GRID K220Q vs GeForce GT 640M
GRID K220Q
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GeForce GT 640M
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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 GRID K220Q is positioned at rank 299 and the GeForce GT 640M is on rank 224, so the GeForce GT 640M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GRID K220Q
Performance Per Dollar GeForce GT 640M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GRID K220Q is the superior choice for raw performance. It leads with a 0.6% higher G3D Mark score. However, the GeForce GT 640M offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | GRID K220Q | GeForce GT 640M |
|---|---|---|
| Performance | ✅Leading raw performance (+0.6%) | ❌Lower raw frame rates (-0.6%) |
| Longevity | 🛑Obsolete Architecture (2014 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+300%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | Standard Size (265mm) | — |
💎 Value Proposition
The GRID K220Q offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GRID K220Q holds the technical lead. Priced at $40 (vs $50), it costs 20% less, resulting in a 25.7% higher cost efficiency score.
| Insight | GRID K220Q | GeForce GT 640M |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+25.7%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($40) | ⚠️Higher upfront cost ($50) |
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 GRID K220Q and GeForce GT 640M
GRID K220Q
The GRID K220Q is manufactured by NVIDIA. It was released in July 2 2014. It features the Kepler architecture. The core clock speed is 745 MHz. It has 1536 shading units. The thermal design power (TDP) is 225W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 912 points. Launch price was $469.
GeForce GT 640M
The GeForce GT 640M is manufactured by NVIDIA. It was released in March 22 2012. It features the Kepler architecture. The core clock ranges from Up to 625 MHz to 645 MHz. It has 384 shading units. The thermal design power (TDP) is 32W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 907 points.
Graphics Performance
The GRID K220Q scores 912 and the GeForce GT 640M reaches 907 in the G3D Mark benchmark — just a 0.6% difference, making them near-identical in rasterization performance. The GRID K220Q is built on Kepler while the GeForce GT 640M uses Kepler, both on a 28 nm process. Shader units: 1,536 (GRID K220Q) vs 384 (GeForce GT 640M). Raw compute: 2.289 TFLOPS (GRID K220Q) vs 0.48 TFLOPS (GeForce GT 640M).
| Feature | GRID K220Q | GeForce GT 640M |
|---|---|---|
| G3D Mark Score | 912 | 907 |
| Architecture | Kepler | Kepler |
| Process Node | 28 nm | 28 nm |
| Shading Units | 1536+300% | 384 |
| Compute (TFLOPS) | 2.289 TFLOPS+377% | 0.48 TFLOPS |
| ROPs | 32+100% | 16 |
| TMUs | 128+300% | 32 |
| L1 Cache | 128 KB+300% | 32 KB |
| L2 Cache | 512 KB+100% | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | GRID K220Q | GeForce GT 640M |
|---|---|---|
| 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)
The GRID K220Q comes with 512 MB of VRAM, while the GeForce GT 640M has 2 GB. The GeForce GT 640M offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 128-bit. L2 Cache: 512 KB (GRID K220Q) vs 256 KB (GeForce GT 640M) — the GRID K220Q has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GRID K220Q | GeForce GT 640M |
|---|---|---|
| VRAM Capacity | 0.5 GB | 2 GB+300% |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 128-bit+100% |
| L2 Cache | 512 KB+100% | 256 KB |
Display & API Support
DirectX support: 11_0 (GRID K220Q) vs 11.0 (GeForce GT 640M). Maximum simultaneous displays: 2 vs 1.
| Feature | GRID K220Q | GeForce GT 640M |
|---|---|---|
| DirectX | 11_0 | 11.0 |
| Max Displays | 2+100% | 1 |
Power & Dimensions
The GRID K220Q draws 225W versus the GeForce GT 640M's 32W — a 150.2% difference. The GeForce GT 640M is more power-efficient. Recommended PSU: 350W (GRID K220Q) vs 350W (GeForce GT 640M). Power connectors: PCIe-powered vs PCIe-powered. Card length: 265mm vs 0mm, occupying 2 vs 0 slots.
| Feature | GRID K220Q | GeForce GT 640M |
|---|---|---|
| TDP | 225W | 32W-86% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | PCIe-powered |
| Length | 265mm | 0mm |
| Height | — | 0mm |
| Slots | 2 | 0-100% |
| Temp (Load) | — | 70°C |
| Perf/Watt | 4.1 | 28.3+590% |
Value Analysis
The GRID K220Q costs 20% less ($10 savings) at current market prices. Performance per dollar (G3D Mark / price): 22.8 (GRID K220Q) vs 18.1 (GeForce GT 640M) — the GRID K220Q offers 26% better value. The GRID K220Q is the newer GPU (2014 vs 2012).
| Feature | GRID K220Q | GeForce GT 640M |
|---|---|---|
| MSRP | $469 | — |
| Avg Price (30d) | $40-20% | $50 |
| Performance per Dollar | 22.8+26% | 18.1 |
| Codename | GK104 | GK107 |
| Release | July 2 2014 | March 22 2012 |
| Ranking | #907 | #909 |
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