Radeon R7E vs Radeon HD 7640G + 8670M Dual
Radeon R7E
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Radeon HD 7640G + 8670M Dual
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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 7640G + 8670M Dual
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon R7E is the superior choice for raw performance. It leads with a 1.3% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 7640G + 8670M Dual.
| Insight | Radeon R7E | Radeon HD 7640G + 8670M Dual |
|---|---|---|
| Performance | ✅Leading raw performance (+1.3%) | ❌Lower raw frame rates (-1.3%) |
| Longevity | 🛑Obsolete Architecture (2013 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2013 / Legacy) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | Normal Efficiency | Normal Efficiency |
| Case Fit | 📏 Compact / SFF Friendly | 📏 Compact / SFF Friendly |
💎 Value Proposition
The Radeon R7E offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon R7E holds the technical lead. Priced at $49 (vs $150), it costs 67% less, resulting in a 210% higher cost efficiency score.
| Insight | Radeon R7E | Radeon HD 7640G + 8670M Dual |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+210%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($49) | ⚠️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 R7E and Radeon HD 7640G + 8670M Dual
Radeon R7E
The Radeon R7E is manufactured by AMD. It was released in December 20 2013. It features the GCN 1.0 architecture. The core clock speed is 800 MHz. It has 512 shading units. The thermal design power (TDP) is 55W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 565 points. Launch price was $109.
Radeon HD 7640G + 8670M Dual
The Radeon HD 7640G + 8670M Dual is manufactured by AMD. It was released in August 1 2013. The core clock speed is 720 / 775 MHz. It has 768 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 558 points.
Graphics Performance
The Radeon R7E scores 565 and the Radeon HD 7640G + 8670M Dual reaches 558 in the G3D Mark benchmark — just a 1.3% difference, making them near-identical in rasterization performance. Shader units: 512 (Radeon R7E) vs 768 (Radeon HD 7640G + 8670M Dual).
| Feature | Radeon R7E | Radeon HD 7640G + 8670M Dual |
|---|---|---|
| G3D Mark Score | 565+1% | 558 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 512 | 768+50% |
Advanced Features (DLSS/FSR)
| Feature | Radeon R7E | Radeon HD 7640G + 8670M Dual |
|---|---|---|
| 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)
Both cards feature 512 MB of GDDR5. Bus width: 64-bit vs 128-bit.
| Feature | Radeon R7E | Radeon HD 7640G + 8670M Dual |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 128-bit+100% |
Display & API Support
DirectX support: 12_0 (Radeon R7E) vs 11_1 (Radeon HD 7640G + 8670M Dual). Maximum simultaneous displays: 0 vs 0.
| Feature | Radeon R7E | Radeon HD 7640G + 8670M Dual |
|---|---|---|
| DirectX | 12_0+9% | 11_1 |
| Max Displays | 0 | 0 |
Media & Encoding
Hardware encoder: VCE 2.0 (Radeon R7E) vs UVD 3 (Radeon HD 7640G + 8670M Dual). Decoder: UVD 4.2 vs UVD 3.
| Feature | Radeon R7E | Radeon HD 7640G + 8670M Dual |
|---|---|---|
| Encoder | VCE 2.0 | UVD 3 |
| Decoder | UVD 4.2 | UVD 3 |
Power & Dimensions
The Radeon R7E draws 55W versus the Radeon HD 7640G + 8670M Dual's 50W — a 9.5% difference. The Radeon HD 7640G + 8670M Dual is more power-efficient. Recommended PSU: 350W (Radeon R7E) vs 350W (Radeon HD 7640G + 8670M Dual). Power connectors: None vs 1x 6-pin. Card length: 1mm vs 1mm, occupying 0 vs 0 slots.
| Feature | Radeon R7E | Radeon HD 7640G + 8670M Dual |
|---|---|---|
| TDP | 55W | 50W-9% |
| Recommended PSU | 350W | 350W |
| Power Connector | None | 1x 6-pin |
| Length | 1mm | 1mm |
| Slots | 0 | 0 |
| Perf/Watt | 10.3 | 11.2+9% |
Value Analysis
The Radeon R7E launched at $0 MSRP and currently averages $49, while the Radeon HD 7640G + 8670M Dual launched at $150 and now averages $150. The Radeon R7E costs 67.3% less ($101 savings) at current market prices. Performance per dollar (G3D Mark / price): 11.5 (Radeon R7E) vs 3.7 (Radeon HD 7640G + 8670M Dual) — the Radeon R7E offers 210.8% better value.
| Feature | Radeon R7E | Radeon HD 7640G + 8670M Dual |
|---|---|---|
| MSRP | $0-100% | $150 |
| Avg Price (30d) | $49-67% | $150 |
| Performance per Dollar | 11.5+211% | 3.7 |
| Codename | Cape Verde | — |
| Release | December 20 2013 | August 1 2013 |
| Ranking | #738 | #881 |
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The most powerful gpus ranked by G3D Mark benchmark scores.
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