Radeon R7 A8-7680 vs Radeon HD 8770
Radeon R7 A8-7680
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Radeon HD 8770
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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 Radeon R7 A8-7680 is positioned at rank 90 and the Radeon HD 8770 is on rank 271, so the Radeon R7 A8-7680 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon R7 A8-7680
Performance Per Dollar Radeon HD 8770
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 8770 is the superior choice for raw performance. It leads with a 229.6% 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 Radeon R7 A8-7680.
| Insight | Radeon R7 A8-7680 | Radeon HD 8770 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-229.6%) | ✅Leading raw performance (+229.6%) |
| Longevity | 🛑Obsolete Architecture (2015 / 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 | 📏 Compact / SFF Friendly | 📏 Compact / SFF Friendly |
💎 Value Proposition
The Radeon R7 A8-7680 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon R7 A8-7680 holds the technical lead. Priced at $10 (vs $150), it costs 93% less, resulting in a 355.1% higher cost efficiency score.
| Insight | Radeon R7 A8-7680 | Radeon HD 8770 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+355.1%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($10) | ⚠️Higher upfront cost ($150) |
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 Radeon R7 A8-7680 and Radeon HD 8770
Radeon R7 A8-7680
The Radeon R7 A8-7680 is manufactured by AMD. It was released in June 18 2015. It features the GCN 1.0 architecture. The boost clock speed is 975 MHz. It has 1024 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 791 points. Launch price was $149.
Radeon HD 8770
The Radeon HD 8770 is manufactured by AMD. It was released in April 1 2013. It features the GCN 1.0 architecture. The core clock ranges from 775 MHz to 825 MHz. It has 384 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,607 points.
Graphics Performance
In G3D Mark, the Radeon R7 A8-7680 scores 791 versus the Radeon HD 8770's 2,607 — the Radeon HD 8770 leads by 229.6%. The Radeon R7 A8-7680 is built on GCN 1.0 while the Radeon HD 8770 uses GCN 1.0, both on a 28 nm process. Shader units: 1,024 (Radeon R7 A8-7680) vs 384 (Radeon HD 8770). Raw compute: 1.997 TFLOPS (Radeon R7 A8-7680) vs 0.6336 TFLOPS (Radeon HD 8770). Boost clocks: 975 MHz vs 825 MHz.
| Feature | Radeon R7 A8-7680 | Radeon HD 8770 |
|---|---|---|
| G3D Mark Score | 791 | 2,607+230% |
| Architecture | GCN 1.0 | GCN 1.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 1024+167% | 384 |
| Compute (TFLOPS) | 1.997 TFLOPS+215% | 0.6336 TFLOPS |
| Boost Clock | 975 MHz+18% | 825 MHz |
| ROPs | 32+300% | 8 |
| TMUs | 64+167% | 24 |
| L1 Cache | 256 KB+167% | 96 KB |
| L2 Cache | 512 KB+100% | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon R7 A8-7680 | Radeon HD 8770 |
|---|---|---|
| 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 Radeon R7 A8-7680 comes with 512 MB of VRAM, while the Radeon HD 8770 has 2 GB. The Radeon HD 8770 offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 512 KB (Radeon R7 A8-7680) vs 256 KB (Radeon HD 8770) — the Radeon R7 A8-7680 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R7 A8-7680 | Radeon HD 8770 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 2 GB+300% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | 96 GB/s |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 512 KB+100% | 256 KB |
Display & API Support
DirectX support: 12 (Radeon R7 A8-7680) vs 12_0 (Radeon HD 8770). Maximum simultaneous displays: 0 vs 3.
| Feature | Radeon R7 A8-7680 | Radeon HD 8770 |
|---|---|---|
| DirectX | 12 | 12_0 |
| Max Displays | 0 | 3 |
Media & Encoding
Hardware encoder: VCE 2.0 (Radeon R7 A8-7680) vs VCE 2.0 (Radeon HD 8770). Decoder: UVD 4.2 vs UVD 4.0.
| Feature | Radeon R7 A8-7680 | Radeon HD 8770 |
|---|---|---|
| Encoder | VCE 2.0 | VCE 2.0 |
| Decoder | UVD 4.2 | UVD 4.0 |
Power & Dimensions
The Radeon R7 A8-7680 draws 100W versus the Radeon HD 8770's 50W — a 66.7% difference. The Radeon HD 8770 is more power-efficient. Recommended PSU: 350W (Radeon R7 A8-7680) vs 350W (Radeon HD 8770). Power connectors: None vs 1x 6-pin. Card length: 1mm vs 240mm, occupying 0 vs 2 slots.
| Feature | Radeon R7 A8-7680 | Radeon HD 8770 |
|---|---|---|
| TDP | 100W | 50W-50% |
| Recommended PSU | 350W | 350W |
| Power Connector | None | 1x 6-pin |
| Length | 1mm | 240mm |
| Slots | 0-100% | 2 |
| Perf/Watt | 7.9 | 52.1+559% |
Value Analysis
The Radeon R7 A8-7680 launched at $50 MSRP and currently averages $10, while the Radeon HD 8770 launched at $150 and now averages $150. The Radeon R7 A8-7680 costs 93.3% less ($140 savings) at current market prices. Performance per dollar (G3D Mark / price): 79.1 (Radeon R7 A8-7680) vs 17.4 (Radeon HD 8770) — the Radeon R7 A8-7680 offers 354.6% better value. The Radeon R7 A8-7680 is the newer GPU (2015 vs 2013).
| Feature | Radeon R7 A8-7680 | Radeon HD 8770 |
|---|---|---|
| MSRP | $50-67% | $150 |
| Avg Price (30d) | $10-93% | $150 |
| Performance per Dollar | 79.1+355% | 17.4 |
| Codename | Trinidad | Mars |
| Release | June 18 2015 | April 1 2013 |
| Ranking | #467 | #844 |
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The most powerful gpus ranked by G3D Mark benchmark scores.
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