Radeon Graphics (Ryzen 7000) vs GeForce GT 645
Radeon Graphics (Ryzen 7000)
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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
Performance Per Dollar GeForce GT 645
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon Graphics (Ryzen 7000) is significantly newer (2022 vs 2012). The Radeon Graphics (Ryzen 7000) 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 GT 645 is the superior choice for raw performance. It leads with a 0.3% higher G3D Mark score and 100+% more VRAM (2 GB vs 0 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon Graphics (Ryzen 7000).
| Insight | Radeon Graphics (Ryzen 7000) | GeForce GT 645 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.3%) | ✅Leading raw performance (+0.3%) |
| Longevity | RDNA 2 (2022−2023) (6nm) | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | 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 GT 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 Graphics (Ryzen 7000) and GeForce GT 645
Radeon Graphics (Ryzen 7000)
The Radeon Graphics (Ryzen 7000) is manufactured by AMD. It was released in September 26 2022. It features the RDNA 2 architecture. The boost clock speed is 2200 MHz. It has 128 shading units. The thermal design power (TDP) is 15W. Manufactured using 6 nm process technology. G3D Mark benchmark score: 2,000 points.
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
The Radeon Graphics (Ryzen 7000) scores 2,000 and the GeForce GT 645 reaches 2,006 in the G3D Mark benchmark — just a 0.3% difference, making them near-identical in rasterization performance. The Radeon Graphics (Ryzen 7000) is built on RDNA 2 while the GeForce GT 645 uses Kepler, both on 6 nm vs 28 nm. Shader units: 128 (Radeon Graphics (Ryzen 7000)) vs 384 (GeForce GT 645).
| Feature | Radeon Graphics (Ryzen 7000) | GeForce GT 645 |
|---|---|---|
| G3D Mark Score | 2,000 | 2,006 |
| Architecture | RDNA 2 | Kepler |
| Process Node | 6 nm | 28 nm |
| Shading Units | 128 | 384+200% |
Advanced Features (DLSS/FSR)
| Feature | Radeon Graphics (Ryzen 7000) | GeForce GT 645 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | Standard |
Video Memory (VRAM)
The Radeon Graphics (Ryzen 7000) comes with 0 MB of VRAM, while the GeForce GT 645 has 2 GB. The GeForce GT 645 offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs 128-bit.
| Feature | Radeon Graphics (Ryzen 7000) | GeForce GT 645 |
|---|---|---|
| VRAM Capacity | Shared System RAM | 2 GB |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | Unknown |
| Bus Width | System | 128-bit |
Power & Dimensions
The Radeon Graphics (Ryzen 7000) draws 15W versus the GeForce GT 645's 32W — a 72.3% difference. The Radeon Graphics (Ryzen 7000) is more power-efficient. Recommended PSU: 1W (Radeon Graphics (Ryzen 7000)) vs 350W (GeForce GT 645). Power connectors: Integrated vs PCIe-powered.
| Feature | Radeon Graphics (Ryzen 7000) | GeForce GT 645 |
|---|---|---|
| TDP | 15W-53% | 32W |
| Recommended PSU | 1W-100% | 350W |
| Power Connector | Integrated | PCIe-powered |
| Length | — | 145mm |
| Height | — | 111mm |
| Slots | — | 1 |
| Temp (Load) | — | 80 |
| Perf/Watt | 133.3+113% | 62.7 |
Value Analysis
The Radeon Graphics (Ryzen 7000) launched at $0 MSRP and currently averages $0, while the GeForce GT 645 launched at $99 and now averages $15. The Radeon Graphics (Ryzen 7000) costs 100+% less ($15 savings) at current market prices. Performance per dollar (G3D Mark / price): Infinity (Radeon Graphics (Ryzen 7000)) vs 133.7 (GeForce GT 645) — the Radeon Graphics (Ryzen 7000) offers Infinity% better value. The Radeon Graphics (Ryzen 7000) is the newer GPU (2022 vs 2012).
| Feature | Radeon Graphics (Ryzen 7000) | GeForce GT 645 |
|---|---|---|
| MSRP | $0-100% | $99 |
| Avg Price (30d) | $0-100% | $15 |
| Performance per Dollar | Infinity | 133.7 |
| Codename | Raphael | GK107 |
| Release | September 26 2022 | October 1 2012 |
| Ranking | #729 | #903 |
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