Quadro K420 vs Radeon R7 A10-7800
Quadro K420
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Radeon R7 A10-7800
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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 Quadro K420 is positioned at rank 220 and the Radeon R7 A10-7800 is on rank 488, so the Quadro K420 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 Radeon R7 A10-7800
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon R7 A10-7800 is significantly newer (2024 vs 2014). The Radeon R7 A10-7800 likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Quadro K420 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon R7 A10-7800 is the superior choice for raw performance. It leads with a 1.9% higher G3D Mark score. However, the Quadro K420 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Quadro K420 | Radeon R7 A10-7800 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.9%) | ✅Leading raw performance (+1.9%) |
| Longevity | 🛑Obsolete Architecture (2014 / Kepler (2012−2018)) | RDNA 3.0 (2022−2026) (5nm) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | — |
💎 Value Proposition
The Quadro K420 offers a compelling cost-to-performance ratio. Priced at $20 versus $30 for the Radeon R7 A10-7800, it costs 33% less. While it maintains basic entry-level capabilities, this results in a 47.2% higher cost efficiency score.
| Insight | Quadro K420 | Radeon R7 A10-7800 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+47.2%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($20) | ⚠️Higher upfront cost ($30) |
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 Radeon R7 A10-7800
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.
Radeon R7 A10-7800
The Radeon R7 A10-7800 is manufactured by AMD. It was released in September 11 2024. It features the RDNA 3.0 architecture. The core clock ranges from 1295 MHz to 2335 MHz. It has 3840 shading units. The thermal design power (TDP) is 180W. Manufactured using 5 nm process technology. It features 60 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 740 points.
Graphics Performance
The Quadro K420 scores 726 and the Radeon R7 A10-7800 reaches 740 in the G3D Mark benchmark — just a 1.9% difference, making them near-identical in rasterization performance. The Quadro K420 is built on Kepler while the Radeon R7 A10-7800 uses RDNA 3.0, both on 28 nm vs 5 nm. Shader units: 1,344 (Quadro K420) vs 3,840 (Radeon R7 A10-7800). Raw compute: 2.107 TFLOPS (Quadro K420) vs 35.87 TFLOPS (Radeon R7 A10-7800). Boost clocks: 784 MHz vs 2335 MHz.
| Feature | Quadro K420 | Radeon R7 A10-7800 |
|---|---|---|
| G3D Mark Score | 726 | 740+2% |
| Architecture | Kepler | RDNA 3.0 |
| Process Node | 28 nm | 5 nm |
| Shading Units | 1344 | 3840+186% |
| Compute (TFLOPS) | 2.107 TFLOPS | 35.87 TFLOPS+1602% |
| Boost Clock | 784 MHz | 2335 MHz+198% |
| ROPs | 32 | 96+200% |
| TMUs | 112 | 240+114% |
| L1 Cache | 112 KB | 768 KB+586% |
| L2 Cache | 0.5 MB | 4 MB+700% |
Advanced Features (DLSS/FSR)
| Feature | Quadro K420 | Radeon R7 A10-7800 |
|---|---|---|
| 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 Quadro K420 comes with 1 GB of VRAM, while the Radeon R7 A10-7800 has 512 MB. The Quadro K420 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 128-bit. L2 Cache: 0.5 MB (Quadro K420) vs 4 MB (Radeon R7 A10-7800) — the Radeon R7 A10-7800 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Quadro K420 | Radeon R7 A10-7800 |
|---|---|---|
| VRAM Capacity | 1 GB+100% | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 128-bit+100% |
| L2 Cache | 0.5 MB | 4 MB+700% |
Power & Dimensions
The Quadro K420 draws 108W versus the Radeon R7 A10-7800's 180W — a 50% difference. The Quadro K420 is more power-efficient. Recommended PSU: 350W (Quadro K420) vs 350W (Radeon R7 A10-7800). Power connectors: PCIe-powered vs PCIe-powered.
| Feature | Quadro K420 | Radeon R7 A10-7800 |
|---|---|---|
| TDP | 108W-40% | 180W |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | PCIe-powered |
| Perf/Watt | 6.7+63% | 4.1 |
Value Analysis
The Quadro K420 launched at $150 MSRP and currently averages $20, while the Radeon R7 A10-7800 launched at $155 and now averages $30. The Quadro K420 costs 33.3% less ($10 savings) at current market prices. Performance per dollar (G3D Mark / price): 36.3 (Quadro K420) vs 24.7 (Radeon R7 A10-7800) — the Quadro K420 offers 47% better value. The Radeon R7 A10-7800 is the newer GPU (2024 vs 2014).
| Feature | Quadro K420 | Radeon R7 A10-7800 |
|---|---|---|
| MSRP | $150-3% | $155 |
| Avg Price (30d) | $20-33% | $30 |
| Performance per Dollar | 36.3+47% | 24.7 |
| Codename | GK104 | Navi 32 |
| Release | July 22 2014 | September 11 2024 |
| Ranking | #475 | #131 |
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