GeForce GT 640M vs GeForce RTX 3060 Ti
GeForce GT 640M
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GeForce RTX 3060 Ti
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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. The GeForce GT 640M is positioned at rank #224 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 GeForce GT 640M
Performance Per Dollar GeForce RTX 3060 Ti
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The GeForce RTX 3060 Ti is significantly newer (2020 vs 2012). The GeForce RTX 3060 Ti likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce GT 640M lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The GeForce RTX 3060 Ti is the superior choice for raw performance. It leads with a 2139.5% higher G3D Mark score and 300% more VRAM (8 GB vs 2 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GT 640M.
| Insight | GeForce GT 640M | GeForce RTX 3060 Ti |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2139.5%) | ✅Leading raw performance (+2139.5%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | 🔮Strong Longevity (Ampere (2020−2025) / 8nm) |
| Ecosystem | Supports FSR Upscaling | ✨ DLSS 2 Upscaling |
| VRAM | ❌ Less VRAM capacity | 🎮 High Capacity (8 GB) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
The GeForce RTX 3060 Ti offers a compelling cost-to-performance ratio. Although it costs $280 (vs $50), its significant performance lead justifies the premium, offering 299.9% better value per dollar than the GeForce GT 640M.
| Insight | GeForce GT 640M | GeForce RTX 3060 Ti |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+299.9%) |
| Upfront Cost | ✅More affordable ($50) | ⚠️Higher upfront cost ($280) |
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 GeForce GT 640M and GeForce RTX 3060 Ti
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.
GeForce RTX 3060 Ti
The GeForce RTX 3060 Ti is manufactured by NVIDIA. It was released in December 1 2020. It features the Ampere architecture. The core clock ranges from 1410 MHz to 1665 MHz. It has 4864 shading units. The thermal design power (TDP) is 200W. Manufactured using 8 nm process technology. It features 38 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 20,312 points. Launch price was $399.
Graphics Performance
In G3D Mark, the GeForce GT 640M scores 907 versus the GeForce RTX 3060 Ti's 20,312 — the GeForce RTX 3060 Ti leads by 2139.5%. The GeForce GT 640M is built on Kepler while the GeForce RTX 3060 Ti uses Ampere, both on 28 nm vs 8 nm. Shader units: 384 (GeForce GT 640M) vs 4,864 (GeForce RTX 3060 Ti). Raw compute: 0.48 TFLOPS (GeForce GT 640M) vs 16.2 TFLOPS (GeForce RTX 3060 Ti). Boost clocks: 645 MHz vs 1665 MHz.
| Feature | GeForce GT 640M | GeForce RTX 3060 Ti |
|---|---|---|
| G3D Mark Score | 907 | 20,312+2139% |
| Architecture | Kepler | Ampere |
| Process Node | 28 nm | 8 nm |
| Shading Units | 384 | 4864+1167% |
| Compute (TFLOPS) | 0.48 TFLOPS | 16.2 TFLOPS+3275% |
| Boost Clock | 645 MHz | 1665 MHz+158% |
| ROPs | 16 | 80+400% |
| TMUs | 32 | 152+375% |
| L1 Cache | 0.03 MB | 4.8 MB+15900% |
| L2 Cache | 0.25 MB | 4 MB+1500% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 640M | GeForce RTX 3060 Ti |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | DLSS 2.0 |
| Frame Generation | Not Supported | FSR 3 / AFMF (Compatible) |
| Ray Reconstruction | No | No |
| Low Latency | Standard | NVIDIA Reflex |
Video Memory (VRAM)
The GeForce GT 640M comes with 2 GB of VRAM, while the GeForce RTX 3060 Ti has 8 GB. The GeForce RTX 3060 Ti offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 256-bit. L2 Cache: 0.25 MB (GeForce GT 640M) vs 4 MB (GeForce RTX 3060 Ti) — the GeForce RTX 3060 Ti has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GT 640M | GeForce RTX 3060 Ti |
|---|---|---|
| VRAM Capacity | 2 GB | 8 GB+300% |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bandwidth | Unknown | 448 GB/s |
| Bus Width | 128-bit | 256-bit+100% |
| L2 Cache | 0.25 MB | 4 MB+1500% |
Display & API Support
DirectX support: 11.0 (GeForce GT 640M) vs 12 Ultimate (12_2) (GeForce RTX 3060 Ti). Vulkan: 1.1 vs 1.3. OpenGL: 4.5 vs 4.6. Maximum simultaneous displays: 1 vs 4.
| Feature | GeForce GT 640M | GeForce RTX 3060 Ti |
|---|---|---|
| DirectX | 11.0 | 12 Ultimate (12_2)+9% |
| Vulkan | 1.1 | 1.3+18% |
| OpenGL | 4.5 | 4.6+2% |
| Max Displays | 1 | 4+300% |
Media & Encoding
Hardware encoder: NVENC 1.0 (GeForce GT 640M) vs NVENC (Ampere) (GeForce RTX 3060 Ti). Decoder: PureVideo HD VP5 vs NVDEC (Ampere). Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 640M) vs H.264,H.265,VP9,AV1 (GeForce RTX 3060 Ti).
| Feature | GeForce GT 640M | GeForce RTX 3060 Ti |
|---|---|---|
| Encoder | NVENC 1.0 | NVENC (Ampere) |
| Decoder | PureVideo HD VP5 | NVDEC (Ampere) |
| Codecs | MPEG-2,H.264,VC-1,MPEG-4 ASP | H.264,H.265,VP9,AV1 |
Power & Dimensions
The GeForce GT 640M draws 32W versus the GeForce RTX 3060 Ti's 200W — a 144.8% difference. The GeForce GT 640M is more power-efficient. Recommended PSU: 350W (GeForce GT 640M) vs 600W (GeForce RTX 3060 Ti). Power connectors: PCIe-powered vs 8-pin. Card length: 0mm vs 242mm, occupying 0 vs 2 slots. Typical load temperature: 70°C vs 75.
| Feature | GeForce GT 640M | GeForce RTX 3060 Ti |
|---|---|---|
| TDP | 32W-84% | 200W |
| Recommended PSU | 350W-42% | 600W |
| Power Connector | PCIe-powered | 8-pin |
| Length | 0mm | 242mm |
| Height | 0mm | 112mm |
| Slots | 0-100% | 2 |
| Temp (Load) | 70°C-7% | 75 |
| Perf/Watt | 28.3 | 101.6+259% |
Value Analysis
The GeForce GT 640M costs 82.1% less ($230 savings) at current market prices. Performance per dollar (G3D Mark / price): 18.1 (GeForce GT 640M) vs 72.5 (GeForce RTX 3060 Ti) — the GeForce RTX 3060 Ti offers 300.6% better value. The GeForce RTX 3060 Ti is the newer GPU (2020 vs 2012).
| Feature | GeForce GT 640M | GeForce RTX 3060 Ti |
|---|---|---|
| MSRP | — | $399 |
| Avg Price (30d) | $50-82% | $280 |
| Performance per Dollar | 18.1 | 72.5+301% |
| Codename | GK107 | GA104 |
| Release | March 22 2012 | December 1 2020 |
| Ranking | #909 | #73 |
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