CPU
GPU
Quadro K420
Popular choices:
GeForce GT 340
Popular choices:
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 Quadro K420 is positioned at rank 220 and the GeForce GT 340 is on rank 170, 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 Quadro K420
Performance Per Dollar GeForce GT 340
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce GT 340 is the superior choice for raw performance. It leads with a 1.7% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Quadro K420.
| Insight | Quadro K420 | GeForce GT 340 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.7%) | ✅Leading raw performance (+1.7%) |
| Longevity | 🛑Obsolete Architecture (2014 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2014 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | 📏 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 $20), it costs 0% less, resulting in a 1.7% higher cost efficiency score.
| Insight | Quadro K420 | GeForce GT 340 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+1.7%) |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 Quadro K420 and GeForce GT 340
Quadro K420
The Quadro K420 is manufactured by NVIDIA. It was released in July 22 2014. It features the Kepler architecture. The core clock ranges from 771 MHz to 784 MHz. It has 1344 shading units. The thermal design power (TDP) is 108W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 726 points. Launch price was $854.99.
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.
Graphics Performance
The Quadro K420 scores 726 and the GeForce GT 340 reaches 738 in the G3D Mark benchmark — just a 1.7% difference, making them near-identical in rasterization performance. The Quadro K420 is built on Kepler while the GeForce GT 340 uses Kepler, both on a 28 nm process. Shader units: 1,344 (Quadro K420) vs 384 (GeForce GT 340). Raw compute: 2.107 TFLOPS (Quadro K420) vs 0.7626 TFLOPS (GeForce GT 340).
| Feature | Quadro K420 | GeForce GT 340 |
|---|---|---|
| G3D Mark Score | 726 | 738+2% |
| Architecture | Kepler | Kepler |
| Process Node | 28 nm | 28 nm |
| Shading Units | 1344+250% | 384 |
| Compute (TFLOPS) | 2.107 TFLOPS+176% | 0.7626 TFLOPS |
| ROPs | 32+100% | 16 |
| TMUs | 112+250% | 32 |
| L1 Cache | 112 KB+250% | 32 KB |
| L2 Cache | 512 KB+100% | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Quadro K420 | GeForce GT 340 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | Standard |
Video Memory (VRAM)
Both cards feature 1 GB of GDDR5. Bus width: 64-bit vs 128-bit. L2 Cache: 512 KB (Quadro K420) vs 256 KB (GeForce GT 340) — the Quadro K420 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Quadro K420 | GeForce GT 340 |
|---|---|---|
| VRAM Capacity | 1 GB | 1 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 128-bit+100% |
| L2 Cache | 512 KB+100% | 256 KB |
Power & Dimensions
The Quadro K420 draws 108W versus the GeForce GT 340's 64W — a 51.2% difference. The GeForce GT 340 is more power-efficient. Recommended PSU: 350W (Quadro K420) vs 300W (GeForce GT 340). Power connectors: PCIe-powered vs None.
| Feature | Quadro K420 | GeForce GT 340 |
|---|---|---|
| TDP | 108W | 64W-41% |
| Recommended PSU | 350W | 300W-14% |
| Power Connector | PCIe-powered | None |
| Length | — | 168mm |
| Height | — | 111mm |
| Slots | — | 1 |
| Temp (Load) | — | 75 |
| Perf/Watt | 6.7 | 11.5+72% |
Value Analysis
The Quadro K420 launched at $150 MSRP and currently averages $20, while the GeForce GT 340 launched at $100 and now averages $20. Performance per dollar (G3D Mark / price): 36.3 (Quadro K420) vs 36.9 (GeForce GT 340) — the GeForce GT 340 offers 1.7% better value.
| Feature | Quadro K420 | GeForce GT 340 |
|---|---|---|
| MSRP | $150 | $100-33% |
| Avg Price (30d) | $20 | $20 |
| Performance per Dollar | 36.3 | 36.9+2% |
| Codename | GK104 | GK107 |
| Release | July 22 2014 | May 29 2014 |
| Ranking | #475 | #777 |
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