GeForce GTX 645 vs GeForce RTX 2060
GeForce GTX 645
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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. 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
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The GeForce RTX 2060 is significantly newer (2019 vs 2010). 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 GTX 645 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 650.7% higher G3D Mark score and 500% more VRAM (6 GB vs 1 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GTX 645.
| Insight | GeForce GTX 645 | GeForce RTX 2060 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-650.7%) | ✅Leading raw performance (+650.7%) |
| Longevity | 🛑Obsolete Architecture (2010 / Fermi (2010−2014)) | 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 | 📏 Compact / SFF Friendly |
💎 Value Proposition
The GeForce RTX 2060 offers a compelling cost-to-performance ratio. Although it costs $120 (vs $20), its significant performance lead justifies the premium, offering 25.1% better value per dollar than the GeForce GTX 645.
| Insight | GeForce GTX 645 | GeForce RTX 2060 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+25.1%) |
| Upfront Cost | ✅More affordable ($20) | ⚠️Higher upfront cost ($120) |
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 GTX 645 and GeForce RTX 2060
GeForce GTX 645
The GeForce GTX 645 is manufactured by NVIDIA. It was released in May 31 2010. It features the Fermi architecture. The core clock speed is 607 MHz. It has 352 shading units. The thermal design power (TDP) is 200W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 1,880 points. Launch price was $279.
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 GTX 645 scores 1,880 versus the GeForce RTX 2060's 14,114 — the GeForce RTX 2060 leads by 650.7%. The GeForce GTX 645 is built on Fermi while the GeForce RTX 2060 uses Turing, both on 40 nm vs 12 nm. Shader units: 352 (GeForce GTX 645) vs 1,920 (GeForce RTX 2060). Raw compute: 0.8554 TFLOPS (GeForce GTX 645) vs 6.451 TFLOPS (GeForce RTX 2060).
| Feature | GeForce GTX 645 | GeForce RTX 2060 |
|---|---|---|
| G3D Mark Score | 1,880 | 14,114+651% |
| Architecture | Fermi | Turing |
| Process Node | 40 nm | 12 nm |
| Shading Units | 352 | 1920+445% |
| Compute (TFLOPS) | 0.8554 TFLOPS | 6.451 TFLOPS+654% |
| ROPs | 32 | 48+50% |
| TMUs | 44 | 120+173% |
| L1 Cache | 0.69 MB | 1.9 MB+175% |
| L2 Cache | 0.5 MB | 3 MB+500% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GTX 645 | GeForce RTX 2060 |
|---|---|---|
| Upscaling Tech | FSR 2.1 (Compatible) | DLSS 2.0 |
| Frame Generation | FSR 3 (Compatible) | FSR 3 / AFMF (Compatible) |
| Ray Reconstruction | No | No |
| Low Latency | Standard | NVIDIA Reflex |
Video Memory (VRAM)
The GeForce GTX 645 comes with 1 GB of VRAM, while the GeForce RTX 2060 has 6 GB. The GeForce RTX 2060 offers 500% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 192-bit. L2 Cache: 0.5 MB (GeForce GTX 645) vs 3 MB (GeForce RTX 2060) — the GeForce RTX 2060 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GTX 645 | GeForce RTX 2060 |
|---|---|---|
| VRAM Capacity | 1 GB | 6 GB+500% |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bandwidth | Unknown | 336 GB/s |
| Bus Width | 128-bit | 192-bit+50% |
| L2 Cache | 0.5 MB | 3 MB+500% |
Display & API Support
DirectX support: 11.0 (GeForce GTX 645) vs 12 Ultimate (12_2) (GeForce RTX 2060). Vulkan: 1.2 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 3 vs 4.
| Feature | GeForce GTX 645 | GeForce RTX 2060 |
|---|---|---|
| DirectX | 11.0 | 12 Ultimate (12_2)+9% |
| Vulkan | 1.2 | 1.3+8% |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 3 | 4+33% |
Media & Encoding
Hardware encoder: NVENC (1st Gen) (GeForce GTX 645) vs NVENC (Turing) (GeForce RTX 2060). Decoder: PureVideo VP5 vs NVDEC (Turing). Supported codecs: MPEG-2,VC-1,H.264,MPEG-4 (GeForce GTX 645) vs H.264,H.265,VP9,VP8,MPEG-2,VC-1 (GeForce RTX 2060).
| Feature | GeForce GTX 645 | GeForce RTX 2060 |
|---|---|---|
| Encoder | NVENC (1st Gen) | NVENC (Turing) |
| Decoder | PureVideo VP5 | NVDEC (Turing) |
| Codecs | MPEG-2,VC-1,H.264,MPEG-4 | H.264,H.265,VP9,VP8,MPEG-2,VC-1 |
Power & Dimensions
The GeForce GTX 645 draws 200W versus the GeForce RTX 2060's 160W — a 22.2% difference. The GeForce RTX 2060 is more power-efficient. Recommended PSU: 300W (GeForce GTX 645) vs 500W (GeForce RTX 2060). Power connectors: None vs 8-pin. Card length: 147mm vs 229mm, occupying 1 vs 2 slots. Typical load temperature: 80 vs 72.
| Feature | GeForce GTX 645 | GeForce RTX 2060 |
|---|---|---|
| TDP | 200W | 160W-20% |
| Recommended PSU | 300W-40% | 500W |
| Power Connector | None | 8-pin |
| Length | 147mm | 229mm |
| Height | 111mm | 113mm |
| Slots | 1-50% | 2 |
| Temp (Load) | 80 | 72-10% |
| Perf/Watt | 9.4 | 88.2+838% |
Value Analysis
The GeForce GTX 645 launched at $150 MSRP and currently averages $20, while the GeForce RTX 2060 launched at $349 and now averages $120. The GeForce GTX 645 costs 83.3% less ($100 savings) at current market prices. Performance per dollar (G3D Mark / price): 94.0 (GeForce GTX 645) vs 117.6 (GeForce RTX 2060) — the GeForce RTX 2060 offers 25.1% better value. The GeForce RTX 2060 is the newer GPU (2019 vs 2010).
| Feature | GeForce GTX 645 | GeForce RTX 2060 |
|---|---|---|
| MSRP | $150-57% | $349 |
| Avg Price (30d) | $20-83% | $120 |
| Performance per Dollar | 94.0 | 117.6+25% |
| Codename | GF100 | TU106 |
| Release | May 31 2010 | January 7 2019 |
| Ranking | #618 | #168 |
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