
GeForce RTX 4060 Ti vs GeForce GT 645

GeForce RTX 4060 Ti
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GeForce GT 645
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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 GeForce RTX 4060 Ti
Performance Per Dollar GeForce GT 645
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The GeForce RTX 4060 Ti is significantly newer (2023 vs 2012). The GeForce RTX 4060 Ti likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce GT 645 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The GeForce RTX 4060 Ti is the superior choice for raw performance. It leads with a 1029.2% 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 645.
| Insight | GeForce RTX 4060 Ti | GeForce GT 645 |
|---|---|---|
| Performance | ✅Leading raw performance (+1029.2%) | ❌Lower raw frame rates (-1029.2%) |
| Longevity | 🏆Elite Architecture (Ada Lovelace (2022−2024) / 5nm) | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) |
| Ecosystem | ✨ DLSS 3/4 + Frame Gen Support | Supports FSR Upscaling |
| VRAM | 🎮 High Capacity (8 GB) | ❌ Less VRAM capacity |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | 📏 Compact / SFF Friendly | 📏 Compact / SFF Friendly |
💎 Value Proposition
The GeForce GT 645 offers a compelling cost-to-performance ratio. Priced at $15 versus $380 for the GeForce RTX 4060 Ti, it costs 96% less. While it maintains basic entry-level capabilities, this results in a 124.4% higher cost efficiency score.
| Insight | GeForce RTX 4060 Ti | GeForce GT 645 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+124.4%) |
| Upfront Cost | ⚠️Higher upfront cost ($380) | ✅More affordable ($15) |
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 RTX 4060 Ti and GeForce GT 645

GeForce RTX 4060 Ti
The GeForce RTX 4060 Ti is manufactured by NVIDIA. It was released in May 18 2023. It features the Ada Lovelace architecture. The core clock ranges from 2310 MHz to 2535 MHz. It has 4352 shading units. The thermal design power (TDP) is 160W. Manufactured using 5 nm process technology. It features 34 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 22,651 points. Launch price was $399.

