GeForce GTX 645 vs Intel UHD Graphics 770
GeForce GTX 645
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Intel UHD Graphics 770
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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 Intel UHD Graphics 770 is significantly newer (2022 vs 2010). The Intel UHD Graphics 770 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 Intel UHD Graphics 770 is the superior choice for raw performance. It leads with a 1.8% higher G3D Mark score. However, the GeForce GTX 645 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | GeForce GTX 645 | Intel UHD Graphics 770 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.8%) | ✅Leading raw performance (+1.8%) |
| Longevity | 🛑Obsolete Architecture (2010 / Fermi (2010−2014)) | Generation 12.2 (2022−2023) (10nm) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100+%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
While current pricing data is unavailable, the Intel UHD Graphics 770 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 GTX 645 and Intel UHD Graphics 770
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.
Intel UHD Graphics 770
The Intel UHD Graphics 770 is manufactured by Intel. It was released in September 27 2022. It features the Generation 12.2 architecture. The core clock ranges from 300 MHz to 1650 MHz. It has 256 shading units. The thermal design power (TDP) is 15W. Manufactured using 10 nm process technology. G3D Mark benchmark score: 1,914 points.
Graphics Performance
The GeForce GTX 645 scores 1,880 and the Intel UHD Graphics 770 reaches 1,914 in the G3D Mark benchmark — just a 1.8% difference, making them near-identical in rasterization performance. The GeForce GTX 645 is built on Fermi while the Intel UHD Graphics 770 uses Generation 12.2, both on 40 nm vs 10 nm. Shader units: 352 (GeForce GTX 645) vs 256 (Intel UHD Graphics 770). Raw compute: 0.8554 TFLOPS (GeForce GTX 645) vs 0.8448 TFLOPS (Intel UHD Graphics 770).
| Feature | GeForce GTX 645 | Intel UHD Graphics 770 |
|---|---|---|
| G3D Mark Score | 1,880 | 1,914+2% |
| Architecture | Fermi | Generation 12.2 |
| Process Node | 40 nm | 10 nm |
| Shading Units | 352+38% | 256 |
| Compute (TFLOPS) | 0.8554 TFLOPS+1% | 0.8448 TFLOPS |
| ROPs | 32+300% | 8 |
| TMUs | 44+175% | 16 |
Advanced Features (DLSS/FSR)
| Feature | GeForce GTX 645 | Intel UHD Graphics 770 |
|---|---|---|
| Upscaling Tech | FSR 2.1 (Compatible) | FSR 1.0 (Software) |
| Frame Generation | FSR 3 (Compatible) | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | Standard |
Video Memory (VRAM)
The GeForce GTX 645 comes with 1 GB of VRAM, while the Intel UHD Graphics 770 has 0 MB. The GeForce GTX 645 offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs System.
| Feature | GeForce GTX 645 | Intel UHD Graphics 770 |
|---|---|---|
| VRAM Capacity | 1 GB | Shared System RAM |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 128-bit | System |
Power & Dimensions
The GeForce GTX 645 draws 200W versus the Intel UHD Graphics 770's 15W — a 172.1% difference. The Intel UHD Graphics 770 is more power-efficient. Recommended PSU: 300W (GeForce GTX 645) vs 1W (Intel UHD Graphics 770). Power connectors: None vs Integrated.
| Feature | GeForce GTX 645 | Intel UHD Graphics 770 |
|---|---|---|
| TDP | 200W | 15W-93% |
| Recommended PSU | 300W | 1W-100% |
| Power Connector | None | Integrated |
| Length | 147mm | — |
| Height | 111mm | — |
| Slots | 1 | — |
| Temp (Load) | 80 | — |
| Perf/Watt | 9.4 | 127.6+1257% |
Value Analysis
The GeForce GTX 645 launched at $150 MSRP and currently averages $20, while the Intel UHD Graphics 770 launched at $0 and now averages $0. The Intel UHD Graphics 770 costs 100+% less ($20 savings) at current market prices. Performance per dollar (G3D Mark / price): 94.0 (GeForce GTX 645) vs Infinity (Intel UHD Graphics 770) — the Intel UHD Graphics 770 offers Infinity% better value. The Intel UHD Graphics 770 is the newer GPU (2022 vs 2010).
| Feature | GeForce GTX 645 | Intel UHD Graphics 770 |
|---|---|---|
| MSRP | $150 | $0-100% |
| Avg Price (30d) | $20 | $0-100% |
| Performance per Dollar | 94.0 | Infinity |
| Codename | GF100 | Raptor Lake GT1 |
| Release | May 31 2010 | September 27 2022 |
| Ranking | #618 | #644 |
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