
Seria Radeon HD 7700
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Radeon HD 8870M
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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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar Radeon HD 8870M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 8870M is the superior choice for raw performance. It leads with a 2.1% higher G3D Mark score and 300% more VRAM (2 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Seria Radeon HD 7700.
| Insight | Seria Radeon HD 7700 | Radeon HD 8870M |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.1%) | ✅Leading raw performance (+2.1%) |
| Longevity | 🛑Obsolete Architecture (2012 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2013 / GCN 1.0 (2012−2020)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+300%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon HD 8870M 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 Seria Radeon HD 7700 and Radeon HD 8870M

Seria Radeon HD 7700
The Seria Radeon HD 7700 is manufactured by AMD. It was released in January 9 2012. It features the GCN 1.0 architecture. The boost clock speed is 925 MHz. It has 2048 shading units. The thermal design power (TDP) is 250W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,604 points. Launch price was $549.

Radeon HD 8870M
The Radeon HD 8870M is manufactured by AMD. It was released in April 1 2013. It features the GCN 1.0 architecture. The core clock ranges from 725 MHz to 775 MHz. It has 640 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,638 points.
Graphics Performance
The Seria Radeon HD 7700 scores 1,604 and the Radeon HD 8870M reaches 1,638 in the G3D Mark benchmark — just a 2.1% difference, making them near-identical in rasterization performance. The Seria Radeon HD 7700 is built on GCN 1.0 while the Radeon HD 8870M uses GCN 1.0, both on a 28 nm process. Shader units: 2,048 (Seria Radeon HD 7700) vs 640 (Radeon HD 8870M). Raw compute: 3.789 TFLOPS (Seria Radeon HD 7700) vs 0.992 TFLOPS (Radeon HD 8870M). Boost clocks: 925 MHz vs 775 MHz.
| Feature | Seria Radeon HD 7700 | Radeon HD 8870M |
|---|---|---|
| G3D Mark Score | 1,604 | 1,638+2% |
| Architecture | GCN 1.0 | GCN 1.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 2048+220% | 640 |
| Compute (TFLOPS) | 3.789 TFLOPS+282% | 0.992 TFLOPS |
| Boost Clock | 925 MHz+19% | 775 MHz |
| ROPs | 32+100% | 16 |
| TMUs | 128+220% | 40 |
| L1 Cache | 512 KB+220% | 160 KB |
| L2 Cache | 768 KB+200% | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Seria Radeon HD 7700 | Radeon HD 8870M |
|---|---|---|
| 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 | AMD Anti-Lag |
Video Memory (VRAM)
The Seria Radeon HD 7700 comes with 512 MB of VRAM, while the Radeon HD 8870M has 2 GB. The Radeon HD 8870M offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs System. L2 Cache: 768 KB (Seria Radeon HD 7700) vs 256 KB (Radeon HD 8870M) — the Seria Radeon HD 7700 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Seria Radeon HD 7700 | Radeon HD 8870M |
|---|---|---|
| VRAM Capacity | 0.5 GB | 2 GB+300% |
| Memory Type | GDDR5 | Shared |
| Bus Width | 64-bit | System |
| L2 Cache | 768 KB+200% | 256 KB |
Power & Dimensions
The Seria Radeon HD 7700 draws 250W versus the Radeon HD 8870M's 50W — a 133.3% difference. The Radeon HD 8870M is more power-efficient. Recommended PSU: 450W (Seria Radeon HD 7700) vs 350W (Radeon HD 8870M). Power connectors: 1x 6-pin vs 1x 6-pin.
| Feature | Seria Radeon HD 7700 | Radeon HD 8870M |
|---|---|---|
| TDP | 250W | 50W-80% |
| Recommended PSU | 450W | 350W-22% |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Slots | — | 0 |
| Temp (Load) | — | 85 |
| Perf/Watt | 6.4 | 32.8+412% |
Value Analysis
The Radeon HD 8870M is the newer GPU (2013 vs 2012).
| Feature | Seria Radeon HD 7700 | Radeon HD 8870M |
|---|---|---|
| MSRP | $159 | — |
| Avg Price (30d) | $30 | — |
| Codename | Tahiti | Venus |
| Release | January 9 2012 | April 1 2013 |
| Ranking | #431 | #745 |
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