Radeon R7 340 vs Radeon HD 6670/7670
Radeon R7 340
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Radeon HD 6670/7670
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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 340 is positioned at rank 130 and the Radeon HD 6670/7670 is on rank 374, so the Radeon R7 340 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 340
Performance Per Dollar Radeon HD 6670/7670
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon R7 340 is the superior choice for raw performance. It leads with a 1.5% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 6670/7670.
| Insight | Radeon R7 340 | Radeon HD 6670/7670 |
|---|---|---|
| Performance | ✅Leading raw performance (+1.5%) | ❌Lower raw frame rates (-1.5%) |
| Longevity | 🛑Obsolete Architecture (2015 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2012 / TeraScale 2 (2009−2015)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
The Radeon R7 340 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon R7 340 holds the technical lead. Priced at $25 (vs $40), it costs 38% less, resulting in a 62.4% higher cost efficiency score.
| Insight | Radeon R7 340 | Radeon HD 6670/7670 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+62.4%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($25) | ⚠️Higher upfront cost ($40) |
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 340 and Radeon HD 6670/7670
Radeon R7 340
The Radeon R7 340 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: 960 points. Launch price was $149.
Radeon HD 6670/7670
The Radeon HD 6670/7670 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: 946 points.
Graphics Performance
The Radeon R7 340 scores 960 and the Radeon HD 6670/7670 reaches 946 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The Radeon R7 340 is built on GCN 1.0 while the Radeon HD 6670/7670 uses TeraScale 2, both on 28 nm vs 40 nm. Shader units: 1,024 (Radeon R7 340) vs 480 (Radeon HD 6670/7670). Raw compute: 1.997 TFLOPS (Radeon R7 340) vs 0.576 TFLOPS (Radeon HD 6670/7670).
| Feature | Radeon R7 340 | Radeon HD 6670/7670 |
|---|---|---|
| G3D Mark Score | 960+1% | 946 |
| Architecture | GCN 1.0 | TeraScale 2 |
| Process Node | 28 nm | 40 nm |
| Shading Units | 1024+113% | 480 |
| Compute (TFLOPS) | 1.997 TFLOPS+247% | 0.576 TFLOPS |
| ROPs | 32+300% | 8 |
| TMUs | 64+167% | 24 |
| L1 Cache | 256 KB+433% | 48 KB |
| L2 Cache | 512 KB+100% | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon R7 340 | Radeon HD 6670/7670 |
|---|---|---|
| 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: 128-bit vs 128-bit. L2 Cache: 512 KB (Radeon R7 340) vs 256 KB (Radeon HD 6670/7670) — the Radeon R7 340 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R7 340 | Radeon HD 6670/7670 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 512 KB+100% | 256 KB |
Power & Dimensions
The Radeon R7 340 draws 100W versus the Radeon HD 6670/7670's 45W — a 75.9% difference. The Radeon HD 6670/7670 is more power-efficient. Recommended PSU: 300W (Radeon R7 340) vs 350W (Radeon HD 6670/7670). Power connectors: None vs 1x 6-pin.
| Feature | Radeon R7 340 | Radeon HD 6670/7670 |
|---|---|---|
| TDP | 100W | 45W-55% |
| Recommended PSU | 300W-14% | 350W |
| Power Connector | None | 1x 6-pin |
| Perf/Watt | 9.6 | 21.0+119% |
Value Analysis
The Radeon R7 340 launched at $99 MSRP and currently averages $25, while the Radeon HD 6670/7670 launched at $99 and now averages $40. The Radeon R7 340 costs 37.5% less ($15 savings) at current market prices. Performance per dollar (G3D Mark / price): 38.4 (Radeon R7 340) vs 23.6 (Radeon HD 6670/7670) — the Radeon R7 340 offers 62.7% better value. The Radeon R7 340 is the newer GPU (2015 vs 2012).
| Feature | Radeon R7 340 | Radeon HD 6670/7670 |
|---|---|---|
| MSRP | $99 | $99 |
| Avg Price (30d) | $25-38% | $40 |
| Performance per Dollar | 38.4+63% | 23.6 |
| Codename | Trinidad | Turks |
| Release | June 18 2015 | January 5 2012 |
| Ranking | #467 | #870 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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