GeForce GT 645
The GeForce GT 645 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: 2,006 points.
Graphics Performance
In G3D Mark, the GeForce RTX 4060 Ti scores 22,651 versus the GeForce GT 645's 2,006 — the GeForce RTX 4060 Ti leads by 1029.2%. The GeForce RTX 4060 Ti is built on Ada Lovelace while the GeForce GT 645 uses Kepler, both on 5 nm vs 28 nm. Shader units: 4,352 (GeForce RTX 4060 Ti) vs 384 (GeForce GT 645). Raw compute: 22.06 TFLOPS (GeForce RTX 4060 Ti) vs 0.5445 TFLOPS (GeForce GT 645).
| Feature | GeForce RTX 4060 Ti | GeForce GT 645 |
|---|---|---|
| G3D Mark Score | 22,651+1029% | 2,006 |
| Architecture | Ada Lovelace | Kepler |
| Process Node | 5 nm | 28 nm |
| Shading Units | 4352+1033% | 384 |
| Compute (TFLOPS) | 22.06 TFLOPS+3951% | 0.5445 TFLOPS |
| ROPs | 48+200% | 16 |
| TMUs | 136+325% | 32 |
| L1 Cache | 4.3 MB+14233% | 0.03 MB |
| L2 Cache | 32 MB+12700% | 0.25 MB |
Advanced Features (DLSS/FSR)
A critical advantage for the GeForce RTX 4060 Ti is support for DLSS 3 Frame Gen. This allows it to generate entire frames using AI/Algorithms, essentially doubling the frame rate in CPU-bound scenarios or heavy ray-tracing titles. The GeForce GT 645 lacks specific hardware/driver support for this native frame generation tier.The GeForce RTX 4060 Ti gives access to NVIDIA DLSS (Deep Learning Super Sampling), widely regarding as the superior upscaling method for image quality. The GeForce GT 645 relies on FSR (FidelityFX Super Resolution), which is capable but generally slightly noisier than DLSS in motion.
| Feature | GeForce RTX 4060 Ti | GeForce GT 645 |
|---|---|---|
| Upscaling Tech | DLSS 3.5 | FSR 1.0 (Software) |
| Frame Generation | DLSS 3.0 (Native) | Not Supported |
| Ray Reconstruction | Yes (DLSS 3.5) | No |
| Low Latency | NVIDIA Reflex | Standard |
Video Memory (VRAM)
The GeForce RTX 4060 Ti comes with 8 GB of VRAM, while the GeForce GT 645 has 2 GB. The GeForce RTX 4060 Ti offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 32 MB (GeForce RTX 4060 Ti) vs 0.25 MB (GeForce GT 645) — the GeForce RTX 4060 Ti has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce RTX 4060 Ti | GeForce GT 645 |
|---|---|---|
| VRAM Capacity | 8 GB+300% | 2 GB |
| Memory Type | GDDR6 | GDDR5 |
| Memory Bandwidth | 288 GB/s | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 32 MB+12700% | 0.25 MB |
Display & API Support
DirectX support: 12.2 (GeForce RTX 4060 Ti) vs 12 (11_0) (GeForce GT 645). Vulkan: 1.3 vs 1.2. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 3.
| Feature | GeForce RTX 4060 Ti | GeForce GT 645 |
|---|---|---|
| DirectX | 12.2+2% | 12 (11_0) |
| Vulkan | 1.3+8% | 1.2 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4+33% | 3 |
Media & Encoding
Hardware encoder: 8th Gen NVENC (GeForce RTX 4060 Ti) vs NVENC (1st Gen) (GeForce GT 645). Decoder: 5th Gen NVDEC vs NVDEC (1st Gen). Supported codecs: MPEG-2,H.264,HEVC,VP9,AV1 (GeForce RTX 4060 Ti) vs H.264,MPEG-2,VC-1 (GeForce GT 645).
| Feature | GeForce RTX 4060 Ti | GeForce GT 645 |
|---|---|---|
| Encoder | 8th Gen NVENC | NVENC (1st Gen) |
| Decoder | 5th Gen NVDEC | NVDEC (1st Gen) |
| Codecs | MPEG-2,H.264,HEVC,VP9,AV1 | H.264,MPEG-2,VC-1 |
Power & Dimensions
The GeForce RTX 4060 Ti draws 160W versus the GeForce GT 645's 32W — a 133.3% difference. The GeForce GT 645 is more power-efficient. Recommended PSU: 550W (GeForce RTX 4060 Ti) vs 350W (GeForce GT 645). Power connectors: 8-pin vs PCIe-powered. Card length: 240mm vs 145mm, occupying 2 vs 1 slots. Typical load temperature: 70°C vs 80.
| Feature | GeForce RTX 4060 Ti | GeForce GT 645 |
|---|---|---|
| TDP | 160W | 32W-80% |
| Recommended PSU | 550W | 350W-36% |
| Power Connector | 8-pin | PCIe-powered |
| Length | 240mm | 145mm |
| Height | 111mm | 111mm |
| Slots | 2 | 1-50% |
| Temp (Load) | 70°C-13% | 80 |
| Perf/Watt | 141.6+126% | 62.7 |
Value Analysis
The GeForce RTX 4060 Ti launched at $399 MSRP and currently averages $380, while the GeForce GT 645 launched at $99 and now averages $15. The GeForce GT 645 costs 96.1% less ($365 savings) at current market prices. Performance per dollar (G3D Mark / price): 59.6 (GeForce RTX 4060 Ti) vs 133.7 (GeForce GT 645) — the GeForce GT 645 offers 124.3% better value. The GeForce RTX 4060 Ti is the newer GPU (2023 vs 2012).
| Feature | GeForce RTX 4060 Ti | GeForce GT 645 |
|---|---|---|
| MSRP | $399 | $99-75% |
| Avg Price (30d) | $380 | $15-96% |
| Performance per Dollar | 59.6 | 133.7+124% |
| Codename | AD106 | GK107 |
| Release | May 18 2023 | October 1 2012 |
| Ranking | #59 | #903 |
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