
Radeon HD 6670/7670

Radeon R5 340
Radeon HD 6670/7670 vs Radeon R5 340 Performance Spectrum
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.
Radeon HD 6670/7670 vs Radeon R5 340 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Radeon HD 6670/7670 vs Radeon R5 340: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
Radeon HD 6670/7670
2012Why buy it
- ✅Competitive enough if your priority is price, power, or specific feature preference.
Trade-offs
- ❌Lower average FPS than Radeon R5 340 across 50 tracked games in our benchmark data.
- ❌2012 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
Radeon R5 340
2017Why buy it
- ✅45.3% more average FPS across 50 tracked games in our benchmark data.
- ✅More future proof: GCN 4.0 (2016−2020) on 14nm with a newer platform for upcoming games.
Trade-offs
- ❌2017 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
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Radeon HD 6670/7670 vs Radeon R5 340 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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.

Radeon R5 340
The Radeon R5 340 is manufactured by AMD. It was released in April 20 2017. It features the GCN 4.0 architecture. The core clock ranges from 1183 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 50W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 935 points. Launch price was $79.
Graphics Performance
The Radeon HD 6670/7670 scores 946 and the Radeon R5 340 reaches 935 in the G3D Mark benchmark — just a 1.2% difference, making them near-identical in rasterization performance. The Radeon HD 6670/7670 is built on TeraScale 2 while the Radeon R5 340 uses GCN 4.0, both on 40 nm vs 14 nm. Shader units: 480 (Radeon HD 6670/7670) vs 384 (Radeon R5 340). Raw compute: 0.576 TFLOPS (Radeon HD 6670/7670) vs 0.9085 TFLOPS (Radeon R5 340).
| Feature | Radeon HD 6670/7670 | Radeon R5 340 |
|---|---|---|
| G3D Mark Score | 946+1% | 935 |
| Architecture | TeraScale 2 | GCN 4.0 |
| Process Node | 40 nm | 14 nm |
| Shading Units | 480+25% | 384 |
| Compute (TFLOPS) | 0.576 TFLOPS | 0.9085 TFLOPS+58% |
| ROPs | 8 | 16+100% |
| TMUs | 24 | 24 |
| L1 Cache | 48 KB | 96 KB+100% |
| L2 Cache | 256 KB | 512 KB+100% |
| Frame Generation | FSR upscaling | FSR upscaling |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6670/7670 | Radeon R5 340 |
|---|---|---|
| Upscaling Tech | FSR Upscaling / FSR 4 | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
Both cards ship with 512 MB of GDDR5. Memory bus width is 128-bit on the Radeon HD 6670/7670 and 128-bit on the Radeon R5 340. L2 Cache: 256 KB (Radeon HD 6670/7670) vs 512 KB (Radeon R5 340) — the Radeon R5 340 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 6670/7670 | Radeon R5 340 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 256 KB | 512 KB+100% |
Power & Dimensions
The Radeon HD 6670/7670 draws 45W versus the Radeon R5 340's 50W — a 10.5% difference. The Radeon HD 6670/7670 is more power-efficient. Recommended PSU: 350W (Radeon HD 6670/7670) vs 300W (Radeon R5 340). Power connectors: 1x 6-pin vs None.
| Feature | Radeon HD 6670/7670 | Radeon R5 340 |
|---|---|---|
| TDP | 45W-10% | 50W |
| Recommended PSU | 350W | 300W-14% |
| Power Connector | 1x 6-pin | None |
| Perf/Watt | 21.0+12% | 18.7 |
Value Analysis
At launch, the Radeon HD 6670/7670 came in at $99, while the Radeon R5 340 launched at $99. Performance per dollar on MSRP (G3D Mark / MSRP): 9.6 (Radeon HD 6670/7670) vs 9.4 (Radeon R5 340) — the Radeon HD 6670/7670 offers 2.1% better value. The newer card here is Radeon R5 340 (2017 vs 2012).
| Feature | Radeon HD 6670/7670 | Radeon R5 340 |
|---|---|---|
| MSRP | $99 | $99 |
| Performance per Dollar | 9.6+2% | 9.4 |
| Codename | Turks | Lexa |
| Release | January 5 2012 | April 20 2017 |
| Ranking | #870 | #773 |
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