Tesla K20c vs GRID P6-4Q
Tesla K20c
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GRID P6-4Q
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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 Tesla K20c is positioned at rank 325 and the GRID P6-4Q is on rank 280, so the GRID P6-4Q offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Tesla K20c
Performance Per Dollar GRID P6-4Q
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Tesla K20c is the superior choice for raw performance. It leads with a 0.1% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GRID P6-4Q.
| Insight | Tesla K20c | GRID P6-4Q |
|---|---|---|
| Performance | ✅Leading raw performance (+0.1%) | ❌Lower raw frame rates (-0.1%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2015 / Maxwell 2.0 (2014−2019)) |
| 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 (267mm) | 📏 Compact / SFF Friendly |
💎 Value Proposition
The GRID P6-4Q offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GRID P6-4Q holds the technical lead. Priced at $150 (vs $500), it costs 70% less, resulting in a 233.1% higher cost efficiency score.
| Insight | Tesla K20c | GRID P6-4Q |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+233.1%) |
| Upfront Cost | ⚠️Higher upfront cost ($500) | ✅More affordable ($150) |
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 Tesla K20c and GRID P6-4Q
Tesla K20c
The Tesla K20c is manufactured by NVIDIA. It was released in November 12 2012. It features the Kepler architecture. The core clock speed is 706 MHz. It has 2496 shading units. The thermal design power (TDP) is 225W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 4,432 points. Launch price was $3,199.
GRID P6-4Q
The GRID P6-4Q is manufactured by NVIDIA. It was released in August 30 2015. It features the Maxwell 2.0 architecture. The core clock speed is 722 MHz. It has 1536 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 4,429 points.
Graphics Performance
The Tesla K20c scores 4,432 and the GRID P6-4Q reaches 4,429 in the G3D Mark benchmark — just a 0.1% difference, making them near-identical in rasterization performance. The Tesla K20c is built on Kepler while the GRID P6-4Q uses Maxwell 2.0, both on a 28 nm process. Shader units: 2,496 (Tesla K20c) vs 1,536 (GRID P6-4Q). Raw compute: 3.524 TFLOPS (Tesla K20c) vs 2.218 TFLOPS (GRID P6-4Q).
| Feature | Tesla K20c | GRID P6-4Q |
|---|---|---|
| G3D Mark Score | 4,432 | 4,429 |
| Architecture | Kepler | Maxwell 2.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 2496+63% | 1536 |
| Compute (TFLOPS) | 3.524 TFLOPS+59% | 2.218 TFLOPS |
| ROPs | 40 | 64+60% |
| TMUs | 208+117% | 96 |
| L1 Cache | 208 KB | 576 KB+177% |
| L2 Cache | 1.25 MB | 2 MB+60% |
Advanced Features (DLSS/FSR)
| Feature | Tesla K20c | GRID P6-4Q |
|---|---|---|
| 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 2 GB of GDDR5. Bus width: 64-bit vs 64-bit. L2 Cache: 1.25 MB (Tesla K20c) vs 2 MB (GRID P6-4Q) — the GRID P6-4Q has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Tesla K20c | GRID P6-4Q |
|---|---|---|
| VRAM Capacity | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 64-bit |
| L2 Cache | 1.25 MB | 2 MB+60% |
Display & API Support
DirectX support: 11_0 (Tesla K20c) vs 12_1 (GRID P6-4Q). Maximum simultaneous displays: 0 vs 0.
| Feature | Tesla K20c | GRID P6-4Q |
|---|---|---|
| DirectX | 11_0 | 12_1+9% |
| Max Displays | 0 | 0 |
Power & Dimensions
The Tesla K20c draws 225W versus the GRID P6-4Q's 100W — a 76.9% difference. The GRID P6-4Q is more power-efficient. Recommended PSU: 350W (Tesla K20c) vs 350W (GRID P6-4Q). Power connectors: PCIe-powered vs PCIe-powered. Card length: 267mm vs 1mm, occupying 2 vs 0 slots.
| Feature | Tesla K20c | GRID P6-4Q |
|---|---|---|
| TDP | 225W | 100W-56% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | PCIe-powered |
| Length | 267mm | 1mm |
| Slots | 2 | 0-100% |
| Perf/Watt | 19.7 | 44.3+125% |
Value Analysis
The Tesla K20c launched at $3199 MSRP and currently averages $500, while the GRID P6-4Q launched at $2000 and now averages $150. The GRID P6-4Q costs 70% less ($350 savings) at current market prices. Performance per dollar (G3D Mark / price): 8.9 (Tesla K20c) vs 29.5 (GRID P6-4Q) — the GRID P6-4Q offers 231.5% better value. The GRID P6-4Q is the newer GPU (2015 vs 2012).
| Feature | Tesla K20c | GRID P6-4Q |
|---|---|---|
| MSRP | $3199 | $2000-37% |
| Avg Price (30d) | $500 | $150-70% |
| Performance per Dollar | 8.9 | 29.5+231% |
| Codename | GK110 | GM204 |
| Release | November 12 2012 | August 30 2015 |
| Ranking | #549 | #535 |
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