
GeForce GT 340
Popular choices:

Radeon HD 6670
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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 GeForce GT 340 is positioned at rank 170 and the Radeon HD 6670 is on rank 172, so the GeForce GT 340 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce GT 340
Performance Per Dollar Radeon HD 6670
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce GT 340 is the superior choice for raw performance. It leads with a 1.8% higher G3D Mark score. However, the Radeon HD 6670 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | GeForce GT 340 | Radeon HD 6670 |
|---|---|---|
| Performance | ✅Leading raw performance (+1.8%) | ❌Lower raw frame rates (-1.8%) |
| Longevity | 🛑Obsolete Architecture (2014 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2010 / TeraScale 3 (2010−2013)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | 📏 Compact / SFF Friendly | 📏 Compact / SFF Friendly |
💎 Value Proposition
The GeForce GT 340 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce GT 340 holds the technical lead. Priced at $20 (vs $99), it costs 80% less, resulting in a 403.9% higher cost efficiency score.
| Insight | GeForce GT 340 | Radeon HD 6670 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+403.9%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($20) | ⚠️Higher upfront cost ($99) |
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.

Path of Exile 2

Counter-Strike 2

Valorant
Technical Specifications
Side-by-side comparison of GeForce GT 340 and Radeon HD 6670

GeForce GT 340
The GeForce GT 340 is manufactured by NVIDIA. It was released in May 29 2014. It features the Kepler architecture. The core clock speed is 993 MHz. It has 384 shading units. The thermal design power (TDP) is 64W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 738 points. Launch price was $89.

Radeon HD 6670
The Radeon HD 6670 is manufactured by AMD. It was released in December 14 2010. It features the TeraScale 3 architecture. The boost clock speed is 880 MHz. It has 1536 shading units. The thermal design power (TDP) is 250W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 725 points. Launch price was $369.
Graphics Performance
The GeForce GT 340 scores 738 and the Radeon HD 6670 reaches 725 in the G3D Mark benchmark — just a 1.8% difference, making them near-identical in rasterization performance. The GeForce GT 340 is built on Kepler while the Radeon HD 6670 uses TeraScale 3, both on 28 nm vs 40 nm. Shader units: 384 (GeForce GT 340) vs 1,536 (Radeon HD 6670). Raw compute: 0.7626 TFLOPS (GeForce GT 340) vs 2.703 TFLOPS (Radeon HD 6670).
| Feature | GeForce GT 340 | Radeon HD 6670 |
|---|---|---|
| G3D Mark Score | 738+2% | 725 |
| Architecture | Kepler | TeraScale 3 |
| Process Node | 28 nm | 40 nm |
| Shading Units | 384 | 1536+300% |
| Compute (TFLOPS) | 0.7626 TFLOPS | 2.703 TFLOPS+254% |
| ROPs | 16 | 32+100% |
| TMUs | 32 | 96+200% |
| L1 Cache | 32 KB | 192 KB+500% |
| L2 Cache | 256 KB | 512 KB+100% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 340 | Radeon HD 6670 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce GT 340 comes with 1 GB of VRAM, while the Radeon HD 6670 has 2 GB. The Radeon HD 6670 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 256 KB (GeForce GT 340) vs 512 KB (Radeon HD 6670) — the Radeon HD 6670 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GT 340 | Radeon HD 6670 |
|---|---|---|
| VRAM Capacity | 1 GB | 2 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 256 KB | 512 KB+100% |
Display & API Support
DirectX support: 11.1 (10_1) (GeForce GT 340) vs 11.2 (11_0) (Radeon HD 6670). Vulkan: N/A vs N/A. OpenGL: 3.3 vs 4.4. Maximum simultaneous displays: 2 vs 3.
| Feature | GeForce GT 340 | Radeon HD 6670 |
|---|---|---|
| DirectX | 11.1 (10_1) | 11.2 (11_0) |
| Vulkan | N/A | N/A |
| OpenGL | 3.3 | 4.4+33% |
| Max Displays | 2 | 3+50% |
Media & Encoding
Hardware encoder: None (GeForce GT 340) vs None (Radeon HD 6670). Decoder: VP4 vs UVD 3.0. Supported codecs: H.264,MPEG-2,VC-1 (GeForce GT 340) vs H.264,VC-1,MPEG-2,MPEG-4 (Radeon HD 6670).
| Feature | GeForce GT 340 | Radeon HD 6670 |
|---|---|---|
| Encoder | None | None |
| Decoder | VP4 | UVD 3.0 |
| Codecs | H.264,MPEG-2,VC-1 | H.264,VC-1,MPEG-2,MPEG-4 |
Power & Dimensions
The GeForce GT 340 draws 64W versus the Radeon HD 6670's 250W — a 118.5% difference. The GeForce GT 340 is more power-efficient. Recommended PSU: 300W (GeForce GT 340) vs 250W (Radeon HD 6670). Power connectors: None vs None. Card length: 168mm vs 168mm, occupying 1 vs 1 slots. Typical load temperature: 75 vs 75.
| Feature | GeForce GT 340 | Radeon HD 6670 |
|---|---|---|
| TDP | 64W-74% | 250W |
| Recommended PSU | 300W | 250W-17% |
| Power Connector | None | None |
| Length | 168mm | 168mm |
| Height | 111mm | 111mm |
| Slots | 1 | 1 |
| Temp (Load) | 75 | 75 |
| Perf/Watt | 11.5+297% | 2.9 |
Value Analysis
The GeForce GT 340 launched at $100 MSRP and currently averages $20, while the Radeon HD 6670 launched at $99 and now averages $99. The GeForce GT 340 costs 79.8% less ($79 savings) at current market prices. Performance per dollar (G3D Mark / price): 36.9 (GeForce GT 340) vs 7.3 (Radeon HD 6670) — the GeForce GT 340 offers 405.5% better value. The GeForce GT 340 is the newer GPU (2014 vs 2010).
| Feature | GeForce GT 340 | Radeon HD 6670 |
|---|---|---|
| MSRP | $100 | $99-1% |
| Avg Price (30d) | $20-80% | $99 |
| Performance per Dollar | 36.9+405% | 7.3 |
| Codename | GK107 | Cayman |
| Release | May 29 2014 | December 14 2010 |
| Ranking | #777 | #596 |
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