Compact / SFF Friendly |
💎 Value Proposition
The Mobility Radeon HD 3870 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Mobility Radeon HD 3870 holds the technical lead. Priced at $15 (vs $20), it costs 25% less, resulting in a 34.1% higher cost efficiency score.
| Insight | FirePro 3D V7750 | Mobility Radeon HD 3870 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+34.1%) |
| Upfront Cost | ⚠️Higher upfront cost ($20) | ✅More affordable ($15) |
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 FirePro 3D V7750 and Mobility Radeon HD 3870

FirePro 3D V7750
The FirePro 3D V7750 is manufactured by AMD. It was released in January 18 2014. It features the GCN 1.0 architecture. The core clock speed is 850 MHz. It has 2048 shading units. The thermal design power (TDP) is 274W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 545 points.

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.
Graphics Performance
The FirePro 3D V7750 scores 545 and the Mobility Radeon HD 3870 reaches 548 in the G3D Mark benchmark — just a 0.6% difference, making them near-identical in rasterization performance. The FirePro 3D V7750 is built on GCN 1.0 while the Mobility Radeon HD 3870 uses TeraScale 2, both on 28 nm vs 40 nm. Shader units: 2,048 (FirePro 3D V7750) vs 800 (Mobility Radeon HD 3870). Raw compute: 3.482 TFLOPS (FirePro 3D V7750) vs 1.12 TFLOPS (Mobility Radeon HD 3870).
| Feature | FirePro 3D V7750 | Mobility Radeon HD 3870 |
|---|---|---|
| G3D Mark Score | 545 | 548 |
| Architecture | GCN 1.0 | TeraScale 2 |
| Process Node | 28 nm | 40 nm |
| Shading Units | 2048+156% | 800 |
| Compute (TFLOPS) | 3.482 TFLOPS+211% | 1.12 TFLOPS |
| ROPs | 32+100% | 16 |
| TMUs | 128+220% | 40 |
| L1 Cache | 512 KB+540% | 80 KB |
| L2 Cache | 768 KB+200% | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | FirePro 3D V7750 | Mobility Radeon HD 3870 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The FirePro 3D V7750 comes with 1 GB of VRAM, while the Mobility Radeon HD 3870 has 512 MB. The FirePro 3D V7750 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 128-bit. L2 Cache: 768 KB (FirePro 3D V7750) vs 256 KB (Mobility Radeon HD 3870) — the FirePro 3D V7750 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | FirePro 3D V7750 | Mobility Radeon HD 3870 |
|---|---|---|
| VRAM Capacity | 1 GB+100% | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 128-bit+100% |
| L2 Cache | 768 KB+200% | 256 KB |
Display & API Support
DirectX support: 10.1 (FirePro 3D V7750) vs 10.1 (Mobility Radeon HD 3870). Maximum simultaneous displays: 2 vs 0.
| Feature | FirePro 3D V7750 | Mobility Radeon HD 3870 |
|---|---|---|
| DirectX | 10.1 | 10.1 |
| Max Displays | 2 | 0 |
Media & Encoding
Hardware encoder: UVD 2 (FirePro 3D V7750) vs UVD (Mobility Radeon HD 3870). Decoder: UVD 2 vs UVD.
| Feature | FirePro 3D V7750 | Mobility Radeon HD 3870 |
|---|---|---|
| Encoder | UVD 2 | UVD |
| Decoder | UVD 2 | UVD |
| Codecs | MPEG-2,H.264,VC-1 | — |
Power & Dimensions
The FirePro 3D V7750 draws 274W versus the Mobility Radeon HD 3870's 50W — a 138.3% difference. The Mobility Radeon HD 3870 is more power-efficient. Recommended PSU: 350W (FirePro 3D V7750) vs 350W (Mobility Radeon HD 3870). Power connectors: PCIe-powered vs PCIe-powered. Card length: 234mm vs 1mm, occupying 1 vs 0 slots.
| Feature | FirePro 3D V7750 | Mobility Radeon HD 3870 |
|---|---|---|
| TDP | 274W | 50W-82% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | PCIe-powered |
| Length | 234mm | 1mm |
| Height | 111mm | — |
| Slots | 1 | 0-100% |
| Temp (Load) | 80°C | — |
| Perf/Watt | 2.0 | 11.0+450% |
Value Analysis
The FirePro 3D V7750 launched at $799 MSRP and currently averages $20, while the Mobility Radeon HD 3870 launched at $129 and now averages $15. The Mobility Radeon HD 3870 costs 25% less ($5 savings) at current market prices. Performance per dollar (G3D Mark / price): 27.3 (FirePro 3D V7750) vs 36.5 (Mobility Radeon HD 3870) — the Mobility Radeon HD 3870 offers 33.7% better value. The FirePro 3D V7750 is the newer GPU (2014 vs 2010).
| Feature | FirePro 3D V7750 | Mobility Radeon HD 3870 |
|---|---|---|
| MSRP | $799 | $129-84% |
| Avg Price (30d) | $20 | $15-25% |
| Performance per Dollar | 27.3 | 36.5+34% |
| Codename | Tahiti | Broadway |
| Release | January 18 2014 | January 7 2010 |
| Ranking | #423 | #846 |
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