Radeon RX Vega 11 Ryzen 7 3750H vs GeForce GTX 645
Radeon RX Vega 11 Ryzen 7 3750H
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GeForce GTX 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
Performance Per Dollar
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon RX Vega 11 Ryzen 7 3750H is significantly newer (2020 vs 2010). The Radeon RX Vega 11 Ryzen 7 3750H 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 GTX 645 is the superior choice for raw performance. It leads with a 1.3% higher G3D Mark score and 100+% more VRAM (1 GB vs 0 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon RX Vega 11 Ryzen 7 3750H.
| Insight | Radeon RX Vega 11 Ryzen 7 3750H | GeForce GTX 645 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.3%) | ✅Leading raw performance (+1.3%) |
| Longevity | 🏆Elite Architecture (Vega (2017−2020) / 7nm) | 🛑Obsolete Architecture (2010 / Fermi (2010−2014)) |
| Ecosystem | ✨ FSR 3 / AFMF Support | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100+%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
While current pricing data is unavailable, the GeForce GTX 645 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 Radeon RX Vega 11 Ryzen 7 3750H and GeForce GTX 645
Radeon RX Vega 11 Ryzen 7 3750H
The Radeon RX Vega 11 Ryzen 7 3750H 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: 1,856 points.
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.
Graphics Performance
The Radeon RX Vega 11 Ryzen 7 3750H scores 1,856 and the GeForce GTX 645 reaches 1,880 in the G3D Mark benchmark — just a 1.3% difference, making them near-identical in rasterization performance. The Radeon RX Vega 11 Ryzen 7 3750H is built on Vega while the GeForce GTX 645 uses Fermi, both on 7 nm vs 40 nm. Shader units: 512 (Radeon RX Vega 11 Ryzen 7 3750H) vs 352 (GeForce GTX 645).
| Feature | Radeon RX Vega 11 Ryzen 7 3750H | GeForce GTX 645 |
|---|---|---|
| G3D Mark Score | 1,856 | 1,880+1% |
| Architecture | Vega | Fermi |
| Process Node | 7 nm | 40 nm |
| Shading Units | 512+45% | 352 |
Advanced Features (DLSS/FSR)
| Feature | Radeon RX Vega 11 Ryzen 7 3750H | GeForce GTX 645 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 2.1 (Compatible) |
| Frame Generation | Not Supported | FSR 3 (Compatible) |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | Standard |
Video Memory (VRAM)
The Radeon RX Vega 11 Ryzen 7 3750H comes with 0 MB of VRAM, while the GeForce GTX 645 has 1 GB. The GeForce GTX 645 offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs 128-bit.
| Feature | Radeon RX Vega 11 Ryzen 7 3750H | GeForce GTX 645 |
|---|---|---|
| VRAM Capacity | Shared System RAM | 1 GB |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | Unknown |
| Bus Width | System | 128-bit |
Display & API Support
DirectX support: 12 (12_1) (Radeon RX Vega 11 Ryzen 7 3750H) vs 11.0 (GeForce GTX 645). Vulkan: 1.3 vs 1.2. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 3 vs 3.
| Feature | Radeon RX Vega 11 Ryzen 7 3750H | GeForce GTX 645 |
|---|---|---|
| DirectX | 12 (12_1)+9% | 11.0 |
| Vulkan | 1.3+8% | 1.2 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 3 | 3 |
Media & Encoding
Hardware encoder: VCE 4.0 (Radeon RX Vega 11 Ryzen 7 3750H) vs NVENC (1st Gen) (GeForce GTX 645). Decoder: UVD 7.0 vs PureVideo VP5. Supported codecs: H.264,H.265,VP9 (Radeon RX Vega 11 Ryzen 7 3750H) vs MPEG-2,VC-1,H.264,MPEG-4 (GeForce GTX 645).
| Feature | Radeon RX Vega 11 Ryzen 7 3750H | GeForce GTX 645 |
|---|---|---|
| Encoder | VCE 4.0 | NVENC (1st Gen) |
| Decoder | UVD 7.0 | PureVideo VP5 |
| Codecs | H.264,H.265,VP9 | MPEG-2,VC-1,H.264,MPEG-4 |
Power & Dimensions
The Radeon RX Vega 11 Ryzen 7 3750H draws 15W versus the GeForce GTX 645's 200W — a 172.1% difference. The Radeon RX Vega 11 Ryzen 7 3750H is more power-efficient. Recommended PSU: 1W (Radeon RX Vega 11 Ryzen 7 3750H) vs 300W (GeForce GTX 645). Power connectors: Integrated vs None. Typical load temperature: 75 vs 80.
| Feature | Radeon RX Vega 11 Ryzen 7 3750H | GeForce GTX 645 |
|---|---|---|
| TDP | 15W-93% | 200W |
| Recommended PSU | 1W-100% | 300W |
| Power Connector | Integrated | None |
| Length | — | 147mm |
| Height | — | 111mm |
| Slots | 0-100% | 1 |
| Temp (Load) | 75-6% | 80 |
| Perf/Watt | 123.7+1216% | 9.4 |
Value Analysis
The Radeon RX Vega 11 Ryzen 7 3750H launched at $0 MSRP and currently averages $0, while the GeForce GTX 645 launched at $150 and now averages $20. The Radeon RX Vega 11 Ryzen 7 3750H costs 100+% less ($20 savings) at current market prices. Performance per dollar (G3D Mark / price): Infinity (Radeon RX Vega 11 Ryzen 7 3750H) vs 94.0 (GeForce GTX 645) — the Radeon RX Vega 11 Ryzen 7 3750H offers Infinity% better value. The Radeon RX Vega 11 Ryzen 7 3750H is the newer GPU (2020 vs 2010).
| Feature | Radeon RX Vega 11 Ryzen 7 3750H | GeForce GTX 645 |
|---|---|---|
| MSRP | $0-100% | $150 |
| Avg Price (30d) | $0-100% | $20 |
| Performance per Dollar | Infinity | 94.0 |
| Codename | Vega | GF100 |
| Release | January 7 2020 | May 31 2010 |
| Ranking | #545 | #618 |
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