CPU
GPU
GeForce GTX 645
Popular choices:
Radeon RX Vega 11 Ryzen 5 3350G
Popular choices:
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 Radeon RX Vega 11 Ryzen 5 3350G is significantly newer (2020 vs 2010). The Radeon RX Vega 11 Ryzen 5 3350G 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 Radeon RX Vega 11 Ryzen 5 3350G is the superior choice for raw performance. It leads with a 1% 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 | Radeon RX Vega 11 Ryzen 5 3350G |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1%) | ✅Leading raw performance (+1%) |
| Longevity | 🛑Obsolete Architecture (2010 / Fermi (2010−2014)) | Vega (2017−2020) (7nm) |
| 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 Radeon RX Vega 11 Ryzen 5 3350G 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 Radeon RX Vega 11 Ryzen 5 3350G
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.
Radeon RX Vega 11 Ryzen 5 3350G
The Radeon RX Vega 11 Ryzen 5 3350G is manufactured by AMD. It was released in January 7 2020. It features the Vega architecture. The boost clock speed is 2100 MHz. It has 512 shading units. The thermal design power (TDP) is 15W. Manufactured using 7 nm process technology. G3D Mark benchmark score: 1,898 points.
Graphics Performance
The GeForce GTX 645 scores 1,880 and the Radeon RX Vega 11 Ryzen 5 3350G reaches 1,898 in the G3D Mark benchmark — just a 1% difference, making them near-identical in rasterization performance. The GeForce GTX 645 is built on Fermi while the Radeon RX Vega 11 Ryzen 5 3350G uses Vega, both on 40 nm vs 7 nm. Shader units: 352 (GeForce GTX 645) vs 512 (Radeon RX Vega 11 Ryzen 5 3350G).
| Feature | GeForce GTX 645 | Radeon RX Vega 11 Ryzen 5 3350G |
|---|---|---|
| G3D Mark Score | 1,880 | 1,898 |
| Architecture | Fermi | Vega |
| Process Node | 40 nm | 7 nm |
| Shading Units | 352 | 512+45% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GTX 645 | Radeon RX Vega 11 Ryzen 5 3350G |
|---|---|---|
| Upscaling Tech | FSR 2.1 (Compatible) | FSR 1.0 (Software) |
| Frame Generation | FSR 3 (Compatible) | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce GTX 645 comes with 1 GB of VRAM, while the Radeon RX Vega 11 Ryzen 5 3350G 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 | Radeon RX Vega 11 Ryzen 5 3350G |
|---|---|---|
| VRAM Capacity | 1 GB | Shared System RAM |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 128-bit | System |
Display & API Support
DirectX support: 11.0 (GeForce GTX 645) vs 12 (FL12_1) (Radeon RX Vega 11 Ryzen 5 3350G). Vulkan: 1.2 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 3 vs 3.
| Feature | GeForce GTX 645 | Radeon RX Vega 11 Ryzen 5 3350G |
|---|---|---|
| DirectX | 11.0 | 12 (FL12_1)+9% |
| Vulkan | 1.2 | 1.3+8% |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 3 | 3 |
Media & Encoding
Hardware encoder: NVENC (1st Gen) (GeForce GTX 645) vs VCN 1.0 (Radeon RX Vega 11 Ryzen 5 3350G). Decoder: PureVideo VP5 vs VCN 1.0. Supported codecs: MPEG-2,VC-1,H.264,MPEG-4 (GeForce GTX 645) vs H.264,HEVC,VP9 (Radeon RX Vega 11 Ryzen 5 3350G).
| Feature | GeForce GTX 645 | Radeon RX Vega 11 Ryzen 5 3350G |
|---|---|---|
| Encoder | NVENC (1st Gen) | VCN 1.0 |
| Decoder | PureVideo VP5 | VCN 1.0 |
| Codecs | MPEG-2,VC-1,H.264,MPEG-4 | H.264,HEVC,VP9 |
Power & Dimensions
The GeForce GTX 645 draws 200W versus the Radeon RX Vega 11 Ryzen 5 3350G's 15W — a 172.1% difference. The Radeon RX Vega 11 Ryzen 5 3350G is more power-efficient. Recommended PSU: 300W (GeForce GTX 645) vs 1W (Radeon RX Vega 11 Ryzen 5 3350G). Power connectors: None vs Integrated. Typical load temperature: 80 vs 75°C.
| Feature | GeForce GTX 645 | Radeon RX Vega 11 Ryzen 5 3350G |
|---|---|---|
| TDP | 200W | 15W-93% |
| Recommended PSU | 300W | 1W-100% |
| Power Connector | None | Integrated |
| Length | 147mm | — |
| Height | 111mm | — |
| Slots | 1 | 0-100% |
| Temp (Load) | 80 | 75°C-6% |
| Perf/Watt | 9.4 | 126.5+1246% |
Value Analysis
The GeForce GTX 645 launched at $150 MSRP and currently averages $20, while the Radeon RX Vega 11 Ryzen 5 3350G launched at $0 and now averages $0. The Radeon RX Vega 11 Ryzen 5 3350G costs 100+% less ($20 savings) at current market prices. Performance per dollar (G3D Mark / price): 94.0 (GeForce GTX 645) vs Infinity (Radeon RX Vega 11 Ryzen 5 3350G) — the Radeon RX Vega 11 Ryzen 5 3350G offers Infinity% better value. The Radeon RX Vega 11 Ryzen 5 3350G is the newer GPU (2020 vs 2010).
| Feature | GeForce GTX 645 | Radeon RX Vega 11 Ryzen 5 3350G |
|---|---|---|
| MSRP | $150 | $0-100% |
| Avg Price (30d) | $20 | $0-100% |
| Performance per Dollar | 94.0 | Infinity |
| Codename | GF100 | Vega |
| Release | May 31 2010 | January 7 2020 |
| Ranking | #618 | #545 |
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