GeForce GT 645M vs GeForce RTX 2060
GeForce GT 645M
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GeForce RTX 2060
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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 645M is positioned at rank #80 in our cost-efficiency ranking, representing a Balanced 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 645M
Performance Per Dollar
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The GeForce RTX 2060 is significantly newer (2019 vs 2012). The GeForce RTX 2060 likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce GT 645M lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The GeForce RTX 2060 is the superior choice for raw performance. It leads with a 1393.5% higher G3D Mark score and 200% more VRAM (6 GB vs 2 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GT 645M.
| Insight | GeForce GT 645M | GeForce RTX 2060 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1393.5%) | ✅Leading raw performance (+1393.5%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | Turing (2018−2022) (12nm) |
| Ecosystem | Supports FSR Upscaling | ✨ DLSS 2 Upscaling |
| VRAM | ❌ Less VRAM capacity | 🎮 High Capacity (6 GB) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
While current pricing data is unavailable, the GeForce RTX 2060 remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.
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 645M and GeForce RTX 2060
GeForce GT 645M
The GeForce GT 645M is manufactured by NVIDIA. It was released in October 1 2012. It features the Kepler architecture. The core clock speed is Up to 710 MHz. It has 384 shading units. The thermal design power (TDP) is 32W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 945 points.
GeForce RTX 2060
The GeForce RTX 2060 is manufactured by NVIDIA. It was released in January 7 2019. It features the Turing architecture. The core clock ranges from 1365 MHz to 1680 MHz. It has 1920 shading units. The thermal design power (TDP) is 160W. Manufactured using 12 nm process technology. It features 30 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 14,114 points. Launch price was $349.
Graphics Performance
In G3D Mark, the GeForce GT 645M scores 945 versus the GeForce RTX 2060's 14,114 — the GeForce RTX 2060 leads by 1393.5%. The GeForce GT 645M is built on Kepler while the GeForce RTX 2060 uses Turing, both on 28 nm vs 12 nm. Shader units: 384 (GeForce GT 645M) vs 1,920 (GeForce RTX 2060). Raw compute: 0.5445 TFLOPS (GeForce GT 645M) vs 6.451 TFLOPS (GeForce RTX 2060).
| Feature | GeForce GT 645M | GeForce RTX 2060 |
|---|---|---|
| G3D Mark Score | 945 | 14,114+1394% |
| Architecture | Kepler | Turing |
| Process Node | 28 nm | 12 nm |
| Shading Units | 384 | 1920+400% |
| Compute (TFLOPS) | 0.5445 TFLOPS | 6.451 TFLOPS+1085% |
| ROPs | 16 | 48+200% |
| TMUs | 32 | 120+275% |
| L1 Cache | 0.03 MB | 1.9 MB+6233% |
| L2 Cache | 0.25 MB | 3 MB+1100% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 645M | GeForce RTX 2060 |
|---|---|---|
| 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 645M comes with 2 GB of VRAM, while the GeForce RTX 2060 has 6 GB. The GeForce RTX 2060 offers 200% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 192-bit. L2 Cache: 0.25 MB (GeForce GT 645M) vs 3 MB (GeForce RTX 2060) — the GeForce RTX 2060 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GT 645M | GeForce RTX 2060 |
|---|---|---|
| VRAM Capacity | 2 GB | 6 GB+200% |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bandwidth | Unknown | 336 GB/s |
| Bus Width | 128-bit | 192-bit+50% |
| L2 Cache | 0.25 MB | 3 MB+1100% |
Display & API Support
DirectX support: 11.0 (GeForce GT 645M) vs 12 Ultimate (12_2) (GeForce RTX 2060). Vulkan: 1.1 vs 1.3. OpenGL: 4.5 vs 4.6. Maximum simultaneous displays: 1 vs 4.
| Feature | GeForce GT 645M | GeForce RTX 2060 |
|---|---|---|
| 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 645M) vs NVENC (Turing) (GeForce RTX 2060). Decoder: PureVideo HD VP5 vs NVDEC (Turing). Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 645M) vs H.264,H.265,VP9,VP8,MPEG-2,VC-1 (GeForce RTX 2060).
| Feature | GeForce GT 645M | GeForce RTX 2060 |
|---|---|---|
| Encoder | NVENC 1.0 | NVENC (Turing) |
| Decoder | PureVideo HD VP5 | NVDEC (Turing) |
| Codecs | MPEG-2,H.264,VC-1,MPEG-4 ASP | H.264,H.265,VP9,VP8,MPEG-2,VC-1 |
Power & Dimensions
The GeForce GT 645M draws 32W versus the GeForce RTX 2060's 160W — a 133.3% difference. The GeForce GT 645M is more power-efficient. Recommended PSU: 350W (GeForce GT 645M) vs 500W (GeForce RTX 2060). Power connectors: PCIe-powered vs 8-pin. Card length: 0mm vs 229mm, occupying 0 vs 2 slots. Typical load temperature: 70°C vs 72.
| Feature | GeForce GT 645M | GeForce RTX 2060 |
|---|---|---|
| TDP | 32W-80% | 160W |
| Recommended PSU | 350W-30% | 500W |
| Power Connector | PCIe-powered | 8-pin |
| Length | 0mm | 229mm |
| Height | 0mm | 113mm |
| Slots | 0-100% | 2 |
| Temp (Load) | 70°C-3% | 72 |
| Perf/Watt | 29.5 | 88.2+199% |
Value Analysis
The GeForce RTX 2060 is the newer GPU (2019 vs 2012).
| Feature | GeForce GT 645M | GeForce RTX 2060 |
|---|---|---|
| MSRP | — | $349 |
| Avg Price (30d) | — | $120 |
| Codename | GK107 | TU106 |
| Release | October 1 2012 | January 7 2019 |
| Ranking | #903 | #168 |
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