Radeon HD 6870 vs Quadro K620
Radeon HD 6870
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Quadro K620
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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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar Quadro K620
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Quadro K620 is the superior choice for raw performance. It leads with a 0.3% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 6870.
| Insight | Radeon HD 6870 | Quadro K620 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.3%) | ✅Leading raw performance (+0.3%) |
| Longevity | 🛑Obsolete Architecture (2010 / TeraScale 2 (2009−2015)) | 🛑Obsolete Architecture (2014 / Maxwell (2014−2017)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | Standard Size (247mm) | — |
💎 Value Proposition
The Quadro K620 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Quadro K620 holds the technical lead. Priced at $30 (vs $50), it costs 40% less, resulting in a 67.2% higher cost efficiency score.
| Insight | Radeon HD 6870 | Quadro K620 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+67.2%) |
| Upfront Cost | ⚠️Higher upfront cost ($50) | ✅More affordable ($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 Radeon HD 6870 and Quadro K620
Radeon HD 6870
The Radeon HD 6870 is manufactured by AMD. It was released in October 21 2010. It features the TeraScale 2 architecture. The boost clock speed is 900 MHz. It has 1120 shading units. The thermal design power (TDP) is 151W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 2,206 points. Launch price was $239.
Quadro K620
The Quadro K620 is manufactured by NVIDIA. It was released in July 22 2014. It features the Maxwell architecture. The core clock ranges from 1058 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 45W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,213 points. Launch price was $189.89.
Graphics Performance
The Radeon HD 6870 scores 2,206 and the Quadro K620 reaches 2,213 in the G3D Mark benchmark — just a 0.3% difference, making them near-identical in rasterization performance. The Radeon HD 6870 is built on TeraScale 2 while the Quadro K620 uses Maxwell, both on 40 nm vs 28 nm. Shader units: 1,120 (Radeon HD 6870) vs 384 (Quadro K620). Raw compute: 2.016 TFLOPS (Radeon HD 6870) vs 0.8632 TFLOPS (Quadro K620). Boost clocks: 900 MHz vs 1124 MHz.
| Feature | Radeon HD 6870 | Quadro K620 |
|---|---|---|
| G3D Mark Score | 2,206 | 2,213 |
| Architecture | TeraScale 2 | Maxwell |
| Process Node | 40 nm | 28 nm |
| Shading Units | 1120+192% | 384 |
| Compute (TFLOPS) | 2.016 TFLOPS+134% | 0.8632 TFLOPS |
| Boost Clock | 900 MHz | 1124 MHz+25% |
| ROPs | 32+100% | 16 |
| TMUs | 56+133% | 24 |
| L1 Cache | 224 KB+17% | 192 KB |
| L2 Cache | 0.5 MB | 2 MB+300% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6870 | Quadro K620 |
|---|---|---|
| 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 | Standard |
Video Memory (VRAM)
Both cards feature 2 GB of GDDR5. Bus width: 128-bit vs 64-bit. L2 Cache: 0.5 MB (Radeon HD 6870) vs 2 MB (Quadro K620) — the Quadro K620 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 6870 | Quadro K620 |
|---|---|---|
| VRAM Capacity | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 0.5 MB | 2 MB+300% |
Power & Dimensions
The Radeon HD 6870 draws 151W versus the Quadro K620's 45W — a 108.2% difference. The Quadro K620 is more power-efficient. Recommended PSU: 500W (Radeon HD 6870) vs 350W (Quadro K620). Power connectors: 2x 6-pin vs PCIe-powered.
| Feature | Radeon HD 6870 | Quadro K620 |
|---|---|---|
| TDP | 151W | 45W-70% |
| Recommended PSU | 500W | 350W-30% |
| Power Connector | 2x 6-pin | PCIe-powered |
| Length | 247mm | — |
| Height | 111mm | — |
| Slots | 2 | — |
| Temp (Load) | 85 | — |
| Perf/Watt | 14.6 | 49.2+237% |
Value Analysis
The Radeon HD 6870 launched at $239 MSRP and currently averages $50, while the Quadro K620 launched at $150 and now averages $30. The Quadro K620 costs 40% less ($20 savings) at current market prices. Performance per dollar (G3D Mark / price): 44.1 (Radeon HD 6870) vs 73.8 (Quadro K620) — the Quadro K620 offers 67.3% better value. The Quadro K620 is the newer GPU (2014 vs 2010).
| Feature | Radeon HD 6870 | Quadro K620 |
|---|---|---|
| MSRP | $239 | $150-37% |
| Avg Price (30d) | $50 | $30-40% |
| Performance per Dollar | 44.1 | 73.8+67% |
| Codename | Barts | GM107 |
| Release | October 21 2010 | July 22 2014 |
| Ranking | #661 | #660 |
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